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xlsx_inventory.py
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xlsx_inventory.py
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#!/usr/bin/env python
import json
import os
import argparse
import configparser
import six
from openpyxl import load_workbook
from openpyxl.utils import coordinate_from_string, column_index_from_string
try:
FileNotFoundError
except NameError:
FileNotFoundError = IOError
config_file = 'xlsx_inventory.cfg'
default_group = 'NO_GROUP'
def find_config_file():
env_name = 'EXCEL_INVENTORY_CONFIG'
if env_name in os.environ:
return os.environ[env_name]
else:
return config_file
def main():
args = parse_args()
if args.config:
create_config(filename=args.file, group_by_col=args.group_by_col, hostname_col=args.hostname_col,
sheet=args.sheet)
config_path = find_config_file()
config = load_config(config_path)
try:
wb = load_workbook(config['xlsx_inventory_file'])
if 'sheet' in config:
sheet = wb[config['sheet']]
else:
sheet = wb.active
inventory = sheet_to_inventory(group_by_col=config['group_by_col'], hostname_col=config['hostname_col'],
sheet=sheet)
if args.list:
print(json.dumps(inventory, indent=4, sort_keys=True, default=str))
if args.config:
create_config(filename=args.file, group_by_col=args.group_by_col, hostname_col=args.hostname_col,
sheet=args.sheet)
elif args.host:
try:
print(json.dumps(
inventory['_meta']['hostvars'][args.host],
indent=4, sort_keys=True, default=str))
except KeyError as e:
print('\033[91mHost "%s" not Found!\033[0m' % e)
print(e)
except FileNotFoundError as e:
print(
'\033[91mFile Not Found! Check %s configuration file!'
' Is the `xlsx_inventory_file` path setting correct?\033[0m' % config_path)
print(e)
exit(1)
except KeyError as e:
print(
'\033[91mKey Error! Check %s configuration file! Is the `sheet` name setting correct?\033[0m' % config_path)
print(e)
exit(1)
exit(0)
def create_config(filename=None, group_by_col=None, hostname_col=None, sheet=None):
config = configparser.ConfigParser()
config['xlsx_inventory'] = {}
if filename is None:
print('\033[91m--file is required!\033[0m')
exit(1)
config['xlsx_inventory']['xlsx_inventory_file'] = filename
if group_by_col is not None:
config['xlsx_inventory']['group_by_col'] = group_by_col
if hostname_col is not None:
config['xlsx_inventory']['hostname_col'] = hostname_col
if sheet is not None:
config['xlsx_inventory']['sheet'] = sheet
with open(find_config_file(), 'w')as cf:
config.write(cf)
def load_config(config_path):
config = configparser.ConfigParser()
config['DEFAULT'] = {'hostname_col': 'A', 'group_by_col': 'B'}
if len(config.read(config_path)) > 0:
return config['xlsx_inventory']
else:
print('\033[91mConfiguration File "%s" not Found!\033[0m' % config_path)
exit(1)
def parse_args():
arg_parser = argparse.ArgumentParser(description='Excel Spreadsheet Inventory Module')
group = arg_parser.add_mutually_exclusive_group(required=True)
group.add_argument('--list', action='store_true', help='List active servers')
group.add_argument('--host', help='List details about the specified host', default=None)
group.add_argument('--config', action='store_true', help='Create Config File')
arg_parser.add_argument('--file', default=None, help='Excel Spreadsheet file used by xlsx_inventory.py')
arg_parser.add_argument('--group-by-col', default=None, help='Column to group hosts by (i.E. `B`)')
arg_parser.add_argument('--hostname-col', default=None, help='Column containing the hostnames')
arg_parser.add_argument('--sheet', default=None, help='Name of the Sheet, used by xlsx_inventory.py')
return arg_parser.parse_args()
def sheet_to_inventory(group_by_col, hostname_col, sheet):
if isinstance(group_by_col, six.string_types):
group_by_col = column_index_from_string(coordinate_from_string(group_by_col + '1')[0]) - 1
if isinstance(hostname_col, six.string_types):
hostname_col = column_index_from_string(coordinate_from_string(hostname_col + '1')[0]) - 1
groups = {
'_meta': {
'hostvars': {}
}
}
rows = list(sheet.rows)
for row in rows[1:]:
host = row[hostname_col].value
if host is None:
continue
group = row[group_by_col].value
if group is None:
group = default_group
if group not in groups.keys():
groups[group] = {
'hosts': [],
'vars': {}
}
groups[group]['hosts'].append(row[hostname_col].value)
groups['_meta']['hostvars'][row[hostname_col].value] = {}
for xlsx_head in rows[:1]:
for idx, var_name in enumerate(xlsx_head):
if var_name.value is None:
var_name.value = "xlsx_" + var_name.coordinate
if row[idx].value is not None:
groups['_meta']['hostvars'][row[0].value][var_name.value.lower().replace(' ', '_')] = row[idx].value
return groups
if __name__ == "__main__":
main()