[DO NOT MERGE] add roman chart

changelog.d/2-features/pr-2935

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+Roman charts are now available.

charts/roman/.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/roman/Chart.yaml

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+apiVersion: v2
+name: roman
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+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/roman/README.md

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+This is the helm chart for deploying Roman(https://github.com/wireapp/roman)
+
+Edit the values.yaml file and put required configuration.
+
+Refer to the Roman repo README file for details on all the variables.
+
+Also, Roman needs a PostgreSQL database, for the test purpose you can create a PostgreSQL deployment by using the bitnami/postgresql wrapper available at charts/postgresql

charts/roman/templates/_helpers.tpl

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

charts/roman/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: roman
+  labels:
+    app: roman
+spec:
+  replicas: {{ .Values.roman.replicaCount }}
+  selector:
+    matchLabels:
+      app: roman
+  template:
+    metadata:
+      labels:
+        app: roman
+    spec:
+      containers:
+        - name: roman
+          image: "{{ .Values.roman.image.repository }}:{{ .Values.roman.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: IfNotPresent
+
+          ports:
+            - containerPort: 8080
+              protocol: TCP
+            - containerPort: 8081
+              protocol: TCP
+            - containerPort: 8082
+              protocol: TCP
+
+          env:
+            - name: APP_KEY
+              valueFrom:
+                secretKeyRef:
+                  name: "roman-secrets"
+                  key: appKey
+
+            - name: ROMAN_PUB_KEY_BASE64
+              valueFrom:
+                secretKeyRef:
+                  name: "roman-secrets"
+                  key: pubKeyBase64
+
+            - name: PROXY_DOMAIN
+              value: "{{- if .Values.roman.proxyDomain }} {{ .Values.roman.proxyDomain }} {{- end }}"
+
+            - name: DB_URL
+              value: "{{ required "Must specify dbURL" .Values.roman.dbURL }}"
+
+            - name: WIRE_API_HOST
+              value: "{{ required "Must specify wireApiHost" .Values.roman.wireApiHost }}"
+
+            - name: DB_USER
+              value: "{{ required "Must specify dbUser" .Values.roman.dbUser }}"
+
+            - name: DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: "roman-secrets"
+                  key: dbPassword
+
+          startupProbe:
+            httpGet:
+              path: /api/status
+              port: 8080
+            failureThreshold: 6
+            periodSeconds: 5
+
+          livenessProbe:
+            httpGet:
+              path: /api/status
+              port: 8080
+
+          readinessProbe:
+            httpGet:
+              path: /api/status
+              port: 8080
+
+          resources:
+            requests:
+              memory: "1500Mi"
+              cpu: 50m
+            limits:
+              memory: "1500Mi"

charts/roman/templates/ingress.yaml

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+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: roman
+  labels:
+    app: roman
+  annotations:
+    kubernetes.io/ingress.class: nginx
+    nginx.ingress.kubernetes.io/enable-cors: "true"
+spec:
+  tls:
+  - hosts:
+      - "{{ required  "Must specify host" .Values.roman.publicURL }}"
+    # secretName: "{{ include "roman.fullname" . }}"
+  rules:
+    - host: "{{ .Values.roman.publicURL }}"
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              serviceName: roman
+              servicePort: 80

charts/roman/templates/secret-or-certificate.yaml

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+{{- if .Values.tls.issuerRef -}}
+{{- if or .Values.tls.key  .Values.tls.crt }}
+{{- fail "ingress.issuer and  ingress.{crt,key} are mutually exclusive" -}}
+{{- end -}}
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: roman
+  labels:
+    app: roman
+spec:
+  dnsNames:
+    - {{ .Values.roman.publicURL }}
+  secretName: "{{ include "roman.fullname" . }}"
+  issuerRef:
+    {{- toYaml .Values.tls.issuerRef | nindent 4 }}
+  privateKey:
+    rotationPolicy: Always
+    algorithm: ECDSA
+    size: 384
+{{- else if and .Values.tls.key .Values.tls.crt  -}}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: "{{ include "roman.fullname" . }}"
+  labels:
+    app: roman
+type: kubernetes.io/tls
+data:
+  tls.key: {{ required "tls.key is required" .Values.tls.key | b64enc }}
+  tls.crt: {{ required "tls.crt is required" .Values.tls.crt | b64enc }}
+{{- else -}}
+{{- fail "must specify tls.key and tls.crt , or tls.issuerRef" -}}
+{{- end -}}

charts/roman/templates/secret-token.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: "roman-secrets"
+type: Opaque
+data:
+  appKey: "{{ required "Must specify serviceToken" .Values.roman.appKey | b64enc }}"
+  dbPassword: "{{ required "Must specify dbPassword" .Values.roman.dbPassword | b64enc }}"
+  pubKeyBase64: "{{ required "Must specify dbPassword" .Values.roman.pubKeyBase64 | b64enc }}"

charts/roman/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: roman
+  labels:
+    app: roman
+spec:
+  type: ClusterIP
+  ports:
+    - port: 80
+      targetPort: 8080
+      protocol: TCP
+      name: http
+  selector:
+    app: roman

charts/roman/values.yaml

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+# Default values for roman.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+roman:
+  replicaCount: 1
+  image:
+    repository: quay.io/wire/roman
+    # Overrides the image tag whose default is the chart appVersion.
+    tag: staging
+  serviceToken: # Provide the roman service token.
+  # randomly generated for local testing
+  appKey: b53181dd-6400-4960-8988-f775545588ff-0949f503-421e-4588-a2c5-f64fd9c180fd
+  wireApiHost: https://nginz-https.example.com
+  proxyDomain:
+  # random base 64 string used as certificate, replace with real one
+  pubKeyBase64: LS0tLS1CRUdJTiBQVcFQvWjcKMlczd1A1TzJveFVCTElDIEtFWS0tLS0tCg==
+  publicURL: roman.example.com # Link to the subdomain pointing to roman.
+  dbURL: jdbc:postgresql://postgresql:5432/externalPostgresql # Link to your Postgres server.
+  dbUser: # Provide your Postgres DB username.
+  dbPassword: # Provide your Postgres DB password.
+
+tls:
+  issuerRef:
+    name: letsencrypt-http01