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Merge pull request claffin#38 from dusancz/feature/google-cloud-provider
Add Google Cloud provider
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| import json | ||
| import uuid | ||
|
|
||
| from loguru import logger | ||
|
|
||
| import googleapiclient.discovery | ||
| from google.oauth2 import service_account | ||
|
|
||
| from cloudproxy.providers.config import set_auth | ||
| from cloudproxy.providers.settings import config | ||
|
|
||
| gcp = config["providers"]["gcp"] | ||
| try: | ||
| credentials = service_account.Credentials.from_service_account_info( | ||
| json.loads(gcp["secrets"]["service_account_key"]) | ||
| ) | ||
| compute = googleapiclient.discovery.build('compute', 'v1', credentials=credentials) | ||
| except TypeError: | ||
| logger.error("GCP -> Invalid service account key") | ||
|
|
||
|
|
||
| def create_proxy(): | ||
| image_response = compute.images().getFromFamily( | ||
| project=gcp["image_project"], | ||
| family=gcp["image_family"] | ||
| ).execute() | ||
| source_disk_image = image_response['selfLink'] | ||
|
|
||
| body = { | ||
| 'name': 'cloudproxy-' + str(uuid.uuid4()), | ||
| 'machineType': | ||
| f"zones/{gcp['zone']}/machineTypes/{gcp['size']}", | ||
| 'tags': { | ||
| 'items': [ | ||
| 'cloudproxy' | ||
| ] | ||
| }, | ||
| "labels": { | ||
| 'cloudproxy': 'cloudproxy' | ||
| }, | ||
| 'disks': [ | ||
| { | ||
| 'boot': True, | ||
| 'autoDelete': True, | ||
| 'initializeParams': { | ||
| 'sourceImage': source_disk_image, | ||
| } | ||
| } | ||
| ], | ||
| 'networkInterfaces': [{ | ||
| 'network': 'global/networks/default', | ||
| 'accessConfigs': [ | ||
| { | ||
| 'name': 'External NAT', | ||
| 'type': 'ONE_TO_ONE_NAT', | ||
| 'networkTier': 'STANDARD' | ||
| } | ||
| ] | ||
| }], | ||
| 'metadata': { | ||
| 'items': [{ | ||
| 'key': 'startup-script', | ||
| 'value': set_auth(config["auth"]["username"], config["auth"]["password"]) | ||
| }] | ||
| } | ||
| } | ||
|
|
||
| return compute.instances().insert( | ||
| project=gcp["project"], | ||
| zone=gcp["zone"], | ||
| body=body | ||
| ).execute() | ||
|
|
||
| def delete_proxy(name): | ||
| try: | ||
| return compute.instances().delete( | ||
| project=gcp["project"], | ||
| zone=gcp["zone"], | ||
| instance=name | ||
| ).execute() | ||
| except(googleapiclient.errors.HttpError): | ||
| logger.info(f"GCP --> HTTP Error when trying to delete proxy {name}. Probably has already been deleted.") | ||
| return None | ||
|
|
||
| def stop_proxy(name): | ||
| try: | ||
| return compute.instances().stop( | ||
| project=gcp["project"], | ||
| zone=gcp["zone"], | ||
| instance=name | ||
| ).execute() | ||
| except(googleapiclient.errors.HttpError): | ||
| logger.info(f"GCP --> HTTP Error when trying to stop proxy {name}. Probably has already been deleted.") | ||
| return None | ||
|
|
||
| def start_proxy(name): | ||
| try: | ||
| return compute.instances().start( | ||
| project=gcp["project"], | ||
| zone=gcp["zone"], | ||
| instance=name | ||
| ).execute() | ||
| except(googleapiclient.errors.HttpError): | ||
| logger.info(f"GCP --> HTTP Error when trying to start proxy {name}. Probably has already been deleted.") | ||
| return None | ||
|
|
||
| def list_instances(): | ||
| result = compute.instances().list( | ||
| project=gcp["project"], | ||
| zone=gcp["zone"], | ||
| filter='labels.cloudproxy eq cloudproxy' | ||
| ).execute() | ||
| return result['items'] if 'items' in result else [] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| import datetime | ||
| import itertools | ||
|
|
||
| from loguru import logger | ||
|
|
||
| from cloudproxy.check import check_alive | ||
| from cloudproxy.providers.gcp.functions import ( | ||
| list_instances, | ||
| create_proxy, | ||
| delete_proxy, | ||
| stop_proxy, | ||
| start_proxy, | ||
| ) | ||
| from cloudproxy.providers.settings import delete_queue, restart_queue, config | ||
|
|
||
| def gcp_deployment(min_scaling): | ||
| total_instances = len(list_instances()) | ||
| if min_scaling < total_instances: | ||
| logger.info("Overprovisioned: GCP destroying.....") | ||
| for instance in itertools.islice( | ||
| list_instances(), 0, (total_instances - min_scaling) | ||
| ): | ||
| access_configs = instance['networkInterfaces'][0]['accessConfigs'][0] | ||
| msg = f"{instance['name']} {access_configs['natIP']}" | ||
| delete_proxy(instance['name']) | ||
| logger.info("Destroyed: GCP -> " + msg) | ||
| if min_scaling - total_instances < 1: | ||
| logger.info("Minimum GCP instances met") | ||
| else: | ||
| total_deploy = min_scaling - total_instances | ||
| logger.info("Deploying: " + str(total_deploy) + " GCP instances") | ||
| for _ in range(total_deploy): | ||
| create_proxy() | ||
| logger.info("Deployed") | ||
| return len(list_instances()) | ||
|
|
||
| def gcp_check_alive(): | ||
| ip_ready = [] | ||
| for instance in list_instances(): | ||
| try: | ||
| elapsed = datetime.datetime.now( | ||
| datetime.timezone.utc | ||
| ) - datetime.datetime.strptime(instance["creationTimestamp"], '%Y-%m-%dT%H:%M:%S.%f%z') | ||
|
|
||
| if config["age_limit"] > 0 and elapsed > datetime.timedelta(seconds=config["age_limit"]): | ||
| access_configs = instance['networkInterfaces'][0]['accessConfigs'][0] | ||
| msg = f"{instance['name']} {access_configs['natIP'] if 'natIP' in access_configs else ''}" | ||
| delete_proxy(instance['name']) | ||
| logger.info("Recycling instance, reached age limit -> " + msg) | ||
|
|
||
| elif instance['status'] == "TERMINATED": | ||
| logger.info("Waking up: GCP -> Instance " + instance['name']) | ||
| started = start_proxy(instance['name']) | ||
| if not started: | ||
| logger.info("Could not wake up, trying again later.") | ||
|
|
||
| elif instance['status'] == "STOPPING": | ||
| access_configs = instance['networkInterfaces'][0]['accessConfigs'][0] | ||
| msg = f"{instance['name']} {access_configs['natIP'] if 'natIP' in access_configs else ''}" | ||
| logger.info("Stopping: GCP -> " + msg) | ||
|
|
||
| elif instance['status'] == "PROVISIONING" or instance['status'] == "STAGING": | ||
| access_configs = instance['networkInterfaces'][0]['accessConfigs'][0] | ||
| msg = f"{instance['name']} {access_configs['natIP'] if 'natIP' in access_configs else ''}" | ||
| logger.info("Provisioning: GCP -> " + msg) | ||
|
|
||
| # If none of the above, check if alive or not. | ||
| elif check_alive(instance['networkInterfaces'][0]['accessConfigs'][0]['natIP']): | ||
| access_configs = instance['networkInterfaces'][0]['accessConfigs'][0] | ||
| msg = f"{instance['name']} {access_configs['natIP']}" | ||
| logger.info("Alive: GCP -> " + msg) | ||
| ip_ready.append(access_configs['natIP']) | ||
|
|
||
| else: | ||
| access_configs = instance['networkInterfaces'][0]['accessConfigs'][0] | ||
| msg = f"{instance['name']} {access_configs['natIP']}" | ||
| if elapsed > datetime.timedelta(minutes=10): | ||
| delete_proxy(instance['name']) | ||
| logger.info("Destroyed: took too long GCP -> " + msg) | ||
| else: | ||
| logger.info("Waiting: GCP -> " + msg) | ||
| except (TypeError, KeyError): | ||
| logger.info("Pending: GCP -> Allocating IP") | ||
| return ip_ready | ||
|
|
||
| def gcp_check_delete(): | ||
| for instance in list_instances(): | ||
| access_configs = instance['networkInterfaces'][0]['accessConfigs'][0] | ||
| if 'natIP' in access_configs and access_configs['natIP'] in delete_queue: | ||
| msg = f"{instance['name']}, {access_configs['natIP']}" | ||
| delete_proxy(instance['name']) | ||
| logger.info("Destroyed: not wanted -> " + msg) | ||
| delete_queue.remove(access_configs['natIP']) | ||
|
|
||
| def gcp_check_stop(): | ||
| for instance in list_instances(): | ||
| access_configs = instance['networkInterfaces'][0]['accessConfigs'][0] | ||
| if 'natIP' in access_configs and access_configs['natIP'] in restart_queue: | ||
| msg = f"{instance['name']}, {access_configs['natIP']}" | ||
| stop_proxy(instance['name']) | ||
| logger.info("Stopped: getting new IP -> " + msg) | ||
| restart_queue.remove(access_configs['natIP']) | ||
|
|
||
| def gcp_start(): | ||
| gcp_check_delete() | ||
| gcp_check_stop() | ||
| gcp_deployment(config["providers"]["gcp"]["scaling"]["min_scaling"]) | ||
| ip_ready = gcp_check_alive() | ||
| return ip_ready |
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