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[Jenkins] Lesson 4: Environment in Pipeline Jenkins

Posted on October 30, 2021October 30, 2021 By nim No Comments on [Jenkins] Lesson 4: Environment in Pipeline Jenkins

Contents

Toggle
  • Environment
    • standard
      • example 1: sample
      • example 2: environment didn’t declared in stage Pipeline
      • Example 3: environment declared at both global and stage Pipeline
      • example 4: print env of system
    • credential

Environment

standard

example 1: sample

pipeline{
	agent{
	    label "k8s-permanent"
	}
	environment{
	    name1 = "nim1"
	    name2 = "nim2"
	}
	stages{
		stage("Build"){
		    environment{
        	    name3 = "nim3"
        	}
			steps{
				echo "name1 ${name1}"
				echo "name2 ${name2}"
				echo "name3 ${name3}"
			}
		}
	}
}

example 2: environment didn’t declared in stage Pipeline

pipeline{
	agent{
	    label "k8s-permanent"
	}
	environment{
	    name1 = "nim1"
	    name2 = "nim2"
	}
	stages{
		stage("Build"){
		    environment{
        	    name3 = "nim3"
        	}
			steps{
				echo "name1 ${name1}"
				echo "name2 ${name2}"
				echo "name3 ${name3}"
			}
		}
		
		stage("Test"){
			steps{
				echo "name1 ${name1}"
				echo "name2 ${name2}"
				echo "name3 ${name3}"
			}
		}
	}
}
Lỗi stage test
Nhìn log là hiểu lỗi.

Example 3: environment declared at both global and stage Pipeline

pipeline{
	agent{
	    label "k8s-permanent"
	}
	environment{
	    name1 = "nim1"
	    name2 = "nim2"
	}
	stages{
		stage("Build"){
		    environment{
		        name2 = "change_nim2"
        	    name3 = "nim3"
        	}
			steps{
				echo "name1 ${name1}"
				echo "name2 ${name2}"
				echo "name3 ${name3}"
			}
		}
	}
}

example 4: print env of system

pipeline{
	agent{
	    label "k8s-permanent"
	}
	environment{
	    name1 = "nim1"
	    name2 = "nim2"
	}
	stages{
		stage("Build"){
		    environment{
		        name2 = "change_nim2"
        	    name3 = "nim3"
        	}
			steps{
				echo "name1 ${name1}"
				echo "name2 ${name2}"
				echo "name3 ${name3}"
				sh "printenv"
			}
		}
	}
}
thấy env đã được lưu vào env job system

credential

Tạo credential user/pass
tạo credential text secret
vì ID lúc tạo được để trống nên tự gen ID
pipeline{
	agent{
	    label "k8s-permanent"
	}
	environment{
	    user_pass = credentials("e375d6c5-54b2-4881-996e-58430673a8f4")
	    text_secret = credentials("ad2def08-0d61-4503-a6d5-a98666d730fd")
	}
	stages{
		stage("Build"){
			steps{
				echo "user_pass ${user_pass}"
				echo "user_pass ${user_pass_USR}" // prefix _USR lấy username
				echo "user_pass ${user_pass_PSW}" // prefix _PSW lấy passwork
				echo "user_pass ${text_secret}"
			}
		}
	}
}
Jenkins

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Previous Post: [Jenkins] Lesson 3: Option in Pipeline Jenkins
Next Post: [Jenkins] Lesson 5: Condition “When” in Pipeline Jenkins

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