CW代理没有从ek集群中获取mem_used_percent

Question

我正试图在我的ek集群上安装cw代理，以获得实例级别的度量，特别是mem_used_percent度量，可以有人指出我的错误所在，我已经将cwagent服务器策略附加到了eks节点上。

我看到了所有容器洞察指标，但在cw代理(aws控制台)中看不到任何指标。

我在这里错过了什么？

我的config_file

apiVersion: v1
data:
  # Configuration is in Json format. No matter what configure change you make,
  # please keep the Json blob valid.
  cwagentconfig.json: |
    {
      "logs": {
        "metrics_collected": {
          "kubernetes": {
            "cluster_name": "xxxx",
            "metrics_collection_interval": 60
          },
          "mem": {
            "measurement": [
              "mem_used_percent"
            ],
            "metrics_collection_interval": 60
          }
        },
        "force_flush_interval": 5
      }
    }
kind: ConfigMap
metadata:
  name: cwagentconfig
  namespace: amazon-cloudwatch

部署如下：https://raw.githubusercontent.com/aws-samples/amazon-cloudwatch-container-insights/latest/k8s-deployment-manifest-templates/deployment-mode/daemonset/container-insights-monitoring/cwagent/cwagent-daemonset.yaml

图片: amazon/cloudwatch-agent:1.247348.0b251302 CI_VERSION："k8s/1.3.7“

• kubectl版本 客户端版本: GitCommit:"d647ddbd755faf07169599a625faf302ffc34458"，{主：“1”，小调：“16”，GitVersion:"v1.16.1"，version.Info GitTreeState：“干净”，BuildDate:"2019-10-02T23:49:20Z"，GoVersion:"go1.12.9"，编译器：“gc”，平台：“达尔文/amd64 64”}服务器版本:version.Info{16：“1”，未成年人：“18+”，GitVersion：“v1.18.9-eks d1db3c”，GitCommit:"d1db3c46e55f95d6a7d3e5578689371318f95ff9"，GitTreeState：“干净”，BuildDate:"2020-10-20T22:18:07Z"，GoVersion:"go1.13.15"，编译器：“gc”，平台：“linux/amd64 64”}

My_logs：

2021/07/02 23:49:06 I! I! Detected the instance is EC2
2021/07/02 23:49:03 Reading json config file path: /opt/aws/amazon-cloudwatch-agent/bin/default_linux_config.json ...
/opt/aws/amazon-cloudwatch-agent/bin/default_linux_config.json does not exist or cannot read. Skipping it.
2021/07/02 23:49:03 Reading json config file path: /etc/cwagentconfig/..2021_07_02_23_48_59.690305669/cwagentconfig.json ...
2021/07/02 23:49:03 Find symbolic link /etc/cwagentconfig/..data
2021/07/02 23:49:03 Find symbolic link /etc/cwagentconfig/cwagentconfig.json
2021/07/02 23:49:03 Reading json config file path: /etc/cwagentconfig/cwagentconfig.json ...
Valid Json input schema.
2021/07/02 23:49:03 I! attempt to access ECS task metadata to determine whether I'm running in ECS.
2021/07/02 23:49:04 W! retry [0/3], unable to get http response from http://169.254.170.2/v2/metadata, error: unable to get response from http://169.254.170.2/v2/metadata, error: Get "http://169.254.170.2/v2/metadata": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
2021/07/02 23:49:05 W! retry [1/3], unable to get http response from http://169.254.170.2/v2/metadata, error: unable to get response from http://169.254.170.2/v2/metadata, error: Get "http://169.254.170.2/v2/metadata": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
2021/07/02 23:49:06 W! retry [2/3], unable to get http response from http://169.254.170.2/v2/metadata, error: unable to get response from http://169.254.170.2/v2/metadata, error: Get "http://169.254.170.2/v2/metadata": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
2021/07/02 23:49:06 I! access ECS task metadata fail with response unable to get response from http://169.254.170.2/v2/metadata, error: Get "http://169.254.170.2/v2/metadata": context deadline exceeded (Client.Timeout exceeded while awaiting headers), assuming I'm not running in ECS.
No csm configuration found.
No metric configuration found.
Configuration validation first phase succeeded

2021/07/02 23:49:06 I! Config has been translated into TOML /opt/aws/amazon-cloudwatch-agent/etc/amazon-cloudwatch-agent.toml
2021-07-02T23:49:06Z I! Starting AmazonCloudWatchAgent 1.247348.0
2021-07-02T23:49:06Z I! Loaded inputs: cadvisor k8sapiserver
2021-07-02T23:49:06Z I! Loaded aggregators:
2021-07-02T23:49:06Z I! Loaded processors: ec2tagger k8sdecorator
2021-07-02T23:49:06Z I! Loaded outputs: cloudwatchlogs
2021-07-02T23:49:06Z I! Tags enabled:
2021-07-02T23:49:06Z I! [agent] Config: Interval:1m0s, Quiet:false, Hostname:"ip-10-182-7-7.ec2.internal", Flush Interval:1s
2021-07-02T23:49:06Z I! [logagent] starting
2021-07-02T23:49:06Z I! [logagent] found plugin cloudwatchlogs is a log backend

Answer 1

度量集合(如内存使用情况)需要放在json文件的metrics部分，而不是logs部分。在aws doco中解释。您只需重命名第一节，我认为您在最后有一个额外的}。

下列措施应能发挥作用：

"metrics": {
  "metrics_collected": {
    "kubernetes": {
      "cluster_name": "xxxx",
      "metrics_collection_interval": 60
    },
    "mem": {
      "measurement": [
        "mem_used_percent"
      ],
      "metrics_collection_interval": 60
    }
  },
  "force_flush_interval": 5
}