Jenkins SSH node creation with auto registration using python jenkinsapi

create_slave.py

from jenkinsapi.jenkins import Jenkins
from jenkinsapi.utils.requester import Requester
from subprocess import check_output
import requests
requests.packages.urllib3.disable_warnings()

# Using AWS AMI allows using the private IP and AWS instance name for the node's registration
# Change these value if you're using other AMI or not using AWS at all
instance_name = check_output(["ec2-metadata", "-i"]).split()[1]
instance_ip = check_output(["ec2-metadata", "-o"]).split()[1]


# Default values, change according to requirements
jenkins_url = "http://127.0.0.1:8080"
username = "default_user"
password = "default_pass"


# In case you're not behind SSL or any auth method you can simply use:   api = Jenkins(jenkins_url)
api = Jenkins(jenkins_url, requester=Requester(username, password, baseurl=jenkins_url, ssl_verify=False))

node_dict = {
    'num_executors': 4,
    'node_description': 'Automation Slave',
    'remote_fs': '/tmp',
    'labels': 'new_node',
    'exclusive': True,
    'host': instance_ip,                               # Can be 'localhost'
    'port': 22,
    'credential_description': 'Example description',   # Mandatory for SSH nodes!
    'jvm_options': '-Xmx2000M',
    'java_path': '/usr/bin/java',
    'prefix_start_slave_cmd': '',
    'suffix_start_slave_cmd': '',
    'max_num_retries': 0,
    'retry_wait_time': 0,
    'retention': 'Always',                             # Can be changes to OnDemand too
    'ondemand_delay': 1,
    'ondemand_idle_delay': 5
}


slave_name = 'Automation-Slave-({0})'.format(instance_name)     # Remove `({0})'.format(instance_name)` if not on AWS
slave_node = api.nodes.create_node(slave_name, node_dict)       # Creation of node

print "Done setting node"