func start(flagSet *flag.FlagSet, path string, controller confab.Controller, agentClient *agent.Client) {
timeout := confab.NewTimeout(time.After(time.Duration(controller.Config.Confab.TimeoutInSeconds) * time.Second))
_, err := os.Stat(controller.Config.Path.ConsulConfigDir)
if err != nil {
printUsageAndExit(fmt.Sprintf("\"consul_config_dir\" %q could not be found",
controller.Config.Path.ConsulConfigDir), flagSet)
}
if len(agentClient.ExpectedMembers) == 0 {
printUsageAndExit("at least one \"expected-member\" must be provided", flagSet)
}
err = controller.WriteConsulConfig()
if err != nil {
stderr.Printf("error writing consul config file: %s", err)
os.Exit(1)
}
err = controller.WriteServiceDefinitions()
if err != nil {
stderr.Printf("error writing service definitions: %s", err)
os.Exit(1)
}
err = controller.BootAgent(timeout)
if err != nil {
stderr.Printf("error booting consul agent: %s", err)
exit(controller, 1)
}
if controller.Config.Consul.Agent.Mode == "server" {
configureServer(controller, agentClient, timeout)
} else {
configureClient(controller)
}
}
}
})
Describe("WriteConsulConfig", func() {
var configDir string
BeforeEach(func() {
var err error
configDir, err = ioutil.TempDir("", "")
Expect(err).NotTo(HaveOccurred())
controller.Config.Path.ConsulConfigDir = configDir
})
It("writes a config file to the consul_config dir", func() {
err := controller.WriteConsulConfig()
Expect(err).NotTo(HaveOccurred())
buf, err := ioutil.ReadFile(filepath.Join(configDir, "config.json"))
Expect(err).NotTo(HaveOccurred())
Expect(buf).To(MatchJSON(`{
"server": false,
"domain": "cf.internal",
"datacenter": "",
"data_dir": "/var/vcap/store/consul_agent",
"log_level": "",
"node_name": "node-0",
"ports": {
"dns": 53
},
"rejoin_after_leave": true,