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Check if hostname is resolvable before running agent

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This commit is contained in:
galal-hussein 2019-05-01 22:54:05 +02:00
parent 0726ce75e9
commit 7e1699cda0
1 changed files with 13 additions and 0 deletions
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13
pkg/agent/config/config.go
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@ -253,6 +253,8 @@ func get(envInfo *cmds.Agent) (*config.Node, error) {
return nil, err return nil, err
} }
hostnameCheck(nodeName)
nodeCertFile := filepath.Join(envInfo.DataDir, "token-node.crt") nodeCertFile := filepath.Join(envInfo.DataDir, "token-node.crt")
nodeKeyFile := filepath.Join(envInfo.DataDir, "token-node.key") nodeKeyFile := filepath.Join(envInfo.DataDir, "token-node.key")
nodePasswordFile := filepath.Join(envInfo.DataDir, "node-password.txt") nodePasswordFile := filepath.Join(envInfo.DataDir, "node-password.txt")
@ -348,3 +350,14 @@ func getConfig(info *clientaccess.Info) (*config.Control, error) {
controlControl := &config.Control{} controlControl := &config.Control{}
return controlControl, json.Unmarshal(data, controlControl) return controlControl, json.Unmarshal(data, controlControl)
} }
func hostnameCheck(hostname string) {
for {
_, err := sysnet.LookupHost(hostname)
if err == nil {
break
}
logrus.Infof("Waiting for hostname %s to be resolvable: %v", hostname, err)
time.Sleep(2 * time.Second)
}
}