NAS-121334 / 23.10 / Add ElasticSearch chart to `charts` (#1078)

* Add elastic-search to charts train

* Add read-me

* bump common

* add description

* quote all default string values

.github/workflows/charts_tests.yaml

@@ -38,7 +38,7 @@ jobs:
           python-version: "3.10"
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@afea100a513515fbd68b0e72a7bb0ae34cb62aec # tag=v2.3.1
+        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # tag=v2.4.0
 
       - name: Run chart-testing (lint)
         id: lint

library/ix-dev/charts/elastic-search/Chart.lock

@@ -0,0 +1,6 @@
+dependencies:
+- name: common
+  repository: file://../../../common
+  version: 1.0.3
+digest: sha256:1a090020cfa582aff29906320874ffe9b543fcc6c2423c281f434514f2653e02
+generated: "2023-04-05T18:36:45.107184615+03:00"

library/ix-dev/charts/elastic-search/Chart.yaml

@@ -0,0 +1,25 @@
+name: elastic-search
+description: Elasticsearch is the distributed, RESTful search and analytics engine at the heart of the Elastic Stack.
+annotations:
+  title: Elastic Search
+type: application
+version: 1.0.0
+apiVersion: v2
+appVersion: '8.7.0'
+kubeVersion: '>=1.16.0-0'
+maintainers:
+  - name: truenas
+    url: https://www.truenas.com/
+dependencies:
+  - name: common
+    repository: file://../../../common
+    version: 1.0.3
+home: https://www.elastic.co
+icon: https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt280217a63b82a734/6202d3378b1f312528798412/elastic-logo.svg
+sources:
+  - https://www.elastic.co/
+  - https://github.com/truenas/charts/tree/master/charts/elastic-search
+  - https://www.elastic.co/guide/en/elasticsearch/reference/master/docker.html#docker-configuration-methods
+keywords:
+  - search
+  - elastic

library/ix-dev/charts/elastic-search/README.md

@@ -0,0 +1,10 @@
+# Elastic Search
+
+> During the installation process, a container will be launched with **root** privileges. This is required
+> in order to apply the correct permissions to the `Elastic Search` data directory. Afterward, the `Elastic Search` container
+> will run as a **non**-root user (default `568`).
+
+If you want to apply additional configuration you can by using additional environment variables.
+
+See the [Elastic Search documentation](https://www.elastic.co/guide/en/elasticsearch/reference/master/docker.html#docker-configuration-methods)
+for more information.

library/ix-dev/charts/elastic-search/app-readme.md

@@ -0,0 +1,10 @@
+# Elastic Search
+
+> During the installation process, a container will be launched with **root** privileges. This is required
+> in order to apply the correct permissions to the `Elastic Search` data directory. Afterward, the `Elastic Search` container
+> will run as a **non**-root user (default `568`).
+
+If you want to apply additional configuration you can by using additional environment variables.
+
+See the [Elastic Search documentation](https://www.elastic.co/guide/en/elasticsearch/reference/master/docker.html#docker-configuration-methods)
+for more information.

library/ix-dev/charts/elastic-search/ci/basic-values.yaml

@@ -0,0 +1,8 @@
+esStorage:
+  data:
+    type: hostPath
+    hostPath: /mnt/{{ .Release.Name }}/data
+
+esConfig:
+  password: some-secret
+  nodeName: Elastic Search Basic

library/ix-dev/charts/elastic-search/ci/https-values.yaml

@@ -0,0 +1,97 @@
+esStorage:
+  data:
+    type: hostPath
+    hostPath: /mnt/{{ .Release.Name }}/data
+
+esConfig:
+  password: some-https-secret
+  nodeName: Elastic Search HTTPS
+
+esNetwork:
+  certificateID: 1
+
+ixCertificates:
+  "1":
+    certificate: |
+      -----BEGIN CERTIFICATE-----
+      MIIEdjCCA16gAwIBAgIDYFMYMA0GCSqGSIb3DQEBCwUAMGwxDDAKBgNVBAMMA2Fz
+      ZDELMAkGA1UEBhMCVVMxDTALBgNVBAgMBGFzZGYxCzAJBgNVBAcMAmFmMQ0wCwYD
+      VQQKDARhc2RmMQwwCgYDVQQLDANhc2QxFjAUBgkqhkiG9w0BCQEWB2FAYS5jb20w
+      HhcNMjEwODMwMjMyMzU0WhcNMjMxMjAzMjMyMzU0WjBuMQswCQYDVQQDDAJhZDEL
+      MAkGA1UEBhMCVVMxDTALBgNVBAgMBGFzZGYxDTALBgNVBAcMBGFzZGYxDTALBgNV
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+      MymJLoq8+mzucRwFkOkR2EIt1x+Irl2mJVMeBow63rVZfUQBD8h++LqB
+      -----END CERTIFICATE-----
+      -----BEGIN CERTIFICATE-----
+      MIIEhDCCA2ygAwIBAgIDYFMXMA0GCSqGSIb3DQEBCwUAMGwxDDAKBgNVBAMMA2Fz
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+      SIb3DQEJARYHYUBhLmNvbYIDYFMXMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF
+      BQcDAjAOBgNVHQ8BAf8EBAMCAQYwDQYJKoZIhvcNAQELBQADggEBAKEocOmVuWlr
+      zegtKYMe8NhHIkFY9oVn5ym6RHNOJpPH4QF8XYC3Z5+iC5yGh4P/jVe/4I4SF6Ql
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+      2No34DQLgqSmST/LAvPM7Cbp6knYgnKmGr1nETCXasg1cueHLnWWTvps2HiPp2D/
+      +Fq0uqcZLu4Mdo0CPs4e5sHRyldEnRSKh0DVLprq9zr/GMipmPLJUsT5Jed3sj0w
+      M7Y3vwxshpo=
+      -----END CERTIFICATE-----
+    privatekey: |
+      -----BEGIN PRIVATE KEY-----
+      MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQC7+1xOHRQyOnQT
+      HFcrdasXZl0gzutVlA890a1wiQpdD5dOtCLo7+eqVYjqVKo9W8RUIArXWmBu/Abk
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+      +Zie331tAzV6QV39KKxRflNx/yuWrtIEslGTm+xHKoCYJEk/nZ3mX8Y5hG6wWAb7
+      A/FuDVg3AgMBAAECggEAapt30rj9DitGTtxAt13pJMEhyYxvvD3WkvmJwguF/Bbu
+      eW0Ba1c668fMeRCA54FWi1sMqusPS4HUqqUvk+tmyAOsAF4qgD/A4MMSC7uJSVI5
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+      dtOzehGZMmDvN0uSzupSi3ZOgkAAUFpyuIKickMCgYAId0PCRjonO2thn/R0rZ7P
+      //L852uyzYhXKw5/fjFGhQ6LbaLgIRFaCZ0L2809u0HFnNvJjHv4AKP6j+vFQYYY
+      qQ+66XnfsA9G/bu4MDS9AX83iahD9IdLXQAy8I19prAbpVumKegPbMnNYNB/TYEc
+      3G15AKCXo7jjOUtHY01DCQ==
+      -----END PRIVATE KEY-----

library/ix-dev/charts/elastic-search/item.yaml

@@ -0,0 +1,4 @@
+icon_url: https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt280217a63b82a734/6202d3378b1f312528798412/elastic-logo.svg
+categories:
+  - search
+  - elastic

library/ix-dev/charts/elastic-search/questions.yaml

@@ -0,0 +1,176 @@
+groups:
+  - name: Elastic Search Configuration
+    description: Configure Elastic Search
+  - name: User and Group Configuration
+    description: Configure User and Group for Elastic Search
+  - name: Network Configuration
+    description: Configure Network for Elastic Search
+  - name: Storage Configuration
+    description: Configure Storage for Elastic Search
+  - name: Resources Configuration
+    description: Configure Resources for Elastic Search
+
+portals:
+  web_portal:
+    protocols:
+      - "$kubernetes-resource_configmap_portal_protocol"
+    host:
+      - "$kubernetes-resource_configmap_portal_host"
+    ports:
+      - "$kubernetes-resource_configmap_portal_port"
+    path: "$kubernetes-resource_configmap_portal_path"
+
+questions:
+
+  - variable: esConfig
+    label: ""
+    group: Elastic Search Configuration
+    schema:
+      type: dict
+      attrs:
+        - variable: password
+          label: Password
+          description: The password for the Elastic Search (elastic) user.
+          schema:
+            type: string
+            default: ""
+            required: true
+        - variable: nodeName
+          label: Node Name
+          description: The name of the Elastic Search node.
+          schema:
+            type: string
+            default: "elastic_search_node"
+            required: true
+        - variable: heapSize
+          label: Heap Size
+          description: The heap size for Elastic Search.
+          schema:
+            type: string
+            default: "512m"
+            required: true
+        - variable: additionalEnvs
+          label: Additional Environment Variables
+          description: Configure additional environment variables for Elastic Search.
+          schema:
+            type: list
+            default: []
+            items:
+              - variable: env
+                label: Environment Variable
+                schema:
+                  type: dict
+                  attrs:
+                    - variable: name
+                      label: Name
+                      schema:
+                        type: string
+                        required: true
+                    - variable: value
+                      label: Value
+                      schema:
+                        type: string
+                        required: true
+
+  - variable: esNetwork
+    label: ""
+    group: Network Configuration
+    schema:
+      type: dict
+      attrs:
+        - variable: httpPort
+          label: HTTP Port
+          description: The port for the Elastic Search HTTP
+          schema:
+            type: int
+            default: 30000
+            min: 9000
+            max: 65535
+            required: true
+        - variable: hostNetwork
+          label: Host Network
+          description: |
+            Bind to the host network. It's recommended to keep this disabled.
+          schema:
+            type: boolean
+            default: false
+        - variable: certificateID
+          label: Certificate
+          description: |
+            The certificate to use for Elastic Search </br>
+          schema:
+            type: int
+            "null": true
+            $ref:
+              - "definitions/certificate"
+
+  - variable: esStorage
+    label: ""
+    group: Storage Configuration
+    schema:
+      type: dict
+      attrs:
+        - variable: data
+          label: Elastic Search Data Storage
+          description: The path to store Elastic Search 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
+    label: ""
+    group: Resources Configuration
+    schema:
+      type: dict
+      attrs:
+        - variable: limits
+          label: Limits
+          schema:
+            type: dict
+            attrs:
+              - variable: cpu
+                label: CPU
+                description: CPU limit for Elastic Search.
+                schema:
+                  type: string
+                  default: "4000m"
+                  required: true
+              - variable: memory
+                label: Memory
+                description: Memory limit for Elastic Search.
+                schema:
+                  type: string
+                  default: "8Gi"
+                  required: true

library/ix-dev/charts/elastic-search/templates/NOTES.txt

@@ -0,0 +1 @@
+{{ include "ix.v1.common.lib.chart.notes" $ }}

library/ix-dev/charts/elastic-search/templates/_es.tpl

@@ -0,0 +1,119 @@
+{{- define "es.workload" -}}
+workload:
+  es:
+    enabled: true
+    primary: true
+    type: Deployment
+    podSpec:
+      hostNetwork: {{ .Values.esNetwork.hostNetwork }}
+      containers:
+        es:
+          enabled: true
+          primary: true
+          imageSelector: image
+          securityContext:
+            runAsUser: {{ .Values.esRunAs.user }}
+            runAsGroup: {{ .Values.esRunAs.group }}
+            readOnlyRootFilesystem: false
+          env:
+            {{/* https://www.elastic.co/guide/en/elasticsearch/reference/master/docker.html#docker-configuration-methods */}}
+            ES_HEAP_SIZE: {{ .Values.esConfig.heapSize }}
+            ELASTIC_PASSWORD: {{ .Values.esConfig.password }}
+            ES_SETTING_HTTP_PORT: {{ .Values.esNetwork.httpPort }}
+            ES_SETTING_NODE_NAME: {{ .Values.esConfig.nodeName }}
+            ES_SETTING_NODE_ROLES: master
+            ES_SETTING_DISCOVERY_TYPE: single-node
+            ES_SETTING_XPACK_SECURITY_ENABLED: true
+            {{/* Transport is not used on single nodes */}}
+            ES_SETTING_XPACK_SECURITY_TRANSPORT_SSL_ENABLED: false
+            {{ if .Values.esNetwork.certificateID }}
+            ES_SETTING_XPACK_SECURITY_HTTP_SSL_ENABLED: true
+            ES_SETTING_XPACK_SECURITY_HTTP_SSL_KEY: /usr/share/elasticsearch/config/certs/tls.key
+            ES_SETTING_XPACK_SECURITY_HTTP_SSL_CERTIFICATE: /usr/share/elasticsearch/config/certs/tls.crt
+            ES_SETTING_XPACK_SECURITY_HTTP_SSL_CERTIFICATE__AUTHORITIES: /usr/share/elasticsearch/config/certs/ca.crt
+            {{ end }}
+          {{ with .Values.esConfig.additionalEnvs }}
+            {{ range $env := . }}
+            {{ $env.name }}: {{ $env.value }}
+            {{ end }}
+          {{ end }}
+          probes:
+            liveness:
+              enabled: true
+              type: {{ include "es.schema" . }}
+              path: /_cluster/health?local=true
+              port: {{ .Values.esNetwork.httpPort }}
+              httpHeaders:
+                Authorization: Basic {{ printf "elastic:%s" .Values.esConfig.password | b64enc }}
+            readiness:
+              enabled: true
+              type: {{ include "es.schema" . }}
+              path: /_cluster/health?local=true
+              port: {{ .Values.esNetwork.httpPort }}
+              httpHeaders:
+                Authorization: Basic {{ printf "elastic:%s" .Values.esConfig.password | b64enc }}
+            startup:
+              enabled: true
+              type: {{ include "es.schema" . }}
+              path: /_cluster/health?local=true
+              port: {{ .Values.esNetwork.httpPort }}
+              httpHeaders:
+                Authorization: Basic {{ printf "elastic:%s" .Values.esConfig.password | b64enc }}
+      initContainers:
+      {{- include "ix.v1.common.app.permissions" (dict "containerName" "01-permissions"
+                                                        "UID" .Values.esRunAs.user
+                                                        "GID" .Values.esRunAs.group
+                                                        "type" "install") | nindent 8 }}
+{{/* Service */}}
+service:
+  es:
+    enabled: true
+    primary: true
+    type: NodePort
+    targetSelector: es
+    ports:
+      http:
+        enabled: true
+        primary: true
+        port: {{ .Values.esNetwork.httpPort }}
+        nodePort: {{ .Values.esNetwork.httpPort }}
+        targetSelector: es
+
+{{/* Persistence */}}
+persistence:
+  data:
+    enabled: true
+    type: {{ .Values.esStorage.data.type }}
+    datasetName: {{ .Values.esStorage.data.datasetName | default "" }}
+    hostPath: {{ .Values.esStorage.data.hostPath | default "" }}
+    targetSelector:
+      es:
+        es:
+          mountPath: /usr/share/elasticsearch/data
+        01-permissions:
+          mountPath: /mnt/directories/data
+  {{- if .Values.esNetwork.certificateID }}
+  certs:
+    enabled: true
+    type: secret
+    objectName: es-cert
+    defaultMode: "0600"
+    items:
+      - key: tls.key
+        path: tls.key
+      - key: tls.crt
+        path: tls.crt
+      - key: tls.crt
+        path: ca.crt
+    targetSelector:
+      es:
+        es:
+          mountPath: /usr/share/elasticsearch/config/certs
+          readOnly: true
+
+scaleCertificate:
+  es-cert:
+    enabled: true
+    id: {{ .Values.esNetwork.certificateID }}
+    {{- end -}}
+{{- end -}}

library/ix-dev/charts/elastic-search/templates/_helper.tpl

@@ -0,0 +1,7 @@
+{{- define "es.schema" -}}
+  {{- $protocol := "http" -}}
+  {{- if .Values.esNetwork.certificateID -}}
+    {{- $protocol = "https" -}}
+  {{- end -}}
+  {{- $protocol -}}
+{{- end -}}

library/ix-dev/charts/elastic-search/templates/_portal.tpl

@@ -0,0 +1,12 @@
+{{- define "es.portal" -}}
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: portal
+data:
+  path: /
+  port: {{ .Values.esNetwork.httpPort | quote }}
+  protocol: {{ include "es.schema" . }}
+  host: $node_ip
+{{- end -}}

library/ix-dev/charts/elastic-search/templates/common.yaml

@@ -0,0 +1,9 @@
+{{- include "ix.v1.common.loader.init" . -}}
+
+{{/* Merge the templates with Values */}}
+{{- $_ := mustMergeOverwrite .Values (include "es.workload" $ | fromYaml) -}}
+
+{{/* Create the configmap for portal manually*/}}
+{{- include "es.portal" $ -}}
+
+{{- include "ix.v1.common.loader.apply" . -}}

library/ix-dev/charts/elastic-search/upgrade_info.json

@@ -0,0 +1 @@
+{"filename": "values.yaml", "keys": ["image"]}

library/ix-dev/charts/elastic-search/upgrade_strategy

@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+import json
+import sys
+
+from catalog_update.upgrade_strategy import semantic_versioning
+
+
+def newer_mapping(image_tags):
+    key = list(image_tags.keys())[0]
+    version = semantic_versioning(image_tags[key])
+    if not version:
+        return {}
+
+    return {
+        'tags': {key: f'v{version}'},
+        'app_version': f'v{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/charts/elastic-search/values.yaml

@@ -0,0 +1,31 @@
+image:
+  repository: docker.elastic.co/elasticsearch/elasticsearch
+  pullPolicy: IfNotPresent
+  tag: '8.7.0'
+
+resources:
+  limits:
+    cpu: 4000m
+    memory: 8Gi
+
+esConfig:
+  password: ""
+  heapSize: 512m
+  nodeName: elastic_search_node
+  additionalEnvs: []
+
+# Not user configurable
+esRunAs:
+  user: 1000
+  group: 1000
+
+esNetwork:
+  httpPort: 30000
+  hostNetwork: false
+  certificateID: ""
+
+esStorage:
+  data:
+    type: ixVolume
+    hostPath: ''
+    datasetName: data