init

.env.dist

@@ -0,0 +1,2 @@
+PROMETHEUS_CONFIG_FILE_PATH=/path/to/prometheus/config/prometheus.yaml
+PROMETHEUS_DATA_PATH=/path/to/prometheus/data

.gitignore

@@ -0,0 +1,2 @@
+.env
+.prometheus.yaml

Dockerfile

@@ -1,6 +1,6 @@
-ARG GO_VERSION=1.16.0
+ARG GO_VERSION=alpine
 
-FROM golang:${GO_VERSION}-alpine as build
+FROM golang:${GO_VERSION} as build
 
 ARG PROMETHEUS_VERSION=
 ARG PROMETHEUS_REPO="https://github.com/prometheus/prometheus.git"
@@ -33,11 +33,13 @@ RUN \
 FROM alpine:3
 
 COPY --from=build /prometheus/prometheus /prometheus
+RUN mkdir /data
 
 ENV UID=1000
 ENV GID=1000
 
-CMD addgroup -g "${GID}" prometheus && \
-	adduser -D -u "${UID}" -G prometheus prometheus && \
+CMD (grep -qE '^prometheus:x:'"${UID}"':prometheus$' /etc/group || addgroup -g "${GID}" prometheus) && \
+	(grep -qE '^prometheus:x:'"${UID}"':'"${GID}"':.*$' /etc/passwd || adduser -D -u "${UID}" -G prometheus prometheus) && \
 	chmod 700 /prometheus && chown prometheus:prometheus /prometheus && \
-	su prometheus -c '/prometheus --config.file=/config/prometheus.yml'
+	chown prometheus:prometheus /data && \
+	su prometheus -c '/prometheus --config.file=/config/prometheus.yaml --storage.tsdb.path=/data/ '

docker-compose.yaml

@@ -0,0 +1,19 @@
+version: '3'
+
+services:
+  prometheus:
+    build:
+      context: ./
+    container_name: prometheus
+    image: prometheus:local
+    logging:
+      driver: journald
+      options:
+        tag: pdns-recursor
+    restart: unless-stopped
+    ports:
+      - 9090:9090
+    volumes:
+      - ${PROMETHEUS_CONFIG_FILE_PATH}:/config/prometheus.yaml:ro
+      - ${PROMETHEUS_DATA_PATH}:/data:rw
+

prometheus.yaml.dist

@@ -0,0 +1,58 @@
+global:
+  scrape_interval:     60s 
+  evaluation_interval: 60s
+  scrape_timeout: 60s
+
+  external_labels:
+    monitor: 'codelab-monitor'
+
+rule_files:
+  # - "first.rules"
+  # - "second.rules"
+
+scrape_configs:
+  - job_name: 'prometheus'
+
+    static_configs:
+      - targets: ['127.0.0.1:9090']
+
+  - job_name: 'netdata-one'
+
+    metrics_path: '/api/v1/allmetrics'
+    params:
+      # format: prometheus | prometheus_all_hosts
+      # You can use `prometheus_all_hosts` if you want Prometheus to set the `instance` to your hostname instead of IP 
+      format: [prometheus_all_hosts]
+      #
+      # sources: as-collected | raw | average | sum | volume
+      # default is: average
+      source: [as-collected]
+      #
+      # server name for this prometheus - the default is the client IP
+      # for Netdata to uniquely identify it
+      server: ['one.example.com']
+    honor_labels: true
+
+    static_configs:
+      - targets: ['10.0.0.1:19999']
+  
+  - job_name: 'netdata-two'
+
+    metrics_path: '/api/v1/allmetrics'
+    params:
+      # format: prometheus | prometheus_all_hosts
+      # You can use `prometheus_all_hosts` if you want Prometheus to set the `instance` to your hostname instead of IP 
+      format: [prometheus_all_hosts]
+      #
+      # sources: as-collected | raw | average | sum | volume
+      # default is: average
+      source: [as-collected]
+      #
+      # server name for this prometheus - the default is the client IP
+      # for Netdata to uniquely identify it
+      server: ['two.example.com']
+    honor_labels: true
+
+    static_configs:
+      - targets: ['10.0.0.2:19999']
+