#!/usr/bin/python3

# -----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (Revision 42):
# zmey20000@yahoo.com wrote this file. As long as you retain this notice you
# can do whatever you want with this stuff. If we meet some day, and you think
# this stuff is worth it, you can buy me a beer in return Mikhail Zakharov
# -----------------------------------------------------------------------------


import paramiko


def ssh_exec(host, user, password, port, command):
	"""Execute a command via SSH and read results"""

    client = paramiko.SSHClient()
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(hostname=host, username=user, password=password, port=port)
    stdin, stdout, stderr = client.exec_command(command)

    data = stdout.read()
    # TO-DO: Check error = stderr.read() for errors
    client.close()

    data = data.decode('utf-8')

    return data


def split_colon(ln):
	"""Split the string 'ln' by colon and return the second part"""
    return ln.split(':')[1].strip()

showsys_raw = ssh_exec('hp3par001', 'monitor', 'monitor', 22, 'showsys -d')

for ln in showsys_raw.splitlines():
    if 'System Name' in ln:
        system_name = split_colon(ln)
        continue
    if 'System Model' in ln:
        system_model = split_colon(ln)
        continue
    if 'Serial Number' in ln:
        serial_number = split_colon(ln)
        continue
    if 'System ID' in ln:
        system_id = split_colon(ln)
        continue
    if 'Number of Nodes' in ln:
        number_of_nodes = split_colon(ln)
        continue
    if 'Master Node' in ln:
        master_node = split_colon(ln)
        continue
    if 'Total Capacity' in ln:
        total_capacity = split_colon(ln)
        continue
    if 'Allocated Capacity' in ln:
        allocated_capacity = split_colon(ln)
        continue
    if 'Free Capacity' in ln:
        free_capacity = split_colon(ln)
        continue
    if 'Failed Capacity' in ln:
        failed_capacity = split_colon(ln)
        continue
    if 'Location' in ln:
        location = split_colon(ln)
        continue
    if 'Owner' in ln:
        owner = split_colon(ln)
        continue
    if 'Contact' in ln:
        contact = split_colon(ln)
        continue
    if 'Comment' in ln:
        comment = split_colon(ln)

print('showsys -d ------------------------------------------------------------',
        '\nSystem Name:', system_name,
        '\nSystem Model:', system_model,
        '\nSerial Number:', serial_number,
        '\nSystem ID:', system_id,
        '\nNumber of Nodes:', number_of_nodes,
        '\nMaster Node:', master_node,
        '\nTotal Capacity:', total_capacity,
        '\nAllocated Capacity:', allocated_capacity,
        '\nFree Capacity:', free_capacity,
        '\nFailed Capacity:', failed_capacity,
        '\nLocation:', location,
        '\nOwner:', owner,
        '\nContact:', contact,
        '\nComment:', comment)