pipeline {
    agent any
    
    // Define parameters
    parameters {
        //booleanParam(name: 'deploy_iso', defaultValue: true, description: 'Deploy extra ISO boot options - will increase pipeline runtime.')
        string(name: 'host_ip', defaultValue: '172.20.20.41', description: 'PXE Server IP Address')
        string(name: 'iface', defaultValue: 'eth1', description: 'Listen interface for PXE')
        string(name: 'server_ip', defaultValue: '172.29.1.10', description: 'IP address for DHCP server, might not match the target IP such as in the default case where I have two interfaces')
        string(name: 'router_ip', defaultValue: '172.29.1.10', description: 'IP Address for router')
        string(name: 'dhcp_subnet', defaultValue: '172.29.1.0', description: 'Default Subnet for DHCP server')
        string(name: 'dhcp_netmask', defaultValue: '255.255.255.0', description: 'Default netmask for DHCP server')
        string(name: 'dhcp_start', defaultValue: '172.29.1.50', description: 'DHCP start IP')
        string(name: 'dhcp_end', defaultValue: '172.29.1.250', description: 'DHCP end IP')
        booleanParam(name: 'configure_routing', defaultValue: true, description: 'Check this option to configure the PXE server to be the gateway for the dhcp network')
        string(name: 'inet_iface', defaultValue: 'eth0', description: 'Interface for internet if enabling routing')
        booleanParam(name: 'refresh_only', defaultValue: true, description: 'Only run the PXE Role to refresh configs')
    }

    environment {
        ANSIBLE_FORCE_COLOR = '1'
        SATURN_BEHEMOTH = credentials('SATURN_BEHEMOTH')
        APPS_LIST = 'pxe-server'
        LINUX_LDAP_PWD = credentials('LINUX_LDAP')
        AUTHORIZED_KEY = credentials('AUTH_SSH_KEY')
        matt_public_key = credentials('matt_public_key')
        matt_private_key = credentials('matt_private_key')
        cosmos_password = credentials('cosmos_password')
        cosmos_root_password = credentials('cosmos_root_password')
    }

    options {
        ansiColor('xterm')
    }

    stages {


        stage('Generate Inventory File') {
            steps {
                // Generate the dynamic inventory file
                sh """
                set +x  
                jenkins_group=\$(echo ${env.BUILD_USER_GROUPS} |  sed 's/,/\\n/g' | grep -v \$SERVER_SUBNET_GROUP | grep Jenkins | head -n 1)
                jenkins_subnet_group=\$(echo ${env.BUILD_USER_GROUPS} |  sed 's/,/\\n/g' | grep -e authenticated -e \$SERVER_SUBNET_GROUP | sort -rf | head -n 1)
                jenkins_user=\$(echo ${env.BUILD_USER})
                playbook_file="/var/jenkins_home/ansible/playbooks/pxe-server.yaml"
                cd /var/jenkins_home/ansible
                chmod +x /var/jenkins_home/ansible/inventory/inventory.sh
                set -x
                
                /var/jenkins_home/ansible/inventory/inventory.sh -p \$playbook_file -s -a \$jenkins_subnet_group -g \$jenkins_group -u \$jenkins_user -i ${params.host_ip} 

                """
            }
        }

        stage('Ansible Playbook') {
            steps {
                //Run the pxe-server ansible playbook
                // /workspace/ansible/playbooks/pxe-server.yaml
                sh """
                set +x  
                echo ${params.host_ip}
                hash=\$(echo -n ${params.host_ip} | md5sum | cut -c 1-8)
                inventory_file="/var/jenkins_home/ansible/.inv/inventory-\$hash.yml"
                playbook_file="/var/jenkins_home/ansible/playbooks/pxe-server.yaml"
                extra_vars=\$(echo " \
                    new_hostname=debian-pxe.home.cosmos \
                    saturn_behemoth=${SATURN_BEHEMOTH} \
                    authorized_key=${AUTHORIZED_KEY} \
                    rename_host=true apps_list=${APPS_LIST} \
                    matt_public_key='${env.matt_public_key}' \
                    cosmos_password='${env.cosmos_password}' \
                    cosmos_root_password='${env.cosmos_root_password}'
                    listen_interface=${params.iface} \
                    internet_interface=${params.inet_iface} \
                    dhcp_subnet=${params.dhcp_subnet} \
                    dhcp_netmask=${params.dhcp_netmask} \
                    dhcp_start=${params.dhcp_start} \
                    dhcp_end=${params.dhcp_end} \
                    server_ip=${params.server_ip} \
                    router_ip=${params.router_ip} \
                    configure_routing=${params.configure_routing} \
                    refresh_only=${params.refresh_only} \
                " | tr -s " ")
                set -x

                cd /var/jenkins_home/ansible

                ansible-playbook -i \$inventory_file \$playbook_file \
                    --ssh-common-args='-o StrictHostKeyChecking=no' \
                    --extra-vars "\$extra_vars matt_private_key='${env.matt_private_key}' "
                
                """
            }
        }
    }

    post {
        always {
            // Remove dynamic Inventory file
            sh """
            set +x  
            hash=\$(echo -n "${params.host_ip}" | md5sum | cut -c 1-8)
            inventory_file="/var/jenkins_home/ansible/.inv/inventory-\$hash.yml"
            set -x

            rm \$inventory_file
            
            """
        }
    }

}