NAS-122432 / 23.10 / add redis to community train (#1261)

* add `redis` to `community` train

* add extra validation

* add error message

* enclose pattern in squotes

* bump common

library/ix-dev/community/redis/Chart.lock

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+dependencies:
+- name: common
+  repository: file://../../../common
+  version: 1.0.9
+digest: sha256:c3eb00f142d5d1cdbff7843940c150a00bd916520363e6ee9f459ce61fa92b40
+generated: "2023-06-29T16:01:12.464571053+03:00"

library/ix-dev/community/redis/Chart.yaml

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+name: redis
+description: Redis. The open source, in-memory data store used by millions of developers as a database, cache, streaming engine, and message broker.
+annotations:
+  title: Redis
+type: application
+version: 1.0.0
+apiVersion: v2
+appVersion: 7.0.11
+kubeVersion: '>=1.16.0-0'
+maintainers:
+  - name: truenas
+    url: https://www.truenas.com/
+    email: dev@ixsystems.com
+dependencies:
+  - name: common
+    repository: file://../../../common
+    version: 1.0.9
+home: https://redis.io/
+icon: https://avatars.githubusercontent.com/u/1529926?s=200&v=4
+sources:
+  - https://hub.docker.com/r/bitnami/redis
+  - https://github.com/bitnami/containers/tree/main/bitnami/redis
+  - https://redis.io/
+keywords:
+  - cache

library/ix-dev/community/redis/README.md

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+# Redis
+
+[Redis](https://redis.io/). The open source, in-memory data store used by millions of developers as a database, cache, streaming engine, and message broker.
+
+> When application is installed, a container will be launched with **root** privileges.
+> This is required in order to apply the correct permissions to the `Redis` directories.
+> Afterward, the `Redis` container will run as a **non**-root user (`1001`) and root group.
+> All mounted storage(s) will be `chown`ed only if the parent directory does not match `1001` user.

library/ix-dev/community/redis/app-readme.md

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+# Redis
+
+[Redis](https://redis.io/). The open source, in-memory data store used by millions of developers as a database, cache, streaming engine, and message broker.
+
+> When application is installed, a container will be launched with **root** privileges.
+> This is required in order to apply the correct permissions to the `Redis` directories.
+> Afterward, the `Redis` container will run as a **non**-root user (`1001`) and root group.
+> All mounted storage(s) will be `chown`ed only if the parent directory does not match `1001` user.

library/ix-dev/community/redis/ci/basic-values.yaml

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+redisStorage:
+  data:
+    type: hostPath
+    hostPath: /mnt/{{ .Release.Name }}/data
+
+redisConfig:
+  password: pass

library/ix-dev/community/redis/ci/no-password-values.yaml

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+redisStorage:
+  data:
+    type: hostPath
+    hostPath: /mnt/{{ .Release.Name }}/data
+
+redisConfig:
+  allowEmptyPassword: true

library/ix-dev/community/redis/item.yaml

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+icon_url: https://avatars.githubusercontent.com/u/1529926?s=200&v=4
+screenshots: []
+categories:
+  - database
+tags:
+  - cache

library/ix-dev/community/redis/metadata.yaml

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+runAsContext:
+  - userName: redis
+    groupName: root
+    gid: 1001
+    uid: 0
+    description: Redis runs as a non-root user and root group.
+capabilities: []
+hostMounts: []

library/ix-dev/community/redis/questions.yaml

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+groups:
+  - name: Redis Configuration
+    description: Configure Redis
+  - name: Network Configuration
+    description: Configure Network for Redis
+  - name: Storage Configuration
+    description: Configure Storage for Redis
+  - name: Resources Configuration
+    description: Configure Resources for Redis
+
+questions:
+  - variable: redisConfig
+    label: ""
+    group: Redis Configuration
+    schema:
+      type: dict
+      attrs:
+        - variable: allowEmptyPassword
+          label: Allow Empty Password
+          description: |
+            Allow empty password for Redis.</br>
+            It's recommended to keep this disabled.
+          schema:
+            type: boolean
+            default: false
+        - variable: password
+          label: Password
+          description: Password for Redis.
+          schema:
+            type: string
+            required: true
+            private: true
+            # Character @ is not allowed in password
+            valid_chars: '^((?!@).)*$'
+            valid_chars_error: "Character @ is not allowed in password"
+            show_if: [[ "allowEmptyPassword", "=", false ]]
+            default: ""
+
+  - variable: redisNetwork
+    label: ""
+    group: Network Configuration
+    schema:
+      type: dict
+      attrs:
+        - variable: hostNetwork
+          label: Host Network
+          description: |
+            Bind to the host network. It's recommended to keep this disabled.</br>
+          schema:
+            type: boolean
+            default: false
+        - variable: redisPort
+          label: Redis Port
+          description: The port for Redis.
+          schema:
+            type: int
+            default: 30036
+            min: 9000
+            max: 65535
+            required: true
+
+  - variable: redisStorage
+    label: ""
+    group: Storage Configuration
+    schema:
+      type: dict
+      attrs:
+        - variable: data
+          label: Redis Data Storage
+          description: The path to store Redis Data.
+          schema:
+            type: dict
+            attrs:
+              - variable: type
+                label: Type
+                description: |
+                  ixVolume: Is dataset created automatically by the system.</br>
+                  Host Path: Is a path that already exists on the system.
+                schema:
+                  type: string
+                  required: true
+                  default: "ixVolume"
+                  enum:
+                    - value: "hostPath"
+                      description: Host Path (Path that already exists on the system)
+                    - value: "ixVolume"
+                      description: ixVolume (Dataset created automatically by the system)
+              - variable: datasetName
+                label: Dataset Name
+                schema:
+                  type: string
+                  show_if: [["type", "=", "ixVolume"]]
+                  required: true
+                  hidden: true
+                  immutable: true
+                  default: "data"
+                  $ref:
+                    - "normalize/ixVolume"
+              - variable: hostPath
+                label: Host Path
+                schema:
+                  type: hostpath
+                  show_if: [["type", "=", "hostPath"]]
+                  immutable: true
+                  required: true
+
+  - variable: resources
+    group: Resources Configuration
+    label: ""
+    schema:
+      type: dict
+      attrs:
+        - variable: limits
+          label: Limits
+          schema:
+            type: dict
+            attrs:
+              - variable: cpu
+                label: CPU
+                description: CPU limit for Redis.
+                schema:
+                  type: string
+                  default: "4000m"
+                  required: true
+              - variable: memory
+                label: Memory
+                description: Memory limit for Redis.
+                schema:
+                  type: string
+                  default: "8Gi"
+                  required: true

library/ix-dev/community/redis/templates/NOTES.txt

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+{{ include "ix.v1.common.lib.chart.notes" $ }}

library/ix-dev/community/redis/templates/_configuration.tpl

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+{{- define "redis.configuration" -}}
+configmap:
+  config:
+    enabled: true
+    data:
+      REDIS_PORT_NUMBER: {{ .Values.redisNetwork.redisPort | quote }}
+      ALLOW_EMPTY_PASSWORD: {{ ternary "yes" "no" .Values.redisConfig.allowEmptyPassword | quote }}
+      {{- if not .Values.redisConfig.allowEmptyPassword }}
+      REDIS_PASSWORD: {{ .Values.redisConfig.password | quote }}
+      {{- end }}
+{{- end -}}

library/ix-dev/community/redis/templates/_redis.tpl

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+{{- define "redis.workload" -}}
+workload:
+  redis:
+    enabled: true
+    primary: true
+    type: Deployment
+    podSpec:
+      hostNetwork: {{ .Values.redisNetwork.hostNetwork }}
+      securityContext:
+        fsGroup: 1001
+      containers:
+        redis:
+          enabled: true
+          primary: true
+          imageSelector: image
+          securityContext:
+            runAsUser: 1001
+            runAsGroup: 0
+            runAsNonRoot: false
+            readOnlyRootFilesystem: false
+          envFrom:
+            - configMapRef:
+                name: config
+          {{ with .Values.redisConfig.additionalEnvs }}
+          envList:
+            {{ range $env := . }}
+            - name: {{ $env.name }}
+              value: {{ $env.value }}
+            {{ end }}
+          {{ end }}
+          probes:
+            {{ $args := printf "-p %v" .Values.redisNetwork.redisPort }}
+            {{ if not .Values.redisConfig.allowEmptyPassword }}
+              {{ $args = printf "%v -a %v" $args .Values.redisConfig.password }}
+            {{ end }}
+            liveness:
+              enabled: true
+              type: exec
+              command:
+                - /bin/sh
+                - -c
+                - |
+                  redis-cli {{ $args }} ping | grep -q PONG
+            readiness:
+              enabled: true
+              type: exec
+              command:
+                - /bin/sh
+                - -c
+                - |
+                  redis-cli {{ $args }} ping | grep -q PONG
+            startup:
+              enabled: true
+              type: exec
+              command:
+                - /bin/sh
+                - -c
+                - |
+                  redis-cli {{ $args }} ping | grep -q PONG
+      initContainers:
+      {{- include "ix.v1.common.app.permissions" (dict "containerName" "01-permissions"
+                                                        "UID" 1001
+                                                        "GID" 1001
+                                                        "mode" "check"
+                                                        "type" "init") | nindent 8 }}
+{{/* Service */}}
+service:
+  redis:
+    enabled: true
+    primary: true
+    type: NodePort
+    targetSelector: redis
+    ports:
+      redis:
+        enabled: true
+        primary: true
+        port: {{ .Values.redisNetwork.redisPort }}
+        nodePort: {{ .Values.redisNetwork.redisPort }}
+        targetSelector: redis
+
+{{/* Persistence */}}
+persistence:
+  data:
+    enabled: true
+    type: {{ .Values.redisStorage.data.type }}
+    datasetName: {{ .Values.redisStorage.data.datasetName | default "" }}
+    hostPath: {{ .Values.redisStorage.data.hostPath | default "" }}
+    targetSelector:
+      redis:
+        redis:
+          mountPath: /bitnami/redis/data
+        01-permissions:
+          mountPath: /mnt/directories/data
+  tmp:
+    enabled: true
+    type: emptyDir
+    targetSelector:
+      redis:
+        redis:
+          mountPath: /tmp
+{{- end -}}

library/ix-dev/community/redis/templates/_validation.tpl

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+{{- define "redis.validation" -}}
+  {{- if not .Values.redisConfig.allowEmptyPassword -}}
+    {{- if not .Values.redisConfig.password -}}
+      {{- fail "Redis - Field [Password] is required when [Allow Empty Password] is false" -}}
+    {{- end -}}
+    {{- if contains "@" .Values.redisConfig.password -}}
+      {{- fail "Redis - Field [Password] cannot contain '@'" -}}
+    {{- end -}}
+  {{- end -}}
+
+{{- end -}}

library/ix-dev/community/redis/templates/common.yaml

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+{{- include "ix.v1.common.loader.init" . -}}
+
+{{/* Merge the templates with Values */}}
+{{- include "redis.validation" $ -}}
+{{- $_ := mustMergeOverwrite .Values (include "redis.configuration" $ | fromYaml) -}}
+{{- $_ := mustMergeOverwrite .Values (include "redis.workload" $ | fromYaml) -}}
+
+{{- include "ix.v1.common.loader.apply" . -}}

library/ix-dev/community/redis/upgrade_info.json

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+{"filename": "values.yaml", "keys": ["image"]}

library/ix-dev/community/redis/upgrade_strategy

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+#!/usr/bin/python3
+import json
+import re
+import sys
+
+from catalog_update.upgrade_strategy import semantic_versioning
+
+RE_STABLE_VERSION = re.compile(r'[1-9]+\.[0-9]+\.[0-9]+')
+
+
+def newer_mapping(image_tags):
+    key = list(image_tags.keys())[0]
+    tags = {t: t for t in image_tags[key] if RE_STABLE_VERSION.fullmatch(t)}
+    version = semantic_versioning(list(tags))
+    if not version:
+        return {}
+
+    return {
+        'tags': {key: tags[version]},
+        'app_version': version,
+    }
+
+
+if __name__ == '__main__':
+    try:
+        versions_json = json.loads(sys.stdin.read())
+    except ValueError:
+        raise ValueError('Invalid json specified')
+
+    print(json.dumps(newer_mapping(versions_json)))

library/ix-dev/community/redis/values.yaml

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+image:
+  repository: bitnami/redis
+  pullPolicy: IfNotPresent
+  tag: 7.0.11
+
+resources:
+  limits:
+    cpu: 4000m
+    memory: 8Gi
+
+redisConfig:
+  allowEmptyPassword: false
+  password: ''
+  additionalEnvs: []
+
+redisNetwork:
+  hostNetwork: false
+  redisPort: 30036
+
+redisStorage:
+  data:
+    type: ixVolume
+    datasetName: data