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本分分享如何对 Helm 安装的 Runner 进行升级。整个过程分为三步：1、确定 Runner 最新版本或者想要升级的版本是否存在；2、用 Helm upgrade 命令进行升级；3、升级确认。
极狐GitLab 为 GitLab 的中国发行版，中文版本对中国用户更友好，可以一键私有化部署，安装升级详情可以查看官网。
前提
- 用 Helm 安装且运行正常的 Runner
关于使用 Helm 进行极狐GitLab Runner，可以参考文章如何用 Helm 安装特定版本的 GitLab Runner？，然后查看 Runner 的版本和运行状况：
# 查看 Helm Release 以及 Runner 的版本
helm ls --namespace jh-gitlab-runner
NAME NAMESPACE REVISION UPDATED STATUS CHART APP VERSION
jh-gitlab-runner jh-gitlab-runner 1 2024-09-11 06:50:17.139514892 +0000 UTC deployed gitlab-runner-0.68.0 17.3.0# 查看 Runner 的运行状态
kubectl -n jh-gitlab-runner get pods
NAME READY STATUS RESTARTS AGE
jh-gitlab-runner-gitlab-runner-5c558fb88b-lnfxm 1/1 Running 0 42h
查找 Runner 版本
升级的前提是确定想要升级到哪个版本，使用 Helm 安装的话，可以用 helm search命令来查找版本：
# 查找 Repo
helm repo list
NAME URL
jh-gitlab https://charts.gitlab.cn# 查找最近的 5 个版本
helm search repo jh-gitlab/gitlab-runner -l | head -5
NAME CHART VERSION APP VERSION DESCRIPTION
jh-gitlab/gitlab-runner 0.68.1 17.3.1 GitLab Runner
jh-gitlab/gitlab-runner 0.68.0 17.3.0 GitLab Runner
jh-gitlab/gitlab-runner 0.67.0 17.2.0 GitLab Runner
jh-gitlab/gitlab-runner 0.66.0 17.1.0 GitLab Runner
可以看到最新的版本是 17.3.1，而当前安装的是 17.3.0。接下来就准备升级到 17.3.1。
Runner 的升级
执行 helm upgrade即可完成升级，升级过程中可以使用 --version执行想要升级的版本
helm upgrade --namespace jh-gitlab-runner -f values.yaml jh-gitlab-runner jh-gitlab/gitlab-runner --version 0.68.1
W0913 01:41:09.427151 715889 warnings.go:70] unknown field "spec.template.spec.containers[0].securityContext.fsGroup"
Release "jh-gitlab-runner" has been upgraded. Happy Helming!
NAME: jh-gitlab-runner
LAST DEPLOYED: Fri Sep 13 01:41:08 2024
NAMESPACE: jh-gitlab-runner
STATUS: deployed
REVISION: 2
TEST SUITE: None
NOTES:
Your GitLab Runner should now be registered against the GitLab instance reachable at: "http://jhma.jihulab.net"Runner namespace "jh-gitlab-runner" was found in runners.config template.#############################################################################################
## WARNING: You enabled `rbac` without specifying if a service account should be created. ##
## Please set `serviceAccount.create` to either `true` or `false`. ##
## For backwards compatibility a service account will be created. ##
#############################################################################################
可以看到 Runner pod 的状态变化
kubectl -n jh-gitlab-runner get pods -w
NAME READY STATUS RESTARTS AGE
jh-gitlab-runner-gitlab-runner-5c558fb88b-lnfxm 1/1 Running 0 42h
jh-gitlab-runner-gitlab-runner-b444666d-fn7l9 0/1 Running 0 26s
jh-gitlab-runner-gitlab-runner-b444666d-fn7l9 1/1 Running 0 70s
jh-gitlab-runner-gitlab-runner-5c558fb88b-lnfxm 1/1 Terminating 0 42h
Runner 升级确认
用 helm ls确认 Runner 的版本信息
helm ls --namespace jh-gitlab-runner
NAME NAMESPACE REVISION UPDATED STATUS CHART APP VERSION
jh-gitlab-runner jh-gitlab-runner 2 2024-09-13 01:41:08.757879746 +0000 UTC deployed gitlab-runner-0.68.1 17.3.1
可以看到版本从 17.3.0 升级到了 17.3.1。可以在 Runner 管理界面再次确认
在界面上同样可以看到 Runner 到了 17.3.1。