func NewClient(address, dc, aclToken string) (*ConsulAlertClient, error) {
config := consulapi.DefaultConfig()
config.Address = address
config.Datacenter = dc
config.Token = aclToken
api, _ := consulapi.NewClient(config)
alertConfig := DefaultAlertConfig()
client := &ConsulAlertClient{
api: api,
config: alertConfig,
}
try := 1
for {
try += try
log.Println("Checking consul agent connection...")
_, err := client.api.Status().Leader()
if err != nil {
log.Println("Waiting for consul:", err)
if try > 10 {
return nil, err
}
time.Sleep(10000 * time.Millisecond)
} else {
break
}
}
client.LoadConfig()
client.UpdateCheckData()
return client, nil
}
// ConsulClient is a helper to create the consulapi client for access to the Consul cluster.
func (c *Candidate) consulClient() *consulapi.Client {
config := consulapi.DefaultConfig()
if c.ConsulAddress != "" {
config.Address = c.ConsulAddress
}
if c.ConsulDatacenter != "" {
config.Datacenter = c.ConsulDatacenter
}
if c.ConsulAclToken != "" {
config.Token = c.ConsulAclToken
}
client, _ := consulapi.NewClient(config)
return client
}
func startLeaderElection(addr, dc, acl string) *LeaderElection {
config := consulapi.DefaultConfig()
config.Address = addr
config.Datacenter = dc
config.Token = acl
client, _ := consulapi.NewClient(config)
lock, _ := client.LockKey(LockKey)
leader := &LeaderElection{
lock: lock,
cleanupChannel: make(chan struct{}, 1),
stopChannel: make(chan struct{}, 1),
}
go leader.start()
return leader
}
func NewClient(address, dc, aclToken string) (*ConsulAlertClient, error) {
config := consulapi.DefaultConfig()
config.Address = address
config.Datacenter = dc
config.Token = aclToken
api, _ := consulapi.NewClient(config)
alertConfig := DefaultAlertConfig()
client := &ConsulAlertClient{
api: api,
config: alertConfig,
}
log.Println("Checking consul agent connection...")
if _, err := client.api.Status().Leader(); err != nil {
return nil, err
}
client.LoadConfig()
client.UpdateCheckData()
return client, nil
}