How can Shell Script and Jenkins Pipeline be utilized to generate 4 Login Id's and execute login based on user input?

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To generate 4 login IDs and execute login based on user input using Shell Script and Jenkins Pipeline, you can follow these steps:

1. Write a shell script to create 4 random login IDs. You can use the rand function in shell to generate random numbers and concatenate them with a prefix to create unique IDs. For example:

#!/bin/bash
# Generate 4 login IDs
for i in {1..4}
do
  id="${RANDOM}"
  prefix="user"
  login_id="${prefix}${id}"
  echo "${login_id}"
done

1. Add the script to a Jenkins Pipeline stage. You can use the sh step to execute the script. For example:

pipeline {
  agent any
  stages {
    stage('Generate Login IDs') {
      steps {
        sh './generate_login_ids.sh'
      }
    }
  }
}

1. Add user input to the pipeline. You can use the input step to prompt the user for input. For example:

pipeline {
  agent any
  stages {
    stage('Generate Login IDs') {
      steps {
        input message: 'Enter the number of login IDs (1-4)', parameters: [
            [$class: 'ChoiceParameterDefinition', choices: '1\n2\n3\n4', description: 'Select number of login IDs', name: 'num_ids']
        ]
        sh './generate_login_ids.sh'
      }
    }
  }
}

1. Modify the script to execute the login based on user input. You can use the read command in shell to get user input and use a case statement to execute the login script based on user input. For example:

#!/bin/bash
# Get user input
read -p "Enter login ID (1-4): " choice

# Execute login based on user input
case $choice in
  1)
    # Execute login for ID 1
    ;;
  2)
    # Execute login for ID 2
    ;;
  3)
    # Execute login for ID 3
    ;;
  4)
    # Execute login for ID 4
    ;;
  *)
    echo "Invalid choice, please try again"
    ;;
esac

1. Add the login script to the Jenkins Pipeline. You can add another stage to the pipeline and use the sh step to execute the login script. For example:

pipeline {
  agent any
  stages {
    stage('Generate Login IDs') {
      steps {
        input message: 'Enter the number of login IDs (1-4)', parameters: [
            [$class: 'ChoiceParameterDefinition', choices: '1\n2\n3\n4', description: 'Select number of login IDs', name: 'num_ids']
        ]
        sh './generate_login_ids.sh'
      }
    }
    stage('Login') {
      steps {
        input message: 'Enter login ID (1-4)', parameters: [
            [$class: 'ChoiceParameterDefinition', choices: '1\n2\n3\n4', description: 'Select login ID', name: 'login_id']
        ]
        sh './login.sh'
      }
    }
  }
}