Add jsonnet-libs mixins

Add blackbox exporter
Add mysql exporter

assets/MSSQL/alerts.yaml

@@ -0,0 +1,53 @@
+groups:
+- name: MSSQLAlerts
+  rules:
+  - alert: MSSQLHighNumberOfDeadlocks
+    annotations:
+      description: '{{ printf "%.2f" $value }} deadlocks have occurred over the last
+        5 minutes on {{$labels.instance}}, which is above threshold of 10 deadlocks.'
+      summary: There are deadlocks ocurring in the database.
+    expr: |
+      increase(mssql_deadlocks_total{}[5m]) > 10
+    for: 5m
+    labels:
+      severity: warning
+  - alert: MSSQLModerateReadStallTime
+    annotations:
+      description: '{{ printf "%.2f" $value }}ms of IO read stall has occurred on
+        {{$labels.instance}}, which is above threshold of 200ms.'
+      summary: There is a moderate amount of IO stall for database reads.
+    expr: |
+      1000 * increase(mssql_io_stall_seconds_total{operation="read"}[5m]) > 200
+    for: 5m
+    labels:
+      severity: warning
+  - alert: MSSQLHighReadStallTime
+    annotations:
+      description: '{{ printf "%.2f" $value }}ms of IO read stall has occurred on
+        {{$labels.instance}}, which is above threshold of 400ms.'
+      summary: There is a high amount of IO stall for database reads.
+    expr: |
+      1000 * increase(mssql_io_stall_seconds_total{operation="read"}[5m]) > 400
+    for: 5m
+    labels:
+      severity: critical
+  - alert: MSSQLModerateWriteStallTime
+    annotations:
+      description: '{{ printf "%.2f" $value }}ms of IO write stall has occurred on
+        {{$labels.instance}}, which is above threshold of 200ms.'
+      summary: There is a moderate amount of IO stall for database writes.
+    expr: |
+      1000 * increase(mssql_io_stall_seconds_total{operation="write"}[5m]) > 200
+    for: 5m
+    labels:
+      severity: warning
+  - alert: MSSQLHighWriteStallTime
+    annotations:
+      description: '{{ printf "%.2f" $value }}ms of IO write stall has occurred on
+        {{$labels.instance}}, which is above threshold of 400ms.'
+      summary: There is a high amount of IO stall for database writes.
+    expr: |
+      1000 * increase(mssql_io_stall_seconds_total{operation="write"}[5m]) > 400
+    for: 5m
+    labels:
+      severity: critical