fix: add chart files

.gitignore

@@ -238,8 +238,6 @@ $RECYCLE.BIN/
 # End of https://www.toptal.com/developers/gitignore/api/go,jetbrains+all,visualstudiocode,sublimetext,macos,osx,windows,linux
 
 # Custom
-health_exporter
-health-exporter
 app
 config.yaml
 

charts/health-exporter/.helmignore

@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/health-exporter/Chart.yaml

@@ -0,0 +1,8 @@
+apiVersion: v2
+name: health-exporter
+home: https://github.com/snapp-cab/health-exporter
+sources:
+  - https://github.com/snapp-cab/health-exporter.git
+type: application
+version: 0.3.0
+appVersion: 1.0.0

charts/health-exporter/README.md

@@ -0,0 +1 @@
+# Helm chart for health-exporter

charts/health-exporter/templates/_helpers.tpl

@@ -0,0 +1,32 @@
+
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "health_exporter.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "health_exporter.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "health_exporter.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

charts/health-exporter/templates/cm.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: '{{ template "health_exporter.fullname" . }}'
+  namespace: '{{ .Release.Namespace }}'
+data:
+  config.yaml: |
+    {{- toYaml .Values.config | default "{}" | nindent 4 }}

charts/health-exporter/templates/deploy.yaml

@@ -0,0 +1,70 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: '{{ template "health_exporter.fullname" . }}'
+  namespace: '{{ .Release.Namespace }}'
+  labels:
+    app: '{{ template "health_exporter.fullname" . }}'
+spec:
+  replicas: {{ .Values.replicas }}
+  selector:
+    matchLabels:
+      app: '{{ template "health_exporter.fullname" . }}'
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 1
+      maxSurge: 0
+  template:
+    metadata:
+      labels:
+        app: '{{ template "health_exporter.fullname" . }}'
+    spec:
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - labelSelector:
+              matchExpressions:
+              - key: app
+                operator: In
+                values:
+                - '{{ template "health_exporter.fullname" . }}'
+            topologyKey: "kubernetes.io/hostname"
+      containers:
+      - name: health-exporter
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+        volumeMounts:
+        - mountPath: /app/config.yaml
+          name: config
+          subPath: config.yaml
+        imagePullPolicy: Always
+        resources:
+          {{- toYaml .Values.resources | nindent 10 }}
+        ports:
+        - containerPort: '{{ .Values.config.listen }}'
+        livenessProbe:
+          failureThreshold: 3
+          httpGet:
+            path: /healthz
+            port: '{{ .Values.config.listen }}'
+            scheme: HTTP
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+        readinessProbe:
+          failureThreshold: 3
+          httpGet:
+            path: /healthz
+            port: '{{ .Values.config.listen }}'
+            scheme: HTTP
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+      volumes:
+        - name: config
+          configMap:
+            defaultMode: 420
+            name: '{{ template "health_exporter.fullname" . }}'
+            items:
+            - key: config.yaml
+              path: config.yaml

charts/health-exporter/templates/hpa.yaml

@@ -0,0 +1,28 @@
+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "health_exporter.fullname" . }}
+  labels:
+    {{- include "health_exporter.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "health_exporter.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}

charts/health-exporter/templates/svc.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: '{{ template "health_exporter.fullname" . }}'
+  namespace: '{{ .Release.Namespace }}'
+spec:
+  ports:
+  - name: web
+    port: 8080
+    protocol: TCP
+    targetPort: '{{ .Values.config.listen }}'
+  selector:
+    app: '{{ template "health_exporter.fullname" . }}'

charts/health-exporter/values.yaml

@@ -0,0 +1,39 @@
+# Default values for health-exporter.
+image:
+  repository: "spc35771/health-exporter"
+  tag: "latest"
+replicas: 1
+resources:
+  limits:
+    memory: "100Mi"
+    cpu: "1"
+  requests:
+    memory: "100Mi"
+    cpu: "1"
+
+autoscaling:
+  enabled: false
+  minReplicas: 2
+  maxReplicas: 4
+  targetCPUUtilizationPercentage: 80
+  targetMemoryUtilizationPercentage: 80
+
+config:
+  listen: ':9876'
+  targets:
+    http:
+      - name: 'sample'
+        url: 'http://google.com'
+        rps: 0.5
+        timeout: '5s'
+      - name: 'google-tls'
+        url: 'https://google.com'
+        rps: 0.5
+        timeout: '5s'
+        tls_skip_verify: true
+    dns:
+      - name: 'google'
+        domain: 'google.com'
+        record_type: 'A'
+        rps: 0.5
+        timeout: '2s'