FORMAT: use jsonnet for templating

* add jsonnet templates
* rewrite all charts to jsonnet

k8s-manifests/monitoring/prometheus/prometheus-stack-crds.jsonnet

@@ -0,0 +1,14 @@
+# vim:expandtab:
+local argoapp = import "../../../_templates/argo_app.template";
+local vars = import "prometheus_vars";
+
+[
+argoapp + {
+  name:: "prometheus-crds",
+  namespace:: vars.namespace,
+  repo:: "https://github.com/prometheus-community/helm-charts.git",
+  path:: "charts/kube-prometheus-stack/crds/",
+  version:: "kube-prometheus-stack-" + vars.version,
+  syncOptions:: ["CreateNamespace=true", "Replace=true"]
+}
+]

k8s-manifests/monitoring/prometheus/prometheus-stack.jsonnet

@@ -0,0 +1,54 @@
+# vim:expandtab:
+local helmapp = import "../../../_templates/argo_helm_app.template";
+local vars = import "prometheus_vars";
+
+[
+helmapp + {
+  name:: "prometheus-grafana",
+  namespace: vars.namespace,
+  repo:: "https://prometheus-community.github.io/helm-charts",
+  chart:: "kube-prometheus-stack",
+  version:: vars.version,
+  skipCrds:: true,
+  values:: |||
+    kubeProxy:
+      enabled: false
+    kubeScheduler:
+      enabled: false
+    kubeControllerManager:
+      enabled: false
+    alertmanager:
+      config:
+        global:
+          resolve_timeout: 5m
+        route:
+          group_by: ['alertname', 'cluster']
+          group_wait: 30s
+          group_interval: 5m
+          repeat_interval: 12h
+          receiver: 'pushover'
+          routes:
+            - receiver: 'null'
+              matchers:
+                - alertname="Watchdog"
+            - receiver: 'null'
+              matchers:
+                - alertname="InfoInhibitor"
+        receivers:
+          - name: 'null'
+          - name: 'pushover'
+            pushover_configs:
+              - user_key: x9PipXt1zGOU31OJH9Osv18BFrlRhw
+                token: aqvce1uukerhxhayxdq85wgtdh2c5r
+    prometheus:
+      prometheusSpec:
+        storageSpec:
+          volumeClaimTemplate:
+            spec:
+              accessModes: ["ReadWriteOnce"]
+              resources:
+                requests:
+                  storage: 10Gi
+  |||
+}
+]

k8s-manifests/monitoring/prometheus/prometheus_vars

@@ -0,0 +1,4 @@
+{
+	"version": "34.6.0",
+	"namespace": "metrics"
+}