config.libsonnet

{
  _config+:: {
    // Selectors are inserted between {} in Prometheus queries.
    cadvisorSelector: 'job="cadvisor"',
    kubeletSelector: 'job="kubelet"',
    kubeStateMetricsSelector: 'job="kube-state-metrics"',
    nodeExporterSelector: 'job="node-exporter"',
    notKubeDnsSelector: 'job!="kube-dns"',
    kubeSchedulerSelector: 'job="kube-scheduler"',
    kubeControllerManagerSelector: 'job="kube-controller-manager"',
    kubeApiserverSelector: 'job="kube-apiserver"',
    podLabel: 'pod',
    namespaceSelector: null,
    prefixedNamespaceSelector: if self.namespaceSelector != null then self.namespaceSelector + ',' else '',
    hostNetworkInterfaceSelector: 'device="eth0"',

    // We build alerts for the presence of all these jobs.
    jobs: {
      Kubelet: $._config.kubeletSelector,
      KubeScheduler: $._config.kubeSchedulerSelector,
      KubeControllerManager: $._config.kubeControllerManagerSelector,
      KubeAPI: $._config.kubeApiserverSelector,
    },

    // Grafana dashboard IDs are necessary for stable links for dashboards
    grafanaDashboardIDs: {
      'k8s-resources-cluster.json': 'ZnbvYbcXkob7GLqcDPLTj1ZL4MRX87tOh8xdr831',
      'k8s-resources-namespace.json': 'XaY4UCP3J51an4ikqtkUGBSjLpDW4pg39xe2FuxP',
      'k8s-resources-pod.json': 'wU56sdGSNYZTL3eO0db3pONtVmTvsyV7w8aadbYF',
      'k8s-cluster-rsrc-use.json': 'uXQldxzqUNgIOUX6FyZNvqgP2vgYb78daNu4GiDc',
      'k8s-node-rsrc-use.json': 'E577CMUOwmPsxVVqM9lj40czM1ZPjclw7hGa7OT7',
      'nodes.json': 'kcb9C2QDe4IYcjiTOmYyfhsImuzxRcvwWC3YLJPS',
      'pods.json': 'AMK9hS0rSbSz7cKjPHcOtk6CGHFjhSHwhbQ3sedK',
      'statefulset.json': 'dPiBt0FRG5BNYo0XJ4L0Meoc7DWs9eL40c1CRc1g',
    },

    // We alert when the aggregate (CPU, Memory) quota for all namespaces is
    // greater than the amount of the resources in the cluster.  We do however
    // allow you to overcommit if you wish.
    namespaceOvercommitFactor: 1.5,
    kubeletPodLimit: 110,
    certExpirationWarningSeconds: 7 * 24 * 3600,
    certExpirationCriticalSeconds: 1 * 24 * 3600,
    cpuThrottlingPercent: 25,

    // We alert when a disk is expected to fill up in four days. Depending on
    // the data-set it might be useful to change the sampling-time for the
    // prediction
    volumeFullPredictionSampleTime: '6h',

    // For links between grafana dashboards, you need to tell us if your grafana
    // servers under some non-root path.
    grafanaPrefix: '',

    // This list of filesystem is referenced in various expressions.
    fstypes: ['ext[234]', 'btrfs', 'xfs', 'zfs'],
    fstypeSelector: 'fstype=~"%s"' % std.join('|', self.fstypes),
  },
}