Library Jenkins

example to declare method

• put methods in floder vars
• put class in src
• name of method like name of file groovy. example: get_approval_from_user.groovy and then call method get_approval_from_user
• in vars/get_approval_from_user.groovy only declare function call
• example:

def call(String approval_flag) {
    if(approval_flag == "Yes"){
        userInput = input(id: 'confirm', message: "Should we continue?",  ok: "Yes, we should.",  submitter: "devops")
    }else{
        sleep 10
    }
}

example to use

• @Library('pipeline-library-demo') _ : pipeline-library-demo is name of library in jenkins

@Library('pipeline-library-demo') _

import com.cleverbuilder.GlobalVars
import com.cleverbuilder.SampleClass

pipeline {
    agent any
    parameters {
        choice(name: "NODE_LABEL", choices: ["YOUR_PROJECT-jenkins-1"])
        string(name: 'PROJECT_NAME', defaultValue: 'YOUR_PROJECT-wordpress', description: 'Enter service name?')
        choice(name: 'ENVIRONMENT', choices: ['dev'], description: 'Enter short environment name?')
        choice(name: 'GET_APPROVAL', choices: ['No', 'Yes'], description: 'Do you want to confirm before going to the next or not?')
    }
    stages {
        stage('Demo') {
            steps {
                echo 'Hello, world'
                sayHello 'Dave'
                echo "Sum 8888 and 9999 : ${sum(8888,9999)}"
                echo 'The value of foo is : ' + GlobalVars.foo
                get_approval_from_user("${params.GET_APPROVAL}")
                script {
                    def person = new SampleClass()
                    person.age = 21
                    person.increaseAge(10)
                    echo 'Incremented age, is now : ' + person.age
                }
            }
        }
    }
}

Send notification to telegram

How to get the channel ID

Step 1: Create a private channel
Step 2: Add the bot(@alert_prd_bot) to the channel
Step 3: Use the API below to get the ID of the channel. It has format like tat -100xxx
step 4: check id by
curl -i https://api.telegram.org/bot${YOUR_TOKEN}/getUpdates

Set envs

• CI_CD_CHAT_ID_DEV: Your channel ID or group Telegram ID
• CI_CD_CHAT_ID_PRD: Your channel ID or group Telegram ID

Set credential

• ID: telegram_token
• Secret: Your bot token (don't add prefix bot in the secret token)
• Description: Without bot prefix
• Kind: Secret text

Jenkinsfile

• Please check jenkinsfile-examples/sending_telegram_example.groovy

docs

https://www.tutorialworks.com/jenkins-shared-library/
https://www.eficode.com/blog/jenkins-groovy-tutorial