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cli-arguments.md

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Command line arguments

kube-state-metrics can be configured through command line arguments.

Those arguments can be passed during startup when running locally:

kube-state-metrics --telemetry-port=8081 --kubeconfig=<KUBE-CONFIG> --apiserver=<APISERVER> ...

Or configured in the args section of your deployment configuration in a Kubernetes / Openshift context:

spec:
  template:
    spec:
      containers:
        - args:
          - '--telemetry-port=8081'
          - '--kubeconfig=<KUBE-CONFIG>'
          - '--apiserver=<APISERVER>'

Available options:

$ kube-state-metrics -h
Usage of ./kube-state-metrics:
      --add_dir_header                        If true, adds the file directory to the header of the log messages
      --alsologtostderr                       log to standard error as well as files
      --apiserver string                      The URL of the apiserver to use as a master
      --enable-gzip-encoding                  Gzip responses when requested by clients via 'Accept-Encoding: gzip' header.
  -h, --help                                  Print Help text
      --host string                           Host to expose metrics on. (default "::")
      --kubeconfig string                     Absolute path to the kubeconfig file
      --log_backtrace_at traceLocation        when logging hits line file:N, emit a stack trace (default :0)
      --log_dir string                        If non-empty, write log files in this directory
      --log_file string                       If non-empty, use this log file
      --log_file_max_size uint                Defines the maximum size a log file can grow to. Unit is megabytes. If the value is 0, the maximum file size is unlimited. (default 1800)
      --logtostderr                           log to standard error instead of files (default true)
      --metric-allowlist string               Comma-separated list of metrics to be exposed. This list comprises of exact metric names and/or regex patterns. The allowlist and denylist are mutually exclusive.
      --metric-annotations-allowlist string   Comma-separated list of Kubernetes annotations keys that will be used in the resource' labels metric. By default the metric contains only name and namespace labels. To include additional annotations provide a list of resource names in their plural form and Kubernetes annotation keys you would like to allow for them (Example: '=namespaces=[kubernetes.io/team,...],pods=[kubernetes.io/team],...)'. A single '*' can be provided per resource instead to allow any annotations, but that has severe performance implications (Example: '=pods=[*]').
      --metric-denylist string                Comma-separated list of metrics not to be enabled. This list comprises of exact metric names and/or regex patterns. The allowlist and denylist are mutually exclusive.
      --metric-labels-allowlist string        Comma-separated list of additional Kubernetes label keys that will be used in the resource' labels metric. By default the metric contains only name and namespace labels. To include additional labels provide a list of resource names in their plural form and Kubernetes label keys you would like to allow for them (Example: '=namespaces=[k8s-label-1,k8s-label-n,...],pods=[app],...)'. A single '*' can be provided per resource instead to allow any labels, but that has severe performance implications (Example: '=pods=[*]').
      --namespaces string                     Comma-separated list of namespaces to be enabled. Defaults to ""
      --namespaces-denylist string            Comma-separated list of namespaces not to be enabled. If namespaces and namespaces-denylist are both set, only namespaces that are excluded in namespaces-denylist will be used.
      --one_output                            If true, only write logs to their native severity level (vs also writing to each lower severity level)
      --pod string                            Name of the pod that contains the kube-state-metrics container. When set, it is expected that --pod and --pod-namespace are both set. Most likely this should be passed via the downward API. This is used for auto-detecting sharding. If set, this has preference over statically configured sharding. This is experimental, it may be removed without notice.
      --pod-namespace string                  Name of the namespace of the pod specified by --pod. When set, it is expected that --pod and --pod-namespace are both set. Most likely this should be passed via the downward API. This is used for auto-detecting sharding. If set, this has preference over statically configured sharding. This is experimental, it may be removed without notice.
      --port int                              Port to expose metrics on. (default 8080)
      --resources string                      Comma-separated list of Resources to be enabled. Defaults to "certificatesigningrequests,configmaps,cronjobs,daemonsets,deployments,endpoints,horizontalpodautoscalers,ingresses,jobs,leases,limitranges,mutatingwebhookconfigurations,namespaces,networkpolicies,nodes,persistentvolumeclaims,persistentvolumes,poddisruptionbudgets,pods,replicasets,replicationcontrollers,resourcequotas,secrets,services,statefulsets,storageclasses,validatingwebhookconfigurations,volumeattachments"
      --shard int32                           The instances shard nominal (zero indexed) within the total number of shards. (default 0)
      --skip_headers                          If true, avoid header prefixes in the log messages
      --skip_log_headers                      If true, avoid headers when opening log files
      --stderrthreshold severity              logs at or above this threshold go to stderr (default 2)
      --telemetry-host string                 Host to expose kube-state-metrics self metrics on. (default "::")
      --telemetry-port int                    Port to expose kube-state-metrics self metrics on. (default 8081)
      --tls-config string                     Path to the TLS configuration file
      --total-shards int                      The total number of shards. Sharding is disabled when total shards is set to 1. (default 1)
      --use-apiserver-cache                   Sets resourceVersion=0 for ListWatch requests, using cached resources from the apiserver instead of an etcd quorum read.
  -v, --v Level                               number for the log level verbosity
      --version                               kube-state-metrics build version information
      --vmodule moduleSpec                    comma-separated list of pattern=N settings for file-filtered logging