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Initial auth proxy chart
Signed-off-by: Han Verstraete (OpenFaaS Ltd) <[email protected]>
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‎chart/auth-proxy/.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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*~
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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/

‎chart/auth-proxy/Chart.yaml‎

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apiVersion: v1
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description: OpenFaaS Authentication Proxy
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name: auth-proxy
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version: 0.0.1
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sources:
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- https://github.com/openfaas/faas-netes
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home: https://www.openfaas.com
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icon: https://raw.githubusercontent.com/openfaas/media/master/OpenFaaS_logo_stacked_opaque.png
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keywords:
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- functions
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- serverless
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- faas
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maintainers:
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- name: alexellis
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email: [email protected]
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- name: welteki
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email: [email protected]

‎chart/auth-proxy/templates/_helpers.tpl‎

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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "connector.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 "connector.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 "connector.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 "connector.labels" -}}
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helm.sh/chart: {{ include "connector.chart" . }}
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app.kubernetes.io/name: {{ include "connector.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/component: auth-proxy
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app.kubernetes.io/part-of: openfaas
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end -}}

‎chart/auth-proxy/templates/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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# Original Helm labels v
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app: {{ template "connector.name" . }}
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component: auth-proxy
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chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
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heritage: {{ .Release.Service }}
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release: {{ .Release.Name }}
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{{- include "connector.labels" . | nindent 4 }}
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name: {{ template "connector.fullname" . }}
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namespace: {{ .Release.Namespace | quote }}
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: {{ template "connector.name" . }}
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name: {{ template "connector.name" . }}
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component: auth-proxy
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template:
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metadata:
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labels:
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app: {{ template "connector.name" . }}
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name: {{ template "connector.name" . }}
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component: auth-proxy
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spec:
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{{- if .Values.accessTokenSecret }}
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serviceAccountName: {{ template "connector.fullname" . }}
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{{- end }}
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volumes:
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- name: license
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secret:
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secretName: openfaas-license
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{{- if .Values.accessTokenSecret }}
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- name: openfaas-token
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projected:
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sources:
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- serviceAccountToken:
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path: openfaas-token
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expirationSeconds: 7200
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audience: {{ .Values.gatewayURL }}
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- name: access-token-secret
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secret:
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secretName: {{ .Values.accessTokenSecret }}
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{{- end }}
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{{- if .Values.iam.loginIssuer.clientSecret }}
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- name: oauth-client-secret
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secret:
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secretName: {{ .Values.iam.loginIssuer.clientSecret }}
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{{- end }}
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containers:
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- name: auth-proxy
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image: {{ .Values.image }}
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command:
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- "/usr/bin/proxy"
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- "-license-file=/var/secrets/license/license"
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env:
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- name: "public_url"
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value: {{ .Values.url | quote }}
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- name: gateway_url
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value: {{ .Values.gatewayURL | quote }}
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- name: "debug"
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value: "{{ .Values.logs.debug }}"
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- name: "log_encoding"
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value: "{{ .Values.logs.format }}"
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{{- if .Values.iam.systemIssuer.url }}
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- name: system_issuer
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value: {{ .Values.iam.systemIssuer.url }}
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{{- end }}
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{{- if .Values.iam.loginIssuer.url }}
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- name: login_issuer
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value: {{ .Values.iam.loginIssuer.url }}
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- name: login_issuer_client_id
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value: {{ .Values.iam.loginIssuer.clientId }}
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{{- end }}
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resources:
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{{- .Values.resources | toYaml | nindent 12 }}
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volumeMounts:
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- name: license
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readOnly: true
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mountPath: "/var/secrets/license"
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{{- if .Values.accessTokenSecret }}
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- name: openfaas-token
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readOnly: true
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mountPath: /var/secrets/tokens
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- name: access-token-secret
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readOnly: true
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mountPath: /var/secrets/access_token
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{{- end }}
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{{- if .Values.iam.loginIssuer.clientSecret }}
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- name: oauth-client-secret
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readOnly: true
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mountPath: /var/secrets/oauth
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{{- end }}
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ports:
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- name: http
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containerPort: 8080
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protocol: TCP
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{ toYaml . | indent 8 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity:
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{{ toYaml . | indent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{ toYaml . | indent 8 }}
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{{- end }}

‎chart/auth-proxy/templates/policy.yaml‎

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{{- if .Values.accessTokenSecret }}
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apiVersion: iam.openfaas.com/v1
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kind: Policy
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metadata:
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name: {{ template "connector.fullname" . }}
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namespace: openfaas
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labels:
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{{- include "connector.labels" . | nindent 4 }}
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spec:
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statement:
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- sid: 1-invoke
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action:
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- Function:Invoke
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effect: Allow
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resource:
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{{- toYaml .Values.iam.resource | nindent 6 }}
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{{- end }}

‎chart/auth-proxy/templates/role.yaml‎

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{{- if .Values.accessTokenSecret }}
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apiVersion: iam.openfaas.com/v1
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kind: Role
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metadata:
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name: {{ template "connector.fullname" . }}
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namespace: openfaas
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labels:
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{{- include "connector.labels" . | nindent 4 }}
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spec:
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policy:
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- {{ template "connector.fullname" . }}
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principal:
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jwt:sub:
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- "system:serviceaccount:{{ .Release.Namespace }}:{{ template "connector.fullname" . }}"
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condition:
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StringEqual:
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jwt:iss:
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- {{.Values.iam.kubernetesIssuer.url}}
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{{- end }}

‎chart/auth-proxy/templates/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: auth-proxy
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namespace: {{ .Release.Namespace | quote }}
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labels:
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app: {{ template "connector.name" . }}
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chart: {{ .Chart.Name }}-{{ .Chart.Version }}
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component: auth-proxy
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heritage: {{ .Release.Service }}
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release: {{ .Release.Name }}
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spec:
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type: ClusterIP
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ports:
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- port: 8080
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name: http
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protocol: TCP
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targetPort: http
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selector:
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app: auth-proxy

‎chart/auth-proxy/templates/serviceaccount.yaml‎

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{{- if .Values.accessTokenSecret }}
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ template "connector.fullname" . }}
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namespace: {{ .Release.Namespace | quote }}
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labels:
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{{- include "connector.labels" . | nindent 4 }}
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{{- end }}

‎chart/auth-proxy/values.yaml‎

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image: docker.io/welteki/auth-proxy:v0.0.1-3-g1b1b4b3
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url: "https://auth-proxy.example.com"
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gatewayURL: http://gateway.openfaas.svc.cluster.local:8080
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accessTokenSecret: ""
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iam:
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# URL for the OpenFaaS system components issuer.
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# This is usually the public url of the gateway.
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systemIssuer:
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url: "http://gateway.openfaas.svc.cluster.local:8080"
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# URL for the Kubernetes service account issuer.
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kubernetesIssuer:
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url: https://kubernetes.default.svc.cluster.local
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# Use same configuration as the dashboardIssuer in the OpenFaaS chart
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loginIssuer:
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url: ""
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clientId: ""
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clientSecret: ""
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# Function resources the auth-proxy should be allow to invoke.
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resource: ["*"]
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resources:
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requests:
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memory: "64Mi"
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cpu: "100m"
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# limits:
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# memory: "256Mi"
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nodeSelector: {}
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tolerations: []
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affinity: {}
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logs:
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# Log debug messages
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debug: false
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# Set the log format, supports console or json
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format: "console"

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