Helm

charts/.helmignore

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+# 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/Chart.yaml

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+apiVersion: v2
+name: cluster-thruster
+description: A helm chart for the cluster thruster api, which starts the server, aswell as a mongodb instance
+
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"

charts/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "cluster-thruster.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 "cluster-thruster.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 "cluster-thruster.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "cluster-thruster.labels" -}}
+helm.sh/chart: {{ include "cluster-thruster.chart" . }}
+{{ include "cluster-thruster.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "cluster-thruster.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "cluster-thruster.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "cluster-thruster.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "cluster-thruster.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

charts/templates/mongo_db.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mongodb-deployment
+  labels:
+    app: mongodb
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mongodb
+  template:
+    metadata:
+      labels:
+        app: mongodb
+    spec:
+      containers:
+        - name: mongodb
+          image: mongo
+          ports:
+            - containerPort: 27017
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mongodb-service
+spec:
+  selector:
+    app: mongodb
+  ports:
+    - protocol: TCP
+      port: 27017
+      targetPort: 27017

charts/templates/tests/test-connection.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "cluster-thruster.fullname" . }}-test-connection"
+  labels:
+    {{- include "cluster-thruster.labels" . | nindent 4 }}
+  annotations:
+    "helm.sh/hook": test
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args: ['{{ include "cluster-thruster.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never

charts/templates/thruster.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: cluster-thruster
+spec:
+  selector:
+    matchLabels:
+      run: cluster-thruster
+  template:
+    metadata:
+      labels:
+        run: cluster-thruster
+    spec:
+      containers:
+        - name: cluster-thruster
+          image: cluster-thruster
+          ports:
+            - containerPort: 8080
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: cluster-thruster-external
+spec:
+  clusterIP: 10.102.68.76
+  type: LoadBalancer
+  selector:
+    run: cluster-thruster
+  ports:
+    - name: http
+      protocol: TCP
+      port: 8080

charts/values.yaml

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+# Default values configuration for the cluster thruster backend.
+# Feel free to create your own version according to your requirements
+#
+# As for naming conventions:
+# - start with lower case letters
+# - use camelcase
+#
+# For every property in this file we expect you write a docstring with a short
+# explanation on said property

skaffold.yml

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+apiVersion: skaffold/v2beta29
+kind: Config
+metadata:
+  name: app
+build:
+  artifacts:
+    - image: cluster-thruster
+      context: .
+deploy:
+  kubectl:
+    manifests:
+      - ./kubernetes/mongo_db.yml
+      - ./kubernetes/thruster.yml
+profiles:
+  # "gcb" profile allows building and pushing the images
+  # on Google Container Builder without requiring docker
+  # installed on the developer machine. However, note that
+  # since GCB does not cache the builds, each build will
+  # start from scratch and therefore take a long time.
+  #
+  # This is not used by default. To use it, run:
+  #     skaffold run -p gcb
+  - name: gcb
+    build:
+      googleCloudBuild:
+        diskSizeGb: 300
+        machineType: N1_HIGHCPU_32
+        timeout: 4000s