以下代码是 Jenkins 中的“执行 Shell”构建步骤。该作业从包含文件的存储库中提取ranger-policies/policies.json。我想要做的是更新该文件（在本例中使用curl 命令），然后将更改提交到源代码管理并更新远程存储库。该作业已使用 SSH 密钥通过 SSH 从作业配置页面的“源代码管理”部分中的远程存储库成功拉取。但是，当作业到达“执行 Shell”步骤中的“git Push origin master”行时，我得到一个Permission denied (publickey)错误，就好像当我想要推送时，允许我成功拉取存储库的相同 SSH 密钥在“执行 Shell”步骤中不可用。
curl -X GET --header "text/json" -H "Content-Type: text/json" -u user:pass "http://my-url.com/exportJson" > ranger-policies/policies.json
git add ranger-policies/policies.json
git commit -m "udpate policies.json with latest ranger policies `echo "$(date +'%Y-%m-%d')"`"
git push origin master
我最终弄清楚了如何让它发挥作用。解决方案涉及使用 SSH 代理插件。以下是我的具体操作步骤，希望对其他人有所帮助：
Then, as hinted at in this https://gist.github.com/blaisep/eb8aa720b06eff4f095e4b64326961b5#file-jenkins-pipeline-git-cred-md post from Jenkins' documentation, go to the home screen for your new pipeline job, and click on "Pipeline Syntax." Choose "git: Git" as the "Sample Step, and enter the git repo you want to push to in the "Repository URL" field. Then choose the corresponding valid SSH keys for that repo from the "Credentials dropdown." Everything should look like this:
Grab the value of "credentialsId", highlighted with red in the above screenshot. You'll need it later.
安装“工作区清理插件”（https://wiki.jenkins.io/display/JENKINS/Workspace+Cleanup+Plugin https://wiki.jenkins.io/display/JENKINS/Workspace+Cleanup+Plugin，可选）和“SSH代理插件”（https://jenkins.io/doc/pipeline/steps/ssh-agent/ https://jenkins.io/doc/pipeline/steps/ssh-agent/，不是可选的，是此过程正常运行所必需的）。
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