salt/bin/rolesyncer.py

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#!/usr/bin/python3
import os
import pynetbox
import roles
if not 'NB_HOST' in os.environ or not 'NB_TOKEN' in os.environ:
print('Pass NB_HOST and NB_TOKEN as environment variables.')
import sys
sys.exit(1)
host = os.environ['NB_HOST']
token = os.environ['NB_TOKEN']
# unlikely to ever change, hence hardcoding the field_id. otherwise we could filter custom_fields for the name 'salt_roles'.
field_id = 1
def connect(host, token):
netbox = pynetbox.api(host, token)
return(netbox)
def query_nb(netbox, pk):
try:
field = netbox.extras.custom_fields.get(pk)
except pynetbox.RequestError as myerr:
if myerr.req_status_code == 404:
print('Custom field not found')
raise
return(field)
def get_nb(field):
choices = field.choices
if not choices:
return(None)
if len(choices) > 0:
return(choices)
def get_local():
return(roles.get())
def compare(a, b):
a.sort()
b.sort()
if a == b:
return(True)
if a != b:
return(False)
def write_nb(field, roles):
field.choices = roles
try:
if field.save():
print('Update complete')
else:
print('Nothing to update')
except:
raise
def sync(netbox):
field = query_nb(netbox, field_id)
roles_local = get_local()
roles_nb = get_nb(field)
if roles_nb is None:
print('Roles in NetBox are currently empty')
is_synced = compare(roles_local, roles_nb)
if is_synced:
print('Roles already in sync')
if not is_synced:
print('Writing local roles to NetBox ...')
write_nb(field, roles_local)
if __name__ == '__main__':
netbox = connect(host, token)
sync(netbox)