From b999bb36af59de899c2426c0ad35e4e04abc317d Mon Sep 17 00:00:00 2001
From: Patrick Jahns <github@patrickjahns.de>
Date: Thu, 17 Nov 2022 23:33:00 +0100
Subject: feat(helm): ability to monitor garage via prometheus

---
 script/helm/garage/templates/service.yaml        | 21 +++++++++++
 script/helm/garage/templates/servicemonitor.yaml | 44 ++++++++++++++++++++++++
 script/helm/garage/templates/workload.yaml       |  2 ++
 3 files changed, 67 insertions(+)
 create mode 100644 script/helm/garage/templates/servicemonitor.yaml

(limited to 'script/helm/garage/templates')

diff --git a/script/helm/garage/templates/service.yaml b/script/helm/garage/templates/service.yaml
index 2bfff99d..37218872 100644
--- a/script/helm/garage/templates/service.yaml
+++ b/script/helm/garage/templates/service.yaml
@@ -17,3 +17,24 @@ spec:
       name: s3-web
   selector:
     {{- include "garage.selectorLabels" . | nindent 4 }}
+{{- if .Values.monitoring.metrics.enabled }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "garage.fullname" . }}-metrics
+  labels:
+    {{- include "garage.labels" . | nindent 4 }}
+  annotations:
+    prometheus.io/scrape: "true"
+spec:
+  type: ClusterIP
+  clusterIP: None
+  ports:
+    - port: 3903
+      targetPort: 3903
+      protocol: TCP
+      name: metrics
+  selector:
+    {{- include "garage.selectorLabels" . | nindent 4 }}
+{{- end }}
\ No newline at end of file
diff --git a/script/helm/garage/templates/servicemonitor.yaml b/script/helm/garage/templates/servicemonitor.yaml
new file mode 100644
index 00000000..6838d09f
--- /dev/null
+++ b/script/helm/garage/templates/servicemonitor.yaml
@@ -0,0 +1,44 @@
+{{- if .Values.monitoring.metrics.serviceMonitor.enabled }}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "garage.fullname" . }}
+  {{- if .Values.monitoring.metrics.serviceMonitor.namespace }}
+  namespace: {{ tpl .Values.monitoring.metrics.serviceMonitor.namespace . }}
+  {{- else }}
+  namespace: {{ .Release.Namespace }}
+  {{- end }}
+  labels:
+    {{- include "garage.labels" . | nindent 4 }}
+    {{- with .Values.monitoring.metrics.serviceMonitor.labels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+spec:
+  endpoints:
+    - port: metrics
+    {{- with .Values.monitoring.metrics.serviceMonitor.interval }}
+      interval: {{ . }}
+    {{- end }}
+    {{- with .Values.monitoring.metrics.serviceMonitor.scrapeTimeout }}
+      scrapeTimeout: {{ . }}
+    {{- end }}
+      honorLabels: true
+      path: {{ .Values.monitoring.metrics.serviceMonitor.path }}
+      scheme: {{ .Values.monitoring.metrics.serviceMonitor.scheme }}
+    {{- with .Values.monitoring.metrics.serviceMonitor.tlsConfig }}
+      tlsConfig:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+    {{- with .Values.monitoring.metrics.serviceMonitor.relabelings }}
+      relabelings:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+  jobLabel: "{{ .Release.Name }}"
+  selector:
+    matchLabels:
+      {{- include "garage.selectorLabels" . | nindent 6 }}
+  namespaceSelector:
+    matchNames:
+      - {{ .Release.Namespace }}
+{{- end }}
\ No newline at end of file
diff --git a/script/helm/garage/templates/workload.yaml b/script/helm/garage/templates/workload.yaml
index b0303869..340c0054 100644
--- a/script/helm/garage/templates/workload.yaml
+++ b/script/helm/garage/templates/workload.yaml
@@ -61,6 +61,8 @@ spec:
               name: s3-api
             - containerPort: 3902
               name: web-api
+            - containerPort: 3903
+              name: admin
           volumeMounts:
             - name: meta
               mountPath: /mnt/meta
-- 
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