Update Prometheus-adapter addon to version 0.6.0

buildchain/buildchain/versions.py

@@ -174,8 +174,8 @@ def _version_prefix(version: str, prefix: str = 'v') -> str:
     ),
     Image(
         name='k8s-prometheus-adapter-amd64',
-        version='v0.5.0',
-        digest='sha256:acf4c4dc6aaa51e3004eebdc410b509db45d1a6ebd255457c5745f0b4671678f',
+        version='v0.6.0',
+        digest='sha256:b63dc612e3cb73f79d2401a4516f794f9f0a83002600ca72e675e41baecff437',
     ),
     Image(
         name='prometheus-config-reloader',

charts/prometheus-adapter/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: v0.5.0
+appVersion: v0.6.0
 description: A Helm chart for k8s prometheus adapter
 home: https://github.com/DirectXMan12/k8s-prometheus-adapter
 keywords:
@@ -17,4 +17,4 @@ name: prometheus-adapter
 sources:
 - https://github.com/kubernetes/charts
 - https://github.com/DirectXMan12/k8s-prometheus-adapter
-version: 1.4.0
+version: 2.3.1

charts/prometheus-adapter/README.md

@@ -4,7 +4,7 @@ Installs the [Prometheus Adapter](https://github.com/DirectXMan12/k8s-prometheus
 
 ## Prerequisites
 
-Kubernetes 1.11+
+Kubernetes 1.14+
 
 ## Installing the Chart
 
@@ -74,9 +74,9 @@ rules:
             resource: node
           namespace:
             resource: namespace
-          pod_name:
+          pod:
             resource: pod
-      containerLabel: container_name
+      containerLabel: container
     memory:
       containerQuery: sum(container_memory_working_set_bytes{<<.LabelMatchers>>}) by (<<.GroupBy>>)
       nodeQuery: sum(container_memory_working_set_bytes{<<.LabelMatchers>>,id='/'}) by (<<.GroupBy>>)
@@ -86,9 +86,9 @@ rules:
             resource: node
           namespace:
             resource: namespace
-          pod_name:
+          pod:
             resource: pod
-      containerLabel: container_name
+      containerLabel: container
     window: 3m
 ```
 
@@ -112,12 +112,14 @@ The following table lists the configurable parameters of the Prometheus Adapter
 | ------------------------------- | ------------------------------------------------------------------------------- | --------------------------------------------|
 | `affinity`                      | Node affinity                                                                   | `{}`                                        |
 | `image.repository`              | Image repository                                                                | `directxman12/k8s-prometheus-adapter-amd64` |
-| `image.tag`                     | Image tag                                                                       | `v0.5.0`                                    |
+| `image.tag`                     | Image tag                                                                       | `v0.6.0`                                    |
 | `image.pullPolicy`              | Image pull policy                                                               | `IfNotPresent`                              |
 | `image.pullSecrets`             | Image pull secrets                                                              | `{}`                                        |
 | `logLevel`                      | Log level                                                                       | `4`                                         |
+| `listenPort`                    | Port that application would listen on in the container                          | `6443`                                      |
 | `metricsRelistInterval`         | Interval at which to re-list the set of all available metrics from Prometheus   | `1m`                                        |
 | `nodeSelector`                  | Node labels for pod assignment                                                  | `{}`                                        |
+| `podLabels`                     | Labels to add to the pod                                                        | `{}`                                        |
 | `podAnnotations`                | Annotations to add to the pod                                                   | `{}`                                        |
 | `priorityClassName`             | Pod priority                                                                    | ``                                          |
 | `prometheus.url`                | Url of where we can find the Prometheus service                                 | `http://prometheus.default.svc`             |

charts/prometheus-adapter/templates/custom-metrics-apiserver-deployment.yaml

@@ -20,6 +20,9 @@ spec:
         chart: {{ template "k8s-prometheus-adapter.chart" . }}
         release: {{ .Release.Name }}
         heritage: {{ .Release.Service }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | trim | nindent 8 }}
+        {{- end }}
       name: {{ template "k8s-prometheus-adapter.name" . }}
       annotations:
         checksum/config: {{ include (print $.Template.BasePath "/custom-metrics-configmap.yaml") . | sha256sum }}
@@ -28,13 +31,16 @@ spec:
         {{- end }}
     spec:
       serviceAccountName: {{ template "k8s-prometheus-adapter.serviceAccountName" . }}
+      {{- if .Values.hostNetwork.enabled }}
+      hostNetwork: true
+      {{- end }}
       containers:
       - name: {{ .Chart.Name }}
         image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
         imagePullPolicy: {{ .Values.image.pullPolicy }}
         args:
         - /adapter
-        - --secure-port=6443
+        - --secure-port={{ .Values.listenPort }}
         {{- if .Values.tls.enable }}
         - --tls-cert-file=/var/run/serving-cert/tls.crt
         - --tls-private-key-file=/var/run/serving-cert/tls.key
@@ -46,7 +52,7 @@ spec:
         - --v={{ .Values.logLevel }}
         - --config=/etc/adapter/config.yaml
         ports:
-        - containerPort: 6443
+        - containerPort: {{ .Values.listenPort }}
           name: https
         livenessProbe:
           httpGet:

charts/prometheus-adapter/templates/custom-metrics-apiservice.yaml

@@ -1,3 +1,4 @@
+{{- if or .Values.rules.default .Values.rules.custom }}
 apiVersion: apiregistration.k8s.io/v1beta1
 kind: APIService
 metadata:
@@ -19,3 +20,4 @@ spec:
   insecureSkipTLSVerify: {{ if .Values.tls.enable }}false{{ else }}true{{ end }}
   groupPriorityMinimum: 100
   versionPriority: 100
+{{- end }}

charts/prometheus-adapter/templates/custom-metrics-cluster-role.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.rbac.create -}}
+{{- if and .Values.rbac.create (or .Values.rules.default .Values.rules.custom) -}}
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:

charts/prometheus-adapter/templates/custom-metrics-configmap.yaml

@@ -10,48 +10,49 @@ metadata:
     heritage: {{ .Release.Service }}
 data:
   config.yaml: |
+{{- if or .Values.rules.default .Values.rules.custom }}
     rules:
 {{- if .Values.rules.default }}
-    - seriesQuery: '{__name__=~"^container_.*",container_name!="POD",namespace!="",pod_name!=""}'
+    - seriesQuery: '{__name__=~"^container_.*",container!="POD",namespace!="",pod!=""}'
       seriesFilters: []
       resources:
         overrides:
           namespace:
             resource: namespace
-          pod_name:
+          pod:
             resource: pod
       name:
         matches: ^container_(.*)_seconds_total$
         as: ""
-      metricsQuery: sum(rate(<<.Series>>{<<.LabelMatchers>>,container_name!="POD"}[5m]))
+      metricsQuery: sum(rate(<<.Series>>{<<.LabelMatchers>>,container!="POD"}[5m]))
         by (<<.GroupBy>>)
-    - seriesQuery: '{__name__=~"^container_.*",container_name!="POD",namespace!="",pod_name!=""}'
+    - seriesQuery: '{__name__=~"^container_.*",container!="POD",namespace!="",pod!=""}'
       seriesFilters:
       - isNot: ^container_.*_seconds_total$
       resources:
         overrides:
           namespace:
             resource: namespace
-          pod_name:
+          pod:
             resource: pod
       name:
         matches: ^container_(.*)_total$
         as: ""
-      metricsQuery: sum(rate(<<.Series>>{<<.LabelMatchers>>,container_name!="POD"}[5m]))
+      metricsQuery: sum(rate(<<.Series>>{<<.LabelMatchers>>,container!="POD"}[5m]))
         by (<<.GroupBy>>)
-    - seriesQuery: '{__name__=~"^container_.*",container_name!="POD",namespace!="",pod_name!=""}'
+    - seriesQuery: '{__name__=~"^container_.*",container!="POD",namespace!="",pod!=""}'
       seriesFilters:
       - isNot: ^container_.*_total$
       resources:
         overrides:
           namespace:
             resource: namespace
-          pod_name:
+          pod:
             resource: pod
       name:
         matches: ^container_(.*)$
         as: ""
-      metricsQuery: sum(<<.Series>>{<<.LabelMatchers>>,container_name!="POD"}) by (<<.GroupBy>>)
+      metricsQuery: sum(<<.Series>>{<<.LabelMatchers>>,container!="POD"}) by (<<.GroupBy>>)
     - seriesQuery: '{namespace!="",__name__!~"^container_.*"}'
       seriesFilters:
       - isNot: .*_total$
@@ -82,6 +83,7 @@ data:
 {{- if .Values.rules.custom }}
 {{ toYaml .Values.rules.custom | indent 4 }}
 {{- end -}}
+{{- end -}}
 {{- if .Values.rules.external }}
     externalRules:
 {{ toYaml .Values.rules.external | indent 4 }}

charts/prometheus-adapter/templates/custom-metrics-resource-reader-cluster-role.yaml

@@ -19,4 +19,5 @@ rules:
   verbs:
   - get
   - list
+  - watch
 {{- end -}}

charts/prometheus-adapter/values.yaml

@@ -3,13 +3,15 @@ affinity: {}
 
 image:
   repository: directxman12/k8s-prometheus-adapter-amd64
-  tag: v0.5.0
+  tag: v0.6.0
   pullPolicy: IfNotPresent
 
 logLevel: 4
 
 metricsRelistInterval: 1m
 
+listenPort: 6443
+
 nodeSelector: {}
 
 priorityClassName: ""
@@ -71,9 +73,9 @@ rules:
 #           resource: node
 #         namespace:
 #           resource: namespace
-#         pod_name:
+#         pod:
 #           resource: pod
-#     containerLabel: container_name
+#     containerLabel: container
 #   memory:
 #     containerQuery: sum(container_memory_working_set_bytes{<<.LabelMatchers>>}) by (<<.GroupBy>>)
 #     nodeQuery: sum(container_memory_working_set_bytes{<<.LabelMatchers>>,id='/'}) by (<<.GroupBy>>)
@@ -83,9 +85,9 @@ rules:
 #           resource: node
 #         namespace:
 #           resource: namespace
-#         pod_name:
+#         pod:
 #           resource: pod
-#     containerLabel: container_name
+#     containerLabel: container
 #   window: 3m
 
 service:
@@ -123,5 +125,16 @@ extraVolumeMounts: []
 
 tolerations: []
 
+# Labels added to the pod
+podLabels: {}
+
 # Annotations added to the pod
 podAnnotations: {}
+
+hostNetwork:
+  # Specifies if prometheus-adapter should be started in hostNetwork mode.
+  #
+  # You would require this enabled if you use alternate overlay networking for pods and
+  # API server unable to communicate with metrics-server. As an example, this is required
+  # if you use Weave network on EKS
+  enabled: false

charts/render.py

@@ -190,6 +190,7 @@ def main():
         '--service-config',
         action='append',
         nargs=2,
+        required=False,
         dest="service_configs",
         help="Example: --service-config grafana metalk8s-grafana-config"
     )
@@ -212,16 +213,14 @@ def main():
             )
         )
 
-    sys.stdout.write(
-        START_BLOCK.format(
-            configlines='\n'.join(
-                ("{{%- set {} = salt.metalk8s_service_configuration"
-                 ".get_service_conf('{}', '{}') %}}").format(
-                    service_config[0], args.namespace, service_config[1]
-                ) for service_config in args.service_configs
-            )
-        ).lstrip()
-    )
+    config = '\n'.join(
+        ("{{%- set {} = salt.metalk8s_service_configuration"
+            ".get_service_conf('{}', '{}') %}}").format(
+            service_config[0], args.namespace, service_config[1]
+        ) for service_config in args.service_configs
+    ) if args.service_configs else ''
+
+    sys.stdout.write(START_BLOCK.format(configlines=config).lstrip())
     sys.stdout.write('\n')
 
     stream = io.StringIO()