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feat(argocd): Helm chart for Argo CD applications (#10)
This PR is for creating a Helm chart for gateway argo CD applications which will be synced with Helm repository. [TD-912](https://glassdomeinc.atlassian.net/browse/TD-912) [TD-912]: https://glassdomeinc.atlassian.net/browse/TD-912?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ
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‎charts/gateway-argocd/.helmignore‎

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

‎charts/gateway-argocd/Chart.yaml‎

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apiVersion: v2
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name: gateway-argocd
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description: Gateway Argo CD
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# A chart can be either an 'application' or a 'library' chart.
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#
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# Application charts are a collection of templates that can be packaged into versioned archives
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# to be deployed.
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#
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# Library charts provide useful utilities or functions for the chart developer. They're included as
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# a dependency of application charts to inject those utilities and functions into the rendering
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# pipeline. Library charts do not define any templates and therefore cannot be deployed.
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type: application
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# This is the chart version. This version number should be incremented each time you make changes
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# to the chart and its templates, including the app version.
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# Versions are expected to follow Semantic Versioning (https://semver.org/)
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version: 0.1.0
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# This is the version number of the application being deployed. This version number should be
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# incremented each time you make changes to the application. Versions are not expected to
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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "0.1.0"

‎charts/gateway-argocd/templates/_helpers.tpl‎

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "gateway-argocd.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "gateway-argocd.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "gateway-argocd.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "gateway-argocd.labels" -}}
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helm.sh/chart: {{ include "gateway-argocd.chart" . }}
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{{ include "gateway-argocd.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "gateway-argocd.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "gateway-argocd.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "gateway-argocd.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "gateway-argocd.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}

‎charts/gateway-argocd/templates/gateway-argocd.yaml‎

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apiVersion: argoproj.io/v1alpha1
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kind: Application
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metadata:
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name: gateway-argocd
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namespace: argocd
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labels:
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name: gateway-argocd
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spec:
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project: gateway
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source:
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repoURL: https://charts.glassdome.com/
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targetRevision: "*"
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chart: gateway-argocd
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destination:
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server: https://kubernetes.default.svc
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namespace: argocd
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syncPolicy:
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automated:
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prune: true
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selfHeal: true
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syncOptions:
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- PrunePropagationPolicy=foreground
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- PruneLast=true

‎charts/gateway-argocd/templates/gateway-console.yaml‎

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apiVersion: argoproj.io/v1alpha1
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kind: Application
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metadata:
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name: gateway-console
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namespace: argocd
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labels:
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name: gateway-console
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spec:
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project: gateway
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source:
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repoURL: https://charts.glassdome.com/
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targetRevision: "*"
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chart: glassdome-gateway-console
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destination:
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server: https://kubernetes.default.svc
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namespace: glassdome-gateway-console
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syncPolicy:
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automated:
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prune: true
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selfHeal: true
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syncOptions:
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- CreateNamespace=true
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- PrunePropagationPolicy=foreground
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- PruneLast=true

‎charts/gateway-argocd/templates/gateway-project.yaml‎

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apiVersion: argoproj.io/v1alpha1
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kind: AppProject
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metadata:
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name: gateway
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namespace: argocd
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# Finalizer that ensures that project is not deleted until it is not referenced by any application
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finalizers:
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- resources-finalizer.argocd.argoproj.io
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spec:
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description: gateway
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sourceRepos:
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- "*"
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destinations:
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- namespace: glassdome-gateway-console
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server: https://kubernetes.default.svc
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name: in-cluster
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- namespace: argocd
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server: https://kubernetes.default.svc
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name: in-cluster
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clusterResourceWhitelist:
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- group: ""
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kind: Namespace

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