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91 lines
2.8 KiB
Python
Executable file
91 lines
2.8 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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'''
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Generate an inventory of servers from scaleway which is
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suitable for use as an ansible dynamic inventory
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Right now, only the group 'cci-customer' is exported
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'''
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import argparse
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import os
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import json
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import configparser
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from scaleway.apis import ComputeAPI
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class SCWInventory(object):
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'''
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The inventory class which calls out to scaleway and digests
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the returned data, making it usable by ansible as an inventory
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'''
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def __init__(self):
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self.inventory = None
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self.auth_token = None
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self.environment = None
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self.response = {
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'_meta': {
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'hostvars': {
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}
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}
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}
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def parse_config(self, creds_file='scw.ini'):
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'''
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Parse the ini file to get the auth token
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'''
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config = configparser.ConfigParser()
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config.read(creds_file)
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with open(os.path.expanduser(config['credentials']['token_file']), 'r') as content_file:
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self.auth_token = content_file.read().replace('\n', '')
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self.environment = config['config']['environment']
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def get_servers(self):
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'''
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query scaleway api and pull down a list of servers
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'''
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self.parse_config()
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api_par1 = ComputeAPI(auth_token=self.auth_token, region='par1')
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api_ams1 = ComputeAPI(auth_token=self.auth_token, region='ams1')
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result_par1 = api_par1.query().servers.get()
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result_ams1 = api_ams1.query().servers.get()
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self.inventory = [
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[i['name'], i['public_ip'], i['tags'], i['private_ip']] for i in result_par1['servers'] + result_ams1['servers']
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]
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for host, ip_info, tags, private_ip in self.inventory:
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self.response['_meta']['hostvars'][host] = {
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'ansible_host': ip_info['address'] if ip_info else private_ip,
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'public_ip': ip_info['address'] if ip_info else None,
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'private_ip': private_ip
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}
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if tags:
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for tag in tags:
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self._add_to_response(
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tag,
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host
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)
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def _add_to_response(self, group, hostname):
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'''
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add a host to a group within the response
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'''
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if group not in self.response:
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self.response[group] = list()
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if group in self.response:
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self.response[group].append(hostname)
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def print_inventory(self):
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'''
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simply display the collected inventory
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'''
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print(json.dumps(self.response))
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def main():
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'''
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run the program starting here
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'''
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inventory = SCWInventory()
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inventory.get_servers()
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inventory.print_inventory()
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if __name__ == '__main__':
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main()
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