mirror of https://github.com/status-im/consul.git
290 lines
6.3 KiB
Go
290 lines
6.3 KiB
Go
package api
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import (
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crand "crypto/rand"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"os/exec"
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"testing"
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"time"
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"github.com/hashicorp/consul/testutil"
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)
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type testServer struct {
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pid int
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dataDir string
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configFile string
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}
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type testPortConfig struct {
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DNS int `json:"dns,omitempty"`
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HTTP int `json:"http,omitempty"`
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RPC int `json:"rpc,omitempty"`
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SerfLan int `json:"serf_lan,omitempty"`
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SerfWan int `json:"serf_wan,omitempty"`
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Server int `json:"server,omitempty"`
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}
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type testAddressConfig struct {
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HTTP string `json:"http,omitempty"`
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}
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type testServerConfig struct {
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Bootstrap bool `json:"bootstrap,omitempty"`
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Server bool `json:"server,omitempty"`
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DataDir string `json:"data_dir,omitempty"`
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LogLevel string `json:"log_level,omitempty"`
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Addresses *testAddressConfig `json:"addresses,omitempty"`
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Ports testPortConfig `json:"ports,omitempty"`
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}
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// Callback functions for modifying config
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type configCallback func(c *Config)
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type serverConfigCallback func(c *testServerConfig)
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func defaultConfig() *testServerConfig {
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return &testServerConfig{
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Bootstrap: true,
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Server: true,
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LogLevel: "debug",
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Ports: testPortConfig{
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DNS: 19000,
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HTTP: 18800,
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RPC: 18600,
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SerfLan: 18200,
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SerfWan: 18400,
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Server: 18000,
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},
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}
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}
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func (s *testServer) stop() {
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defer os.RemoveAll(s.dataDir)
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defer os.RemoveAll(s.configFile)
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cmd := exec.Command("kill", "-9", fmt.Sprintf("%d", s.pid))
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if err := cmd.Run(); err != nil {
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panic(err)
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}
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}
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func newTestServer(t *testing.T) *testServer {
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return newTestServerWithConfig(t, func(c *testServerConfig) {})
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}
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func newTestServerWithConfig(t *testing.T, cb serverConfigCallback) *testServer {
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if path, err := exec.LookPath("consul"); err != nil || path == "" {
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t.Log("consul not found on $PATH, skipping")
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t.SkipNow()
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}
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pidFile, err := ioutil.TempFile("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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pidFile.Close()
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os.Remove(pidFile.Name())
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dataDir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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configFile, err := ioutil.TempFile("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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consulConfig := defaultConfig()
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consulConfig.DataDir = dataDir
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cb(consulConfig)
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configContent, err := json.Marshal(consulConfig)
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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 _, err := configFile.Write(configContent); err != nil {
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t.Fatalf("err: %s", err)
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}
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configFile.Close()
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// Start the server
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cmd := exec.Command("consul", "agent", "-config-file", configFile.Name())
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Start(); err != nil {
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t.Fatalf("err: %s", err)
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}
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return &testServer{
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pid: cmd.Process.Pid,
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dataDir: dataDir,
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configFile: configFile.Name(),
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}
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}
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func makeClient(t *testing.T) (*Client, *testServer) {
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return makeClientWithConfig(t, func(c *Config) {
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c.Address = "127.0.0.1:18800"
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}, func(c *testServerConfig) {})
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}
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func makeClientWithConfig(t *testing.T, cb1 configCallback, cb2 serverConfigCallback) (*Client, *testServer) {
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// Make client config
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conf := DefaultConfig()
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cb1(conf)
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// Create client
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client, err := NewClient(conf)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Create server
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server := newTestServerWithConfig(t, cb2)
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// Allow the server some time to start, and verify we have a leader.
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testutil.WaitForResult(func() (bool, error) {
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req := client.newRequest("GET", "/v1/catalog/nodes")
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_, resp, err := client.doRequest(req)
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if err != nil {
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return false, err
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}
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resp.Body.Close()
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// Ensure we have a leader and a node registeration
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if leader := resp.Header.Get("X-Consul-KnownLeader"); leader != "true" {
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return false, fmt.Errorf("Consul leader status: %#v", leader)
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}
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if resp.Header.Get("X-Consul-Index") == "0" {
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return false, fmt.Errorf("Consul index is 0")
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}
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return true, nil
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}, func(err error) {
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t.Fatalf("err: %s", err)
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})
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return client, server
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}
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func testKey() string {
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buf := make([]byte, 16)
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if _, err := crand.Read(buf); err != nil {
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panic(fmt.Errorf("Failed to read random bytes: %v", err))
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}
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return fmt.Sprintf("%08x-%04x-%04x-%04x-%12x",
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buf[0:4],
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buf[4:6],
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buf[6:8],
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buf[8:10],
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buf[10:16])
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}
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func TestSetQueryOptions(t *testing.T) {
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c, s := makeClient(t)
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defer s.stop()
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r := c.newRequest("GET", "/v1/kv/foo")
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q := &QueryOptions{
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Datacenter: "foo",
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AllowStale: true,
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RequireConsistent: true,
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WaitIndex: 1000,
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WaitTime: 100 * time.Second,
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Token: "12345",
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}
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r.setQueryOptions(q)
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if r.params.Get("dc") != "foo" {
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t.Fatalf("bad: %v", r.params)
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}
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if _, ok := r.params["stale"]; !ok {
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t.Fatalf("bad: %v", r.params)
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}
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if _, ok := r.params["consistent"]; !ok {
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t.Fatalf("bad: %v", r.params)
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}
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if r.params.Get("index") != "1000" {
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t.Fatalf("bad: %v", r.params)
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}
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if r.params.Get("wait") != "100000ms" {
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t.Fatalf("bad: %v", r.params)
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}
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if r.params.Get("token") != "12345" {
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t.Fatalf("bad: %v", r.params)
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}
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}
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func TestSetWriteOptions(t *testing.T) {
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c, s := makeClient(t)
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defer s.stop()
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r := c.newRequest("GET", "/v1/kv/foo")
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q := &WriteOptions{
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Datacenter: "foo",
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Token: "23456",
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}
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r.setWriteOptions(q)
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if r.params.Get("dc") != "foo" {
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t.Fatalf("bad: %v", r.params)
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}
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if r.params.Get("token") != "23456" {
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t.Fatalf("bad: %v", r.params)
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}
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}
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func TestRequestToHTTP(t *testing.T) {
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c, s := makeClient(t)
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defer s.stop()
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r := c.newRequest("DELETE", "/v1/kv/foo")
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q := &QueryOptions{
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Datacenter: "foo",
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}
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r.setQueryOptions(q)
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req, err := r.toHTTP()
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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 req.Method != "DELETE" {
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t.Fatalf("bad: %v", req)
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}
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if req.URL.RequestURI() != "/v1/kv/foo?dc=foo" {
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t.Fatalf("bad: %v", req)
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}
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}
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func TestParseQueryMeta(t *testing.T) {
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resp := &http.Response{
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Header: make(map[string][]string),
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}
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resp.Header.Set("X-Consul-Index", "12345")
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resp.Header.Set("X-Consul-LastContact", "80")
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resp.Header.Set("X-Consul-KnownLeader", "true")
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qm := &QueryMeta{}
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if err := parseQueryMeta(resp, qm); err != nil {
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t.Fatalf("err: %v", err)
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}
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if qm.LastIndex != 12345 {
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t.Fatalf("Bad: %v", qm)
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}
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if qm.LastContact != 80*time.Millisecond {
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t.Fatalf("Bad: %v", qm)
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}
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if !qm.KnownLeader {
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t.Fatalf("Bad: %v", qm)
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}
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}
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