mirror of https://github.com/status-im/consul.git
438 lines
8.7 KiB
Go
438 lines
8.7 KiB
Go
package agent
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import (
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"errors"
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"fmt"
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"github.com/hashicorp/consul/testutil"
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"github.com/hashicorp/serf/serf"
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"io"
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"net"
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"os"
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"strings"
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"testing"
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"time"
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)
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type rpcParts struct {
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dir string
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client *RPCClient
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agent *Agent
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rpc *AgentRPC
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}
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func (r *rpcParts) Close() {
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r.client.Close()
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r.rpc.Shutdown()
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r.agent.Shutdown()
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os.RemoveAll(r.dir)
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}
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// testRPCClient returns an RPCClient connected to an RPC server that
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// serves only this connection.
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func testRPCClient(t *testing.T) *rpcParts {
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return testRPCClientWithConfig(t, func(c *Config) {})
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}
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func testRPCClientWithConfig(t *testing.T, cb func(c *Config)) *rpcParts {
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l, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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lw := NewLogWriter(512)
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mult := io.MultiWriter(os.Stderr, lw)
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conf := nextConfig()
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cb(conf)
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dir, agent := makeAgentLog(t, conf, mult)
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rpc := NewAgentRPC(agent, l, mult, lw)
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rpcClient, err := NewRPCClient(l.Addr().String())
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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 &rpcParts{
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dir: dir,
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client: rpcClient,
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agent: agent,
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rpc: rpc,
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}
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}
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func TestRPCClientForceLeave(t *testing.T) {
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p1 := testRPCClient(t)
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p2 := testRPCClient(t)
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defer p1.Close()
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defer p2.Close()
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s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfLan)
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if _, err := p1.agent.JoinLAN([]string{s2Addr}); err != nil {
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t.Fatalf("err: %s", err)
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}
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if err := p2.agent.Shutdown(); err != nil {
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t.Fatalf("err: %s", err)
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}
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if err := p1.client.ForceLeave(p2.agent.config.NodeName); err != nil {
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t.Fatalf("err: %s", err)
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}
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m := p1.agent.LANMembers()
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if len(m) != 2 {
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t.Fatalf("should have 2 members: %#v", m)
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}
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testutil.WaitForResult(func() (bool, error) {
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m := p1.agent.LANMembers()
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success := m[1].Status == serf.StatusLeft
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return success, errors.New(m[1].Status.String())
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}, func(err error) {
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t.Fatalf("member status is %v, should be left", err)
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})
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}
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func TestRPCClientJoinLAN(t *testing.T) {
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p1 := testRPCClient(t)
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p2 := testRPCClient(t)
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defer p1.Close()
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defer p2.Close()
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s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfLan)
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n, err := p1.client.Join([]string{s2Addr}, false)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if n != 1 {
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t.Fatalf("n != 1: %d", n)
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}
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}
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func TestRPCClientJoinWAN(t *testing.T) {
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p1 := testRPCClient(t)
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p2 := testRPCClient(t)
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defer p1.Close()
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defer p2.Close()
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s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfWan)
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n, err := p1.client.Join([]string{s2Addr}, true)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if n != 1 {
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t.Fatalf("n != 1: %d", n)
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}
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}
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func TestRPCClientLANMembers(t *testing.T) {
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p1 := testRPCClient(t)
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p2 := testRPCClient(t)
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defer p1.Close()
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defer p2.Close()
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mem, err := p1.client.LANMembers()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if len(mem) != 1 {
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t.Fatalf("bad: %#v", mem)
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}
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s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfLan)
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_, err = p1.client.Join([]string{s2Addr}, false)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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mem, err = p1.client.LANMembers()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if len(mem) != 2 {
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t.Fatalf("bad: %#v", mem)
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}
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}
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func TestRPCClientWANMembers(t *testing.T) {
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p1 := testRPCClient(t)
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p2 := testRPCClient(t)
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defer p1.Close()
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defer p2.Close()
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mem, err := p1.client.WANMembers()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if len(mem) != 1 {
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t.Fatalf("bad: %#v", mem)
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}
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s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfWan)
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_, err = p1.client.Join([]string{s2Addr}, true)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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mem, err = p1.client.WANMembers()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if len(mem) != 2 {
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t.Fatalf("bad: %#v", mem)
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}
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}
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func TestRPCClientStats(t *testing.T) {
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p1 := testRPCClient(t)
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defer p1.Close()
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stats, err := p1.client.Stats()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if _, ok := stats["agent"]; !ok {
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t.Fatalf("bad: %#v", stats)
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}
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if _, ok := stats["consul"]; !ok {
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t.Fatalf("bad: %#v", stats)
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}
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}
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func TestRPCClientLeave(t *testing.T) {
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p1 := testRPCClient(t)
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defer p1.Close()
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if err := p1.client.Leave(); err != nil {
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t.Fatalf("err: %s", err)
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}
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time.Sleep(1 * time.Second)
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select {
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case <-p1.agent.ShutdownCh():
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default:
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t.Fatalf("agent should be shutdown!")
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}
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}
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func TestRPCClientMonitor(t *testing.T) {
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p1 := testRPCClient(t)
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defer p1.Close()
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eventCh := make(chan string, 64)
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if handle, err := p1.client.Monitor("debug", eventCh); err != nil {
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t.Fatalf("err: %s", err)
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} else {
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defer p1.client.Stop(handle)
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}
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found := false
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OUTER1:
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for i := 0; ; i++ {
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select {
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case e := <-eventCh:
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if strings.Contains(e, "Accepted client") {
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found = true
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break OUTER1
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}
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default:
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if i > 100 {
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break OUTER1
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}
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time.Sleep(10 * time.Millisecond)
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}
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}
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if !found {
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t.Fatalf("should log client accept")
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}
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// Join a bad thing to generate more events
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p1.agent.JoinLAN(nil)
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found = false
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OUTER2:
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for i := 0; ; i++ {
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select {
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case e := <-eventCh:
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if strings.Contains(e, "joining") {
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found = true
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break OUTER2
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}
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default:
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if i > 100 {
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break OUTER2
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}
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time.Sleep(10 * time.Millisecond)
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}
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}
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if !found {
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t.Fatalf("should log joining")
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}
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}
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func TestRPCClientListKeys(t *testing.T) {
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key1 := "tbLJg26ZJyJ9pK3qhc9jig=="
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p1 := testRPCClientWithConfig(t, func(c *Config) {
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c.EncryptKey = key1
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c.Datacenter = "dc1"
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})
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defer p1.Close()
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// Key is initially installed to both wan/lan
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keys := listKeys(t, p1.client)
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if _, ok := keys["dc1"][key1]; !ok {
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t.Fatalf("bad: %#v", keys)
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}
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if _, ok := keys["WAN"][key1]; !ok {
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t.Fatalf("bad: %#v", keys)
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}
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}
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func TestRPCClientInstallKey(t *testing.T) {
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key1 := "tbLJg26ZJyJ9pK3qhc9jig=="
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key2 := "xAEZ3uVHRMZD9GcYMZaRQw=="
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p1 := testRPCClientWithConfig(t, func(c *Config) {
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c.EncryptKey = key1
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})
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defer p1.Close()
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// key2 is not installed yet
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testutil.WaitForResult(func() (bool, error) {
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keys := listKeys(t, p1.client)
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if num, ok := keys["dc1"][key2]; ok || num != 0 {
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return false, fmt.Errorf("bad: %#v", keys)
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}
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if num, ok := keys["WAN"][key2]; ok || num != 0 {
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return false, fmt.Errorf("bad: %#v", keys)
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}
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return true, nil
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}, func(err error) {
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t.Fatal(err.Error())
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})
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// install key2
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r, err := p1.client.InstallKey(key2)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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keyringSuccess(t, r)
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// key2 should now be installed
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testutil.WaitForResult(func() (bool, error) {
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keys := listKeys(t, p1.client)
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if num, ok := keys["dc1"][key2]; !ok || num != 1 {
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return false, fmt.Errorf("bad: %#v", keys)
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}
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if num, ok := keys["WAN"][key2]; !ok || num != 1 {
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return false, fmt.Errorf("bad: %#v", keys)
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}
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return true, nil
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}, func(err error) {
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t.Fatal(err.Error())
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})
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}
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func TestRPCClientUseKey(t *testing.T) {
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key1 := "tbLJg26ZJyJ9pK3qhc9jig=="
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key2 := "xAEZ3uVHRMZD9GcYMZaRQw=="
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p1 := testRPCClientWithConfig(t, func(c *Config) {
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c.EncryptKey = key1
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})
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defer p1.Close()
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// add a second key to the ring
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r, err := p1.client.InstallKey(key2)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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keyringSuccess(t, r)
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// key2 is installed
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testutil.WaitForResult(func() (bool, error) {
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keys := listKeys(t, p1.client)
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if num, ok := keys["dc1"][key2]; !ok || num != 1 {
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return false, fmt.Errorf("bad: %#v", keys)
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}
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if num, ok := keys["WAN"][key2]; !ok || num != 1 {
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return false, fmt.Errorf("bad: %#v", keys)
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}
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return true, nil
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}, func(err error) {
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t.Fatal(err.Error())
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})
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// can't remove key1 yet
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r, err = p1.client.RemoveKey(key1)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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keyringError(t, r)
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// change primary key
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r, err = p1.client.UseKey(key2)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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keyringSuccess(t, r)
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// can remove key1 now
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r, err = p1.client.RemoveKey(key1)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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keyringSuccess(t, r)
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}
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func TestRPCClientKeyOperation_encryptionDisabled(t *testing.T) {
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p1 := testRPCClient(t)
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defer p1.Close()
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r, err := p1.client.ListKeys()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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keyringError(t, r)
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}
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func listKeys(t *testing.T, c *RPCClient) map[string]map[string]int {
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resp, err := c.ListKeys()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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out := make(map[string]map[string]int)
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for _, k := range resp.Keys {
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respID := k.Datacenter
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if k.Pool == "WAN" {
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respID = k.Pool
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}
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out[respID] = map[string]int{k.Key: k.Count}
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}
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return out
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}
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func keyringError(t *testing.T, r keyringResponse) {
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for _, i := range r.Info {
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if i.Error == "" {
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t.Fatalf("no error reported from %s (%s)", i.Datacenter, i.Pool)
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}
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}
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}
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func keyringSuccess(t *testing.T, r keyringResponse) {
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for _, i := range r.Info {
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if i.Error != "" {
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t.Fatalf("error from %s (%s): %s", i.Datacenter, i.Pool, i.Error)
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}
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}
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}
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