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@n00rm
Forked from tboerger/hcloud.sh
Created October 28, 2021 20:18
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Dynamic inventory for Ansible on Hetzner Cloud
#!/usr/bin/env python3
import json
import requests
import os
def main():
api_key = os.environ.get('HCLOUD_TOKEN', '')
if not api_key.strip():
print('Missing HCLOUD_TOKEN environment variable!')
exit(1)
hosts = []
hostvars = {}
root = {
'servers': {
'hosts': hosts
},
'_meta': {
'hostvars': hostvars
}
}
url = 'https://api.hetzner.cloud/v1/servers?label_selector=provisioner==ansible'
headers = {'Authorization': 'Bearer ' + api_key}
r = requests.get(url, headers=headers)
for server in r.json()['servers']:
server_name = server['name']
hosts.append(server_name)
hostvars[server_name] = fill_host_vars(server)
add_to_type(root, server)
add_to_location(root, server)
add_to_labels(root, server)
print(json.dumps(root))
def fill_host_vars(server):
return {
'ansible_host': server['public_net']['ipv4']['ip'],
'hcloud_name': server['name'],
'hcloud_type': server['server_type']['name'],
'hcloud_image': server['image']['name'],
'hcloud_datacenter': server['datacenter']['name'],
'hcloud_location': server['datacenter']['location']['name'],
'hcloud_ipv4': server['public_net']['ipv4']['ip'],
'hcloud_ipv6': server['public_net']['ipv6']['ip'],
'hcloud_status': server['status'],
'ansible_become': 'true',
'ansible_python_interpreter': '/usr/bin/python3',
'ansible_ssh_common_args': '-o StrictHostKeyChecking=no'
}
def add_to_type(root, server):
t = server['server_type']['name']
if not t in root:
root[t] = { 'hosts': [] }
root[t]['hosts'].append(server['name'])
def add_to_location(root, server):
l = server['datacenter']['location']['name']
if not l in root:
root[l] = { 'hosts': [] }
root[l]['hosts'].append(server['name'])
def add_to_labels(root, server):
for label, value in server['labels'].items():
if not label.startswith("ansible_group"):
continue
if not value in root:
root[value] = { 'hosts': [] }
root[value]['hosts'].append(server['name'])
if __name__ == '__main__':
main()
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