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如何在使用 gcloud 启动的服务器完全启动时收到通知

tag-icon • tag-icon kernel startup google-compute-engine gcloud
如何在使用 gcloud 启动的服务器完全启动时收到通知

有没有办法检测服务器何时完全启动（即完成所有内核启动任务）？这是一个 Google Compute Engine 实例。

Nov 18 10:58:51 image-name google: No startup script found in metadata.
Nov 18 10:58:53 image-name kernel: [   27.491829] aufs au_opts_verify:1570:docker[2414]: dirperm1 breaks the protection by the permission bits on the lower branch
Nov 18 10:58:53 image-name kernel: [   27.703142] aufs au_opts_verify:1570:docker[2414]: dirperm1 breaks the protection by the permission bits on the lower branch
Nov 18 10:58:53 image-name kernel: [   27.735867] aufs au_opts_verify:1570:docker[2414]: dirperm1 breaks the protection by the permission bits on the lower branch
Nov 18 10:58:53 image-name kernel: [   27.771732] aufs au_opts_verify:1570:docker[2260]: dirperm1 breaks the protection by the permission bits on the lower branch
Nov 18 10:58:53 image-name kernel: [   27.797540] device vethfa3ab85 entered promiscuous mode
Nov 18 10:58:53 image-name kernel: [   27.804420] IPv6: ADDRCONF(NETDEV_UP): vethfa3ab85: link is not ready
Nov 18 10:58:53 image-name kernel: [   28.028306] IPv6: ADDRCONF(NETDEV_CHANGE): vethfa3ab85: link becomes ready
Nov 18 10:58:53 image-name kernel: [   28.035505] docker0: port 1(vethfa3ab85) entered forwarding state
Nov 18 10:58:53 image-name kernel: [   28.041963] docker0: port 1(vethfa3ab85) entered forwarding state
Nov 18 10:58:53 image-name kernel: [   28.048532] IPv6: ADDRCONF(NETDEV_CHANGE): docker0: link becomes ready
Nov 18 10:58:54 image-name kernel: [   28.980082] IPv6: eth0: IPv6 duplicate address fe80::42:acff:fe11:1 detected!
Nov 18 10:59:08 image-name kernel: [   43.068094] docker0: port 1(vethfa3ab85) entered forwarding state
Nov 18 10:59:53 image-name kernel: [   87.944452] aufs au_opts_verify:1570:docker[2864]: dirperm1 breaks the protection by the permission bits on the lower branch
Nov 18 10:59:53 image-name kernel: [   88.001012] aufs au_opts_verify:1570:docker[2864]: dirperm1 breaks the protection by the permission bits on the lower branch
Nov 18 10:59:53 image-name kernel: [   88.049510] aufs au_opts_verify:1570:docker[2815]: dirperm1 breaks the protection by the permission bits on the lower branch

我的问题是，当内核进度低于 30% 且某些进程尚未启动时，我可以使用 SSH 连接到它。我想以某种方式检测服务器是否已完成启动。

答案1

您可以创建自己的脚本来频繁调用以下命令：

gcloud compute instances get-serial-port-output INSTANCE_NAME

串行端口输出将为您提供实例上的所有日志，包括启动的服务。

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