Add matrix, plex and deluge

roles/monitoring-docker/files/monitoring/prometheus/alert.rules

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+ALERT service_down
+  IF up == 0
+  
+ALERT high_load
+  IF node_load1 > 0.5
+  ANNOTATIONS {
+      summary = "Instance {{ $labels.instance }} under high load",
+      description = "{{ $labels.instance }} of job {{ $labels.job }} is under high load.",
+  }

roles/monitoring-docker/files/monitoring/prometheus/prometheus.yml

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+# my global config
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+  evaluation_interval: 15s # By default, scrape targets every 15 seconds.
+  # scrape_timeout is set to the global default (10s).
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  external_labels:
+      monitor: 'banditlair'
+
+# Load and evaluate rules in this file every 'evaluation_interval' seconds.
+rule_files:
+  - "alert.rules"
+  # - "first.rules"
+  # - "second.rules"
+
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+scrape_configs:
+  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'prometheus'
+
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+
+    # metrics_path defaults to '/metrics'
+    # scheme defaults to 'http'.
+
+    static_configs:
+         - targets: ['localhost:9090','cadvisor:8080','node-exporter:9100']