WIP feat(checkmk): add checkmk (#6158)

* add checkmk

* Oops

* app version

* EOL

* EOL try 2

* root

* Update charts/incubator/checkmk/values.yaml

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

* Update charts/incubator/checkmk/values.yaml

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

* update ports to avoid port conflicts with other apps

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

* questions

* add some options

* labels

* Apply suggestions from code review

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

* Update charts/incubator/checkmk/templates/_secret.tpl

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

* fix name

* permission denied in cron!?
and use the internal healthcheck

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>
Co-authored-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>
Co-authored-by: Stavros kois <s.kois@outlook.com>

charts/incubator/checkmk/.helmignore

@@ -0,0 +1,30 @@
+# 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
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
+# OWNERS file for Kubernetes
+OWNERS
+# helm-docs templates
+*.gotmpl
+# docs folder
+/docs
+# icon
+icon.png

charts/incubator/checkmk/Chart.yaml

@@ -0,0 +1,29 @@
+apiVersion: v2
+appVersion: "2023.01.08"
+dependencies:
+  - name: common
+    repository: https://library-charts.truecharts.org
+    version: 11.1.2
+deprecated: false
+description: Checkmk is a leading tool for Infrastructure and Application Monitoring. Simple configuration, scalable, flexible. It provides powerful monitoring of networks, servers, clouds, containers and applications.
+home: https://truecharts.org/charts/incubator/checkmk
+icon: https://truecharts.org/img/hotlink-ok/chart-icons/checkmk.png
+keywords:
+  - checkmk
+  - monitoring
+kubeVersion: ">=1.16.0-0"
+maintainers:
+  - email: info@truecharts.org
+    name: TrueCharts
+    url: https://truecharts.org
+name: checkmk
+sources:
+  - https://github.com/truecharts/charts/tree/master/charts/incubator/checkmk
+  - https://github.com/tribe29/checkmk
+type: application
+version: 0.0.1
+annotations:
+  truecharts.org/catagories: |
+    - monitoring
+  truecharts.org/SCALE-support: "true"
+  truecharts.org/grade: U

charts/incubator/checkmk/questions.yaml

@@ -0,0 +1,185 @@
+# Include{groups}
+portals:
+  open:
+# Include{portalLink}
+questions:
+# Include{global}
+# Include{controller}
+# Include{replicas}
+# Include{replica1}
+# Include{controllerExpertExtraArgs}
+  - variable: cmk
+    group: App Configuration
+    label: Check-mk Configuration
+    schema:
+      additional_attrs: true
+      type: dict
+      attrs:
+        - variable: password
+          label: Initial Password
+          description: Sets the initial password for cmkadmin user
+          schema:
+            type: string
+            required: true
+            private: true
+            default: ""
+        - variable: site_id
+          label: Site ID
+          description: Sets the siteID
+          schema:
+            type: string
+            required: true
+            default: cmk
+        - variable: livestatus_tcp
+          label: Livestatus TCP
+          description: Enables the livestatus TCP
+          schema:
+            type: boolean
+            default: false
+        - variable: mail_relay_host
+          label: Mail Relay Host
+          description: Sets the Mail Relay Host
+          schema:
+            type: string
+            default: ""
+# Include{containerConfig}
+# Include{serviceRoot}
+        - variable: main
+          label: Main Service
+          description: The Primary service on which the healthcheck runs, often the webUI
+          schema:
+            additional_attrs: true
+            type: dict
+            attrs:
+# Include{serviceSelectorLoadBalancer}
+# Include{serviceSelectorExtras}
+                    - variable: main
+                      label: Main Service Port Configuration
+                      schema:
+                        additional_attrs: true
+                        type: dict
+                        attrs:
+                          - variable: port
+                            label: Port
+                            description: This port exposes the container port on the service
+                            schema:
+                              type: int
+                              default: 15000
+                              required: true
+        - variable: receiver
+          label: Receiver Service
+          description: The Receiver service
+          schema:
+            additional_attrs: true
+            type: dict
+            attrs:
+# Include{serviceSelectorLoadBalancer}
+# Include{serviceSelectorExtras}
+                    - variable: receiver
+                      label: Receiver Service Port Configuration
+                      schema:
+                        additional_attrs: true
+                        type: dict
+                        attrs:
+                          - variable: port
+                            label: Port
+                            description: This port exposes the container port on the service
+                            schema:
+                              type: int
+                              default: 18000
+                              required: true
+        - variable: livestatustcp
+          label: Livestatus TCP Service
+          description: The Livestatus TCP service
+          schema:
+            additional_attrs: true
+            type: dict
+            attrs:
+# Include{serviceSelectorLoadBalancer}
+# Include{serviceSelectorExtras}
+                    - variable: livestatustcp
+                      label: Livestatus TCP Service Port Configuration
+                      schema:
+                        additional_attrs: true
+                        type: dict
+                        attrs:
+                          - variable: port
+                            label: Port
+                            description: This port exposes the container port on the service
+                            schema:
+                              type: int
+                              default: 6557
+                              required: true
+# Include{serviceExpertRoot}
+            default: false
+# Include{serviceExpert}
+# Include{serviceList}
+# Include{persistenceRoot}
+        - variable: config
+          label: App Config Storage
+          description: Stores the Application Configuration.
+          schema:
+            additional_attrs: true
+            type: dict
+            attrs:
+# Include{persistenceBasic}
+# Include{persistenceList}
+# Include{ingressRoot}
+        - variable: main
+          label: Main Ingress
+          schema:
+            additional_attrs: true
+            type: dict
+            attrs:
+# Include{ingressDefault}
+# Include{ingressTLS}
+# Include{ingressTraefik}
+# Include{ingressList}
+# Include{security}
+# Include{securityContextAdvancedRoot}
+              - variable: privileged
+                label: Privileged mode
+                schema:
+                  type: boolean
+                  default: false
+              - variable: readOnlyRootFilesystem
+                label: ReadOnly Root Filesystem
+                schema:
+                  type: boolean
+                  default: false
+              - variable: allowPrivilegeEscalation
+                label: Allow Privilege Escalation
+                schema:
+                  type: boolean
+                  default: false
+              - variable: runAsNonRoot
+                label: runAsNonRoot
+                schema:
+                  type: boolean
+                  default: false
+# Include{podSecurityContextRoot}
+        - variable: runAsUser
+          label: runAsUser
+          description: The UserID of the user running the application
+          schema:
+            type: int
+            default: 0
+        - variable: runAsGroup
+          label: runAsGroup
+          description: The groupID this App of the user running the application
+          schema:
+            type: int
+            default: 0
+        - variable: fsGroup
+          label: fsGroup
+          description: The group that should own ALL storage.
+          schema:
+            type: int
+            default: 568
+# Include{podSecurityContextAdvanced}
+# Include{resources}
+# Include{advanced}
+# Include{addons}
+# Include{codeserver}
+# Include{vpn}
+# Include{documentation}

charts/incubator/checkmk/templates/_secret.tpl

@@ -0,0 +1,20 @@
+{{/* Define the secret */}}
+{{- define "checkmk.secret" -}}
+
+{{- $secretName := printf "%s-secret" (include "tc.common.names.fullname" .) }}
+---
+apiVersion: v1
+kind: Secret
+type: Opaque
+metadata:
+  name: {{ $secretName }}
+  labels:
+    {{- include "tc.common.labels" . | nindent 4 }}
+stringData:
+  CMK_PASSWORD: {{ .Values.cmk.password | quote }}
+  CMK_SITE_ID: {{ .Values.cmk.site_id | quote }}
+  CMK_LIVESTATUS_TCP: {{ ternary "on" "off" .Values.cmk.livestatus_tcp | quote }}
+  {{- with .Values.cmk.mail_relay_host }}
+  MAIL_RELAY_HOST: {{ . | quote }}
+  {{- end }}
+{{- end }}

charts/incubator/checkmk/templates/common.yaml

@@ -0,0 +1,8 @@
+{{/* Make sure all variables are set properly */}}
+{{- include "tc.common.loader.init" . }}
+
+{{/* Render secret */}}
+{{- include "checkmk.secret" . }}
+
+{{/* Render the templates */}}
+{{ include "tc.common.loader.apply" . }}

charts/incubator/checkmk/values.yaml

@@ -0,0 +1,81 @@
+image:
+  repository: tccr.io/truecharts/check-mk-raw
+  pullPolicy: IfNotPresent
+  tag: v2.1.0@sha256:1894f1adbd7e1dfacd570eb5238b6bcb51d5747220a91a591c8981df51323696
+
+securityContext:
+  readOnlyRootFilesystem: false
+  runAsNonRoot: false
+
+podSecurityContext:
+  runAsUser: 0
+  runAsGroup: 0
+
+cmk:
+  password: secret
+  site_id: cmk
+  livestatus_tcp: true
+  mail_relay_host: ""
+
+envFrom:
+  - secretRef:
+      name: '{{ include "tc.common.names.fullname" . }}-secret'
+
+service:
+  main:
+    ports:
+      main:
+        protocol: HTTP
+        targetPort: 5000
+        port: 15000
+  receiver:
+    enabled: true
+    ports:
+      receiver:
+        enabled: true
+        protocol: HTTP
+        targetPort: 8000
+        port: 18000
+  livestatustcp:
+    enabled: true
+    ports:
+      livestatustcp:
+        enabled: true
+        targetPort: 6557
+        port: 6557
+
+probes:
+  liveness:
+    spec:
+      exec:
+        command:
+          - /bin/sh
+          - -c
+          - omd status
+  readiness:
+    exec:
+      command:
+        - /bin/sh
+        - -c
+        - omd status
+  startup:
+    exec:
+      command:
+        - /bin/sh
+        - -c
+        - omd status
+
+persistence:
+  config:
+    enabled: true
+    mountPath: /omd/sites
+  cmk-temp:
+    enabled: true
+    type: emptyDir
+    mountPath: /omd/sites/cmk/tmp
+  cmk-cron:
+    enabled: true
+    mountPath: /var/spool/cron/crontabs
+
+portal:
+  enabled: true