具体的错误信息
k logs -f elasticsearch-0 -n kube-system
"stacktrace": ["org.elasticsearch.bootstrap.StartupException: ElasticsearchException[failed to bind service]; nested: AccessDeniedException[/usr/share/elasticsearch/data/nodes];","at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-7.14.0.jar:7.14.0]","at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-7.14.0.jar:7.14.0]","at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:75) ~[elasticsearch-7.14.0.jar:7.14.0]","at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:116) ~[elasticsearch-cli-7.14.0.jar:7.14.0]","at org.elasticsearch.cli.Command.main(Command.java:79) ~[elasticsearch-cli-7.14.0.jar:7.14.0]","at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) ~[elasticsearch-7.14.0.jar:7.14.0]","at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:81) ~[elasticsearch-7.14.0.jar:7.14.0]","Caused by: org.elasticsearch.ElasticsearchException: failed to bind service",
排查最后导致启动失败的原因是，我的 elasticsearch 使用到了 pv、pvc 来做持久化存储，但是 elasticsearch 对我的挂载目录没有执行权限。
chmod 777 elasticsearch
之后重启 pod 即可。