Environment directive in Jenkins - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define an environment variable named GREETING with value 'Hello'.

Jenkins

pipeline {
  agent any
  environment {
    GREETING = [1]
  }
  stages {
    stage('Example') {
      steps {
        echo "${GREETING}, World!"
      }
    }
  }
}

Drag options to blanks, or click blank then click option'

A"World"

B"Hello"

C'Hello World'

DHello

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes around the value causes syntax errors.

Using unquoted words is invalid in environment directive.

Environment variable values must be strings enclosed in quotes. Here, "Hello" is the correct string value.

2fill in blank

medium

Complete the code to set an environment variable PATH_EXT to '/usr/local/bin'.

Jenkins

pipeline {
  agent any
  environment {
    PATH_EXT = [1]
  }
  stages {
    stage('Show Path') {
      steps {
        sh 'echo $PATH_EXT'
      }
    }
  }
}

Drag options to blanks, or click blank then click option'

A/usr/local/bin

B/usr/local/bin/

C'/usr/local/bin'

D"/usr/local/bin"

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting quotes around the path string.

Adding trailing slash when not intended.

The environment variable value must be a string enclosed in quotes. Double quotes "" are commonly used.

3fill in blank

hard

Fix the error in the environment directive to correctly set JAVA_HOME to '/usr/lib/jvm/java-11-openjdk'.

Jenkins

pipeline {
  agent any
  environment {
    JAVA_HOME = [1]
  }
  stages {
    stage('Build') {
      steps {
        sh 'echo $JAVA_HOME'
      }
    }
  }
}

Drag options to blanks, or click blank then click option'

A"/usr/lib/jvm/java-11-openjdk"

B/usr/lib/jvm/java-11-openjdk

C'/usr/lib/jvm/java-11-openjdk'

D/usr/lib/jvm/java-11-openjdk/

Attempts:

3 left

💡 Hint

Common Mistakes

Missing quotes around the path causes syntax errors.

Using single quotes sometimes works but double quotes are safer.

The value must be a string enclosed in quotes. Double quotes "" are preferred for paths in Jenkins environment directive.

4fill in blank

hard

Fill both blanks to set environment variables USER_NAME to 'admin' and USER_ROLE to 'developer'.

Jenkins

pipeline {
  agent any
  environment {
    USER_NAME = [1]
    USER_ROLE = [2]
  }
  stages {
    stage('Print') {
      steps {
        echo "User: ${USER_NAME}, Role: ${USER_ROLE}"
      }
    }
  }
}

Drag options to blanks, or click blank then click option'

A"admin"

B"user"

C"developer"

D"guest"

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up the values for USER_NAME and USER_ROLE.

Forgetting quotes around the values.

USER_NAME should be "admin" and USER_ROLE should be "developer", both as quoted strings.

5fill in blank

hard

Fill all three blanks to set environment variables APP_ENV to 'production', APP_VERSION to '1.2.3', and DEBUG_MODE to 'false'.

Jenkins

pipeline {
  agent any
  environment {
    APP_ENV = [1]
    APP_VERSION = [2]
    DEBUG_MODE = [3]
  }
  stages {
    stage('Info') {
      steps {
        echo "Environment: ${APP_ENV}, Version: ${APP_VERSION}, Debug: ${DEBUG_MODE}"
      }
    }
  }
}

Drag options to blanks, or click blank then click option'

A"development"

B"1.2.3"

C"false"

D"production"

Attempts:

3 left

💡 Hint

Common Mistakes

Using unquoted values causes errors.

Mixing up the variable values.

APP_ENV is "production", APP_VERSION is "1.2.3", and DEBUG_MODE is "false". All must be quoted strings.