【故障排查】k8s/docker容器启动后报错 nginx: [emerg] unexpected end of parameter, expecting “；“ in command line

报错信息：

 kubectl apply -f 05-wp-dp.yaml <span class="token punctuation">[</span>root@master01 wordpressDemo<span class="token punctuation">]</span> nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> unexpected end of parameter, expecting <span class="token string">";"</span> <span class="token keyword">in</span> <span class="token builtin class-name">command</span> line  <span class="token function">docker</span> run -itd harbor.oldxu.net/base/wordpress:v6.0 <span class="token punctuation">[</span>root@node4 wordpress<span class="token punctuation">]</span> nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> unexpected end of parameter, expecting <span class="token string">";"</span> <span class="token keyword">in</span> <span class="token builtin class-name">command</span> line 
 kubectl apply -f 05-wp-dp.yaml <span class="token punctuation">[</span>root@master01 wordpressDemo<span class="token punctuation">]</span> nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> unexpected end of parameter, expecting <span class="token string">";"</span> <span class="token keyword">in</span> <span class="token builtin class-name">command</span> line  <span class="token function">docker</span> run -itd harbor.oldxu.net/base/wordpress:v6.0 <span class="token punctuation">[</span>root@node4 wordpress<span class="token punctuation">]</span> nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> unexpected end of parameter, expecting <span class="token string">";"</span> <span class="token keyword">in</span> <span class="token builtin class-name">command</span> line 
 kubectl apply -f 05-wp-dp.yaml [root@master01 wordpressDemo] nginx: [emerg] unexpected end of parameter, expecting ";" in command line  docker run -itd harbor.oldxu.net/base/wordpress:v6.0 [root@node4 wordpress] nginx: [emerg] unexpected end of parameter, expecting ";" in command line 

处理方法：

entrypoint.sh的nginx启动方式nginx -g <span class="token string">"daemon off"</span>， 少写了 <span class="token punctuation">;</span> 号 ，将<span class="token punctuation">;</span>号补上，重新docker build 即可 <span class="token punctuation">[</span>root@node4 wordpress<span class="token punctuation">]</span> Dockerfile index.php readme.html wp-admin wp-comments-post.php wp-config-sample.php wp-cron.php wp-links-opml.php wp-login.php wp-settings.php wp-trackback.php entrypoint.sh license.txt wp-activate.php wp-blog-header.php wp-config.php wp-content wp-includes wp-load.php wp-mail.php wp-signup.php xmlrpc.php  <span class="token punctuation">[</span>root@node4 wordpress<span class="token punctuation">]</span> <span class="token assign-left variable">WordPress_File</span><span class="token operator">=</span>/usr/share/nginx/html/wp-config.php  php-fpm <span class="token operator">&&</span> <span class="token punctuation">\</span> nginx -g <span class="token string">"daemon off"</span> 
entrypoint.sh的nginx启动方式nginx -g <span class="token string">"daemon off"</span>， 少写了 <span class="token punctuation">;</span> 号 ，将<span class="token punctuation">;</span>号补上，重新docker build 即可 <span class="token punctuation">[</span>root@node4 wordpress<span class="token punctuation">]</span> Dockerfile index.php readme.html wp-admin wp-comments-post.php wp-config-sample.php wp-cron.php wp-links-opml.php wp-login.php wp-settings.php wp-trackback.php entrypoint.sh license.txt wp-activate.php wp-blog-header.php wp-config.php wp-content wp-includes wp-load.php wp-mail.php wp-signup.php xmlrpc.php  <span class="token punctuation">[</span>root@node4 wordpress<span class="token punctuation">]</span> <span class="token assign-left variable">WordPress_File</span><span class="token operator">=</span>/usr/share/nginx/html/wp-config.php  php-fpm <span class="token operator">&&</span> <span class="token punctuation">\</span> nginx -g <span class="token string">"daemon off"</span> 
entrypoint.sh的nginx启动方式nginx -g "daemon off"， 少写了 ; 号 ，将;号补上，重新docker build 即可 [root@node4 wordpress] Dockerfile index.php readme.html wp-admin wp-comments-post.php wp-config-sample.php wp-cron.php wp-links-opml.php wp-login.php wp-settings.php wp-trackback.php entrypoint.sh license.txt wp-activate.php wp-blog-header.php wp-config.php wp-content wp-includes wp-load.php wp-mail.php wp-signup.php xmlrpc.php  [root@node4 wordpress] WordPress_File=/usr/share/nginx/html/wp-config.php  php-fpm && \ nginx -g "daemon off" 

其他 & 排查过程 & 反思

Dockerfile的内容没错，entrypoint.sh文件有问题。 nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> unexpected end of parameter, expecting <span class="token string">";"</span> <span class="token keyword">in</span> <span class="token builtin class-name">command</span> line 没真正理解这个报错含义。开始以为是配置文件少<span class="token punctuation">;</span>号。 实际的定语 <span class="token keyword">in</span> <span class="token builtin class-name">command</span> line ，期待<span class="token punctuation">;</span>号。 （英文理解有待提升） nginx -g <span class="token string">"daemon off"</span> --改成--<span class="token operator">></span> nginx -g <span class="token string">"daemon off;"</span> 单独部署nginx服务，使用nginx -t 检查blog.oldxu.net.conf的语法是OK的。将其configmap化，dp调用他。 或者dp中注释它还是报这错。 然后dp换了oldxu的镜像（oldxu3957/wordpress:v6.0），能正常运行，也说明cm是没问题的。 而问题所在是dockerfile构建出来的镜像运行有问题。 
Dockerfile的内容没错，entrypoint.sh文件有问题。 nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> unexpected end of parameter, expecting <span class="token string">";"</span> <span class="token keyword">in</span> <span class="token builtin class-name">command</span> line 没真正理解这个报错含义。开始以为是配置文件少<span class="token punctuation">;</span>号。 实际的定语 <span class="token keyword">in</span> <span class="token builtin class-name">command</span> line ，期待<span class="token punctuation">;</span>号。 （英文理解有待提升） nginx -g <span class="token string">"daemon off"</span> --改成--<span class="token operator">></span> nginx -g <span class="token string">"daemon off;"</span> 单独部署nginx服务，使用nginx -t 检查blog.oldxu.net.conf的语法是OK的。将其configmap化，dp调用他。 或者dp中注释它还是报这错。 然后dp换了oldxu的镜像（oldxu3957/wordpress:v6.0），能正常运行，也说明cm是没问题的。 而问题所在是dockerfile构建出来的镜像运行有问题。 
Dockerfile的内容没错，entrypoint.sh文件有问题。 nginx: [emerg] unexpected end of parameter, expecting ";" in command line 没真正理解这个报错含义。开始以为是配置文件少;号。 实际的定语 in command line ，期待;号。 （英文理解有待提升） nginx -g "daemon off" --改成--> nginx -g "daemon off;" 单独部署nginx服务，使用nginx -t 检查blog.oldxu.net.conf的语法是OK的。将其configmap化，dp调用他。 或者dp中注释它还是报这错。 然后dp换了oldxu的镜像（oldxu3957/wordpress:v6.0），能正常运行，也说明cm是没问题的。 而问题所在是dockerfile构建出来的镜像运行有问题。 

实际上conf文件少<span class="token punctuation">;</span>号的报错信息如下： <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span>  nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> invalid parameter <span class="token string">"server_name"</span> <span class="token keyword">in</span> /etc/nginx/conf.d/blog.oldxu.net.conf:3 nginx: configuration <span class="token function">file</span> /etc/nginx/nginx.conf <span class="token builtin class-name">test</span> failed <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span> <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span>  nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> invalid number of arguments <span class="token keyword">in</span> <span class="token string">"fastcgi_param"</span> directive <span class="token keyword">in</span> /etc/nginx/conf.d/blog.oldxu.net.conf:13 nginx: configuration <span class="token function">file</span> /etc/nginx/nginx.conf <span class="token builtin class-name">test</span> failed <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span> <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span> <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span>  nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> unexpected end of file, expecting <span class="token string">"}"</span> <span class="token keyword">in</span> /etc/nginx/conf.d/blog.oldxu.net.conf:16 nginx: configuration <span class="token function">file</span> /etc/nginx/nginx.conf <span class="token builtin class-name">test</span> failed 
实际上conf文件少<span class="token punctuation">;</span>号的报错信息如下： <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span>  nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> invalid parameter <span class="token string">"server_name"</span> <span class="token keyword">in</span> /etc/nginx/conf.d/blog.oldxu.net.conf:3 nginx: configuration <span class="token function">file</span> /etc/nginx/nginx.conf <span class="token builtin class-name">test</span> failed <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span> <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span>  nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> invalid number of arguments <span class="token keyword">in</span> <span class="token string">"fastcgi_param"</span> directive <span class="token keyword">in</span> /etc/nginx/conf.d/blog.oldxu.net.conf:13 nginx: configuration <span class="token function">file</span> /etc/nginx/nginx.conf <span class="token builtin class-name">test</span> failed <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span> <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span> <span class="token punctuation">[</span>root@node-2 conf.d<span class="token punctuation">]</span>  nginx: <span class="token punctuation">[</span>emerg<span class="token punctuation">]</span> unexpected end of file, expecting <span class="token string">"}"</span> <span class="token keyword">in</span> /etc/nginx/conf.d/blog.oldxu.net.conf:16 nginx: configuration <span class="token function">file</span> /etc/nginx/nginx.conf <span class="token builtin class-name">test</span> failed 
实际上conf文件少;号的报错信息如下： [root@node-2 conf.d]  nginx: [emerg] invalid parameter "server_name" in /etc/nginx/conf.d/blog.oldxu.net.conf:3 nginx: configuration file /etc/nginx/nginx.conf test failed [root@node-2 conf.d] [root@node-2 conf.d]  nginx: [emerg] invalid number of arguments in "fastcgi_param" directive in /etc/nginx/conf.d/blog.oldxu.net.conf:13 nginx: configuration file /etc/nginx/nginx.conf test failed [root@node-2 conf.d] [root@node-2 conf.d] [root@node-2 conf.d]  nginx: [emerg] unexpected end of file, expecting "}" in /etc/nginx/conf.d/blog.oldxu.net.conf:16 nginx: configuration file /etc/nginx/nginx.conf test failed 

反思

粗心了，漏写 抄错。。。 百度和gpt搜出来的东西，作为参考思路吧。 
粗心了，漏写 抄错。。。 百度和gpt搜出来的东西，作为参考思路吧。 
粗心了，漏写 抄错。。。 百度和gpt搜出来的东西，作为参考思路吧。