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prometheus source k8s cluster module #31

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prometheus source k8s cluster module #31

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51d2166
prometheus source k8s cluster module
nerudadhich Apr 13, 2022
b6ef666
proetheus source name fixed to promql
nerudadhich Apr 13, 2022
3cdd667
k8s node and cluster with namespace module added
nerudadhich Apr 14, 2022
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126 changes: 126 additions & 0 deletions prometheus/k8s/k8s_resources.hcl
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Original file line number Diff line number Diff line change
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scraper promql_kube_cluster module {
frequency = 120
lookback = 600
timeout = 90
resolution = 60
lag = 60

gauge "available_nodes" {
source promql "available_nodes" {
query = "label_replace(sum by (cluster)(kube_node_status_condition{condition='Ready', status='true'})/ sum by (cluster)(kube_node_status_condition{condition='Ready'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "disk_pressure_nodes" {
source promql "disk_pressure_nodes" {
query = "label_replace(sum by (cluster)(kube_node_status_condition{condition='DiskPressure', status='true'})/ sum by (cluster)(kube_node_status_condition{condition='DiskPressure'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "pid_pressure_nodes" {
source promql "pid_pressure_nodes" {
query = "label_replace(sum by (cluster)(kube_node_status_condition{condition='PIDPressure', status='true'})/ sum by (cluster)(kube_node_status_condition{condition='PIDPressure'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "memory_pressure_nodes" {
source promql "memory_pressure_nodes" {
query = "label_replace(sum by (cluster)(kube_node_status_condition{condition='MemoryPressure', status='true'})/ sum by (cluster)(kube_node_status_condition{condition='MemoryPressure'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "requested_memory" {
source promql "requested_memory" {
query = "label_replace(sum(kube_pod_container_resource_requests{resource='memory', unit='byte'})/sum by (cluster)(kube_node_status_allocatable{resource='memory', unit='byte'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "requested_cpu" {
source promql "requested_cpu" {
query = "label_replace(sum(kube_pod_container_resource_requests{resource='cpu', unit='core'})/sum by (cluster)(kube_node_status_allocatable{resource='cpu', unit='core'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "saturated_nodes" {
source promql "saturated_nodes" {
query = "label_replace(sum by (cluster) (kube_node_spec_unschedulable{}), 'cluster', '${resources.each.cluster}', '', '')"
}
}
}

scraper promql_kube_cluster_with_namespace module {
frequency = 120
lookback = 600
timeout = 90
resolution = 60
lag = 60

gauge "unscheduled_pods" {
source promql "unscheduled_pods" {
query = "label_replace(sum by (cluster, namespace) (increase(kube_pod_status_unschedulable{}[1m])), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "desired_pods" {
source promql "desired_pods" {
query = "label_replace(sum by (cluster, namespace) (increase(kube_pod_status_phase{}[1m])), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "running_pods" {
source promql "running_pods" {
query = "label_replace(sum by (cluster, namespace) (kube_pod_status_phase{phase=~'Running'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "pending_pods" {
source promql "pending_pods" {
query = "label_replace(sum by (cluster, namespace) (kube_pod_status_phase{phase=~'Pending'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "failed_and_unknown_pods" {
source promql "failed_and_unknown_pods" {
query = "label_replace(sum by (cluster, namespace) (kube_pod_status_phase{phase=~'Failed|Unknown'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "container_restarts" {
source promql "container_restarts" {
query = "label_replace(sum by (cluster, namespace) (rate(kube_pod_container_status_restarts_total{}[1m])*60), 'cluster', '${resources.each.cluster}', '', '')"
}
}

}

scraper promql_kube_node module {
frequency = 120
lookback = 600
timeout = 90
resolution = 60
lag = 60

gauge "disk_pressure" {
source promql "disk_pressure" {
query = "label_replace(sum by (cluster, node)(kube_node_status_condition{condition='DiskPressure', status='true'})/ sum by (cluster, node)(kube_node_status_condition{condition='DiskPressure'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "pid_pressure" {
source promql "pid_pressure" {
query = "label_replace(sum by (cluster, node)(kube_node_status_condition{condition='PIDPressure', status='true'})/ sum by (cluster, node)(kube_node_status_condition{condition='PIDPressure'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "memory_pressure" {
source promql "memory_pressure" {
query = "label_replace(sum by (cluster, node)(kube_node_status_condition{condition='MemoryPressure', status='true'})/ sum by (cluster, node)(kube_node_status_condition{condition='MemoryPressure'}), 'cluster', '${resources.each.cluster}', '', '')"
}
}

gauge "saturated" {
source promql "saturated" {
query = "label_replace(sum by (cluster, node) (kube_node_spec_unschedulable{}), 'cluster', '${resources.each.cluster}', '', '')"
}
}
}