mirror of https://github.com/status-im/consul.git
2028 lines
49 KiB
Go
2028 lines
49 KiB
Go
package agent
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"os"
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"path/filepath"
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"reflect"
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"strings"
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"sync/atomic"
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"testing"
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"time"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/consul"
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"github.com/hashicorp/consul/consul/structs"
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"github.com/hashicorp/consul/logger"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/consul/types"
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"github.com/hashicorp/consul/version"
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"github.com/hashicorp/go-uuid"
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"github.com/hashicorp/raft"
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)
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const (
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basePortNumber = 10000
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portOffsetDNS = iota
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portOffsetHTTP
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portOffsetSerfLan
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portOffsetSerfWan
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portOffsetServer
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// Must be last in list
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numPortsPerIndex
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)
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func init() {
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version.Version = "0.8.0"
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}
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var offset uint64 = basePortNumber
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func nextConfig() *Config {
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idx := int(atomic.AddUint64(&offset, numPortsPerIndex))
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conf := DefaultConfig()
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nodeID, err := uuid.GenerateUUID()
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if err != nil {
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panic(err)
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}
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conf.Version = version.Version
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conf.VersionPrerelease = "c.d"
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conf.AdvertiseAddr = "127.0.0.1"
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conf.Bootstrap = true
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conf.Datacenter = "dc1"
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conf.NodeName = fmt.Sprintf("Node %d", idx)
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conf.NodeID = types.NodeID(nodeID)
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conf.BindAddr = "127.0.0.1"
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conf.Ports.DNS = basePortNumber + idx + portOffsetDNS
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conf.Ports.HTTP = basePortNumber + idx + portOffsetHTTP
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conf.Ports.SerfLan = basePortNumber + idx + portOffsetSerfLan
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conf.Ports.SerfWan = basePortNumber + idx + portOffsetSerfWan
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conf.Ports.Server = basePortNumber + idx + portOffsetServer
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conf.Server = true
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conf.ACLEnforceVersion8 = Bool(false)
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conf.ACLDatacenter = "dc1"
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conf.ACLMasterToken = "root"
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cons := consul.DefaultConfig()
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conf.ConsulConfig = cons
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cons.SerfLANConfig.MemberlistConfig.SuspicionMult = 3
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cons.SerfLANConfig.MemberlistConfig.ProbeTimeout = 100 * time.Millisecond
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cons.SerfLANConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
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cons.SerfLANConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
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cons.SerfWANConfig.MemberlistConfig.SuspicionMult = 3
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cons.SerfWANConfig.MemberlistConfig.ProbeTimeout = 100 * time.Millisecond
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cons.SerfWANConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
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cons.SerfWANConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
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cons.RaftConfig.LeaderLeaseTimeout = 20 * time.Millisecond
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cons.RaftConfig.HeartbeatTimeout = 40 * time.Millisecond
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cons.RaftConfig.ElectionTimeout = 40 * time.Millisecond
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cons.CoordinateUpdatePeriod = 100 * time.Millisecond
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return conf
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}
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func makeAgentLog(t *testing.T, conf *Config, l io.Writer, writer *logger.LogWriter) (string, *Agent) {
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dir, err := ioutil.TempDir("", "agent")
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if err != nil {
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t.Fatalf(fmt.Sprintf("err: %v", err))
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}
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conf.DataDir = dir
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agent, err := Create(conf, l, writer, nil)
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if err != nil {
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os.RemoveAll(dir)
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t.Fatalf(fmt.Sprintf("err: %v", err))
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}
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return dir, agent
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}
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func makeAgentKeyring(t *testing.T, conf *Config, key string) (string, *Agent) {
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dir, err := ioutil.TempDir("", "agent")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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conf.DataDir = dir
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fileLAN := filepath.Join(dir, serfLANKeyring)
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if err := initKeyring(fileLAN, key); err != nil {
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t.Fatalf("err: %s", err)
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}
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fileWAN := filepath.Join(dir, serfWANKeyring)
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if err := initKeyring(fileWAN, key); err != nil {
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t.Fatalf("err: %s", err)
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}
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agent, err := Create(conf, nil, nil, nil)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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return dir, agent
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}
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func makeAgent(t *testing.T, conf *Config) (string, *Agent) {
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return makeAgentLog(t, conf, nil, nil)
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}
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func externalIP() (string, error) {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return "", fmt.Errorf("Unable to lookup network interfaces: %v", err)
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}
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for _, a := range addrs {
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if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To4() != nil {
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return ipnet.IP.String(), nil
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}
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}
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}
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return "", fmt.Errorf("Unable to find a non-loopback interface")
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}
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func TestAgentStartStop(t *testing.T) {
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t.Parallel()
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dir, agent := makeAgent(t, nextConfig())
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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if err := agent.Leave(); err != nil {
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t.Fatalf("err: %v", err)
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}
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if err := agent.Shutdown(); err != nil {
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t.Fatalf("err: %v", err)
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}
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select {
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case <-agent.ShutdownCh():
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default:
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t.Fatalf("should be closed")
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}
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}
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func TestAgent_RPCPing(t *testing.T) {
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t.Parallel()
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dir, agent := makeAgent(t, nextConfig())
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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var out struct{}
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if err := agent.RPC("Status.Ping", struct{}{}, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestAgent_CheckSerfBindAddrsSettings(t *testing.T) {
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t.Parallel()
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c := nextConfig()
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ip, err := externalIP()
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if err != nil {
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t.Fatalf("Unable to get a non-loopback IP: %v", err)
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}
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c.SerfLanBindAddr = ip
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c.SerfWanBindAddr = ip
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dir, agent := makeAgent(t, c)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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serfWanBind := agent.consulConfig().SerfWANConfig.MemberlistConfig.BindAddr
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if serfWanBind != ip {
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t.Fatalf("SerfWanBindAddr is should be a non-loopback IP not %s", serfWanBind)
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}
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serfLanBind := agent.consulConfig().SerfLANConfig.MemberlistConfig.BindAddr
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if serfLanBind != ip {
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t.Fatalf("SerfLanBindAddr is should be a non-loopback IP not %s", serfWanBind)
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}
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}
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func TestAgent_CheckAdvertiseAddrsSettings(t *testing.T) {
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t.Parallel()
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c := nextConfig()
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c.AdvertiseAddrs.SerfLan, _ = net.ResolveTCPAddr("tcp", "127.0.0.42:1233")
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c.AdvertiseAddrs.SerfWan, _ = net.ResolveTCPAddr("tcp", "127.0.0.43:1234")
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c.AdvertiseAddrs.RPC, _ = net.ResolveTCPAddr("tcp", "127.0.0.44:1235")
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dir, agent := makeAgent(t, c)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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serfLanAddr := agent.consulConfig().SerfLANConfig.MemberlistConfig.AdvertiseAddr
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if serfLanAddr != "127.0.0.42" {
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t.Fatalf("SerfLan is not properly set to '127.0.0.42': %s", serfLanAddr)
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}
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serfLanPort := agent.consulConfig().SerfLANConfig.MemberlistConfig.AdvertisePort
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if serfLanPort != 1233 {
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t.Fatalf("SerfLan is not properly set to '1233': %d", serfLanPort)
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}
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serfWanAddr := agent.consulConfig().SerfWANConfig.MemberlistConfig.AdvertiseAddr
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if serfWanAddr != "127.0.0.43" {
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t.Fatalf("SerfWan is not properly set to '127.0.0.43': %s", serfWanAddr)
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}
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serfWanPort := agent.consulConfig().SerfWANConfig.MemberlistConfig.AdvertisePort
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if serfWanPort != 1234 {
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t.Fatalf("SerfWan is not properly set to '1234': %d", serfWanPort)
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}
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rpc := agent.consulConfig().RPCAdvertise
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if rpc != c.AdvertiseAddrs.RPC {
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t.Fatalf("RPC is not properly set to %v: %s", c.AdvertiseAddrs.RPC, rpc)
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}
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expected := map[string]string{
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"lan": agent.config.AdvertiseAddr,
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"wan": agent.config.AdvertiseAddrWan,
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}
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if !reflect.DeepEqual(agent.config.TaggedAddresses, expected) {
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t.Fatalf("Tagged addresses not set up properly: %v", agent.config.TaggedAddresses)
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}
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}
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func TestAgent_CheckPerformanceSettings(t *testing.T) {
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t.Parallel()
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// Try a default config.
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{
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c := nextConfig()
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c.ConsulConfig = nil
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dir, agent := makeAgent(t, c)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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raftMult := time.Duration(consul.DefaultRaftMultiplier)
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r := agent.consulConfig().RaftConfig
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def := raft.DefaultConfig()
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if r.HeartbeatTimeout != raftMult*def.HeartbeatTimeout ||
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r.ElectionTimeout != raftMult*def.ElectionTimeout ||
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r.LeaderLeaseTimeout != raftMult*def.LeaderLeaseTimeout {
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t.Fatalf("bad: %#v", *r)
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}
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}
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// Try a multiplier.
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{
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c := nextConfig()
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c.Performance.RaftMultiplier = 99
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dir, agent := makeAgent(t, c)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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const raftMult time.Duration = 99
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r := agent.consulConfig().RaftConfig
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def := raft.DefaultConfig()
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if r.HeartbeatTimeout != raftMult*def.HeartbeatTimeout ||
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r.ElectionTimeout != raftMult*def.ElectionTimeout ||
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r.LeaderLeaseTimeout != raftMult*def.LeaderLeaseTimeout {
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t.Fatalf("bad: %#v", *r)
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}
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}
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}
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func TestAgent_ReconnectConfigSettings(t *testing.T) {
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t.Parallel()
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c := nextConfig()
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func() {
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dir, agent := makeAgent(t, c)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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lan := agent.consulConfig().SerfLANConfig.ReconnectTimeout
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if lan != 3*24*time.Hour {
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t.Fatalf("bad: %s", lan.String())
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}
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wan := agent.consulConfig().SerfWANConfig.ReconnectTimeout
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if wan != 3*24*time.Hour {
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t.Fatalf("bad: %s", wan.String())
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}
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}()
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c = nextConfig()
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c.ReconnectTimeoutLan = 24 * time.Hour
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c.ReconnectTimeoutWan = 36 * time.Hour
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func() {
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dir, agent := makeAgent(t, c)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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lan := agent.consulConfig().SerfLANConfig.ReconnectTimeout
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if lan != 24*time.Hour {
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t.Fatalf("bad: %s", lan.String())
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}
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wan := agent.consulConfig().SerfWANConfig.ReconnectTimeout
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if wan != 36*time.Hour {
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t.Fatalf("bad: %s", wan.String())
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}
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}()
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}
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func TestAgent_setupNodeID(t *testing.T) {
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t.Parallel()
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c := nextConfig()
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c.NodeID = ""
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dir, agent := makeAgent(t, c)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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// The auto-assigned ID should be valid.
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id := agent.consulConfig().NodeID
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if _, err := uuid.ParseUUID(string(id)); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Running again should get the same ID (persisted in the file).
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c.NodeID = ""
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if err := agent.setupNodeID(c); err != nil {
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t.Fatalf("err: %v", err)
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}
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if newID := agent.consulConfig().NodeID; id != newID {
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t.Fatalf("bad: %q vs %q", id, newID)
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}
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// Set an invalid ID via config.
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c.NodeID = types.NodeID("nope")
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err := agent.setupNodeID(c)
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if err == nil || !strings.Contains(err.Error(), "uuid string is wrong length") {
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t.Fatalf("err: %v", err)
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}
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// Set a valid ID via config.
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newID, err := uuid.GenerateUUID()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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c.NodeID = types.NodeID(strings.ToUpper(newID))
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if err := agent.setupNodeID(c); err != nil {
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t.Fatalf("err: %v", err)
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}
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if id := agent.consulConfig().NodeID; string(id) != newID {
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t.Fatalf("bad: %q vs. %q", id, newID)
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}
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// Set an invalid ID via the file.
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fileID := filepath.Join(c.DataDir, "node-id")
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if err := ioutil.WriteFile(fileID, []byte("adf4238a!882b!9ddc!4a9d!5b6758e4159e"), 0600); err != nil {
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t.Fatalf("err: %v", err)
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}
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c.NodeID = ""
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err = agent.setupNodeID(c)
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if err == nil || !strings.Contains(err.Error(), "uuid is improperly formatted") {
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t.Fatalf("err: %v", err)
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}
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|
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// Set a valid ID via the file.
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if err := ioutil.WriteFile(fileID, []byte("ADF4238a-882b-9ddc-4a9d-5b6758e4159e"), 0600); err != nil {
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t.Fatalf("err: %v", err)
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}
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c.NodeID = ""
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if err := agent.setupNodeID(c); err != nil {
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t.Fatalf("err: %v", err)
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}
|
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if id := agent.consulConfig().NodeID; string(id) != "adf4238a-882b-9ddc-4a9d-5b6758e4159e" {
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t.Fatalf("bad: %q vs. %q", id, newID)
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}
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}
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|
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func TestAgent_makeNodeID(t *testing.T) {
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t.Parallel()
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c := nextConfig()
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c.NodeID = ""
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dir, agent := makeAgent(t, c)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
|
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|
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// We should get a valid host-based ID initially.
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id, err := agent.makeNodeID()
|
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if err != nil {
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t.Fatalf("err: %v", err)
|
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}
|
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if _, err := uuid.ParseUUID(string(id)); err != nil {
|
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t.Fatalf("err: %v", err)
|
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}
|
|
|
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// Calling again should yield the same ID since it's host-based.
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another, err := agent.makeNodeID()
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if err != nil {
|
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t.Fatalf("err: %v", err)
|
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}
|
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if id != another {
|
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t.Fatalf("bad: %s vs %s", id, another)
|
|
}
|
|
|
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// Turn off host-based IDs and try again. We should get a random ID.
|
|
agent.config.DisableHostNodeID = true
|
|
another, err = agent.makeNodeID()
|
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if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if id == another {
|
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t.Fatalf("bad: %s vs %s", id, another)
|
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}
|
|
}
|
|
|
|
func TestAgent_AddService(t *testing.T) {
|
|
t.Parallel()
|
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dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// Service registration with a single check
|
|
{
|
|
srv := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
chkTypes := CheckTypes{
|
|
&CheckType{
|
|
TTL: time.Minute,
|
|
Notes: "redis heath check 2",
|
|
},
|
|
}
|
|
err := agent.AddService(srv, chkTypes, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a state mapping
|
|
if _, ok := agent.state.Services()["redis"]; !ok {
|
|
t.Fatalf("missing redis service")
|
|
}
|
|
|
|
// Ensure the check is registered
|
|
if _, ok := agent.state.Checks()["service:redis"]; !ok {
|
|
t.Fatalf("missing redis check")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := agent.checkTTLs["service:redis"]; !ok {
|
|
t.Fatalf("missing redis check ttl")
|
|
}
|
|
|
|
// Ensure the notes are passed through
|
|
if agent.state.Checks()["service:redis"].Notes == "" {
|
|
t.Fatalf("missing redis check notes")
|
|
}
|
|
}
|
|
|
|
// Service registration with multiple checks
|
|
{
|
|
srv := &structs.NodeService{
|
|
ID: "memcache",
|
|
Service: "memcache",
|
|
Tags: []string{"bar"},
|
|
Port: 8000,
|
|
}
|
|
chkTypes := CheckTypes{
|
|
&CheckType{
|
|
TTL: time.Minute,
|
|
Notes: "memcache health check 1",
|
|
},
|
|
&CheckType{
|
|
TTL: time.Second,
|
|
Notes: "memcache heath check 2",
|
|
},
|
|
}
|
|
if err := agent.AddService(srv, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a state mapping
|
|
if _, ok := agent.state.Services()["memcache"]; !ok {
|
|
t.Fatalf("missing memcache service")
|
|
}
|
|
|
|
// Ensure both checks were added
|
|
if _, ok := agent.state.Checks()["service:memcache:1"]; !ok {
|
|
t.Fatalf("missing memcache:1 check")
|
|
}
|
|
if _, ok := agent.state.Checks()["service:memcache:2"]; !ok {
|
|
t.Fatalf("missing memcache:2 check")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := agent.checkTTLs["service:memcache:1"]; !ok {
|
|
t.Fatalf("missing memcache:1 check ttl")
|
|
}
|
|
if _, ok := agent.checkTTLs["service:memcache:2"]; !ok {
|
|
t.Fatalf("missing memcache:2 check ttl")
|
|
}
|
|
|
|
// Ensure the notes are passed through
|
|
if agent.state.Checks()["service:memcache:1"].Notes == "" {
|
|
t.Fatalf("missing redis check notes")
|
|
}
|
|
if agent.state.Checks()["service:memcache:2"].Notes == "" {
|
|
t.Fatalf("missing redis check notes")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAgent_RemoveService(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// Remove a service that doesn't exist
|
|
if err := agent.RemoveService("redis", false); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Remove the consul service
|
|
if err := agent.RemoveService("consul", false); err == nil {
|
|
t.Fatalf("should have errored")
|
|
}
|
|
|
|
// Remove without an ID
|
|
if err := agent.RemoveService("", false); err == nil {
|
|
t.Fatalf("should have errored")
|
|
}
|
|
|
|
// Removing a service with a single check works
|
|
{
|
|
srv := &structs.NodeService{
|
|
ID: "memcache",
|
|
Service: "memcache",
|
|
Port: 8000,
|
|
}
|
|
chkTypes := CheckTypes{&CheckType{TTL: time.Minute}}
|
|
|
|
if err := agent.AddService(srv, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Add a check after the fact with a specific check ID
|
|
check := &CheckDefinition{
|
|
ID: "check2",
|
|
Name: "check2",
|
|
ServiceID: "memcache",
|
|
CheckType: CheckType{TTL: time.Minute},
|
|
}
|
|
hc := check.HealthCheck("node1")
|
|
if err := agent.AddCheck(hc, &check.CheckType, false, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
if err := agent.RemoveService("memcache", false); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, ok := agent.state.Checks()["service:memcache"]; ok {
|
|
t.Fatalf("have memcache check")
|
|
}
|
|
if _, ok := agent.state.Checks()["check2"]; ok {
|
|
t.Fatalf("have check2 check")
|
|
}
|
|
}
|
|
|
|
// Removing a service with multiple checks works
|
|
{
|
|
srv := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Port: 8000,
|
|
}
|
|
chkTypes := CheckTypes{
|
|
&CheckType{TTL: time.Minute},
|
|
&CheckType{TTL: 30 * time.Second},
|
|
}
|
|
if err := agent.AddService(srv, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Remove the service
|
|
if err := agent.RemoveService("redis", false); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a state mapping
|
|
if _, ok := agent.state.Services()["redis"]; ok {
|
|
t.Fatalf("have redis service")
|
|
}
|
|
|
|
// Ensure checks were removed
|
|
if _, ok := agent.state.Checks()["service:redis:1"]; ok {
|
|
t.Fatalf("check redis:1 should be removed")
|
|
}
|
|
if _, ok := agent.state.Checks()["service:redis:2"]; ok {
|
|
t.Fatalf("check redis:2 should be removed")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := agent.checkTTLs["service:redis:1"]; ok {
|
|
t.Fatalf("check ttl for redis:1 should be removed")
|
|
}
|
|
if _, ok := agent.checkTTLs["service:redis:2"]; ok {
|
|
t.Fatalf("check ttl for redis:2 should be removed")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &CheckType{
|
|
Script: "exit 0",
|
|
Interval: 15 * time.Second,
|
|
}
|
|
err := agent.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping
|
|
sChk, ok := agent.state.Checks()["mem"]
|
|
if !ok {
|
|
t.Fatalf("missing mem check")
|
|
}
|
|
|
|
// Ensure our check is in the right state
|
|
if sChk.Status != api.HealthCritical {
|
|
t.Fatalf("check not critical")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := agent.checkMonitors["mem"]; !ok {
|
|
t.Fatalf("missing mem monitor")
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_StartPassing(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthPassing,
|
|
}
|
|
chk := &CheckType{
|
|
Script: "exit 0",
|
|
Interval: 15 * time.Second,
|
|
}
|
|
err := agent.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping
|
|
sChk, ok := agent.state.Checks()["mem"]
|
|
if !ok {
|
|
t.Fatalf("missing mem check")
|
|
}
|
|
|
|
// Ensure our check is in the right state
|
|
if sChk.Status != api.HealthPassing {
|
|
t.Fatalf("check not passing")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := agent.checkMonitors["mem"]; !ok {
|
|
t.Fatalf("missing mem monitor")
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_MinInterval(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &CheckType{
|
|
Script: "exit 0",
|
|
Interval: time.Microsecond,
|
|
}
|
|
err := agent.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping
|
|
if _, ok := agent.state.Checks()["mem"]; !ok {
|
|
t.Fatalf("missing mem check")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if mon, ok := agent.checkMonitors["mem"]; !ok {
|
|
t.Fatalf("missing mem monitor")
|
|
} else if mon.Interval != MinInterval {
|
|
t.Fatalf("bad mem monitor interval")
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_MissingService(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "baz",
|
|
Name: "baz check 1",
|
|
ServiceID: "baz",
|
|
}
|
|
chk := &CheckType{
|
|
Script: "exit 0",
|
|
Interval: time.Microsecond,
|
|
}
|
|
err := agent.AddCheck(health, chk, false, "")
|
|
if err == nil || err.Error() != `ServiceID "baz" does not exist` {
|
|
t.Fatalf("expected service id error, got: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestAgent_AddCheck_RestoreState(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// Create some state and persist it
|
|
ttl := &CheckTTL{
|
|
CheckID: "baz",
|
|
TTL: time.Minute,
|
|
}
|
|
err := agent.persistCheckState(ttl, api.HealthPassing, "yup")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Build and register the check definition and initial state
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "baz",
|
|
Name: "baz check 1",
|
|
}
|
|
chk := &CheckType{
|
|
TTL: time.Minute,
|
|
}
|
|
err = agent.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the check status was restored during registration
|
|
checks := agent.state.Checks()
|
|
check, ok := checks["baz"]
|
|
if !ok {
|
|
t.Fatalf("missing check")
|
|
}
|
|
if check.Status != api.HealthPassing {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
if check.Output != "yup" {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
}
|
|
|
|
func TestAgent_RemoveCheck(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// Remove check that doesn't exist
|
|
if err := agent.RemoveCheck("mem", false); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Remove without an ID
|
|
if err := agent.RemoveCheck("", false); err == nil {
|
|
t.Fatalf("should have errored")
|
|
}
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &CheckType{
|
|
Script: "exit 0",
|
|
Interval: 15 * time.Second,
|
|
}
|
|
err := agent.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Remove check
|
|
if err := agent.RemoveCheck("mem", false); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping
|
|
if _, ok := agent.state.Checks()["mem"]; ok {
|
|
t.Fatalf("have mem check")
|
|
}
|
|
|
|
// Ensure a TTL is setup
|
|
if _, ok := agent.checkMonitors["mem"]; ok {
|
|
t.Fatalf("have mem monitor")
|
|
}
|
|
}
|
|
|
|
func TestAgent_updateTTLCheck(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
health := &structs.HealthCheck{
|
|
Node: "foo",
|
|
CheckID: "mem",
|
|
Name: "memory util",
|
|
Status: api.HealthCritical,
|
|
}
|
|
chk := &CheckType{
|
|
TTL: 15 * time.Second,
|
|
}
|
|
|
|
// Add check and update it.
|
|
err := agent.AddCheck(health, chk, false, "")
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if err := agent.updateTTLCheck("mem", api.HealthPassing, "foo"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ensure we have a check mapping.
|
|
status := agent.state.Checks()["mem"]
|
|
if status.Status != api.HealthPassing {
|
|
t.Fatalf("bad: %v", status)
|
|
}
|
|
if status.Output != "foo" {
|
|
t.Fatalf("bad: %v", status)
|
|
}
|
|
}
|
|
|
|
func TestAgent_ConsulService(t *testing.T) {
|
|
t.Parallel()
|
|
dir, agent := makeAgent(t, nextConfig())
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
testrpc.WaitForLeader(t, agent.RPC, "dc1")
|
|
|
|
// Consul service is registered
|
|
services := agent.state.Services()
|
|
if _, ok := services[consul.ConsulServiceID]; !ok {
|
|
t.Fatalf("%s service should be registered", consul.ConsulServiceID)
|
|
}
|
|
|
|
// Perform anti-entropy on consul service
|
|
if err := agent.state.syncService(consul.ConsulServiceID); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Consul service should be in sync
|
|
if !agent.state.serviceStatus[consul.ConsulServiceID].inSync {
|
|
t.Fatalf("%s service should be in sync", consul.ConsulServiceID)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PersistService(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
config.Server = false
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
file := filepath.Join(agent.config.DataDir, servicesDir, stringHash(svc.ID))
|
|
|
|
// Check is not persisted unless requested
|
|
if err := agent.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, err := os.Stat(file); err == nil {
|
|
t.Fatalf("should not persist")
|
|
}
|
|
|
|
// Persists to file if requested
|
|
if err := agent.AddService(svc, nil, true, "mytoken"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, err := os.Stat(file); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
expected, err := json.Marshal(persistedService{
|
|
Token: "mytoken",
|
|
Service: svc,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
content, err := ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if !bytes.Equal(expected, content) {
|
|
t.Fatalf("bad: %s", string(content))
|
|
}
|
|
|
|
// Updates service definition on disk
|
|
svc.Port = 8001
|
|
if err := agent.AddService(svc, nil, true, "mytoken"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
expected, err = json.Marshal(persistedService{
|
|
Token: "mytoken",
|
|
Service: svc,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
content, err = ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if !bytes.Equal(expected, content) {
|
|
t.Fatalf("bad: %s", string(content))
|
|
}
|
|
agent.Shutdown()
|
|
|
|
// Should load it back during later start
|
|
agent2, err := Create(config, nil, nil, nil)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
defer agent2.Shutdown()
|
|
|
|
restored, ok := agent2.state.services[svc.ID]
|
|
if !ok {
|
|
t.Fatalf("bad: %#v", agent2.state.services)
|
|
}
|
|
if agent2.state.serviceTokens[svc.ID] != "mytoken" {
|
|
t.Fatalf("bad: %#v", agent2.state.services[svc.ID])
|
|
}
|
|
if restored.Port != 8001 {
|
|
t.Fatalf("bad: %#v", restored)
|
|
}
|
|
}
|
|
|
|
func TestAgent_persistedService_compat(t *testing.T) {
|
|
t.Parallel()
|
|
// Tests backwards compatibility of persisted services from pre-0.5.1
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
// Encode the NodeService directly. This is what previous versions
|
|
// would serialize to the file (without the wrapper)
|
|
encoded, err := json.Marshal(svc)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Write the content to the file
|
|
file := filepath.Join(agent.config.DataDir, servicesDir, stringHash(svc.ID))
|
|
if err := os.MkdirAll(filepath.Dir(file), 0700); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if err := ioutil.WriteFile(file, encoded, 0600); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Load the services
|
|
if err := agent.loadServices(config); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the service was restored
|
|
services := agent.state.Services()
|
|
result, ok := services["redis"]
|
|
if !ok {
|
|
t.Fatalf("missing service")
|
|
}
|
|
if !reflect.DeepEqual(result, svc) {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PurgeService(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
file := filepath.Join(agent.config.DataDir, servicesDir, stringHash(svc.ID))
|
|
if err := agent.AddService(svc, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Not removed
|
|
if err := agent.RemoveService(svc.ID, false); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, err := os.Stat(file); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Re-add the service
|
|
if err := agent.AddService(svc, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Removed
|
|
if err := agent.RemoveService(svc.ID, true); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, err := os.Stat(file); !os.IsNotExist(err) {
|
|
t.Fatalf("bad: %#v", err)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PurgeServiceOnDuplicate(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
config.Server = false
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
svc1 := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
// First persist the service
|
|
if err := agent.AddService(svc1, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
agent.Shutdown()
|
|
|
|
// Try bringing the agent back up with the service already
|
|
// existing in the config
|
|
svc2 := &ServiceDefinition{
|
|
ID: "redis",
|
|
Name: "redis",
|
|
Tags: []string{"bar"},
|
|
Port: 9000,
|
|
}
|
|
|
|
config.Services = []*ServiceDefinition{svc2}
|
|
agent2, err := Create(config, nil, nil, nil)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
defer agent2.Shutdown()
|
|
|
|
file := filepath.Join(agent.config.DataDir, servicesDir, stringHash(svc1.ID))
|
|
if _, err := os.Stat(file); err == nil {
|
|
t.Fatalf("should have removed persisted service")
|
|
}
|
|
result, ok := agent2.state.services[svc2.ID]
|
|
if !ok {
|
|
t.Fatalf("missing service registration")
|
|
}
|
|
if !reflect.DeepEqual(result.Tags, svc2.Tags) || result.Port != svc2.Port {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PersistCheck(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
config.Server = false
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
check := &structs.HealthCheck{
|
|
Node: config.NodeName,
|
|
CheckID: "mem",
|
|
Name: "memory check",
|
|
Status: api.HealthPassing,
|
|
}
|
|
chkType := &CheckType{
|
|
Script: "/bin/true",
|
|
Interval: 10 * time.Second,
|
|
}
|
|
|
|
file := filepath.Join(agent.config.DataDir, checksDir, checkIDHash(check.CheckID))
|
|
|
|
// Not persisted if not requested
|
|
if err := agent.AddCheck(check, chkType, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, err := os.Stat(file); err == nil {
|
|
t.Fatalf("should not persist")
|
|
}
|
|
|
|
// Should persist if requested
|
|
if err := agent.AddCheck(check, chkType, true, "mytoken"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, err := os.Stat(file); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
expected, err := json.Marshal(persistedCheck{
|
|
Check: check,
|
|
ChkType: chkType,
|
|
Token: "mytoken",
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
content, err := ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if !bytes.Equal(expected, content) {
|
|
t.Fatalf("bad: %s", string(content))
|
|
}
|
|
|
|
// Updates the check definition on disk
|
|
check.Name = "mem1"
|
|
if err := agent.AddCheck(check, chkType, true, "mytoken"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
expected, err = json.Marshal(persistedCheck{
|
|
Check: check,
|
|
ChkType: chkType,
|
|
Token: "mytoken",
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
content, err = ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if !bytes.Equal(expected, content) {
|
|
t.Fatalf("bad: %s", string(content))
|
|
}
|
|
agent.Shutdown()
|
|
|
|
// Should load it back during later start
|
|
agent2, err := Create(config, nil, nil, nil)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
defer agent2.Shutdown()
|
|
|
|
result, ok := agent2.state.checks[check.CheckID]
|
|
if !ok {
|
|
t.Fatalf("bad: %#v", agent2.state.checks)
|
|
}
|
|
if result.Status != api.HealthCritical {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
if result.Name != "mem1" {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
|
|
// Should have restored the monitor
|
|
if _, ok := agent2.checkMonitors[check.CheckID]; !ok {
|
|
t.Fatalf("bad: %#v", agent2.checkMonitors)
|
|
}
|
|
if agent2.state.checkTokens[check.CheckID] != "mytoken" {
|
|
t.Fatalf("bad: %s", agent2.state.checkTokens[check.CheckID])
|
|
}
|
|
}
|
|
|
|
func TestAgent_PurgeCheck(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
check := &structs.HealthCheck{
|
|
Node: config.NodeName,
|
|
CheckID: "mem",
|
|
Name: "memory check",
|
|
Status: api.HealthPassing,
|
|
}
|
|
|
|
file := filepath.Join(agent.config.DataDir, checksDir, checkIDHash(check.CheckID))
|
|
if err := agent.AddCheck(check, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Not removed
|
|
if err := agent.RemoveCheck(check.CheckID, false); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, err := os.Stat(file); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Removed
|
|
if err := agent.RemoveCheck(check.CheckID, true); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
if _, err := os.Stat(file); !os.IsNotExist(err) {
|
|
t.Fatalf("bad: %#v", err)
|
|
}
|
|
}
|
|
|
|
func TestAgent_PurgeCheckOnDuplicate(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
config.Server = false
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
check1 := &structs.HealthCheck{
|
|
Node: config.NodeName,
|
|
CheckID: "mem",
|
|
Name: "memory check",
|
|
Status: api.HealthPassing,
|
|
}
|
|
|
|
// First persist the check
|
|
if err := agent.AddCheck(check1, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
agent.Shutdown()
|
|
|
|
// Start again with the check registered in config
|
|
check2 := &CheckDefinition{
|
|
ID: "mem",
|
|
Name: "memory check",
|
|
Notes: "my cool notes",
|
|
CheckType: CheckType{
|
|
Script: "/bin/check-redis.py",
|
|
Interval: 30 * time.Second,
|
|
},
|
|
}
|
|
|
|
config.Checks = []*CheckDefinition{check2}
|
|
agent2, err := Create(config, nil, nil, nil)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
defer agent2.Shutdown()
|
|
|
|
file := filepath.Join(agent.config.DataDir, checksDir, checkIDHash(check1.CheckID))
|
|
if _, err := os.Stat(file); err == nil {
|
|
t.Fatalf("should have removed persisted check")
|
|
}
|
|
result, ok := agent2.state.checks[check2.ID]
|
|
if !ok {
|
|
t.Fatalf("missing check registration")
|
|
}
|
|
expected := check2.HealthCheck(config.NodeName)
|
|
if !reflect.DeepEqual(expected, result) {
|
|
t.Fatalf("bad: %#v", result)
|
|
}
|
|
}
|
|
|
|
func TestAgent_loadChecks_token(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
config.Checks = append(config.Checks, &CheckDefinition{
|
|
ID: "rabbitmq",
|
|
Name: "rabbitmq",
|
|
Token: "abc123",
|
|
CheckType: CheckType{
|
|
TTL: 10 * time.Second,
|
|
},
|
|
})
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
checks := agent.state.Checks()
|
|
if _, ok := checks["rabbitmq"]; !ok {
|
|
t.Fatalf("missing check")
|
|
}
|
|
if token := agent.state.CheckToken("rabbitmq"); token != "abc123" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
}
|
|
|
|
func TestAgent_unloadChecks(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// First register a service
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
if err := agent.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Register a check
|
|
check1 := &structs.HealthCheck{
|
|
Node: config.NodeName,
|
|
CheckID: "service:redis",
|
|
Name: "redischeck",
|
|
Status: api.HealthPassing,
|
|
ServiceID: "redis",
|
|
ServiceName: "redis",
|
|
}
|
|
if err := agent.AddCheck(check1, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
found := false
|
|
for check := range agent.state.Checks() {
|
|
if check == check1.CheckID {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Fatalf("check should have been registered")
|
|
}
|
|
|
|
// Unload all of the checks
|
|
if err := agent.unloadChecks(); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Make sure it was unloaded
|
|
for check := range agent.state.Checks() {
|
|
if check == check1.CheckID {
|
|
t.Fatalf("should have unloaded checks")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAgent_loadServices_token(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
config.Services = append(config.Services, &ServiceDefinition{
|
|
ID: "rabbitmq",
|
|
Name: "rabbitmq",
|
|
Port: 5672,
|
|
Token: "abc123",
|
|
})
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
services := agent.state.Services()
|
|
if _, ok := services["rabbitmq"]; !ok {
|
|
t.Fatalf("missing service")
|
|
}
|
|
if token := agent.state.ServiceToken("rabbitmq"); token != "abc123" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
}
|
|
|
|
func TestAgent_unloadServices(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
// Register the service
|
|
if err := agent.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
found := false
|
|
for id := range agent.state.Services() {
|
|
if id == svc.ID {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Fatalf("should have registered service")
|
|
}
|
|
|
|
// Unload all services
|
|
if err := agent.unloadServices(); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Make sure it was unloaded and the consul service remains
|
|
found = false
|
|
for id := range agent.state.Services() {
|
|
if id == svc.ID {
|
|
t.Fatalf("should have unloaded services")
|
|
}
|
|
if id == consul.ConsulServiceID {
|
|
found = true
|
|
}
|
|
}
|
|
if !found {
|
|
t.Fatalf("consul service should not be removed")
|
|
}
|
|
}
|
|
|
|
func TestAgent_Service_MaintenanceMode(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
|
|
// Register the service
|
|
if err := agent.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Enter maintenance mode for the service
|
|
if err := agent.EnableServiceMaintenance("redis", "broken", "mytoken"); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Make sure the critical health check was added
|
|
checkID := serviceMaintCheckID("redis")
|
|
check, ok := agent.state.Checks()[checkID]
|
|
if !ok {
|
|
t.Fatalf("should have registered critical maintenance check")
|
|
}
|
|
|
|
// Check that the token was used to register the check
|
|
if token := agent.state.CheckToken(checkID); token != "mytoken" {
|
|
t.Fatalf("expected 'mytoken', got: '%s'", token)
|
|
}
|
|
|
|
// Ensure the reason was set in notes
|
|
if check.Notes != "broken" {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
|
|
// Leave maintenance mode
|
|
if err := agent.DisableServiceMaintenance("redis"); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the check was deregistered
|
|
if _, ok := agent.state.Checks()[checkID]; ok {
|
|
t.Fatalf("should have deregistered maintenance check")
|
|
}
|
|
|
|
// Enter service maintenance mode without providing a reason
|
|
if err := agent.EnableServiceMaintenance("redis", "", ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the check was registered with the default notes
|
|
check, ok = agent.state.Checks()[checkID]
|
|
if !ok {
|
|
t.Fatalf("should have registered critical check")
|
|
}
|
|
if check.Notes != defaultServiceMaintReason {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
}
|
|
|
|
func TestAgent_Service_Reap(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
config.CheckReapInterval = time.Millisecond
|
|
config.CheckDeregisterIntervalMin = 0
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
chkTypes := CheckTypes{
|
|
&CheckType{
|
|
Status: api.HealthPassing,
|
|
TTL: 10 * time.Millisecond,
|
|
DeregisterCriticalServiceAfter: 100 * time.Millisecond,
|
|
},
|
|
}
|
|
|
|
// Register the service.
|
|
if err := agent.AddService(svc, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Make sure it's there and there's no critical check yet.
|
|
if _, ok := agent.state.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := agent.state.CriticalChecks(); len(checks) > 0 {
|
|
t.Fatalf("should not have critical checks")
|
|
}
|
|
|
|
// Wait for the check TTL to fail.
|
|
time.Sleep(30 * time.Millisecond)
|
|
if _, ok := agent.state.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := agent.state.CriticalChecks(); len(checks) != 1 {
|
|
t.Fatalf("should have a critical check")
|
|
}
|
|
|
|
// Pass the TTL.
|
|
if err := agent.updateTTLCheck("service:redis", api.HealthPassing, "foo"); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if _, ok := agent.state.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := agent.state.CriticalChecks(); len(checks) > 0 {
|
|
t.Fatalf("should not have critical checks")
|
|
}
|
|
|
|
// Wait for the check TTL to fail again.
|
|
time.Sleep(30 * time.Millisecond)
|
|
if _, ok := agent.state.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := agent.state.CriticalChecks(); len(checks) != 1 {
|
|
t.Fatalf("should have a critical check")
|
|
}
|
|
|
|
// Wait for the reap.
|
|
time.Sleep(300 * time.Millisecond)
|
|
if _, ok := agent.state.Services()["redis"]; ok {
|
|
t.Fatalf("redis service should have been reaped")
|
|
}
|
|
if checks := agent.state.CriticalChecks(); len(checks) > 0 {
|
|
t.Fatalf("should not have critical checks")
|
|
}
|
|
}
|
|
|
|
func TestAgent_Service_NoReap(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
config.CheckReapInterval = time.Millisecond
|
|
config.CheckDeregisterIntervalMin = 0
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
chkTypes := CheckTypes{
|
|
&CheckType{
|
|
Status: api.HealthPassing,
|
|
TTL: 10 * time.Millisecond,
|
|
},
|
|
}
|
|
|
|
// Register the service.
|
|
if err := agent.AddService(svc, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Make sure it's there and there's no critical check yet.
|
|
if _, ok := agent.state.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := agent.state.CriticalChecks(); len(checks) > 0 {
|
|
t.Fatalf("should not have critical checks")
|
|
}
|
|
|
|
// Wait for the check TTL to fail.
|
|
time.Sleep(30 * time.Millisecond)
|
|
if _, ok := agent.state.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := agent.state.CriticalChecks(); len(checks) != 1 {
|
|
t.Fatalf("should have a critical check")
|
|
}
|
|
|
|
// Wait a while and make sure it doesn't reap.
|
|
time.Sleep(300 * time.Millisecond)
|
|
if _, ok := agent.state.Services()["redis"]; !ok {
|
|
t.Fatalf("should have redis service")
|
|
}
|
|
if checks := agent.state.CriticalChecks(); len(checks) != 1 {
|
|
t.Fatalf("should have a critical check")
|
|
}
|
|
}
|
|
|
|
func TestAgent_addCheck_restoresSnapshot(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// First register a service
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
if err := agent.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Register a check
|
|
check1 := &structs.HealthCheck{
|
|
Node: config.NodeName,
|
|
CheckID: "service:redis",
|
|
Name: "redischeck",
|
|
Status: api.HealthPassing,
|
|
ServiceID: "redis",
|
|
ServiceName: "redis",
|
|
}
|
|
if err := agent.AddCheck(check1, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Re-registering the service preserves the state of the check
|
|
chkTypes := CheckTypes{&CheckType{TTL: 30 * time.Second}}
|
|
if err := agent.AddService(svc, chkTypes, false, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
check, ok := agent.state.Checks()["service:redis"]
|
|
if !ok {
|
|
t.Fatalf("missing check")
|
|
}
|
|
if check.Status != api.HealthPassing {
|
|
t.Fatalf("bad: %s", check.Status)
|
|
}
|
|
}
|
|
|
|
func TestAgent_NodeMaintenanceMode(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// Enter maintenance mode for the node
|
|
agent.EnableNodeMaintenance("broken", "mytoken")
|
|
|
|
// Make sure the critical health check was added
|
|
check, ok := agent.state.Checks()[structs.NodeMaint]
|
|
if !ok {
|
|
t.Fatalf("should have registered critical node check")
|
|
}
|
|
|
|
// Check that the token was used to register the check
|
|
if token := agent.state.CheckToken(structs.NodeMaint); token != "mytoken" {
|
|
t.Fatalf("expected 'mytoken', got: '%s'", token)
|
|
}
|
|
|
|
// Ensure the reason was set in notes
|
|
if check.Notes != "broken" {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
|
|
// Leave maintenance mode
|
|
agent.DisableNodeMaintenance()
|
|
|
|
// Ensure the check was deregistered
|
|
if _, ok := agent.state.Checks()[structs.NodeMaint]; ok {
|
|
t.Fatalf("should have deregistered critical node check")
|
|
}
|
|
|
|
// Enter maintenance mode without passing a reason
|
|
agent.EnableNodeMaintenance("", "")
|
|
|
|
// Make sure the check was registered with the default note
|
|
check, ok = agent.state.Checks()[structs.NodeMaint]
|
|
if !ok {
|
|
t.Fatalf("should have registered critical node check")
|
|
}
|
|
if check.Notes != defaultNodeMaintReason {
|
|
t.Fatalf("bad: %#v", check)
|
|
}
|
|
}
|
|
|
|
func TestAgent_checkStateSnapshot(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// First register a service
|
|
svc := &structs.NodeService{
|
|
ID: "redis",
|
|
Service: "redis",
|
|
Tags: []string{"foo"},
|
|
Port: 8000,
|
|
}
|
|
if err := agent.AddService(svc, nil, false, ""); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Register a check
|
|
check1 := &structs.HealthCheck{
|
|
Node: config.NodeName,
|
|
CheckID: "service:redis",
|
|
Name: "redischeck",
|
|
Status: api.HealthPassing,
|
|
ServiceID: "redis",
|
|
ServiceName: "redis",
|
|
}
|
|
if err := agent.AddCheck(check1, nil, true, ""); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Snapshot the state
|
|
snap := agent.snapshotCheckState()
|
|
|
|
// Unload all of the checks
|
|
if err := agent.unloadChecks(); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Reload the checks
|
|
if err := agent.loadChecks(config); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Restore the state
|
|
agent.restoreCheckState(snap)
|
|
|
|
// Search for the check
|
|
out, ok := agent.state.Checks()[check1.CheckID]
|
|
if !ok {
|
|
t.Fatalf("check should have been registered")
|
|
}
|
|
|
|
// Make sure state was restored
|
|
if out.Status != api.HealthPassing {
|
|
t.Fatalf("should have restored check state")
|
|
}
|
|
}
|
|
|
|
func TestAgent_loadChecks_checkFails(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// Persist a health check with an invalid service ID
|
|
check := &structs.HealthCheck{
|
|
Node: config.NodeName,
|
|
CheckID: "service:redis",
|
|
Name: "redischeck",
|
|
Status: api.HealthPassing,
|
|
ServiceID: "nope",
|
|
}
|
|
if err := agent.persistCheck(check, nil); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Check to make sure the check was persisted
|
|
checkHash := checkIDHash(check.CheckID)
|
|
checkPath := filepath.Join(config.DataDir, checksDir, checkHash)
|
|
if _, err := os.Stat(checkPath); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Try loading the checks from the persisted files
|
|
if err := agent.loadChecks(config); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Ensure the erroneous check was purged
|
|
if _, err := os.Stat(checkPath); err == nil {
|
|
t.Fatalf("should have purged check")
|
|
}
|
|
}
|
|
|
|
func TestAgent_persistCheckState(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// Create the TTL check to persist
|
|
check := &CheckTTL{
|
|
CheckID: "check1",
|
|
TTL: 10 * time.Minute,
|
|
}
|
|
|
|
// Persist some check state for the check
|
|
err := agent.persistCheckState(check, api.HealthCritical, "nope")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Check the persisted file exists and has the content
|
|
file := filepath.Join(agent.config.DataDir, checkStateDir, stringHash("check1"))
|
|
buf, err := ioutil.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Decode the state
|
|
var p persistedCheckState
|
|
if err := json.Unmarshal(buf, &p); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Check the fields
|
|
if p.CheckID != "check1" {
|
|
t.Fatalf("bad: %#v", p)
|
|
}
|
|
if p.Output != "nope" {
|
|
t.Fatalf("bad: %#v", p)
|
|
}
|
|
if p.Status != api.HealthCritical {
|
|
t.Fatalf("bad: %#v", p)
|
|
}
|
|
|
|
// Check the expiration time was set
|
|
if p.Expires < time.Now().Unix() {
|
|
t.Fatalf("bad: %#v", p)
|
|
}
|
|
}
|
|
|
|
func TestAgent_loadCheckState(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// Create a check whose state will expire immediately
|
|
check := &CheckTTL{
|
|
CheckID: "check1",
|
|
TTL: 0,
|
|
}
|
|
|
|
// Persist the check state
|
|
err := agent.persistCheckState(check, api.HealthPassing, "yup")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Try to load the state
|
|
health := &structs.HealthCheck{
|
|
CheckID: "check1",
|
|
Status: api.HealthCritical,
|
|
}
|
|
if err := agent.loadCheckState(health); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Should not have restored the status due to expiration
|
|
if health.Status != api.HealthCritical {
|
|
t.Fatalf("bad: %#v", health)
|
|
}
|
|
if health.Output != "" {
|
|
t.Fatalf("bad: %#v", health)
|
|
}
|
|
|
|
// Should have purged the state
|
|
file := filepath.Join(agent.config.DataDir, checksDir, stringHash("check1"))
|
|
if _, err := os.Stat(file); !os.IsNotExist(err) {
|
|
t.Fatalf("should have purged state")
|
|
}
|
|
|
|
// Set a TTL which will not expire before we check it
|
|
check.TTL = time.Minute
|
|
err = agent.persistCheckState(check, api.HealthPassing, "yup")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Try to load
|
|
if err := agent.loadCheckState(health); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Should have restored
|
|
if health.Status != api.HealthPassing {
|
|
t.Fatalf("bad: %#v", health)
|
|
}
|
|
if health.Output != "yup" {
|
|
t.Fatalf("bad: %#v", health)
|
|
}
|
|
}
|
|
|
|
func TestAgent_purgeCheckState(t *testing.T) {
|
|
t.Parallel()
|
|
config := nextConfig()
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// No error if the state does not exist
|
|
if err := agent.purgeCheckState("check1"); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Persist some state to the data dir
|
|
check := &CheckTTL{
|
|
CheckID: "check1",
|
|
TTL: time.Minute,
|
|
}
|
|
err := agent.persistCheckState(check, api.HealthPassing, "yup")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Purge the check state
|
|
if err := agent.purgeCheckState("check1"); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Removed the file
|
|
file := filepath.Join(agent.config.DataDir, checkStateDir, stringHash("check1"))
|
|
if _, err := os.Stat(file); !os.IsNotExist(err) {
|
|
t.Fatalf("should have removed file")
|
|
}
|
|
}
|
|
|
|
func TestAgent_GetCoordinate(t *testing.T) {
|
|
t.Parallel()
|
|
check := func(server bool) {
|
|
config := nextConfig()
|
|
config.Server = server
|
|
dir, agent := makeAgent(t, config)
|
|
defer os.RemoveAll(dir)
|
|
defer agent.Shutdown()
|
|
|
|
// This doesn't verify the returned coordinate, but it makes
|
|
// sure that the agent chooses the correct Serf instance,
|
|
// depending on how it's configured as a client or a server.
|
|
// If it chooses the wrong one, this will crash.
|
|
if _, err := agent.GetCoordinate(); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
}
|
|
|
|
check(true)
|
|
check(false)
|
|
}
|