Add process-exporter

Author: george-dorin

framework/observability/compose/conf/process-exporter.yaml

@@ -0,0 +1,4 @@
+process_names:
+  - name: "{{.Comm}}|{{ index .Cgroups 0 }}"
+    cmdline:
+      - '.+'

framework/observability/compose/conf/prometheus.yml

@@ -20,6 +20,14 @@ scrape_configs:
     static_configs:
       - targets:
           - cadvisor:8080
+    metric_relabel_configs:
+      # Extract hex ID from common cgroup/runtime formats:
+      # /docker/<id>, docker-<id>.scope, containerd://<id>, cri-containerd-<id>.scope, etc.
+      - source_labels: [ id ]
+        regex: '.*(?:/docker/|docker-|containerd://|containerd-|cri-containerd-|crio-)([a-f0-9]{12,64})(?:\.scope)?.*'
+        target_label: container_id
+        replacement: '$1'
+        action: replace
   - job_name: 'postgres_exporter_0'
     static_configs:
       - targets: ['postgres_exporter_0:9187']
@@ -35,3 +43,26 @@ scrape_configs:
   - job_name: 'postgres_exporter_4'
     static_configs:
       - targets: ['postgres_exporter_4:9187']
+  - job_name: 'process_exporter'
+    static_configs:
+      - targets: ['process-exporter:9256']
+    metric_relabel_configs:
+      # Extract container id from groupname so we can match it to the container
+      - source_labels: [groupname]
+        regex: "^[^|]+\\|.*/([a-f0-9]{12,64})$"
+        target_label: container_id
+        replacement: "$1"
+        action: replace
+
+      # We detect the special '/../..' tail and set container_id=host.
+      - source_labels: [groupname]
+        regex: "^[^|]+\\|/\\.\\./\\.\\.$"
+        target_label: container_id
+        replacement: "host"
+        action: replace
+
+      - source_labels: [groupname]
+        regex: "^([^|]+)\\|.*"
+        target_label: groupname
+        replacement: "$1"
+        action: replace

framework/observability/compose/docker-compose.yaml

@@ -135,6 +135,20 @@ services:
       - '9304:9187'
     restart: unless-stopped
 
+  process-exporter:
+    image: ncabatoff/process-exporter:latest
+    container_name: process-exporter
+    pid: host
+    privileged: true
+    volumes:
+      - /proc:/host/proc:ro
+      - ./conf/process-exporter.yaml:/config.yaml:ro
+    command:
+      - "--procfs=/host/proc"
+      - "--config.path=/config.yaml"
+    ports:
+      - "9256:9256"
+
 volumes:
   loki_data:
   grafana_data: