Add python script to custom_scripts in project root so AWX can find it..
This commit is contained in:
250
custom_scripts/linode_inventory.py
Executable file → Normal file
250
custom_scripts/linode_inventory.py
Executable file → Normal file
@@ -1,82 +1,208 @@
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#!/usr/bin/env python3
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import os
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import sys
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import json
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import requests
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import sys
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import os
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import urllib.request
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import urllib.error
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from argparse import ArgumentParser
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API_URL = "https://api.linode.com/v4/linode/instances"
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TOKEN = os.getenv("LINODE_TOKEN")
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class LinodeInventory:
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def __init__(self):
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self.api_token = os.environ.get('LINODE_API_TOKEN')
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if not self.api_token:
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raise ValueError("LINODE_API_TOKEN environment variable is required")
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if not TOKEN:
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print("ERROR: LINODE_TOKEN environment variable not set", file=sys.stderr)
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sys.exit(1)
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self.base_url = "https://api.linode.com/v4"
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headers = {
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"Authorization": f"Bearer {TOKEN}",
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"Content-Type": "application/json"
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}
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def make_request(self, endpoint):
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"""Make HTTP request to Linode API using urllib"""
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url = f"{self.base_url}{endpoint}"
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req = urllib.request.Request(url)
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req.add_header('Authorization', f'Bearer {self.api_token}')
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req.add_header('Content-Type', 'application/json')
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def get_linode_instances():
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instances = []
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page = 1
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while True:
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r = requests.get(API_URL, headers=headers, params={"page": page})
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if r.status_code != 200:
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print(f"ERROR: Failed to fetch Linodes (status code {r.status_code})", file=sys.stderr)
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sys.exit(1)
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data = r.json()
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instances.extend(data["data"])
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if not data["pages"] or page >= data["pages"]:
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break
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page += 1
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return instances
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try:
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with urllib.request.urlopen(req, timeout=30) as response:
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data = response.read().decode('utf-8')
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return json.loads(data)
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except urllib.error.HTTPError as e:
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error_msg = e.read().decode('utf-8') if e.fp else str(e)
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raise Exception(f"HTTP Error {e.code}: {error_msg}")
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except urllib.error.URLError as e:
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raise Exception(f"URL Error: {e}")
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except Exception as e:
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raise Exception(f"Request failed: {e}")
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def build_inventory():
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instances = get_linode_instances()
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def get_instances(self):
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"""Fetch all Linode instances"""
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try:
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# Get first page to check pagination
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response = self.make_request("/linode/instances?page=1")
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instances = response['data']
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inventory = {
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"_meta": {
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"hostvars": {}
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}
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}
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# Handle pagination if there are more pages
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if response.get('pages', 1) > 1:
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for page in range(2, response['pages'] + 1):
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page_response = self.make_request(f"/linode/instances?page={page}")
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instances.extend(page_response['data'])
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for linode in instances:
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label = linode["label"]
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ipv4 = linode["ipv4"][0] if linode["ipv4"] else None
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region = linode["region"]
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tags = linode.get("tags", [])
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return instances
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except Exception as e:
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print(f"Error fetching instances: {e}", file=sys.stderr)
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return []
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if not ipv4:
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continue
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inventory["_meta"]["hostvars"][label] = {
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"ansible_host": ipv4,
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"linode_id": linode["id"],
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"region": region,
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"tags": tags,
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"type": linode["type"]
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def generate_inventory(self):
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"""Generate Ansible inventory from Linode instances"""
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inventory = {
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'_meta': {
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'hostvars': {}
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},
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'all': {
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'children': ['ungrouped']
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},
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'ungrouped': {
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'hosts': []
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}
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}
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# Group by region
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region_group = f"region_{region}"
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inventory.setdefault(region_group, {"hosts": []})["hosts"].append(label)
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# Group definitions
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regions = {}
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types = {}
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statuses = {}
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# Group by tag
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for tag in tags:
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tag_group = f"tag_{tag}"
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inventory.setdefault(tag_group, {"hosts": []})["hosts"].append(label)
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try:
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instances = self.get_instances()
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return inventory
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if not instances:
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print("No instances found or API request failed", file=sys.stderr)
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return inventory
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for instance in instances:
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# Use Linode label as hostname
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hostname = instance['label']
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# Get primary IPv4 address
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ipv4_addresses = instance.get('ipv4', [])
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primary_ip = ipv4_addresses[0] if ipv4_addresses else None
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if not primary_ip:
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print(f"Warning: No IPv4 address found for {hostname}", file=sys.stderr)
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continue
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# Add to ungrouped hosts
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inventory['ungrouped']['hosts'].append(hostname)
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# Host variables
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linode_tags = instance.get('tags', [])
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inventory['_meta']['hostvars'][hostname] = {
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'ansible_host': primary_ip,
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'ansible_user': 'phlux', # Set default SSH user
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'linode_id': instance['id'],
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'linode_label': instance['label'],
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'linode_region': instance['region'],
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'linode_type': instance['type'],
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'linode_status': instance['status'],
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'linode_ipv4': instance.get('ipv4', []),
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'linode_ipv6': instance.get('ipv6'),
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'linode_tags': linode_tags,
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'linode_specs': instance.get('specs', {}),
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'linode_hypervisor': instance.get('hypervisor'),
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'linode_created': instance.get('created'),
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'linode_updated': instance.get('updated'),
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'linode_group': instance.get('group', ''),
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'linode_image': instance.get('image', {}).get('id', '') if isinstance(instance.get('image'), dict) else '',
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'linode_backups': instance.get('backups', {}).get('enabled', False) if isinstance(instance.get('backups'), dict) else False,
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# Add individual tag variables for easy access
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'is_debian': 'Debian' in linode_tags,
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'is_ubuntu': 'Ubuntu' in linode_tags,
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'is_k3s': 'k3s' in linode_tags,
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'is_control_plane': 'control-plane' in linode_tags,
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'is_worker_node': 'worker-node' in linode_tags,
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# Tag string for easy filtering
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'tag_string': ','.join(linode_tags).lower(),
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}
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# Group by region
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region_group = f"region_{instance['region'].replace('-', '_')}"
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if region_group not in regions:
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regions[region_group] = {'hosts': []}
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regions[region_group]['hosts'].append(hostname)
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# Group by instance type
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type_group = f"type_{instance['type'].replace('-', '_').replace('.', '_')}"
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if type_group not in types:
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types[type_group] = {'hosts': []}
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types[type_group]['hosts'].append(hostname)
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# Group by status
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status_group = f"status_{instance['status']}"
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if status_group not in statuses:
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statuses[status_group] = {'hosts': []}
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statuses[status_group]['hosts'].append(hostname)
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# Group by tags
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for tag in instance.get('tags', []):
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tag_group = f"tag_{tag.replace('-', '_').replace(' ', '_').replace('.', '_')}"
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if tag_group not in inventory:
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inventory[tag_group] = {'hosts': []}
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inventory[tag_group]['hosts'].append(hostname)
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# Group by Linode group (if set)
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if instance.get('group'):
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group_name = f"group_{instance['group'].replace('-', '_').replace(' ', '_')}"
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if group_name not in inventory:
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inventory[group_name] = {'hosts': []}
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inventory[group_name]['hosts'].append(hostname)
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except Exception as e:
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print(f"Error generating inventory: {e}", file=sys.stderr)
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return inventory
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# Add all groups to inventory
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inventory.update(regions)
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inventory.update(types)
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inventory.update(statuses)
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# Add group children to 'all'
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all_groups = list(regions.keys()) + list(types.keys()) + list(statuses.keys())
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tag_groups = [k for k in inventory.keys() if k.startswith('tag_')]
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group_groups = [k for k in inventory.keys() if k.startswith('group_')]
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all_groups.extend(tag_groups)
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all_groups.extend(group_groups)
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if all_groups:
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inventory['all']['children'].extend(all_groups)
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return inventory
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def get_host_vars(self, hostname):
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"""Get variables for a specific host"""
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inventory = self.generate_inventory()
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return inventory['_meta']['hostvars'].get(hostname, {})
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def main():
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if len(sys.argv) == 2 and sys.argv[1] == "--list":
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print(json.dumps(build_inventory(), indent=2))
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elif len(sys.argv) == 2 and sys.argv[1] == "--host":
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print(json.dumps({})) # Not used
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else:
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print("Usage: linode_inventory.py --list", file=sys.stderr)
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parser = ArgumentParser(description='Linode Dynamic Inventory')
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parser.add_argument('--list', action='store_true', help='List all hosts')
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parser.add_argument('--host', help='Get variables for specific host')
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args = parser.parse_args()
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try:
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inventory = LinodeInventory()
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if args.list:
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result = inventory.generate_inventory()
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print(json.dumps(result, indent=2))
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elif args.host:
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result = inventory.get_host_vars(args.host)
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print(json.dumps(result, indent=2))
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else:
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parser.print_help()
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except Exception as e:
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print(f"Error: {e}", file=sys.stderr)
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sys.exit(1)
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if __name__ == "__main__":
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if __name__ == '__main__':
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main()
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