create-webhook.yaml

apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: create-webhook
spec:
  volumes:
  - name: github-secret
    secret:
      secretName: $(params.GitHubSecretName)

  params:
  - name: ExternalDomain
    description: "The external domain for the EventListener e.g. `$(params.EventListenerName).<PROXYIP>.nip.io`"
  - name: GitHubUser
    description: "The GitHub user"
  - name: GitHubRepo
    description: "The GitHub repo where the webhook will be created"
  - name: GitHubOrg
    description: "The GitHub organization where the webhook will be created"
  - name: GitHubSecretName
    description: "The Secret name for GitHub access token. This is always mounted and must exist"
  - name: GitHubAccessTokenKey
    description: "The GitHub access token key name"
  - name: GitHubSecretStringKey
    description: "The GitHub secret string key name"
  - name: GitHubDomain
    description: "The GitHub domain. Override for GitHub Enterprise"
    default: "github.com"
  - name: WebhookEvents
    description: "List of events the webhook will send notifications for"
    default: '[\"push\",\"pull_request\"]'
  steps:
  - name: create-webhook
    image: curlimages/curl:latest
    volumeMounts:
    - name: github-secret
      mountPath: /var/secret
    command:
    - sh
    args:
    - -ce
    - |
      set -e
      echo "Create Webhook"
      if [ $(params.GitHubDomain) = "github.com" ];then
        curl -v -d "{\"name\": \"web\",\"active\": true,\"events\": $(params.WebhookEvents),\"config\": {\"url\": \"https://$(params.ExternalDomain)\",\"content_type\": \"json\",\"insecure_ssl\": \"1\" ,\"secret\": \"$(cat /var/secret/$(params.GitHubSecretStringKey))\"}}" -X POST -u $(params.GitHubUser):$(cat /var/secret/$(params.GitHubAccessTokenKey)) -L https://api.github.com/repos/$(params.GitHubOrg)/$(params.GitHubRepo)/hooks
      else
        curl -d "{\"name\": \"web\",\"active\": true,\"events\": $(params.WebhookEvents),\"config\": {\"url\": \"https://$(params.ExternalDomain)/\",\"content_type\": \"json\",\"insecure_ssl\": \"1\" ,\"secret\": \"$(cat /var/secret/$(params.GitHubSecretStringKey))\"}}" -X POST -u $(params.GitHubUser):$(cat /var/secret/$(params.GitHubAccessTokenKey)) -L https://$(params.GitHubDomain)/api/v3/repos/$(params.GitHubOrg)/$(params.GitHubRepo)/hooks
      fi