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什么是TriggerBinding
校验事件并提取相关字段属性
资源详解
例子
triggerBinding/binding.yaml
apiVersion: triggers.tekton.dev/v1alpha1
kind: TriggerBinding
metadata:
name: binding
spec:
params:
- name: gitrevision
value: $(body.head_commit.id)
- name: gitrepositoryurl
value: $(body.repository.url)
- name: contenttype
value: $(header.Content-Type)
表达式
$(body) -> "{"key1": "value1", "key2": {"key3": "value3"}, "key4": ["value4", "value5", "value6"]}"
$(body.key1) -> "value1"
$(body.key2) -> "{"key3": "value3"}"
$(body.key2.key3) -> "value3"
$(body.key4[0]) -> "value4"
$(body.key4[0:2]) -> "{"value4", "value5"}"
# $(header) is replaced by all of the headers from the event.
$(header) -> "{"One":["one"], "Two":["one","two","three"]}"
$(header.One) -> "one"
$(header.one) -> "one"
$(header.Two) -> "one two three"
$(header.Two[1]) -> "two"
多绑定
triggerBinding/multi-binding.yaml
apiVersion: triggers.tekton.dev/v1alpha1
kind: TriggerBinding
metadata:
name: event-binding
spec:
params:
- name: gitrevision
value: $(body.head_commit.id)
- name: gitrepositoryurl
value: $(body.repository.url)
---
apiVersion: triggers.tekton.dev/v1alpha1
kind: TriggerBinding
metadata:
name: prod-env
spec:
params:
- name: environment
value: prod
---
apiVersion: triggers.tekton.dev/v1alpha1
kind: TriggerBinding
metadata:
name: staging-env
spec:
params:
- name: environment
value: staging
---
apiVersion: triggers.tekton.dev/v1alpha1
kind: EventListener
metadata:
name: listener
spec:
triggers:
- name: prod-trigger
bindings:
- ref: event-binding
- ref: prod-env
template:
ref: pipeline-template
- name: staging-trigger
bindings:
- ref: event-binding
- ref: staging-env
template:
ref: pipeline-template
ClusterTriggerBinding
triggerBinding/cluster/message-clusterbinding.yaml
apiVersion: triggers.tekton.dev/v1alpha1
kind: ClusterTriggerBinding
metadata:
name: message-clusterbinding
spec:
params:
- name: message
value: Hello from the Triggers EventListener!
triggerBinding/cluster/pipeline-clusterbinding.yaml
apiVersion: triggers.tekton.dev/v1alpha1
kind: ClusterTriggerBinding
metadata:
name: pipeline-clusterbinding
spec:
params:
- name: gitrevision
value: $(body.head_commit.id)
- name: gitrepositoryurl
value: $(body.repository.url)
- name: contenttype
value: $(header.Content-Type)
triggerBinding/cluster/sa-rbac.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
name: tekton-triggers-example-sa
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: tekton-triggers-example-minimal
rules:
# EventListeners need to be able to fetch all namespaced resources
- apiGroups: ["triggers.tekton.dev"]
resources: ["eventlisteners", "triggerbindings", "triggertemplates", "triggers"]
verbs: ["get", "list", "watch"]
- apiGroups: [""]
# configmaps is needed for updating logging config
resources: ["configmaps"]
verbs: ["get", "list", "watch"]
# Permissions to create resources in associated TriggerTemplates
- apiGroups: ["tekton.dev"]
resources: ["pipelineruns", "pipelineresources", "taskruns"]
verbs: ["create"]
- apiGroups: [""]
resources: ["serviceaccounts"]
verbs: ["impersonate"]
- apiGroups: ["policy"]
resources: ["podsecuritypolicies"]
resourceNames: ["tekton-triggers"]
verbs: ["use"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: tekton-triggers-example-binding
subjects:
- kind: ServiceAccount
name: tekton-triggers-example-sa
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: tekton-triggers-example-minimal
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: tekton-triggers-example-clusterrole
rules:
# EventListeners need to be able to fetch any clustertriggerbindings
- apiGroups: ["triggers.tekton.dev"]
resources: ["clustertriggerbindings", "clusterinterceptors"]
verbs: ["get", "list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: tekton-triggers-example-clusterbinding
subjects:
- kind: ServiceAccount
name: tekton-triggers-example-sa
namespace: tekton
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: tekton-triggers-example-clusterrole
triggerBinding/cluster/task-pipeline.yaml
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: say-hello
spec:
params:
- name: contenttype
description: The Content-Type of the event
type: string
resources:
inputs:
- name: git-source
type: git
steps:
- name: say-hi
image: bash
command: ["bash", "-c"]
args:
- echo -e 'Hello Triggers!\nContent-Type is $(params.contenttype)'
---
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: say-message
spec:
params:
- name: message
description: The message to print
default: This is the default message
type: string
resources:
inputs:
- name: git-source
type: git
steps:
- name: say-message
image: bash
command: ["bash", "-c"]
args:
- echo '$(params.message)'
---
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: say-bye
spec:
resources:
inputs:
- name: git-source
type: git
steps:
- name: say-bye
image: bash
command: ["bash", "-c"]
args:
- echo 'Goodbye Triggers!'
---
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
name: simple-pipeline
spec:
params:
- name: message
description: The message to print
default: This is the default message
type: string
- name: contenttype
description: The Content-Type of the event
type: string
resources:
- name: git-source
type: git
tasks:
- name: say-hello
taskRef:
name: say-hello
params:
- name: contenttype
value: $(params.contenttype)
resources:
inputs:
- name: git-source
resource: git-source
- name: say-message
runAfter: [say-hello]
taskRef:
name: say-message
params:
- name: message
value: $(params.message)
resources:
inputs:
- name: git-source
resource: git-source
- name: say-bye
runAfter: [say-message]
taskRef:
name: say-bye
resources:
inputs:
- name: git-source
resource: git-source
triggerBinding/cluster/trigger-template.yaml
apiVersion: triggers.tekton.dev/v1alpha1
kind: TriggerTemplate
metadata:
name: pipeline-template
spec:
params:
- name: gitrevision
description: The git revision
default: main
- name: gitrepositoryurl
description: The git repository url
- name: message
description: The message to print
default: This is the default message
- name: contenttype
description: The Content-Type of the event
resourcetemplates:
- apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
generateName: simple-pipeline-run-
spec:
pipelineRef:
name: simple-pipeline
params:
- name: message
value: $(tt.params.message)
- name: contenttype
value: $(tt.params.contenttype)
resources:
- name: git-source
resourceSpec:
type: git
params:
- name: revision
value: $(tt.params.gitrevision)
- name: url
value: $(tt.params.gitrepositoryurl)
triggerBinding/cluster/listener.yaml
apiVersion: triggers.tekton.dev/v1alpha1
kind: EventListener
metadata:
name: listener
spec:
serviceAccountName: tekton-triggers-example-sa
triggers:
- name: foo-trig
bindings:
- ref: pipeline-clusterbinding
kind: ClusterTriggerBinding
- ref: message-clusterbinding
kind: ClusterTriggerBinding
template:
ref: pipeline-template
curl -v \
-H 'X-GitHub-Event: pull_request' \
-H 'X-Hub-Signature: sha1=ba0cdc263b3492a74b601d240c27efe81c4720cb' \
-H 'Content-Type: application/json' \
-d '{"action": "opened", "pull_request":{"head":{"sha": "28911bbb5a3e2ea034daf1f6be0a822d50e31e73"}},"repository":{"url": "https://github.com/tektoncd/triggers.git"}}' \
http://10.68.194.93:8080