问题
在 Bitbucket 使用 Linux 机器上 ssh-keygen 工具生成的公钥作为 API KEY，然后在 Jenkins 里面存储对应的 SSH 私钥，最后执行 Job 的时候，Windows Agent 提示 SSH 密钥不正确。
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> git fetch --tags --force --progress -- ssh://git@bitbucket.xxxxx.com:7999/xxxx.git +refs/heads/*:refs/remotes/origin/* # timeout=10
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from git@bitbucket.xxxxx.com:7999/xxxx.git
at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:1001)
at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1242)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1302)
at org.jenkinsci.plugins.workflow.steps.scm.SCMStep.checkout(SCMStep.java:129)
at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:97)
at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:84)
at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --force --progress -- ssh://git@bitbucket.xxxxx.com:7999/xxxx.git +refs/heads/*:refs/remotes/origin/*" returned status code 128:
stdout:
stderr: git@bitbucket.xxxxx.com: Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2671)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2096)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$500(CliGitAPIImpl.java:84)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:618)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:158)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:151)
at hudson.remoting.UserRequest.perform(UserRequest.java:211)
at hudson.remoting.UserRequest.perform(UserRequest.java:54)
at hudson.remoting.Request$2.run(Request.java:376)
at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:78)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:122)
at java.lang.Thread.run(Unknown Source)
Suppressed: hudson.remoting.Channel$CallSiteStackTrace: Remote call to xxx-xxx-xxx.xxx.xxx
at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1797)
at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:356)
at hudson.remoting.Channel.call(Channel.java:1001)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:143)
at jdk.internal.reflect.GeneratedMethodAccessor8221.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:129)
at com.sun.proxy.$Proxy126.execute(Unknown Source)
at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:999)
at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1242)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1302)
at org.jenkinsci.plugins.workflow.steps.scm.SCMStep.checkout(SCMStep.java:129)
at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:97)
at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:84)
at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
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最后登录到对应的 Windows 节点，直接使用 git clone 命令也是这样，说明不是 Jenkins 的权限问题。
查询资料得知，出现这种情况需要将对应公钥(id_rsa)与私钥文件(id_rsa.pub) 复制到 Jenkins Agent 执行用户的 HOME 目录下的 .ssh 文件夹。
普通用户的 HOME 目录就是 echo $HOME，一般也就是 C:\User\UserName 的路径。但是 Jenkins Agent 一旦作为服务执行，那么他的执行用户就是 SYSTEM ACCOUNT，它的 HOME 目录路径是 C:\WINDOWS\system32\config\systemprofile\.ssh 。
根据上述情况试了，还是没有解决，不管是 ssh-add xxx，还是更改 Git 的 SSH CONFIG 文件都无法解决。