add helm charts

backing-services/prometheus/templates/_scrape_config.tpl

@@ -0,0 +1,86 @@
+{{/*
+Copyright VMware, Inc.
+SPDX-License-Identifier: APACHE-2.0
+*/}}
+
+{{/*
+Return the prometheus scrape configuration for kubernetes objects.
+Usage:
+{{ include "prometheus.scrape_config" (dict "component" "alertmanager" "context" $) }}
+*/}}
+{{- define "prometheus.scrape_config" -}}
+kubernetes_sd_configs:
+  - role: endpoints
+    namespaces:
+      names:
+      - {{ include "common.names.namespace" .context }}
+metrics_path: /metrics
+relabel_configs:
+  - source_labels:
+      - job
+    target_label: __tmp_prometheus_job_name
+  - action: keep
+    source_labels:
+      - __meta_kubernetes_service_label_app_kubernetes_io_component
+      - __meta_kubernetes_service_labelpresent_app_kubernetes_io_component
+    regex: ({{ .component }});true
+  - action: keep
+    source_labels:
+      - __meta_kubernetes_service_label_app_kubernetes_io_instance
+      - __meta_kubernetes_service_labelpresent_app_kubernetes_io_instance
+    regex: ({{ .context.Release.Name }});true
+  - action: keep
+    source_labels:
+      - __meta_kubernetes_service_label_app_kubernetes_io_name
+      - __meta_kubernetes_service_labelpresent_app_kubernetes_io_name
+    regex: (prometheus);true
+  - action: keep
+    source_labels:
+      - __meta_kubernetes_endpoint_port_name
+    regex: http
+  - source_labels:
+      - __meta_kubernetes_endpoint_address_target_kind
+      - __meta_kubernetes_endpoint_address_target_name
+    separator: ;
+    regex: Node;(.*)
+    replacement: ${1}
+    target_label: node
+  - source_labels:
+      - __meta_kubernetes_endpoint_address_target_kind
+      - __meta_kubernetes_endpoint_address_target_name
+    separator: ;
+    regex: Pod;(.*)
+    replacement: ${1}
+    target_label: pod
+  - source_labels:
+      - __meta_kubernetes_namespace
+    target_label: namespace
+  - source_labels:
+      - __meta_kubernetes_service_name
+    target_label: service
+  - source_labels:
+      - __meta_kubernetes_pod_name
+    target_label: pod
+  - source_labels:
+      - __meta_kubernetes_pod_container_name
+    target_label: container
+  - action: drop
+    source_labels:
+      - __meta_kubernetes_pod_phase
+    regex: (Failed|Succeeded)
+  - source_labels:
+      - __meta_kubernetes_service_name
+    target_label: job
+    replacement: ${1}
+  - target_label: endpoint
+    replacement: http
+  - source_labels:
+      - __address__
+    target_label: __tmp_hash
+    modulus: 1
+    action: hashmod
+  - source_labels:
+      - __tmp_hash
+    regex: 0
+    action: keep
+{{- end -}}