# Tekton RBAC Configuration for Bakery-IA CI/CD
# This file defines ServiceAccounts, Roles, and RoleBindings for Tekton

---
# ServiceAccount for Tekton Triggers EventListener
apiVersion: v1
kind: ServiceAccount
metadata:
  name: tekton-triggers-sa
  namespace: tekton-pipelines
  labels:
    app.kubernetes.io/name: bakery-ia-cicd
    app.kubernetes.io/component: triggers

---
# ServiceAccount for Pipeline execution
apiVersion: v1
kind: ServiceAccount
metadata:
  name: tekton-pipeline-sa
  namespace: tekton-pipelines
  labels:
    app.kubernetes.io/name: bakery-ia-cicd
    app.kubernetes.io/component: pipeline

---
# ClusterRole for Tekton Triggers to create PipelineRuns
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: tekton-triggers-role
  labels:
    app.kubernetes.io/name: bakery-ia-cicd
    app.kubernetes.io/component: triggers
rules:
  # Ability to create PipelineRuns from triggers
  - apiGroups: ["tekton.dev"]
    resources: ["pipelineruns", "taskruns"]
    verbs: ["create", "get", "list", "watch"]
  # Ability to read pipelines and tasks
  - apiGroups: ["tekton.dev"]
    resources: ["pipelines", "tasks", "clustertasks"]
    verbs: ["get", "list", "watch"]
  # Ability to manage PVCs for workspaces
  - apiGroups: [""]
    resources: ["persistentvolumeclaims"]
    verbs: ["create", "get", "list", "watch", "delete"]
  # Ability to read secrets for credentials
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch"]
  # Ability to read configmaps
  - apiGroups: [""]
    resources: ["configmaps"]
    verbs: ["get", "list", "watch"]
  # Ability to manage events for logging
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["create", "patch"]

---
# ClusterRoleBinding for Tekton Triggers
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: tekton-triggers-binding
  labels:
    app.kubernetes.io/name: bakery-ia-cicd
    app.kubernetes.io/component: triggers
subjects:
  - kind: ServiceAccount
    name: tekton-triggers-sa
    namespace: tekton-pipelines
roleRef:
  kind: ClusterRole
  name: tekton-triggers-role
  apiGroup: rbac.authorization.k8s.io

---
# ClusterRole for Pipeline execution (needed for git operations and deployments)
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: tekton-pipeline-role
  labels:
    app.kubernetes.io/name: bakery-ia-cicd
    app.kubernetes.io/component: pipeline
rules:
  # Ability to read/update deployments for GitOps
  - apiGroups: ["apps"]
    resources: ["deployments"]
    verbs: ["get", "list", "watch", "patch", "update"]
  # Ability to read secrets for credentials
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch"]
  # Ability to read configmaps
  - apiGroups: [""]
    resources: ["configmaps"]
    verbs: ["get", "list", "watch"]
  # Ability to manage pods for build operations
  - apiGroups: [""]
    resources: ["pods", "pods/log"]
    verbs: ["get", "list", "watch"]

---
# ClusterRoleBinding for Pipeline execution
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: tekton-pipeline-binding
  labels:
    app.kubernetes.io/name: bakery-ia-cicd
    app.kubernetes.io/component: pipeline
subjects:
  - kind: ServiceAccount
    name: tekton-pipeline-sa
    namespace: tekton-pipelines
roleRef:
  kind: ClusterRole
  name: tekton-pipeline-role
  apiGroup: rbac.authorization.k8s.io

---
# Role for EventListener to access triggers resources
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: tekton-triggers-eventlistener-role
  namespace: tekton-pipelines
  labels:
    app.kubernetes.io/name: bakery-ia-cicd
    app.kubernetes.io/component: triggers
rules:
  - apiGroups: ["triggers.tekton.dev"]
    resources: ["eventlisteners", "triggerbindings", "triggertemplates", "triggers", "interceptors"]
    verbs: ["get", "list", "watch"]
  - apiGroups: [""]
    resources: ["configmaps", "secrets"]
    verbs: ["get", "list", "watch"]

---
# RoleBinding for EventListener
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: tekton-triggers-eventlistener-binding
  namespace: tekton-pipelines
  labels:
    app.kubernetes.io/name: bakery-ia-cicd
    app.kubernetes.io/component: triggers
subjects:
  - kind: ServiceAccount
    name: tekton-triggers-sa
    namespace: tekton-pipelines
roleRef:
  kind: Role
  name: tekton-triggers-eventlistener-role
  apiGroup: rbac.authorization.k8s.io