Script that can be used to set-up nfs on a remote host using paramiko

setup_nfs.py

import paramiko, re, time, sys
def ssh_to_target (hostname, username, password):
    client = paramiko.SSHClient()
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(hostname, username=username, password=password)
    return client
 
def setup_nfs (client, password, cmds):
    for cmd in cmds:
        transport = client.get_transport()
        session = transport.open_session()
        session.set_combine_stderr(True)
        session.get_pty()
        session.exec_command(cmd)
        stdin = session.makefile('wb', -1)
        stdout = session.makefile('rb', -1)
        #you have to check if you really need to send password here 
        stdin.write(password +'\n')
        stdin.flush()

def perform_nfs_setup(user, password, host, nfs_host, remote_mount, local_mount):
    install_nfs = "sudo -S apt-get install -y nfs-common"
    mklocal_mount = "sudo -S mkdir -p %s"%local_mount
    chmod_mount = "sudo -S chmod -R a+rwx %s"%local_mount
    echo_mount = '''sudo sh -c "echo '%s:%s    %s   nfs    rsize=8192,wsize=8192,timeo=14,intr' >> /etc/fstab"'''%(nfs_host, remote_mount, local_mount)
    mount_all = "sudo -S mount -a"
    cmd_list = [
      install_nfs,
      mklocal_mount,
      chmod_mount,
      echo_mount,
      mount_all,
    ]
    client = ssh_to_target(host, username=user, password=password)
    setup_nfs (client, password, cmd_list)

    
if __name__ == "__main__":
    if len(sys.argv) < 7:
      cmd = "%s <host_update> <user> <password> <nfshost> <local_mount> <remote_mount>"%sys.argv[0]
      sys.exit(-1)
    host = sys.argv[1]
    user = sys.argv[2]
    password = sys.argv[3]
    nfshost = sys.argv[4]
    local_mount = sys.argv[5]
    remote_mount = sys.argv[6]
    perform_nfs_setup(user, password, host, nfshost, remote_mount, local_mount)