image_to_nodes.py

from pexpect import pxssh
import os

NODE_IPADDRESSES = os.getenv('NODE_IPADDRESSES')
NODE_IPADDRESSES = NODE_IPADDRESSES.split(",")

NODE_USERNAME = os.getenv('NODE_USERNAME')
NODE_USERNAME_PASSWORD = os.getenv('NODE_USERNAME_PASSWORD')

DOCKER_USERNAME = os.getenv('DOCKER_USERNAME')
DOCKER_IMAGE_NAME = os.getenv('DOCKER_IMAGE_NAME')

VERSION = os.getenv("VERSION")


for IPADDRESS in NODE_IPADDRESSES:

    s = pxssh.pxssh()

    s.login(IPADDRESS, NODE_USERNAME)

    s.sendline(
        f'echo {NODE_USERNAME_PASSWORD} | sudo -k -S sudo docker pull {DOCKER_USERNAME}/{DOCKER_IMAGE_NAME}:{VERSION}')
    s.prompt()
    print(s.before.decode('utf-8'))

    s.logout()

    print("done")
# # CLEANUP ########################################################################################################

# s.sendline('rm .bash_history')
# s.prompt()
# print(s.before.decode('utf-8'))