[jenkinsci/blueocean][NodeJS]bash: node: command not found

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在Jenkins官网教程在Docker中下载并运行Jenkins中推荐使用jenkinsci/blueocean，运行后发现其对于NodeJS的支持并不完善

NodeJS配置

由于之前已经使用镜像jenkins/jenkins，并保存在卷jenkins_home中，所以已经安装了插件NodeJS，具体操作参考[Jenkins]Pipeline工程配置NodeJS环境

env: ‘node’: No such file or directory

执行配置好的Pipeline工程，出现如下错误：

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$ /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/npm install -g hexo gulp
env: ‘node’: No such file or directory
[Pipeline] envVarsForTool
$ /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/npm install -g hexo gulp
env: ‘node’: No such file or directory

问题解析

发现这个问题后，就手动登录了jenkinsci/blueocean镜像，在目录/var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/下找到了已下载好的node/npm/npx，执行命令时发现出错

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bash-4.4# node
bash: node: command not found

即使配置环境变量PATH后仍旧会出错，在网上找到不少参考，发现这是个普遍的问题：

有人提议不使用NodeJS插件，而是通过手动安装nodejs的方式完成配置

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apk add nodejs

不过尝试后发现也不靠谱，无法成功安装NodeJS，最后在网上发现一个讨论Jenkins NodeJSPlugin node command not found，发现在docker-apline镜像中存在node依赖问题

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bash-4.4# ldd /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/node
	/lib64/ld-linux-x86-64.so.2 (0x7fbc31123000)
	libdl.so.2 => /lib64/ld-linux-x86-64.so.2 (0x7fbc31123000)
	libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x7fbc30fce000)
	libm.so.6 => /lib64/ld-linux-x86-64.so.2 (0x7fbc31123000)
	libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x7fbc30fba000)
	libpthread.so.0 => /lib64/ld-linux-x86-64.so.2 (0x7fbc31123000)
	libc.so.6 => /lib64/ld-linux-x86-64.so.2 (0x7fbc31123000)
Error relocating /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/node: gnu_get_libc_version: symbol not found
Error relocating /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/node: __register_atfork: symbol not found
Error relocating /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/node: secure_getenv: symbol not found
Error relocating /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/node: setcontext: symbol not found
Error relocating /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/node: makecontext: symbol not found
Error relocating /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/node: backtrace: symbol not found
Error relocating /var/jenkins_home/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin/node: getcontext: symbol not found

解决方案

使用之前的镜像jenkins/jenkins

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jenkins@5716bdc1c160:~/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin$ ldd node
	linux-vdso.so.1 (0x00007ffeb7dcb000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f00a6913000)
	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f00a6591000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f00a628d000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f00a6076000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f00a5e59000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f00a5aba000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f00a6b17000)
jenkins@5716bdc1c160:~/tools/jenkins.plugins.nodejs.tools.NodeJSInstallation/node/bin$ ./node -v
v13.10.1