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kubectl get pod # 以下为执行kubectl get pod命令的输出结果 NAME READY STATUS RESTARTS AGE celery-beat-5fb59494c6-mxn2f 1/1 Running 0 12d celery-quick-dd7bdc486-cn5pf 1/1 Running 0 12d celery-slow-67986d56b9-89frc 1/1 Running 0 12d default-http-backend-7c9558dbb6-pdffv 1/1 Running 7 415d deploy-server-65d78f8d8b-qb82v 1/1 Running 8 415d deploy-server-schedule-7dc9fc44dd-kk7l9 1/1 Running 9 415d elasticsearch-7d7974d7cd-w9frq 1/1 Running 0 157d hcm-cloud-6b96f8f889-6bc79 1/1 Running 0 12d hcm-cloud-6b96f8f889-f9smh 1/1 Running 0 12d hcm-core-7f77d86578-67czb 1/1 Running 0 12d hcm-office-5c549c7c7c-gs2zv 1/1 Running 108 554d hcm-script-7c797b9dc7-pjx7h 1/1 Running 30 12d nginx-ingress-controller-bkkqs 1/1 Running 9 554d redis-656865c997-dnxtj 1/1 Running 7 547d redis-background-6b68b554b6-ml5qt 1/1 Running 0 148d redis-monitor-68d449c998-l4l6g 1/1 Running 7 554d # 根据输出结果，我们需要关注的内容如下 # READY状态是不是 1/1，比如0/1（同时，status 为Running状态）说明服务器启动还没有成功，需要继续等待 # 如果STATUS非Running状态等其他状态，说明服务不可用。请联系部署老师帮忙分析查看 # AGE列为pod的运行时间长度，后面的单位d为day的缩写，也就是天数；刚开始启动运行单位是s代表是秒，然后是m代表是分钟，然后是h代表是小时 kubectl get pod -owide # 该命令可以查询更详细的信息，比如一个pod是运行在那台服务器上等信息 NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES celery-beat-5fb59494c6-mxn2f 1/1 Running 0 12d 172.20.0.234 192.168.0.59 <none> <none> celery-quick-dd7bdc486-cn5pf 1/1 Running 0 12d 172.20.0.238 192.168.0.59 <none> <none> celery-slow-67986d56b9-89frc 1/1 Running 0 12d 172.20.0.240 192.168.0.59 <none> <none> default-http-backend-7c9558dbb6-pdffv 1/1 Running 7 415d 172.20.0.59 192.168.0.59 <none> <none> deploy-server-65d78f8d8b-qb82v 1/1 Running 8 415d 172.20.0.71 192.168.0.59 <none> <none> deploy-server-schedule-7dc9fc44dd-kk7l9 1/1 Running 9 415d 172.20.0.67 192.168.0.59 <none> <none> elasticsearch-7d7974d7cd-w9frq 1/1 Running 0 157d 172.20.0.111 192.168.0.59 <none> <none> hcm-cloud-6b96f8f889-6bc79 1/1 Running 0 12d 172.20.0.231 192.168.0.59 <none> <none> hcm-cloud-6b96f8f889-f9smh 1/1 Running 0 12d 172.20.0.237 192.168.0.59 <none> <none> hcm-core-7f77d86578-67czb 1/1 Running 0 12d 172.20.0.241 192.168.0.59 <none> <none> hcm-office-5c549c7c7c-gs2zv 1/1 Running 108 554d 172.20.0.50 192.168.0.59 <none> <none> hcm-script-7c797b9dc7-pjx7h 1/1 Running 30 12d 172.20.0.233 192.168.0.59 <none> <none> nginx-ingress-controller-bkkqs 1/1 Running 9 554d 172.20.0.68 192.168.0.59 <none> <none> redis-656865c997-dnxtj 1/1 Running 7 547d 172.20.0.51 192.168.0.59 <none> <none> redis-background-6b68b554b6-ml5qt 1/1 Running 0 148d 172.20.0.122 192.168.0.59 <none> <none> redis-monitor-68d449c998-l4l6g 1/1 Running 7 554d 172.20.0.66 192.168.0.59 <none> <none> |
03.3 kubectl子命令logs
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# 假设，我们要查看pod：hcm-core-7f77d86578-67czb 的日志，那么命令如下
kubectl logs -f --tail=200 hcm-core-7f77d86578-67czb
# -f 参数是然日志进行流式输出，默认我们需要加上这个参数
# --tail=200 查看该pod的最后两百行进行输出，同时会一直刷新最新接收到的日志到当前屏幕 |
依照上述示例，我们当我们需要在真实环境中查看指定pod日志的时候，我们只需要对pod名字进行替换即可。当然，我们不知道具体pod名字的时候，我们需要通过命令kubectl get pod查看具体pod名字 。
03.4 kubectl子命令exec
03.5 kubectl子命令describe
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