✨ add chat reactor

incubator/kubirds-webhook-reactor/.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/

incubator/kubirds-webhook-reactor/Chart.yaml

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+apiVersion: v2
+name: kubirds-webhook-reactor
+description: Parametrable Webhook Reactor for Kubirds
+type: application
+version: 0.1.0
+appVersion: "1.16.0"

incubator/kubirds-webhook-reactor/README.md

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+# Webhook message
+
+This Docker image sends a json [gotempl](https://github.com/link-society/gotempl) message to a webhook
+
+It can be used in several services as
+
+- [teams](https://docs.microsoft.com/microsoftteams/platform/webhooks-and-connectors/how-to/add-incoming-webhook)
+- [slack](https://api.slack.com/messaging/webhooks)
+- [telegram](https://core.telegram.org/bots/api#setwebhook)
+- [discord](https://discord.com/developers/docs/resources/webhook)
+- [facebook](https://developers.facebook.com/docs/graph-api/webhooks/)
+- [whatsapp](https://developers.facebook.com/docs/whatsapp/api/webhooks/)
+- [instagram](https://developers.facebook.com/docs/instagram-api/guides/webhooks/)
+- [github](https://docs.github.com/en/developers/webhooks-and-events/webhooks/creating-webhooks)
+- [gitlab](https://docs.gitlab.com/ee/user/project/integrations/webhooks.html)
+- [jira](https://developer.atlassian.com/server/jira/platform/webhooks/)
+- [trading view](https://www.tradingview.com/support/solutions/43000529348-about-webhooks/)
+
+## Helm values
+
+| Variable | Default | Description |
+| --- | --- | --- |
+| `webhook` | | webhook URL |
+| `message` | | json [gotempl](https://github.com/link-society/) to send |
+| `method` | `POST`| HTTP method |
+| `headers` | `Content-Type: application/json` | [gotempl](https://github.com/link-society/) HTTP headers to send |
+| `cookies` | `''` | [gotempl](https://github.com/link-society/) HTTP cookies to send |
+| `curlConfig` | `''` | [gotempl](https://github.com/link-society/) cURL config to use |
+| `curlArgs` | `''` | [gotempl](https://github.com/link-society/) cURL args to use |
+| `triggers` | `{ success, failure }` | [Kubirds reactor triggers](https://kubirds.com/docs/concepts/reactor/schema/#triggers) |
+| `emptySelectorBehavior` | `MatchAll` | [Kubirds reactor emptySelectorBehavior](https://kubirds.com/docs/concepts/reactor/schema/#emptyselectorbehavior) |
+
+## Example of Helm chart installation
+
+This example notifies a Teams channel about any up/down Kubirds unit
+
+```bash
+$ helm install healthcheck-teams \
+  helm.link-society/incubator/kubirds-webhook-reactor \
+  --set message='{ "text": "{{ .Env.UNIT_NAME }} is {{ if eq .Env.UNIT_STATE 0 }}up{{ else }}down{{ end }}" }' \
+  --set webhook='https://mykey.webhook.office.com'
+```

incubator/kubirds-webhook-reactor/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "kubirds-webhook-reactor.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 "kubirds-webhook-reactor.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 "kubirds-webhook-reactor.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "kubirds-webhook-reactor.labels" -}}
+helm.sh/chart: {{ include "kubirds-webhook-reactor.chart" . }}
+{{ include "kubirds-webhook-reactor.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "kubirds-webhook-reactor.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "kubirds-webhook-reactor.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Webhook check
+*/}}
+{{ if not .Values.webhook }}
+{{ fail "Webhook can not be empty" }}
+{{ end }}
+
+{{/*
+Message check
+*/}}
+{{ if not .Values.message }}
+{{ fail "Message can not be empty" }}
+{{ end }}

incubator/kubirds-webhook-reactor/templates/configMap.yaml

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+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "kubirds-webhook-reactor.fullname" . }}
+  labels:
+    {{- include "kubirds-webhook-reactor.labels" . | nindent 4 }}
+data:
+  request-body.json: |
+    {{- .Values.message | toJson | nindent 4 -}}

incubator/kubirds-webhook-reactor/templates/reactor.yaml

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+---
+apiVersion: kubirds.com/v1
+kind: Reactor
+metadata:
+  name: {{ include "kubirds-webhook-reactor.fullname" . }}
+  labels:
+    {{- include "kubirds-webhook-reactor.labels" . | nindent 4 }}
+    {{ if .Values.labels }}
+    {{ .Values.labels | toYaml | nindent 4 }}
+    {{ end }}
+spec:
+  unitSelector:
+    {{- .Values.unitSelector | toYaml | nindent 4 }}
+  triggers:
+    {{- .Values.triggers | toYaml | nindent 4 }}
+  emptySelectorBehavior: {{ .Values.emptySelectorBehavior }}
+  image:
+    name: {{ .Values.image.name }}
+    pullPolicy: {{ .Values.image.pullPolicy }}
+    command: {{ .Values.image.command }}
+  env:
+    - name: REQUEST_METHOD
+      value: {{ .Values.method | quote }}
+    - name: REQUEST_HEADERS
+      value: {{ .Values.headers | quote }}
+    - name: REQUEST_BODY
+      value: '@/config/request-body.json'
+    - name: REQUEST_URL
+      value: {{ .Values.webhook | quote }}
+    - name: REQUEST_COOKIES
+      value: {{ .Values.cookies }}
+    - name: REQUEST_ARGS
+      value: {{ .Values.curlArgs }}
+    - name: REQUEST_CONFIG
+      value: {{ .Values.curlConfig }}
+  volumes:
+    - name: message
+      mountPath: /config
+      configMap:
+        name: {{ include "kubirds-webhook-reactor.fullname" . }}

incubator/kubirds-webhook-reactor/values.yaml

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+---
+
+# User Configuration
+
+labels: {}
+
+nameOverride: ''
+fullnameOverride: ''
+
+# Internal Configuration (can be overidden)
+
+image:
+  name: ghcr.io/link-society/curl-gotempl:latest
+  pullPolicy: IfNotPresent
+  command: curl-gotempl
+
+method: POST
+headers: 'Content-Type: application/json'
+webhook:
+
+curlConfig: ''
+curlArgs: ''
+cookies: ''
+
+message:
+
+unitSelector: {}
+
+triggers:
+  success: true
+  failure: true
+  fixed: false
+  regression: false
+
+emptySelectorBehavior: MatchAll # MatchNone otherwise