tekton基础
task和taskrun示例
[root@master 02-tekton-basics]# cat 01-task-hello.yaml
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: hello
spec:
steps:
- name: say-hello
image: alpine:3.15
command: ['/bin/sh']
args: ['-c', 'echo Hello World']
[root@master 02-tekton-basics]# cat 01-taskrun-hello.yaml
apiVersion: tekton.dev/v1beta1
kind: TaskRun
metadata:
name: hello-run-00001
spec:
taskRef:
kind: Task
name: hello
[root@master 02-tekton-basics]# kubectl apply -f 01-task-hello.yaml -f 01-taskrun-hello.yaml
task.tekton.dev/hello configured
taskrun.tekton.dev/hello-run-00001 createdtask和taskrun示例
[root@master 02-tekton-basics]# kubectl apply -f 02-task-with-params.yaml
task.tekton.dev/hello-params created
[root@master 02-tekton-basics]# cat 02-task-with-params.yaml
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: hello-params
spec:
params:
- name: target
type: string
description: Name of somebody or something to greet
default: Yang
steps:
- name: say-hello
image: alpine:3.15
command:
- /bin/sh
args: ['-c', 'echo Hello $(params.target)']
[root@master 02-tekton-basics]# tkn task start hello-params --showlog
? Value for param `target` of type `string`? (Default is `Yang`) Yang
TaskRun started: hello-params-run-lqnz5
Waiting for logs to be available...
[say-hello] Hello Yang
[root@master 02-tekton-basics]# tkn task start hello-params --showlog -p target=Tekton
TaskRun started: hello-params-run-l782c
Waiting for logs to be available...
[say-hello] Hello Tektontask定义多个step方法
[root@master 02-tekton-basics]# kubectl apply -f 03-task-multi-steps.yaml
task.tekton.dev/multiple created
[root@master 02-tekton-basics]# cat 03-task-multi-steps.yaml
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: multiple
spec:
steps:
- name: first
image: alpine:3.15
command:
- /bin/sh
args: ['-c', 'echo First Step']
- name: second
image: alpine:3.15
command:
- /bin/sh
args: ['-c', 'echo Second Step']
[root@master 02-tekton-basics]# tkn task start multiple --showlog
TaskRun started: multiple-run-lghg2
Waiting for logs to be available...
[first] First Step
[second] Second Steptask step定义多行
[root@master 02-tekton-basics]# cat 04-task-step-with-script.yaml
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: script
spec:
steps:
- name: step-with-script
image: alpine:3.15
script: |
#!/bin/sh
echo "Step with Script..."
echo "Installing necessary tooling"
apk add curl
curl -s www.baidu.com && echo "Success" || echo "Fail"
echo "All done!"
[root@master 02-tekton-basics]# kubectl apply -f 04-task-step-with-script.yaml
task.tekton.dev/script created
[root@master 02-tekton-basics]# tkn task start script --showlog
TaskRun started: script-run-fflhs
Waiting for logs to be available...
[step-with-script] Step with Script...
[step-with-script] Installing necessary tooling
[step-with-script] fetch https://dl-cdn.alpinelinux.org/alpine/v3.15/main/x86_64/APKINDEX.tar.gz
[step-with-script] fetch https://dl-cdn.alpinelinux.org/alpine/v3.15/community/x86_64/APKINDEX.tar.gz
[step-with-script] (1/5) Installing ca-certificates (20220614-r0)
[step-with-script] (2/5) Installing brotli-libs (1.0.9-r5)
[step-with-script] (3/5) Installing nghttp2-libs (1.46.0-r0)
[step-with-script] (4/5) Installing libcurl (7.80.0-r3)
[step-with-script] (5/5) Installing curl (7.80.0-r3)
[step-with-script] Executing busybox-1.34.1-r7.trigger
[step-with-script] Executing ca-certificates-20220614-r0.trigger
[step-with-script] OK: 8 MiB in 19 packages
[step-with-script] <!DOCTYPE html>
[step-with-script] <!--STATUS OK--><html> <head><meta http-equiv=content-type content=text/html;charset=utf-8><meta http-equiv=X-UA-Compatible content=IE=Edge><meta content=always name=referrer><link rel=stylesheet type=text/css href=http://s1.bdstatic.com/r/www/cache/bdorz/baidu.min.css><title>百度一下，你就知道</title></head> <body link=#0000cc> <div id=wrapper> <div id=head> <div class=head_wrapper> <div class=s_form> <div class=s_form_wrapper> <div id=lg> <img hidefocus=true src=//www.baidu.com/img/bd_logo1.png width=270 height=129> </div> <form id=form name=f action=//www.baidu.com/s class=fm> <input type=hidden name=bdorz_come value=1> <input type=hidden name=ie value=utf-8> <input type=hidden name=f value=8> <input type=hidden name=rsv_bp value=1> <input type=hidden name=rsv_idx value=1> <input type=hidden name=tn value=baidu><span class="bg s_ipt_wr"><input id=kw name=wd class=s_ipt value maxlength=255 autocomplete=off autofocus></span><span class="bg s_btn_wr"><input type=submit id=su value=百度一下 class="bg s_btn"></span> </form> </div> </div> <div id=u1> <a href=http://news.baidu.com name=tj_trnews class=mnav>新闻</a> <a href=http://www.hao123.com name=tj_trhao123 class=mnav>hao123</a> <a href=http://map.baidu.com name=tj_trmap class=mnav>地图</a> <a href=http://v.baidu.com name=tj_trvideo class=mnav>视频</a> <a href=http://tieba.baidu.com name=tj_trtieba class=mnav>贴吧</a> <noscript> <a href=http://www.baidu.com/bdorz/login.gif?login&tpl=mn&u=http%3A%2F%2Fwww.baidu.com%2f%3fbdorz_come%3d1 name=tj_login class=lb>登录</a> </noscript> <script>document.write('<a href="http://www.baidu.com/bdorz/login.gif?login&tpl=mn&u='+ encodeURIComponent(window.location.href+ (window.location.search === "" ? "?" : "&")+ "bdorz_come=1")+ '" name="tj_login" class="lb">登录</a>');</script> <a href=//www.baidu.com/more/ name=tj_briicon class=bri style="display: block;">更多产品</a> </div> </div> </div> <div id=ftCon> <div id=ftConw> <p id=lh> <a href=http://home.baidu.com>关于百度</a> <a href=http://ir.baidu.com>About Baidu</a> </p> <p id=cp>©2017 Baidu <a href=http://www.baidu.com/duty/>使用百度前必读</a> <a href=http://jianyi.baidu.com/ class=cp-feedback>意见反馈</a> 京ICP证030173号 <img src=//www.baidu.com/img/gs.gif> </p> </div> </div> </div> </body> </html>
[step-with-script] Success
[step-with-script] All done!task脚本和参数结合使用
[root@master 02-tekton-basics]# tkn task start logger --showlog -p text="TaskRun finished"
TaskRun started: logger-run-mpjnr
Waiting for logs to be available...
[log] [2022-10-26 16:59:48] - TaskRun finished
[root@master 02-tekton-basics]# cat 05-task-script-and-parameters.yaml
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: logger
spec:
params:
- name: text
type: string
description: something to log
default: "-"
steps:
- name: log
image: alpine:3.15
script: |
apk add -q tzdata
cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
DATETIME=$(date "+%F %T")
echo [$DATETIME] - $(params.text)定义pipeline并引用task hello和multiple，runAfter会先运行，如果注释掉runAfter两个task会同时运行
[root@master 02-tekton-basics]# cat 06-pipeline-demo.yaml
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
name: pipeline-demo
spec:
tasks:
- name: first-task
taskRef:
name: hello
- name: second-task
taskRef:
name: multiple
runAfter:
- first-task
[root@master 02-tekton-basics]# kubectl apply -f 06-pipeline-demo.yaml
pipeline.tekton.dev/pipeline-demo created
[root@master 02-tekton-basics]# tkn pipeline start pipeline-demo --showlog
PipelineRun started: pipeline-demo-run-6l4v8
Waiting for logs to be available...
[first-task : say-hello] Hello World
[second-task : first] First Step
[second-task : second] Second Step定义pipeline和pipelinerun，在dashboard中查看log
[root@master 02-tekton-basics]# kubectl apply -f 08-pipeline-with-params.yaml
pipeline.tekton.dev/pipeline-with-params created
[root@master 02-tekton-basics]# kubectl apply -f 09-pipelinerun-with-params.yaml
pipelinerun.tekton.dev/pipeline-with-params-run-xxxxy created
[root@master 02-tekton-basics]# cat 08-pipeline-with-params.yaml
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
name: pipeline-with-params
spec:
params:
- name: text
type: string
- name: username
type: string
tasks:
- name: task-one
taskRef:
name: hello-params
params:
- name: target
value: $(params.username)
- name: task-two
taskRef:
name: logger
params:
- name: text
value: $(params.text)
[root@master 02-tekton-basics]# cat 09-pipelinerun-with-params.yaml
apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
name: pipeline-with-params-run-xxxxy
namespace: default
spec:
params:
- name: username
value: "Yang CloudNative Course"
- name: text
value: "Something has happened ~~."
pipelineRef:
name: pipeline-with-params
serviceAccountName: default
timeout: 10m0s
[root@master 02-tekton-basics]# tkn pipelinerun list
NAME STARTED DURATION STATUS
pipeline-with-params-run-xxxxy 1 minute ago 3s Succeeded
pipeline-with-params-run-xxxxx 11 minutes ago 3s Succeeded
pipeline-demo-run-6l4v8 27 minutes ago 6s Succeeded
hello-goodbye-run 4 hours ago 18s Succeeded 
定义pipeline上各task的次序
[root@master 02-tekton-basics]# kubectl apply -f 10-pipeline-with-ordered-task.yaml
pipeline.tekton.dev/pipeline-task-ordering created
[root@master 02-tekton-basics]# cat 10-pipeline-with-ordered-task.yaml
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
name: pipeline-task-ordering
spec:
tasks:
- name: task-a
taskRef:
name: logger
params:
- name: text
value: "task-A executed"
- name: task-b
taskRef:
name: logger
params:
- name: text
value: "Executed after task-A"
runAfter: ["task-a"]
- name: task-c
taskRef:
name: logger
params:
- name: text
value: "Executed after task-A"
runAfter: ["task-a"]
- name: task-d
taskRef:
name: logger
params:
- name: text
value: "Executed after task-B and task-C"
runAfter: ["task-b", "task-c"]
[root@master 02-tekton-basics]# tkn pipeline list
NAME AGE LAST RUN STARTED DURATION STATUS
hello-goodbye 4 hours ago hello-goodbye-run 4 hours ago 18s Succeeded
pipeline-demo 38 minutes ago pipeline-demo-run-6l4v8 35 minutes ago 6s Succeeded
pipeline-task-ordering 8 seconds ago --- --- --- ---
pipeline-with-params 19 minutes ago pipeline-with-params-run-xxxxy 8 minutes ago 3s Succeeded
[root@master 02-tekton-basics]# tkn pipeline start pipeline-task-ordering --showlog
PipelineRun started: pipeline-task-ordering-run-rz8hk
Waiting for logs to be available...
[task-a : log] [2022-10-26 17:41:21] - task-A executed
[task-b : log] [2022-10-26 17:41:30] - Executed after task-A
[task-c : log] [2022-10-26 17:41:30] - Executed after task-A
[task-d : log] [2022-10-26 17:41:39] - Executed after task-B and task-Cworkspace示例
[root@master 03-tekton-advanced]# cat 01-task-workspace-demo.yaml
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: workspace-demo
spec:
params:
- name: target
type: string
default: MageEdu
steps:
- name: write-message
image: alpine:3.16
script: |
#!/bin/sh
set -xe
if [ "$(workspaces.messages.bound)" == "true" ] ; then
echo "Hello $(params.target)" > $(workspaces.messages.path)/message
#cat $(workspaces.messages.path)/message
fi
echo "Mount Path: $(workspaces.messages.path)"
echo "Volume Name: $(workspaces.messages.volume)"
- name: print-message
image: alpine:3.16
script: |
#!/bin/sh
set -xe
if [ "$(workspaces.messages.bound)" == "true" ] ; then
cat $(workspaces.messages.path)/message
fi
workspaces:
- name: messages
description: |
The folder where we write the message to. If no workspace
is provided then the message will not be written.
optional: true
mountPath: /data
[root@master 03-tekton-advanced]# tkn task start workspace-demo --showlog -p target="Yang Cloud Native Course" -w name=messages,emptyDir=""
TaskRun started: workspace-demo-run-8drn5
Waiting for logs to be available...
[write-message] + '[' true '==' true ]
[write-message] + echo 'Hello Yang Cloud Native Course'
[write-message] + echo 'Mount Path: /data'
[write-message] + echo 'Volume Name: ws-zvkph'
[write-message] Mount Path: /data
[write-message] Volume Name: ws-zvkph
[print-message] + '[' true '==' true ]
[print-message] + cat /data/message
[print-message] Hello Yang Cloud Native Course
pipeline的workspace
[root@master 03-tekton-advanced]# kubectl apply -f 03-pipeline-workspace.yaml
pipeline.tekton.dev/pipeline-source-lister created
[root@master 03-tekton-advanced]# cat 03-pipeline-workspace.yaml
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
name: pipeline-source-lister
spec:
workspaces:
- name: codebase
params:
- name: git-url
type: string
description: Git repository url to be cloned
tasks:
- name: git-clone
taskRef:
name: source-lister
workspaces:
- name: source
workspace: codebase
params:
- name: git-repo
value: $(params.git-url)
[root@master 03-tekton-advanced]# tkn pipeline list
NAME AGE LAST RUN STARTED DURATION STATUS
hello-goodbye 7 hours ago hello-goodbye-run 7 hours ago 18s Succeeded
pipeline-demo 3 hours ago pipeline-demo-run-6l4v8 3 hours ago 6s Succeeded
pipeline-source-lister 29 seconds ago --- --- --- ---
pipeline-task-ordering 2 hours ago pipeline-task-ordering-run-rz8hk 2 hours ago 26s Succeeded
pipeline-with-params 3 hours ago pipeline-with-params-run-xxxxy 2 hours ago 3s Succeeded
[root@master 03-tekton-advanced]# tkn pipeline start pipeline-source-lister --showlog -p git-url=https://gitee.com/mageedu/spring-boot-helloWorld.git -w name=source,emptyDir="" -w name=codebase,emptyDir=""
PipelineRun started: pipeline-source-lister-run-t877b
Waiting for logs to be available...
[git-clone : git-clone] Cloning into '/workspace/source/source'...
[git-clone : git-clone] POST git-upload-pack (175 bytes)
[git-clone : git-clone] POST git-upload-pack (367 bytes)
[git-clone : list-files] Dockerfile
[git-clone : list-files] Jenkinsfile
[git-clone : list-files] LICENSE
[git-clone : list-files] README.md
[git-clone : list-files] deploy
[git-clone : list-files] pom.xml
[git-clone : list-files] src在k8s上部署一个nfs服务器
[root@master tekton-and-argocd-in-practise]# kubectl create ns nfs
[root@master tekton-and-argocd-in-practise]# kubectl create -f https://raw.githubusercontent.com/kubernetes-csi/csi-driver-nfs/master/deploy/example/nfs-provisioner/nfs-server.yaml -n nfs
[root@master tekton-and-argocd-in-practise]# kubectl get pods -n nfs
NAME READY STATUS RESTARTS AGE
nfs-server-5847b99d99-snfrp 1/1 Running 0 19m
[root@master tekton-and-argocd-in-practise]# curl -skSL https://raw.githubusercontent.com/kubernetes-csi/csi-driver-nfs/v3.1.0/deploy/install-driver.sh | bash -s v3.1.0 --
[root@master tekton-and-argocd-in-practise]# kubectl get pods -n kube-system
NAME READY STATUS RESTARTS AGE
csi-nfs-controller-65cf7d587-mdr9f 3/3 Running 0 5m11s
csi-nfs-controller-65cf7d587-n7hmv 3/3 Running 0 5m11s
csi-nfs-node-6tcgt 3/3 Running 0 3m34s
csi-nfs-node-925sn 3/3 Running 0 3m34s
csi-nfs-node-xt4qg 3/3 Running 0 3m34s
[root@master tmp]# cat nfs-csi.yaml
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: nfs-csi
provisioner: nfs.csi.k8s.io
parameters:
server: nfs-server.nfs.svc.cluster.local
share: /
# csi.storage.k8s.io/provisioner-secret is only needed for providing mountOptions in DeleteVolume
# csi.storage.k8s.io/provisioner-secret-name: "mount-options"
# csi.storage.k8s.io/provisioner-secret-namespace: "default"
reclaimPolicy: Delete
volumeBindingMode: Immediate
mountOptions:
- nfsvers=4.1
[root@master tmp]# kubectl get sc
NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
nfs-csi nfs.csi.k8s.io Delete Immediate false 3s
[root@master tmp]# kubectl get sc
NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
nfs-csi nfs.csi.k8s.io Delete Immediate false 3s
[root@master tmp]# kubectl apply -f https://raw.githubusercontent.com/kubernetes-csi/csi-driver-nfs/master/deploy/example/pvc-nfs-csi-dynamic.yaml
persistentvolumeclaim/pvc-nfs-dynamic created
[root@master tmp]# kubectl get pvc
NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
pvc-nfs-dynamic Bound pvc-e9d5ac2a-f4d5-47eb-87b6-81220d435e5e 10Gi RWX nfs-csi 5s
[root@master tmp]# kubectl get sc
NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
nfs-csi nfs.csi.k8s.io Delete Immediate false 2m49spipelinerun上的workspace和parameters
[root@master 03-tekton-advanced]# kubectl apply -f 04-pipeline-worlspace-02.yaml
pipeline.tekton.dev/volume-share configured
pipelinerun.tekton.dev/volume-share-run-xxxx created
[root@master 03-tekton-advanced]# cat 04-pipeline-worlspace-02.yaml
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
name: volume-share
spec:
params:
- name: git-url
type: string
workspaces:
- name: codebase
tasks:
- name: fetch-from-source
params:
- name: url
value: $(params.git-url)
taskSpec:
workspaces:
- name: source
params:
- name: url
steps:
- name: git-clone
image: alpine/git:v2.36.1
script: git clone -v $(params.url) $(workspaces.source.path)/source
workspaces:
- name: source
workspace: codebase
- name: source-lister
runAfter:
- fetch-from-source
taskSpec:
steps:
- name: list-files
image: alpine:3.16
script: ls $(workspaces.source.path)/source
workspaces:
- name: source
workspaces:
- name: source
workspace: codebase
---
apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
name: volume-share-run-xxxx
spec:
pipelineRef:
name: volume-share
params:
- name: git-url
value: https://gitee.com/mageedu/spring-boot-helloWorld.git
workspaces:
- name: codebase
volumeClaimTemplate:
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
storageClassName: nfs-csi
[root@master 03-tekton-advanced]# kubectl get pvc
NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
pvc-139c72dc23 Bound pvc-8d2ab544-eca6-4c06-a126-ad6c8eb2c4b4 1Gi RWO nfs-csi 2m12s 
生产示例
[root@master 03-tekton-advanced]# kubectl apply -f 05-pipeline-source-to-package.yaml
pipeline.tekton.dev/source-2-package created
pipelinerun.tekton.dev/source-2-package-run-001 created
[root@master 03-tekton-advanced]# cat 05-pipeline-source-to-package.yaml
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
name: source-2-package
spec:
params:
- name: git-url
type: string
workspaces:
- name: codebase
tasks:
- name: fetch-from-source
params:
- name: url
value: $(params.git-url)
taskSpec:
workspaces:
- name: source
params:
- name: url
steps:
- name: git-clone
image: alpine/git:v2.36.1
script: git clone -v $(params.url) $(workspaces.source.path)/source
workspaces:
- name: source
workspace: codebase
- name: build-package
runAfter:
- fetch-from-source
taskSpec:
steps:
- name: build
image: maven:3.8-openjdk-11-slim
workingDir: $(workspaces.source.path)/source
script: |
mvn clean install
workspaces:
- name: source
workspaces:
- name: source
workspace: codebase
---
apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
name: source-2-package-run-001
spec:
pipelineRef:
name: source-2-package
params:
- name: git-url
value: https://gitee.com/mageedu/spring-boot-helloWorld.git
workspaces:
- name: codebase
volumeClaimTemplate:
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
storageClassName: nfs-csi
在task和step上使用volume，运行两次
[root@master 03-tekton-advanced]# kubectl apply -f 06-pipeline-source-to-package.yaml
persistentvolumeclaim/maven-cache created
pipeline.tekton.dev/source-2-package configured
pipelinerun.tekton.dev/source-2-package-run-003 created
[root@master 03-tekton-advanced]# cat 06-pipeline-source-to-package.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: maven-cache
spec:
storageClassName: nfs-csi
accessModes:
- ReadWriteMany
resources:
requests:
storage: 5Gi
---
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
name: source-2-package
spec:
params:
- name: git-url
type: string
workspaces:
- name: codebase
tasks:
- name: fetch-from-source
params:
- name: url
value: $(params.git-url)
taskSpec:
workspaces:
- name: source
params:
- name: url
steps:
- name: git-clone
image: alpine/git:v2.36.1
script: git clone -v $(params.url) $(workspaces.source.path)/source
workspaces:
- name: source
workspace: codebase
- name: build-package
runAfter:
- fetch-from-source
taskSpec:
steps:
- name: build
image: maven:3.8-openjdk-11-slim
workingDir: $(workspaces.source.path)/source
volumeMounts:
- name: m2
mountPath: /root/.m2
script: mvn clean test package
workspaces:
- name: source
volumes:
- name: m2
persistentVolumeClaim:
claimName: maven-cache
workspaces:
- name: source
workspace: codebase
---
apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
name: source-2-package-run-003
spec:
pipelineRef:
name: source-2-package
params:
- name: git-url
value: https://gitee.com/mageedu/spring-boot-helloWorld.git
#value: http://code.gitlab.svc.cluster.local/root/spring-boot-helloWorld.git
workspaces:
- name: codebase
volumeClaimTemplate:
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
storageClassName: nfs-csi[root@master 03-tekton-advanced]# tkn pipelinerun logs -f source-2-package-run-003 
修改一下pipelinerun的name为source-2-package-run-004在运行一次
这次很快10秒完成，说明第二次用到了缓存的数据
[root@master 03-tekton-advanced]# kubectl apply -f 06-pipeline-source-to-package.yaml
persistentvolumeclaim/maven-cache unchanged
pipeline.tekton.dev/source-2-package configured
pipelinerun.tekton.dev/source-2-package-run-004 created
[root@master 03-tekton-advanced]# tkn pipelinerun logs -f source-2-package-run-004
使用Results进行数据传递
[root@master 03-tekton-advanced]# kubectl apply -f 07-results-demo.yaml
task.tekton.dev/generate-buildid created
[root@master 03-tekton-advanced]# cat 07-results-demo.yaml
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: generate-buildid
spec:
params:
- name: version
description: The version of the application
type: string
default: "v0.9"
results:
- name: datetime
description: The current date and time
- name: buildId
description: The build ID
steps:
- name: generate-datetime
image: ikubernetes/admin-box:v1.2
script: |
#!/usr/bin/env bash
datetime=`date +%Y%m%d-%H%M%S`
echo -n ${datetime} | tee $(results.datetime.path)
- name: generate-buildid
image: ikubernetes/admin-box:v1.2
script: |
#!/usr/bin/env bash
buildDatetime=`cat $(results.datetime.path)`
buildId=$(params.version)-${buildDatetime}
echo -n ${buildId} | tee $(results.buildId.path)
[root@master 03-tekton-advanced]# tkn task list
NAME DESCRIPTION AGE
generate-buildid 7 seconds ago
goodbye 1 hour ago
hello 1 week ago
hello-params 1 week ago
logger 1 week ago
multiple 1 week ago
script 1 week ago
source-lister 1 hour ago
workspace-demo 1 hour ago
[root@master 03-tekton-advanced]# tkn task start generate-buildid --showlog
? Value for param `version` of type `string`? (Default is `v0.9`) v0.9.1
TaskRun started: generate-buildid-run-6v5pk
Waiting for logs to be available...
[generate-datetime] 20221102-095210
[generate-buildid] v0.9.1-20221102-095210
[root@master 03-tekton-advanced]# tkn task start generate-buildid --showlog -p version='0.9.2'
TaskRun started: generate-buildid-run-6ds97
Waiting for logs to be available...
[generate-datetime] 20221102-095237
[generate-buildid] 0.9.2-20221102-095237
