cAdvisor Exporter

配置并启用cadvisor_exporter

在docker中启动 grafana-agent，同时映射相关目录

  2.   -v /tmp/agent:/etc/agent/data \
  3.   -v /tmp/grafana-agent-cfg.yaml:/etc/agent/agent.yaml \
  4.   -p 12345:12345 \
  5.   -d \
  6.   --privileged \
  7.   grafana/agent:v0.23.0 \
  8.   --config.file=/etc/agent/agent.yaml \
  9.   --metrics.wal-directory=/etc/agent/data
  1. cadvisor_version_info{cadvisorRevision="",cadvisorVersion="",dockerVersion="",kernelVersion="5.10.76-linuxkit",osVersion="Debian GNU/Linux 10 (buster)"} 1
  2. container_blkio_device_usage_total{device="/dev/vda",id="/",major="254",minor="0",operation="Read"} 4.6509056e+07 1645109878135
  3. container_blkio_device_usage_total{device="/dev/vda",id="/",major="254",minor="0",operation="Write"} 3.13243648e+09 1645109878135
  4. container_cpu_load_average_10s{id="/"} 0 1645109878135
  5. container_cpu_system_seconds_total{id="/"} 57.789 1645109878135
  6. container_cpu_usage_seconds_total{cpu="total",id="/"} 91.57 1645109878135
  7. container_cpu_user_seconds_total{id="/"} 33.781 1645109878135
  8. container_fs_inodes_free{device="/dev",id="/"} 254415 1645109878135
  9. container_fs_inodes_free{device="/dev/shm",id="/"} 254551 1645109878135
  10. container_fs_inodes_free{device="/dev/vda1",id="/"} 3.890602e+06 1645109878135
  11. container_fs_inodes_free{device="/rootfs/dev/shm",id="/"} 254551 1645109878135
  12. ...

采集的指标列表

完整地配置项说明

  1.   # Enables the cadvisor integration, allowing the Agent to automatically
  2.   # collect metrics for the specified github objects.
  3.   [enabled: <boolean> | default = false]
  5.   # Sets an explicit value for the instance label when the integration is
  6.   # self-scraped. Overrides inferred values.
  7.   [instance: <string> | default = <integrations_config.instance>]
  9.   # Automatically collect metrics from this integration. If disabled,
  10.   # the cadvisor integration will be run but not scraped and thus not
  11.   # remote-written. Metrics for the integration will be exposed at
  12.   # /integrations/cadvisor/metrics and can be scraped by an external
  13.   # process.
  14.   [scrape_integration: <boolean> | default = <integrations_config.scrape_integrations>]
  15.   # How often should the metrics be collected? Defaults to
  17.   [scrape_interval: <duration> | default = <global_config.scrape_interval>]
  19.   # The timeout before considering the scrape a failure. Defaults to
  20.   # prometheus.global.scrape_timeout.
  21.   [scrape_timeout: <duration> | default = <global_config.scrape_timeout>]
  23.   # Allows for relabeling labels on the target.
  24.   relabel_configs:
  25.     [- <relabel_config> ... ]
  27.   # Relabel metrics coming from the integration, allowing to drop series
  28.   # from the integration that you don't care about.
  29.   metric_relabel_configs:
  30.     [ - <relabel_config> ... ]
  32.   # How frequent to truncate the WAL for this integration.
  33.   [wal_truncate_frequency: <duration> | default = "60m"]
  35.   #
  36.   # cAdvisor-specific configuration options
  37.   #
  39.   # Convert container labels and environment variables into labels on prometheus metrics for each container. If false, then only metrics exported are container name, first alias, and image name.
  40.   [store_container_labels: <boolean> | default = true]
  42.   # List of container labels to be converted to labels on prometheus metrics for each container. store_container_labels must be set to false for this to take effect.
  43.   allowlisted_container_labels:
  44.     [ - <string> ]
  46.   # List of environment variable keys matched with specified prefix that needs to be collected for containers, only support containerd and docker runtime for now.
  47.   env_metadata_allowlist:
  48.     [ - <string> ]
  50.   # List of cgroup path prefix that needs to be collected even when docker_only is specified.
  51.   raw_cgroup_prefix_allowlist:
  52.     [ - <string> ]
  56.   # resctrl mon groups updating interval. Zero value disables updating mon groups.
  57.   [resctrl_interval: <int> | default = 0]
  59.   # List of `metrics` to be disabled. If set, overrides the default disabled metrics.
  60.   disabled_metrics:
  61.     [ - <string> ]
  63.   # List of `metrics` to be enabled. If set, overrides disabled_metrics
  64.   enabled_metrics:
  65.     [ - <string> ]
  67.   # Length of time to keep data stored in memory
  68.   [storage_duration: <duration> | default = "2m"]
  70.   # Containerd endpoint
  71.   [containerd: <string> | default = "/run/containerd/containerd.sock"]
  73.   # Containerd namespace
  74.   [containerd_namespace: <string> | default = "k8s.io"]
  76.   # Docker endpoint
  77.   [docker: <string> | default = "unix:///var/run/docker.sock"]
  79.   # Use TLS to connect to docker
  80.   [docker_tls: <boolean> | default = false]
  82.   # Path to client certificate for TLS connection to docker
  83.   [docker_tls_cert: <string> | default = "cert.pem"]
  85.   # Path to private key for TLS connection to docker
  86.   [docker_tls_key: <string> | default = "key.pem"]
  88.   # Path to a trusted CA for TLS connection to docker
  89.   [docker_tls_ca: <string> | default = "ca.pem"]
  91.   # Only report docker containers in addition to root stats
  92.   [docker_only: <boolean> | default = false]