adding various docker stack files

docker-stack/prometheus.conf.yml

@@ -0,0 +1,56 @@
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+  evaluation_interval: 15s
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  external_labels:
+    monitor: codelab-monitor
+
+##rule_files:
+##  - prometheus.rules.yml
+
+scrape_configs:
+  - job_name: prometheus
+    scrape_interval: 10s
+    static_configs:
+      - targets: ['localhost:9090']
+
+  - job_name: gitea
+    scrape_interval: 10s
+    #scheme: https
+    #static_configs:
+    #  - targets: ['gitea-service-host:3000']
+    dns_sd_configs:
+      - names: ['gitea-service-host']
+        type: A
+        port: 3000
+        refresh_interval: 30s
+
+  - job_name: node
+    scrape_interval: 10s
+    #scheme: https
+    #static_configs:
+    #  - targets: ['prometheus-node-exporter-service-host:9100']
+    ##dns_sd_configs:
+    ##  - names: ['prometheus-node-exporter-service-host']
+    ##    type: A
+    ##    port: 9100
+    ##    refresh_interval: 30s
+    dockerswarm_sd_configs:
+      - host: tcp://prometheus-socat-service-host:2375
+        role: nodes
+    relabel_configs:
+      - source_labels: [__meta_dockerswarm_node_address]
+        target_label: __address__
+        replacement: $1:9100
+      - source_labels: [__meta_dockerswarm_node_hostname]
+        target_label: instance
+
+  - job_name: cadvisor
+    scrape_interval: 10s
+    dns_sd_configs:
+      - names: ['cadvisor-service-host']
+        type: A
+        port: 8080
+        refresh_interval: 30s