# (C) 2013, James Cammarata <[email protected]>
# Copyright: (c) 2019, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import hashlib
import json
import os
import tarfile
import uuid
import time
from ansible import context, constants as C
from ansible.errors import AnsibleError
from ansible.galaxy.user_agent import user_agent
from ansible.module_utils.six import string_types
from ansible.module_utils.six.moves.urllib.error import HTTPError
from ansible.module_utils.six.moves.urllib.parse import quote as urlquote, urlencode, urlparse
from ansible.module_utils._text import to_bytes, to_native, to_text
from ansible.module_utils.urls import open_url
from ansible.utils.display import Display
from ansible.utils.hashing import secure_hash_s
try:
from urllib.parse import urlparse
except ImportError:
# Python 2
from urlparse import urlparse
display = Display()
def g_connect(versions):
"""
Wrapper to lazily initialize connection info to Galaxy and verify the API versions required are available on the
endpoint.
:param versions: A list of API versions that the function supports.
"""
def decorator(method):
def wrapped(self, *args, **kwargs):
if not self._available_api_versions:
display.vvvv("Initial connection to galaxy_server: %s" % self.api_server)
# Determine the type of Galaxy server we are talking to. First try it unauthenticated then with Bearer
# auth for Automation Hub.
n_url = self.api_server
error_context_msg = 'Error when finding available api versions from %s (%s)' % (self.name, n_url)
if self.api_server == 'https://galaxy.ansible.com' or self.api_server == 'https://galaxy.ansible.com/':
n_url = 'https://galaxy.ansible.com/api/'
try:
data = self._call_galaxy(n_url, method='GET', error_context_msg=error_context_msg)
except (AnsibleError, GalaxyError, ValueError, KeyError) as err:
# Either the URL doesnt exist, or other error. Or the URL exists, but isn't a galaxy API
# root (not JSON, no 'available_versions') so try appending '/api/'
if n_url.endswith('/api') or n_url.endswith('/api/'):
raise
# Let exceptions here bubble up but raise the original if this returns a 404 (/api/ wasn't found).
n_url = _urljoin(n_url, '/api/')
try:
data = self._call_galaxy(n_url, method='GET', error_context_msg=error_context_msg)
except GalaxyError as new_err:
if new_err.http_code == 404:
raise err
raise
if 'available_versions' not in data:
raise AnsibleError("Tried to find galaxy API root at %s but no 'available_versions' are available "
"on %s" % (n_url, self.api_server))
# Update api_server to point to the "real" API root, which in this case could have been the configured
# url + '/api/' appended.
self.api_server = n_url
# Default to only supporting v1, if only v1 is returned we also assume that v2 is available even though
# it isn't returned in the available_versions dict.
available_versions = data.get('available_versions', {u'v1': u'v1/'})
if list(available_versions.keys()) == [u'v1']:
available_versions[u'v2'] = u'v2/'
self._available_api_versions = available_versions
display.vvvv("Found API version '%s' with Galaxy server %s (%s)"
% (', '.join(available_versions.keys()), self.name, self.api_server))
# Verify that the API versions the function works with are available on the server specified.
available_versions = set(self._available_api_versions.keys())
common_versions = set(versions).intersection(available_versions)
if not common_versions:
raise AnsibleError("Galaxy action %s requires API versions '%s' but only '%s' are available on %s %s"
% (method.__name__, ", ".join(versions), ", ".join(available_versions),
self.name, self.api_server))
return method(self, *args, **kwargs)
return wrapped
return decorator
def _urljoin(*args):
return '/'.join(to_native(a, errors='surrogate_or_strict').strip('/') for a in args + ('',) if a)
class GalaxyError(AnsibleError):
""" Error for bad Galaxy server responses. """
def __init__(self, http_error, message):
super(GalaxyError, self).__init__(message)
self.http_code = http_error.code
self.url = http_error.geturl()
try:
http_msg = to_text(http_error.read())
err_info = json.loads(http_msg)
except (AttributeError, ValueError):
err_info = {}
url_split = self.url.split('/')
if 'v2' in url_split:
galaxy_msg = err_info.get('message', http_error.reason)
code = err_info.get('code', 'Unknown')
full_error_msg = u"%s (HTTP Code: %d, Message: %s Code: %s)" % (message, self.http_code, galaxy_msg, code)
elif 'v3' in url_split:
errors = err_info.get('errors', [])
if not errors:
errors = [{}] # Defaults are set below, we just need to make sure 1 error is present.
message_lines = []
for error in errors:
error_msg = error.get('detail') or error.get('title') or http_error.reason
error_code = error.get('code') or 'Unknown'
message_line = u"(HTTP Code: %d, Message: %s Code: %s)" % (self.http_code, error_msg, error_code)
message_lines.append(message_line)
full_error_msg = "%s %s" % (message, ', '.join(message_lines))
else:
# v1 and unknown API endpoints
galaxy_msg = err_info.get('default', http_error.reason)
full_error_msg = u"%s (HTTP Code: %d, Message: %s)" % (message, self.http_code, galaxy_msg)
self.message = to_native(full_error_msg)
class CollectionVersionMetadata:
def __init__(self, namespace, name, version, download_url, artifact_sha256, dependencies):
"""
Contains common information about a collection on a Galaxy server to smooth through API differences for
Collection and define a standard meta info for a collection.
:param namespace: The namespace name.
:param name: The collection name.
:param version: The version that the metadata refers to.
:param download_url: The URL to download the collection.
:param artifact_sha256: The SHA256 of the collection artifact for later verification.
:param dependencies: A dict of dependencies of the collection.
"""
self.namespace = namespace
self.name = name
self.version = version
self.download_url = download_url
self.artifact_sha256 = artifact_sha256
self.dependencies = dependencies
class GalaxyAPI:
""" This class is meant to be used as a API client for an Ansible Galaxy server """
def __init__(self, galaxy, name, url, username=None, password=None, token=None):
self.galaxy = galaxy
self.name = name
self.username = username
self.password = password
self.token = token
self.api_server = url
self.validate_certs = not context.CLIARGS['ignore_certs']
self._available_api_versions = {}
display.debug('Validate TLS certificates for %s: %s' % (self.api_server, self.validate_certs))
@property
@g_connect(['v1', 'v2', 'v3'])
def available_api_versions(self):
# Calling g_connect will populate self._available_api_versions
return self._available_api_versions
def _call_galaxy(self, url, args=None, headers=None, method=None, auth_required=False, error_context_msg=None):
headers = headers or {}
self._add_auth_token(headers, url, required=auth_required)
try:
display.vvvv("Calling Galaxy at %s" % url)
resp = open_url(to_native(url), data=args, validate_certs=self.validate_certs, headers=headers,
method=method, timeout=20, http_agent=user_agent(), follow_redirects='safe')
except HTTPError as e:
raise GalaxyError(e, error_context_msg)
except Exception as e:
raise AnsibleError("Unknown error when attempting to call Galaxy at '%s': %s" % (url, to_native(e)))
resp_data = to_text(resp.read(), errors='surrogate_or_strict')
try:
data = json.loads(resp_data)
except ValueError:
raise AnsibleError("Failed to parse Galaxy response from '%s' as JSON:\n%s"
% (resp.url, to_native(resp_data)))
return data
def _add_auth_token(self, headers, url, token_type=None, required=False):
# Don't add the auth token if one is already present
if 'Authorization' in headers:
return
if not self.token and required:
raise AnsibleError("No access token or username set. A token can be set with --api-key "
"or at {0}.".format(to_native(C.GALAXY_TOKEN_PATH)))
if self.token:
headers.update(self.token.headers())
@g_connect(['v1'])
def authenticate(self, github_token):
"""
Retrieve an authentication token
"""
url = _urljoin(self.api_server, self.available_api_versions['v1'], "tokens") + '/'
args = urlencode({"github_token": github_token})
resp = open_url(url, data=args, validate_certs=self.validate_certs, method="POST", http_agent=user_agent())
data = json.loads(to_text(resp.read(), errors='surrogate_or_strict'))
return data
@g_connect(['v1'])
def create_import_task(self, github_user, github_repo, reference=None, role_name=None):
"""
Post an import request
"""
url = _urljoin(self.api_server, self.available_api_versions['v1'], "imports") + '/'
args = {
"github_user": github_user,
"github_repo": github_repo,
"github_reference": reference if reference else ""
}
if role_name:
args['alternate_role_name'] = role_name
elif github_repo.startswith('ansible-role'):
args['alternate_role_name'] = github_repo[len('ansible-role') + 1:]
data = self._call_galaxy(url, args=urlencode(args), method="POST")
if data.get('results', None):
return data['results']
return data
@g_connect(['v1'])
def get_import_task(self, task_id=None, github_user=None, github_repo=None):
"""
Check the status of an import task.
"""
url = _urljoin(self.api_server, self.available_api_versions['v1'], "imports")
if task_id is not None:
url = "%s?id=%d" % (url, task_id)
elif github_user is not None and github_repo is not None:
url = "%s?github_user=%s&github_repo=%s" % (url, github_user, github_repo)
else:
raise AnsibleError("Expected task_id or github_user and github_repo")
data = self._call_galaxy(url)
return data['results']
@g_connect(['v1'])
def lookup_role_by_name(self, role_name, notify=True):
"""
Find a role by name.
"""
role_name = to_text(urlquote(to_bytes(role_name)))
try:
parts = role_name.split(".")
user_name = ".".join(parts[0:-1])
role_name = parts[-1]
if notify:
display.display("- downloading role '%s', owned by %s" % (role_name, user_name))
except Exception:
raise AnsibleError("Invalid role name (%s). Specify role as format: username.rolename" % role_name)
url = _urljoin(self.api_server, self.available_api_versions['v1'], "roles",
"?owner__username=%s&name=%s" % (user_name, role_name))
data = self._call_galaxy(url)
if len(data["results"]) != 0:
return data["results"][0]
return None
@g_connect(['v1'])
def fetch_role_related(self, related, role_id):
"""
Fetch the list of related items for the given role.
The url comes from the 'related' field of the role.
"""
results = []
try:
url = _urljoin(self.api_server, self.available_api_versions['v1'], "roles", role_id, related,
"?page_size=50")
data = self._call_galaxy(url)
results = data['results']
done = (data.get('next_link', None) is None)
# https://github.com/ansible/ansible/issues/64355
# api_server contains part of the API path but next_link includes the the /api part so strip it out.
url_info = urlparse(self.api_server)
base_url = "%s://%s/" % (url_info.scheme, url_info.netloc)
while not done:
url = _urljoin(base_url, data['next_link'])
data = self._call_galaxy(url)
results += data['results']
done = (data.get('next_link', None) is None)
except Exception as e:
display.warning("Unable to retrieve role (id=%s) data (%s), but this is not fatal so we continue: %s"
% (role_id, related, to_text(e)))
return results
@g_connect(['v1'])
def get_list(self, what):
"""
Fetch the list of items specified.
"""
try:
url = _urljoin(self.api_server, self.available_api_versions['v1'], what, "?page_size")
data = self._call_galaxy(url)
if "results" in data:
results = data['results']
else:
results = data
done = True
if "next" in data:
done = (data.get('next_link', None) is None)
while not done:
url = _urljoin(self.api_server, data['next_link'])
data = self._call_galaxy(url)
results += data['results']
done = (data.get('next_link', None) is None)
return results
except Exception as error:
raise AnsibleError("Failed to download the %s list: %s" % (what, to_native(error)))
@g_connect(['v1'])
def search_roles(self, search, **kwargs):
search_url = _urljoin(self.api_server, self.available_api_versions['v1'], "search", "roles", "?")
if search:
search_url += '&autocomplete=' + to_text(urlquote(to_bytes(search)))
tags = kwargs.get('tags', None)
platforms = kwargs.get('platforms', None)
page_size = kwargs.get('page_size', None)
author = kwargs.get('author', None)
if tags and isinstance(tags, string_types):
tags = tags.split(',')
search_url += '&tags_autocomplete=' + '+'.join(tags)
if platforms and isinstance(platforms, string_types):
platforms = platforms.split(',')
search_url += '&platforms_autocomplete=' + '+'.join(platforms)
if page_size:
search_url += '&page_size=%s' % page_size
if author:
search_url += '&username_autocomplete=%s' % author
data = self._call_galaxy(search_url)
return data
@g_connect(['v1'])
def add_secret(self, source, github_user, github_repo, secret):
url = _urljoin(self.api_server, self.available_api_versions['v1'], "notification_secrets") + '/'
args = urlencode({
"source": source,
"github_user": github_user,
"github_repo": github_repo,
"secret": secret
})
data = self._call_galaxy(url, args=args, method="POST")
return data
@g_connect(['v1'])
def list_secrets(self):
url = _urljoin(self.api_server, self.available_api_versions['v1'], "notification_secrets")
data = self._call_galaxy(url, auth_required=True)
return data
@g_connect(['v1'])
def remove_secret(self, secret_id):
url = _urljoin(self.api_server, self.available_api_versions['v1'], "notification_secrets", secret_id) + '/'
data = self._call_galaxy(url, auth_required=True, method='DELETE')
return data
@g_connect(['v1'])
def delete_role(self, github_user, github_repo):
url = _urljoin(self.api_server, self.available_api_versions['v1'], "removerole",
"?github_user=%s&github_repo=%s" % (github_user, github_repo))
data = self._call_galaxy(url, auth_required=True, method='DELETE')
return data
# Collection APIs #
@g_connect(['v2', 'v3'])
def publish_collection(self, collection_path):
"""
Publishes a collection to a Galaxy server and returns the import task URI.
:param collection_path: The path to the collection tarball to publish.
:return: The import task URI that contains the import results.
"""
display.display("Publishing collection artifact '%s' to %s %s" % (collection_path, self.name, self.api_server))
b_collection_path = to_bytes(collection_path, errors='surrogate_or_strict')
if not os.path.exists(b_collection_path):
raise AnsibleError("The collection path specified '%s' does not exist." % to_native(collection_path))
elif not tarfile.is_tarfile(b_collection_path):
raise AnsibleError("The collection path specified '%s' is not a tarball, use 'ansible-galaxy collection "
"build' to create a proper release artifact." % to_native(collection_path))
with open(b_collection_path, 'rb') as collection_tar:
data = collection_tar.read()
boundary = '--------------------------%s' % uuid.uuid4().hex
b_file_name = os.path.basename(b_collection_path)
part_boundary = b"--" + to_bytes(boundary, errors='surrogate_or_strict')
form = [
part_boundary,
b"Content-Disposition: form-data; name=\"sha256\"",
b"",
to_bytes(secure_hash_s(data, hash_func=hashlib.sha256), errors='surrogate_or_strict'),
part_boundary,
b"Content-Disposition: file; name=\"file\"; filename=\"%s\"" % b_file_name,
b"Content-Type: application/octet-stream",
b"",
data,
b"%s--" % part_boundary,
]
data = b"\r\n".join(form)
headers = {
'Content-type': 'multipart/form-data; boundary=%s' % boundary,
'Content-length': len(data),
}
if 'v3' in self.available_api_versions:
n_url = _urljoin(self.api_server, self.available_api_versions['v3'], 'artifacts', 'collections') + '/'
else:
n_url = _urljoin(self.api_server, self.available_api_versions['v2'], 'collections') + '/'
resp = self._call_galaxy(n_url, args=data, headers=headers, method='POST', auth_required=True,
error_context_msg='Error when publishing collection to %s (%s)'
% (self.name, self.api_server))
return resp['task']
@g_connect(['v2', 'v3'])
def wait_import_task(self, task_id, timeout=0):
"""
Waits until the import process on the Galaxy server has completed or the timeout is reached.
:param task_id: The id of the import task to wait for. This can be parsed out of the return
value for GalaxyAPI.publish_collection.
:param timeout: The timeout in seconds, 0 is no timeout.
"""
state = 'waiting'
data = None
# Construct the appropriate URL per version
if 'v3' in self.available_api_versions:
full_url = _urljoin(self.api_server, self.available_api_versions['v3'],
'imports/collections', task_id, '/')
else:
full_url = _urljoin(self.api_server, self.available_api_versions['v2'],
'collection-imports', task_id, '/')
display.display("Waiting until Galaxy import task %s has completed" % full_url)
start = time.time()
wait = 2
while timeout == 0 or (time.time() - start) < timeout:
data = self._call_galaxy(full_url, method='GET', auth_required=True,
error_context_msg='Error when getting import task results at %s' % full_url)
state = data.get('state', 'waiting')
if data.get('finished_at', None):
break
display.vvv('Galaxy import process has a status of %s, wait %d seconds before trying again'
% (state, wait))
time.sleep(wait)
# poor man's exponential backoff algo so we don't flood the Galaxy API, cap at 30 seconds.
wait = min(30, wait * 1.5)
if state == 'waiting':
raise AnsibleError("Timeout while waiting for the Galaxy import process to finish, check progress at '%s'"
% to_native(full_url))
for message in data.get('messages', []):
level = message['level']
if level == 'error':
display.error("Galaxy import error message: %s" % message['message'])
elif level == 'warning':
display.warning("Galaxy import warning message: %s" % message['message'])
else:
display.vvv("Galaxy import message: %s - %s" % (level, message['message']))
if state == 'failed':
code = to_native(data['error'].get('code', 'UNKNOWN'))
description = to_native(
data['error'].get('description', "Unknown error, see %s for more details" % full_url))
raise AnsibleError("Galaxy import process failed: %s (Code: %s)" % (description, code))
@g_connect(['v2', 'v3'])
def get_collection_version_metadata(self, namespace, name, version):
"""
Gets the collection information from the Galaxy server about a specific Collection version.
:param namespace: The collection namespace.
:param name: The collection name.
:param version: Optional version of the collection to get the information for.
:return: CollectionVersionMetadata about the collection at the version requested.
"""
api_path = self.available_api_versions.get('v3', self.available_api_versions.get('v2'))
url_paths = [self.api_server, api_path, 'collections', namespace, name, 'versions', version, '/']
n_collection_url = _urljoin(*url_paths)
error_context_msg = 'Error when getting collection version metadata for %s.%s:%s from %s (%s)' \
% (namespace, name, version, self.name, self.api_server)
data = self._call_galaxy(n_collection_url, error_context_msg=error_context_msg)
return CollectionVersionMetadata(data['namespace']['name'], data['collection']['name'], data['version'],
data['download_url'], data['artifact']['sha256'],
data['metadata']['dependencies'])
@g_connect(['v2', 'v3'])
def get_collection_versions(self, namespace, name):
"""
Gets a list of available versions for a collection on a Galaxy server.
:param namespace: The collection namespace.
:param name: The collection name.
:return: A list of versions that are available.
"""
relative_link = False
if 'v3' in self.available_api_versions:
api_path = self.available_api_versions['v3']
results_key = 'data'
pagination_path = ['links', 'next']
relative_link = True # AH pagination results are relative an not an absolute URI.
else:
api_path = self.available_api_versions['v2']
results_key = 'results'
pagination_path = ['next']
n_url = _urljoin(self.api_server, api_path, 'collections', namespace, name, 'versions', '/')
error_context_msg = 'Error when getting available collection versions for %s.%s from %s (%s)' \
% (namespace, name, self.name, self.api_server)
data = self._call_galaxy(n_url, error_context_msg=error_context_msg)
versions = []
while True:
versions += [v['version'] for v in data[results_key]]
next_link = data
for path in pagination_path:
next_link = next_link.get(path, {})
if not next_link:
break
elif relative_link:
# TODO: This assumes the pagination result is relative to the root server. Will need to be verified
# with someone who knows the AH API.
next_link = n_url.replace(urlparse(n_url).path, next_link)
data = self._call_galaxy(to_native(next_link, errors='surrogate_or_strict'),
error_context_msg=error_context_msg)
return versions
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