[英]Docker Swarm: Service keep on getting Ready & Shutdown
我有幾個 docker 群節點,當嘗試使用以下命令在 Leader 上創建service
時。 服務創建過程仍在進行中,現在已經超過 40 分鍾。
docker service create \
--mode global \
--mount type=bind,src=/project/m32/,dst=/root/m32/ \
--publish mode=host,target=310,published=310 \
--publish mode=host,target=311,published=311 \
--publish mode=host,target=312,published=312 \
--publish mode=host,target=313,published=313 \
--constraint "node.labels.m32 == true" \
--name m32 \
local-registry/ubuntu:07
overall progress: 1 out of 2 tasks
ew0edluvz39p: ready [======================================> ]
kzc7jf7irsrh: running [==================================================>]
從服務過程開始,一直顯示為Ready
和Shutdown
$ docker service ps m32
ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
s4q0rqrqbpdn m32.ew0edluvz39pazold0wnv2ean local-registry/ubuntu:07 sl-089 Ready Ready 1 second ago
r6vibgptm5oc \_ m32.ew0edluvz39pazold0wnv2ean local-registry/ubuntu:07 sl-089 Shutdown Complete 1 second ago
joq2p6c9jpnx \_ m32.ew0edluvz39pazold0wnv2ean local-registry/ubuntu:07 sl-089 Shutdown Complete 7 seconds ago
a5h8gac02vfx \_ m32.ew0edluvz39pazold0wnv2ean local-registry/ubuntu:07 sl-089 Shutdown Complete 13 seconds ago
f51stfsdlhvp \_ m32.ew0edluvz39pazold0wnv2ean local-registry/ubuntu:07 sl-089 Shutdown Complete 19 seconds ago
zqcbxkm4fwhr m32.kzc7jf7irsrhnx3kurcwqjb2j local-registry/ubuntu:07 sl-090 Ready Ready less than a second ago
za8efvi9x4yw \_ m32.kzc7jf7irsrhnx3kurcwqjb2j local-registry/ubuntu:07 sl-090 Shutdown Complete less than a second ago
$ sudo systemctl status docker.service
Nov 24 19:58:48 svr2 dockerd[2797]: time="2021-11-24T19:58:48.200421563+05:30" level=info msg="ignoring event" container=ea8b76fedb18159ba0cd8f279a9ca4264399c>
Nov 24 20:01:39 svr2 dockerd[2797]: time="2021-11-24T20:01:39.602028420+05:30" level=info msg="NetworkDB stats svr2(00bbf0799aa6) - netID:ubuzyty9mq4tb7xyb>
Nov 24 20:06:39 svr2 dockerd[2797]: time="2021-11-24T20:06:39.802013427+05:30" level=info msg="NetworkDB stats svr2(00bbf0799aa6) - netID:ubuzyty9mq4tb7xyb>
Nov 24 20:11:40 svr2 dockerd[2797]: time="2021-11-24T20:11:40.001992437+05:30" level=info msg="NetworkDB stats svr2(00bbf0799aa6) - netID:ubuzyty9mq4tb7xyb>
Nov 24 20:14:17 svr2 dockerd[2797]: time="2021-11-24T20:14:17.871605342+05:30" level=error msg="Error getting service xkauq9a599iv: service xkauq9a599iv not f>
Nov 24 20:14:52 svr2 dockerd[2797]: time="2021-11-24T20:14:52.833890158+05:30" level=error msg="Error getting service xkauq9a599iv: service xkauq9a599iv not f>
Nov 24 20:15:12 svr2 dockerd[2797]: time="2021-11-24T20:15:12.395692837+05:30" level=error msg="Error getting service pwaa8cvdd683: service pwaa8cvdd683 not f>
Nov 24 20:15:17 svr2 dockerd[2797]: time="2021-11-24T20:15:17.773200054+05:30" level=error msg="Error getting service xk0v0g2roypx: service xk0v0g2roypx not f>
Nov 24 20:16:18 svr2 dockerd[2797]: time="2021-11-24T20:16:18.529344060+05:30" level=error msg="Error getting service xk0v0g2roypx: service xk0v0g2roypx not f>
Nov 24 20:16:40 svr2 dockerd[2797]: time="2021-11-24T20:16:40.201888504+05:30" level=info msg="NetworkDB stats svr2(00bbf0799aa6) - netID:ubuzyty9mq4tb7xyb>
它看起來循環過程繼續創建容器。 我的方式有什么問題? 任何解決此問題的幫助將不勝感激。 謝謝
您確實需要將--restart-max-attempts 5
傳遞給您的 docker 服務創建,以確保服務不會在循環中啟動太多次。 不利於docker的穩定性,難以調試。 而是讓任務放棄並停止,這樣您就可以看到有問題並進行診斷。
要具體查看問題所在,您需要查看每個任務的日志。 您使用各個任務 ID 來查看每個任務失敗的原因:
# The logs for a task
docker service logs s4q0rqrqbpdn
# A general breakdown of a task
docker inspect s4q0rqrqbpdn
有時您需要跟蹤任務的實際容器並進行檢查。 docker container
不支持群,所以
# list the service showing the full task id.
docker service ps <service> --no-trunc
# then docker context use <node> / ssh <node> to switch to a node of interest.
# Then, the container name is the "ID"."NAME" from the PS list. For example:
docker context use sl-089
docker container inspect m32.ew0edluvz39pazold0wnv2ean.s4q0rqrqbpdnABCDEFGABCDEFG
檢查容器可以顯示它是否由於 OOM 或某些其他不會出現的原因而被殺死。
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