Etcd命令随记：修订间差异
来自三线的随记
小无编辑摘要 |
小无编辑摘要 |
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| 第9行： | 第9行： | ||
=== 排障相关 === | === 排障相关 === | ||
* 如果etcd是基于k8s manifest启动的，在指定endpoints只能通过环境变量指定，或者在bash环境下unset environment variable "ETCDCTL_ENDPOINTS",不然会提示配置冲突 | * 如果etcd是基于k8s manifest启动的，在指定endpoints只能通过环境变量指定，或者在bash环境下unset environment variable "ETCDCTL_ENDPOINTS" 然后再通过参数传入,不然会提示配置冲突 | ||
2021-10-19 03:25:28.520086 C | pkg/flags: conflicting environment variable "ETCDCTL_ENDPOINTS" is shadowed by corresponding command-line flag (either unset environment variable or disable flag) | 2021-10-19 03:25:28.520086 C | pkg/flags: conflicting environment variable "ETCDCTL_ENDPOINTS" is shadowed by corresponding command-line flag (either unset environment variable or disable flag) | ||
==== etcd member list (v3 API) ==== | |||
* etcdctl member list | |||
[root@test kubelet]# docker exec -e "ETCDCTL_ENDPOINTS=<nowiki>https://192.168.150.12:12379,https://192.168.150.13:12379,https://192.168.150.14:12379</nowiki>" `docker ps | awk '/etcd /{print $1}'` etcdctl member list -w table | |||
+------------------+---------+-------------------------+-----------------------------+------------------------------+------------+ | |||
| ID | STATUS | NAME | PEER ADDRS | CLIENT ADDRS | IS LEARNER | | |||
+------------------+---------+-------------------------+-----------------------------+------------------------------+------------+ | |||
| 8a8a69237e3e00ef | started | dce-etcd-192.168.150.12 | <nowiki>http://192.168.150.12:12380</nowiki> | <nowiki>https://192.168.150.12:12379</nowiki> | false | | |||
| d58cc05313738455 | started | dce-etcd-192.168.150.13 | <nowiki>http://192.168.150.13:12380</nowiki> | <nowiki>https://192.168.150.13:12379</nowiki> | false | | |||
| ed2566e796a749a6 | started | dce-etcd-192.168.150.14 | <nowiki>http://192.168.150.14:12380</nowiki> | <nowiki>https://192.168.150.14:12379</nowiki> | false | | |||
+------------------+---------+-------------------------+-----------------------------+------------------------------+------------+ | |||
==== etcd endpoint health (v3 API) ==== | ==== etcd endpoint health (v3 API) ==== | ||
*f | |||
* etcdctl endpoint health | *etcdctl endpoint health | ||
docker exec -e "ETCDCTL_API=3" -e "ETCDCTL_ENDPOINTS=<nowiki>https://192.168.155.22:12379,https://192.168.155.23:12379,https://192.168.155.24:12379</nowiki>" etcd_container_name_or_id etcdctl endpoint health -w table | docker exec -e "ETCDCTL_API=3" -e "ETCDCTL_ENDPOINTS=<nowiki>https://192.168.155.22:12379,https://192.168.155.23:12379,https://192.168.155.24:12379</nowiki>" etcd_container_name_or_id etcdctl endpoint health -w table | ||
2022年12月21日 (三) 19:40的版本
切换 ETCDCTL version
with docker exec
docker exec -e "ETCDCTL_API=2" etcd_container_name_or_id etcdctl --help
env
export ETCDCTL_API=2
排障相关
- 如果etcd是基于k8s manifest启动的，在指定endpoints只能通过环境变量指定，或者在bash环境下unset environment variable "ETCDCTL_ENDPOINTS" 然后再通过参数传入,不然会提示配置冲突
2021-10-19 03:25:28.520086 C | pkg/flags: conflicting environment variable "ETCDCTL_ENDPOINTS" is shadowed by corresponding command-line flag (either unset environment variable or disable flag)
etcd member list (v3 API)
- etcdctl member list
[root@test kubelet]# docker exec -e "ETCDCTL_ENDPOINTS=https://192.168.150.12:12379,https://192.168.150.13:12379,https://192.168.150.14:12379" `docker ps | awk '/etcd /{print $1}'` etcdctl member list -w table
+------------------+---------+-------------------------+-----------------------------+------------------------------+------------+
| ID | STATUS | NAME | PEER ADDRS | CLIENT ADDRS | IS LEARNER |
+------------------+---------+-------------------------+-----------------------------+------------------------------+------------+
| 8a8a69237e3e00ef | started | dce-etcd-192.168.150.12 | http://192.168.150.12:12380 | https://192.168.150.12:12379 | false |
| d58cc05313738455 | started | dce-etcd-192.168.150.13 | http://192.168.150.13:12380 | https://192.168.150.13:12379 | false |
| ed2566e796a749a6 | started | dce-etcd-192.168.150.14 | http://192.168.150.14:12380 | https://192.168.150.14:12379 | false |
+------------------+---------+-------------------------+-----------------------------+------------------------------+------------+
etcd endpoint health (v3 API)
- f
- etcdctl endpoint health
docker exec -e "ETCDCTL_API=3" -e "ETCDCTL_ENDPOINTS=https://192.168.155.22:12379,https://192.168.155.23:12379,https://192.168.155.24:12379" etcd_container_name_or_id etcdctl endpoint health -w table +------------------------------+--------+--------------+-------+ | ENDPOINT | HEALTH | TOOK | ERROR | +------------------------------+--------+--------------+-------+ | https://192.168.155.23:12379 | true | 14.2308ms | | | https://192.168.155.22:12379 | true | 14.572283ms | | | https://192.168.155.24:12379 | true | 351.572429ms | | +------------------------------+--------+--------------+-------+
etcd endpoint status (v3 API)
- etcdctl endpoint status
docker exec -e "ETCDCTL_API=3" -e "ETCDCTL_ENDPOINTS=https://192.168.155.22:12379,https://192.168.155.23:12379,https://192.168.155.24:12379" etcd_container_name_or_id etcdctl endpoint status -w table +------------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ | ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS | +------------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ | https://192.168.155.22:12379 | 5710b6824446f271 | 3.4.1 | 35 MB | false | false | 52 | 7925759 | 7925759 | | | https://192.168.155.23:12379 | 2a8509b66bfae6b6 | 3.4.1 | 35 MB | true | false | 52 | 7925759 | 7925759 | | | https://192.168.155.24:12379 | 72f4884011f8a2b | 3.4.1 | 35 MB | false | false | 52 | 7925760 | 7925760 | | +------------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
etcd cluster-health (v2 API)
- etcdctl cluster-health
docker exec -e "ETCDCTL_API=2" -e "ETCDCTL_ENDPOINTS=https://192.168.155.22:12379,https://192.168.155.23:12379,https://192.168.155.24:12379" etcd_container_name_or_id etcdctl cluster-health member 72f4884011f8a2b is healthy: got healthy result from https://192.168.155.24:12379 member 2a8509b66bfae6b6 is healthy: got healthy result from https://192.168.155.23:12379 member 5710b6824446f271 is healthy: got healthy result from https://192.168.155.22:12379 cluster is healthy
docker exec -it -e ETCDCTL_API=2 `docker ps | awk '/etcd /{print $1}'` etcdctl cluster-health
