341 lines
10 KiB
Python
341 lines
10 KiB
Python
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"""Access Ansible Core CI remote services."""
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from __future__ import absolute_import, print_function
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import json
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import os
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import traceback
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import uuid
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import errno
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import time
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from lib.http import (
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HttpClient,
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HttpResponse,
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HttpError,
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)
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from lib.util import (
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ApplicationError,
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run_command,
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make_dirs,
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CommonConfig,
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display,
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is_shippable,
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)
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class AnsibleCoreCI(object):
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"""Client for Ansible Core CI services."""
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def __init__(self, args, platform, version, stage='prod', persist=True, name=None):
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"""
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:type args: CommonConfig
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:type platform: str
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:type version: str
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:type stage: str
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:type persist: bool
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:type name: str
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"""
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self.args = args
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self.platform = platform
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self.version = version
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self.stage = stage
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self.client = HttpClient(args)
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self.connection = None
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self.instance_id = None
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self.name = name if name else '%s-%s' % (self.platform, self.version)
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if self.platform == 'windows':
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self.ssh_key = None
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self.endpoint = 'https://14blg63h2i.execute-api.us-east-1.amazonaws.com'
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self.port = 5986
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elif self.platform == 'freebsd':
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self.ssh_key = SshKey(args)
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self.endpoint = 'https://14blg63h2i.execute-api.us-east-1.amazonaws.com'
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self.port = 22
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elif self.platform == 'osx':
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self.ssh_key = SshKey(args)
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self.endpoint = 'https://osx.testing.ansible.com'
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self.port = None
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else:
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raise ApplicationError('Unsupported platform: %s' % platform)
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self.path = os.path.expanduser('~/.ansible/test/instances/%s-%s' % (self.name, self.stage))
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if persist and self._load():
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try:
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display.info('Checking existing %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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self.connection = self.get()
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display.info('Loaded existing %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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except HttpError as ex:
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if ex.status != 404:
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raise
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self._clear()
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display.info('Cleared stale %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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self.instance_id = None
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else:
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self.instance_id = None
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self._clear()
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if self.instance_id:
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self.started = True
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else:
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self.started = False
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self.instance_id = str(uuid.uuid4())
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display.info('Initializing new %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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def start(self):
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"""Start instance."""
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if is_shippable():
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self.start_shippable()
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else:
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self.start_remote()
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def start_remote(self):
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"""Start instance for remote development/testing."""
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with open(os.path.expanduser('~/.ansible-core-ci.key'), 'r') as key_fd:
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auth_key = key_fd.read().strip()
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self._start(dict(
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remote=dict(
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key=auth_key,
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nonce=None,
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),
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))
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def start_shippable(self):
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"""Start instance on Shippable."""
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self._start(dict(
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shippable=dict(
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run_id=os.environ['SHIPPABLE_BUILD_ID'],
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job_number=int(os.environ['SHIPPABLE_JOB_NUMBER']),
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),
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))
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def stop(self):
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"""Stop instance."""
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if not self.started:
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display.info('Skipping invalid %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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return
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response = self.client.delete(self._uri)
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if response.status_code == 404:
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self._clear()
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display.info('Cleared invalid %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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return
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if response.status_code == 200:
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self._clear()
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display.info('Stopped running %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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return
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raise self._create_http_error(response)
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def get(self):
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"""
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Get instance connection information.
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:rtype: InstanceConnection
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"""
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if not self.started:
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display.info('Skipping invalid %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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return None
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if self.connection and self.connection.running:
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return self.connection
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response = self.client.get(self._uri)
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if response.status_code != 200:
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raise self._create_http_error(response)
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if self.args.explain:
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self.connection = InstanceConnection(
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running=True,
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hostname='cloud.example.com',
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port=self.port or 12345,
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username='username',
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password='password' if self.platform == 'windows' else None,
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)
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else:
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response_json = response.json()
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status = response_json['status']
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con = response_json['connection']
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self.connection = InstanceConnection(
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running=status == 'running',
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hostname=con['hostname'],
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port=int(con.get('port', self.port)),
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username=con['username'],
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password=con.get('password'),
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)
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status = 'running' if self.connection.running else 'starting'
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display.info('Retrieved %s %s/%s instance %s.' % (status, self.platform, self.version, self.instance_id),
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verbosity=1)
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return self.connection
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def wait(self):
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"""Wait for the instance to become ready."""
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for _ in range(1, 90):
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if self.get().running:
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return
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time.sleep(10)
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raise ApplicationError('Timeout waiting for %s/%s instance %s.' %
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(self.platform, self.version, self.instance_id))
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@property
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def _uri(self):
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return '%s/%s/jobs/%s' % (self.endpoint, self.stage, self.instance_id)
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def _start(self, auth):
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"""Start instance."""
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if self.started:
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display.info('Skipping started %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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return
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data = dict(
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config=dict(
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platform=self.platform,
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version=self.version,
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public_key=self.ssh_key.pub_contents if self.ssh_key else None,
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query=False,
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)
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)
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data.update(dict(auth=auth))
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headers = {
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'Content-Type': 'application/json',
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}
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response = self.client.put(self._uri, data=json.dumps(data), headers=headers)
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if response.status_code != 200:
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raise self._create_http_error(response)
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self.started = True
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self._save()
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display.info('Started %s/%s instance %s.' % (self.platform, self.version, self.instance_id),
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verbosity=1)
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def _clear(self):
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"""Clear instance information."""
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try:
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self.connection = None
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os.remove(self.path)
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except OSError as ex:
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if ex.errno != errno.ENOENT:
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raise
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def _load(self):
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"""Load instance information."""
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try:
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with open(self.path, 'r') as instance_fd:
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self.instance_id = instance_fd.read()
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self.started = True
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except IOError as ex:
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if ex.errno != errno.ENOENT:
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raise
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self.instance_id = None
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return self.instance_id
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def _save(self):
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"""Save instance information."""
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if self.args.explain:
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return
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make_dirs(os.path.dirname(self.path))
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with open(self.path, 'w') as instance_fd:
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instance_fd.write(self.instance_id)
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@staticmethod
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def _create_http_error(response):
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"""
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:type response: HttpResponse
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:rtype: ApplicationError
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"""
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response_json = response.json()
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stack_trace = ''
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if 'message' in response_json:
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message = response_json['message']
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elif 'errorMessage' in response_json:
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message = response_json['errorMessage'].strip()
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if 'stackTrace' in response_json:
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trace = '\n'.join([x.rstrip() for x in traceback.format_list(response_json['stackTrace'])])
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stack_trace = ('\nTraceback (from remote server):\n%s' % trace)
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else:
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message = str(response_json)
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return HttpError(response.status_code, '%s%s' % (message, stack_trace))
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class SshKey(object):
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"""Container for SSH key used to connect to remote instances."""
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def __init__(self, args):
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"""
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:type args: CommonConfig
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"""
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tmp = os.path.expanduser('~/.ansible/test/')
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self.key = os.path.join(tmp, 'id_rsa')
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self.pub = os.path.join(tmp, 'id_rsa.pub')
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if not os.path.isfile(self.pub):
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if not args.explain:
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make_dirs(tmp)
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run_command(args, ['ssh-keygen', '-q', '-t', 'rsa', '-N', '', '-f', self.key])
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if args.explain:
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self.pub_contents = None
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else:
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with open(self.pub, 'r') as pub_fd:
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self.pub_contents = pub_fd.read().strip()
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class InstanceConnection(object):
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"""Container for remote instance status and connection details."""
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def __init__(self, running, hostname, port, username, password):
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"""
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:type running: bool
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:type hostname: str
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:type port: int
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:type username: str
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:type password: str | None
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"""
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self.running = running
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self.hostname = hostname
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self.port = port
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self.username = username
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self.password = password
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def __str__(self):
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if self.password:
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return '%s:%s [%s:%s]' % (self.hostname, self.port, self.username, self.password)
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return '%s:%s [%s]' % (self.hostname, self.port, self.username)
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