chore: add pyroscope to compose setup

The `debug` profile will now also start a pyroscope instance configured
to scrape the indexer and matcher.

Signed-off-by: Hank Donnay <[email protected]>

Author: hdonnay

docker-compose.yaml

@@ -3,17 +3,18 @@ version: "3.7"
 # This is just to hold a bunch of yaml anchors and try to consolidate parts of
 # the config.
 x-anchors:
-  postgres: &postgres-image docker.io/library/postgres:12
-  traefik: &traefik-image docker.io/library/traefik:v2.2
-  pgadmin: &pgadmin-image docker.io/dpage/pgadmin4:5.7
+  go: &go-image quay.io/projectquay/golang:1.20
+  grafana: &grafana-image docker.io/grafana/grafana:8.0.3
   jaeger: &jaeger-image docker.io/jaegertracing/all-in-one:1.26
+  pgadmin: &pgadmin-image docker.io/dpage/pgadmin4:5.7
+  postgres: &postgres-image docker.io/library/postgres:12
   prom: &prom-image docker.io/prom/prometheus:v2.30.2
-  grafana: &grafana-image docker.io/grafana/grafana:8.0.3
+  pyroscope: &pyroscope-image docker.io/pyroscope/pyroscope:0.37.2
   quay: &quay-image quay.io/projectquay/quay:latest
+  rabbitmq: &rabbitmq-image docker.io/library/rabbitmq:3.11
   redis: &redis-image docker.io/library/redis:6.2
-  go: &go-image quay.io/projectquay/golang:1.20
   skopeo: &skopeo-image quay.io/skopeo/stable:latest
-  rabbitmq: &rabbitmq-image docker.io/library/rabbitmq:3.11
+  traefik: &traefik-image docker.io/library/traefik:v2.2
   clair-service: &clair-service
     image: *go-image
     depends_on:
@@ -110,6 +111,18 @@ services:
       - '--web.external-url=http://localhost:8080/prom/'
       - '--web.console.libraries=/usr/share/prometheus/console_libraries'
       - '--web.console.templates=/usr/share/prometheus/consoles'
+  pyroscope:
+    container_name: clair-pyroscope
+    profiles:
+      - debug
+    image: *pyroscope-image
+    volumes:
+      - ./local-dev/pyroscope:/etc/pyroscope/
+    command:
+      - server
+    environment:
+      PYROSCOPE_LOG_LEVEL: info
+      PYROSCOPE_WAIT_AFTER_STOP: 'true'
   grafana:
     container_name: clair-grafana
     profiles:
@@ -119,10 +132,12 @@ services:
     environment:
       GF_SERVER_ROOT_URL: /grafana
       GF_SERVER_SERVE_FROM_SUB_PATH: 'true'
+      GF_INSTALL_PLUGINS: 'pyroscope-datasource,pyroscope-panel'
     volumes:
       - ./local-dev/grafana/provisioning/:/etc/grafana/provisioning/
     depends_on:
       - prometheus
+      - pyroscope
 
   # Notifier services -- use profile 'notifier'
   notifier: &notifier

local-dev/grafana/provisioning/datasources/datasource.yml

@@ -1,3 +1,4 @@
+---
 # config file version
 apiVersion: 1
 
@@ -19,32 +20,15 @@ datasources:
   orgId: 1
   # <string> url
   url: http://clair-prometheus:9090/prom/
-  # <string> database password, if used
-  password:
-  # <string> database user, if used
-  user:
-  # <string> database name, if used
-  database:
-  # <bool> enable/disable basic auth
-  basicAuth: false
-  # <string> basic auth username, if used
-  basicAuthUser:
-  # <string> basic auth password, if used
-  basicAuthPassword:
-  # <bool> enable/disable with credentials headers
-  withCredentials:
   # <bool> mark as default datasource. Max one per org
   isDefault: true
-  # <map> fields that will be converted to json and stored in json_data
-  jsonData:
-     graphiteVersion: "1.1"
-     tlsAuth: false
-     tlsAuthWithCACert: false
-  # <string> json object of data that will be encrypted.
-  secureJsonData:
-    tlsCACert: "..."
-    tlsClientCert: "..."
-    tlsClientKey: "..."
   version: 1
-  # <bool> allow users to edit datasources from the UI.
+  editable: false
+- name: Pyroscope
+  type: pyroscope-datasource
+  access: proxy
+  orgId: 1
+  url: http://clair-pyroscope:4040/
+  jsonData:
+    path: http://clair-pyroscope:4040/
   editable: false

local-dev/pyroscope/server.yml

@@ -0,0 +1,19 @@
+---
+analytics-opt-out: 'true'
+base-url: /pyroscope
+disable-pprof-endpoint: 'true'
+scrape-configs:
+- job-name: pyroscope
+  scrape-interval: 10s
+  scrape-timeout: 15s
+  enabled-profiles: [cpu, mem, goroutines, mutex, block]
+  use-delta-profiles: true
+  static-configs:
+  - application: clair-indexer
+    spy-name: gospy
+    targets:
+      - clair-indexer:8089
+  - application: clair-matcher
+    spy-name: gospy
+    targets:
+      - clair-matcher:8089

local-dev/traefik/config/pyroscope.yaml

@@ -0,0 +1,21 @@
+---
+http:
+  routers:
+    pyroscope:
+      entryPoints: [traefik]
+      rule: 'PathPrefix(`/pyroscope`)'
+      service: pyroscope
+      middlewares:
+      - pyroscope-stripprefix
+  middlewares:
+    pyroscope-stripprefix:
+      stripPrefix:
+        prefixes:
+        - /pyroscope
+  services:
+    pyroscope:
+      loadBalancer:
+        servers:
+        - url: "http://clair-pyroscope:4040/"
+        healthCheck:
+          path: /