Ambari部署时问题之Ambari Metrics无法启动

2017-11-13 2606

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简介：

　　首先，我的问题是如下:

Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/scripts/service_check.py", line 165, in <module>
    AMSServiceCheck().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 219, in execute
    method(env)
  File "/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py", line 89, in thunk
    return fn(*args, **kwargs)
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/scripts/service_check.py", line 160, in service_check
    raise Fail("Values %s and %s were not found in the response." % (random_value1, current_time))
resource_management.core.exceptions.Fail: Values 0.32072445008 and 1490951249000 were not found in the response.

　　我这里采取的是先删除，再添加服务的方式。

Ambari里如何删除某指定的服务（图文详解）

解决办法

https://community.hortonworks.com/questions/15818/ambari-metrics-collector-now-starting.html

I could finally solve it by combining some of the steps mentioned above.

I first checked what is the value of `zookeeper.znode.parent` in HBase. I tried setting that same value in Ambari, but that did not work because some of the metrics processes were already running on that machine. So, i had to `ps -ef | grep metrics` and kill all of them as they were caching the `/hbase` value.

Watch the ambari metrics collector logs ( /var/log/ambari-metrics-collector/ambari-metrics-collector.log) while you do the below steps

其实，说白了，以下就是如何删除Ambari中已有的服务!

步骤

　　Steps:0.

tail -f /var/log/ambari-metrics-collector/ambari-metrics-collector.log （这一也可以跳过，说白了就是查看对应的ambari-metrics-collector的日志而已）

　　　　 tail -f /var/log/ambari-metrics-collector/ambari-metrics-monitor.log （这一也可以跳过，说白了就是查看对应的ambari-metrics-monitor的日志而已）

　 Steps:1. Stop Ambari Metrics

　　注意：若是这步，关不掉Ambari Metrics没事，去步骤三吧！

　　Steps 2:. Kill all the metrics processes

ambari-metrics-monitor status

ambari-metrics-collector status

ambari-metrics-monitor stop

ambari-metrics-collector stop

kill -9 26554

kill -9 46277

Steps:3 停止服务

curl -u admin:admin -H "X-Requested-By: ambari" -X PUT -d '{"RequestInfo": {"context":"Stop Service"},"Body":{"ServiceInfo":{"state":"INSTALLED"}}}' http://192.168.80.144:8080/api/v1/clusters/hdpCluster/services/AMBARI_METRICS

注意：

192.168.80.144是我这台机器ambari01（即搭建了ambari）的ip，你注意改为你自己的！

hdpCluster是我集群的名字，你注意改为你自己的！

AMBARI_METRICS这里是停止该服务并要从ambari里删除它。

Steps:4 删除服务（快速立即执行）

curl -u admin:admin -H "X-Requested-By: ambari" -X DELETE http://192.168.80.144:8080/api/v1/clusters/hdpCluster/services/AMBARI_METRICS

注意：

192.168.80.144是我这台机器ambari01（即搭建了ambari）的ip，你注意改为你自己的！

hdpCluster是我集群的名字，你注意改为你自己的！

AMBARI_METRICS这里是停止该服务并要从ambari里删除它。

Steps:4 Refresh Ambari UI

Steps:5 Add Service

Steps:6 . Select Ambari Metrics

7. In the configuration screen, make sure to set the value of `zookeeper.znode.parent` to what is configured in the HBase service. By default in Ambari Metrics it is set to empty value.

8. Deploy