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atomic/Atomic/pulp.py
Jhon Honce d8b1a5e08e Refactor to use util.write_* functions
Signed-off-by: Jhon Honce <jhonce@redhat.com>
2016-07-25 12:57:36 -07:00

284 lines
11 KiB
Python

import os
import json
try:
import ConfigParser as configparser
except ImportError: # py3 compat
import configparser # pylint: disable=import-error
import requests
from . import util
util.urllib3_disable_warnings()
def push_image_to_pulp(image, server_url, username, password,
verify_ssl, docker_client):
if not image:
raise ValueError("Image required")
parts = image.split("/")
if parts > 1:
if parts[0].find(".") != -1:
server_url = parts[0]
image = ("/").join(parts[1:])
repo = image.replace("/", "-")
if not server_url:
raise ValueError("Pulp server url required")
if not server_url.startswith("http"):
server_url = "https://" + server_url
try:
pulp = PulpServer(server_url=server_url, username=username,
password=password, verify_ssl=verify_ssl,
docker_client=docker_client)
except Exception as e:
raise IOError('Failed to initialize Pulp: {0}'.format(e))
try:
if not pulp.is_repo(repo):
pulp.create_repo(image, repo)
except Exception as e:
raise IOError('Failed to create repository: {0}'.format(e))
try:
util.write_out('Uploading image "{0}" to server "{1}"'.format(
image, server_url))
pulp.upload_docker_image(image, repo)
util.write_out("")
except Exception as e:
raise IOError('Failed to upload image: {0}'.format(e))
pulp.publish_repo(repo)
pulp.export_repo(repo)
class PulpServer(object):
# Interact with Pulp API
def __init__(self, server_url, username, password, verify_ssl,
docker_client):
self._server_url = server_url
self._username = username
self._password = password
self._verify_ssl = verify_ssl
self._docker_client = docker_client
self._web_distributor = "docker_web_distributor_name_cli"
self._export_distributor = "docker_export_distributor_name_cli"
self._importer = "docker_importer"
self._export_dir = "/var/www/pub/docker/web/"
self._unit_type_id = "docker_image"
self._chunk_size = 1048576 # 1 MB per upload call
def _call_pulp(self, url, req_type='get', payload=None):
if req_type == 'get':
r = requests.get(url, auth=(self._username, self._password),
verify=self._verify_ssl)
elif req_type == 'post':
r = requests.post(url, auth=(self._username, self._password),
data=json.dumps(payload),
verify=self._verify_ssl)
elif req_type == 'put':
# some calls pass in binary data so we don't log payload data or
# json encode it here
r = requests.put(url, auth=(self._username, self._password),
data=payload, verify=self._verify_ssl)
elif req_type == 'delete':
r = requests.delete(url, auth=(self._username, self._password),
verify=self._verify_ssl)
else:
raise ValueError('Invalid value of "req_type" parameter: {0}'
''.format(req_type))
r_json = r.json()
# some requests return null
if not r_json:
return r_json
if 'error_message' in r_json:
util.write_err('Error messages from Pulp response:\n{0}'
''.format(r_json['error_message']))
if 'spawned_tasks' in r_json:
for task in r_json['spawned_tasks']:
self._call_pulp('{0}/{1}'.format(self._server_url,
task['_href']))
return r_json
@property
def status(self):
# Return pulp server status
return self._call_pulp('{0}/pulp/api/v2/status/'
''.format(self._server_url))
def is_repo(self, repo_id):
# Return true if repo exists
url = '{0}/pulp/api/v2/repositories/'.format(self._server_url)
r_json = self._call_pulp(url)
return repo_id in [repo['id'] for repo in r_json]
def create_repo(self, image, repo_id, redirect_url=None):
# Create pulp docker repository
print('Creating Repo "{0}"'.format(repo_id))
if not redirect_url:
redirect_url = '{0}/pulp/docker/{1}'.format(self._server_url,
repo_id)
payload = {
'id': repo_id,
'display_name': image,
'description': 'docker image repository',
'notes': {
'_repo-type': 'docker-repo'
},
'importer_type_id': self._importer,
'importer_config': {},
'distributors': [{
'distributor_type_id': 'docker_distributor_web',
'distributor_id': self._web_distributor,
'distributor_config': {
'repo-registry-id': image},
'auto_publish': 'true'},
{
'distributor_type_id': 'docker_distributor_export',
'distributor_id': self._export_distributor,
'repo-registry-id': image,
'docker_publish_directory': self._export_dir,
'auto_publish': 'true',
'distributor_config': {
'redirect-url': redirect_url,
'repo-registry-id': image}
}
]
}
url = '{0}/pulp/api/v2/repositories/'.format(self._server_url)
r_json = self._call_pulp(url, "post", payload)
if 'error_message' in r_json:
raise Exception('Failed to create repository "{0}"'
''.format(repo_id))
@property
def _upload_id(self):
# Get a pulp upload ID
url = '{0}/pulp/api/v2/content/uploads/'.format(self._server_url)
r_json = self._call_pulp(url, "post")
if 'error_message' in r_json:
raise Exception('Unable to get a pulp upload ID')
return r_json['upload_id']
def _delete_upload_id(self, upload_id):
# Delete upload request ID
url = '{0}/pulp/api/v2/content/uploads/{1}/'.format(self._server_url,
upload_id)
self._call_pulp(url, "delete")
def upload_docker_image(self, image, repo_id):
# Upload image to pulp repository
upload_id = self._upload_id
self._upload_docker_image(upload_id, image)
self._import_upload(upload_id, repo_id)
self._delete_upload_id(upload_id)
def _upload_docker_image(self, upload_id, image):
offset = 0
image_stream = self._docker_client.get_image(image)
while True:
data = image_stream.read(self._chunk_size)
if not data:
break
url = '{0}/pulp/api/v2/content/uploads/{1}/{2}/' \
''.format(self._server_url, upload_id, offset)
util.write_out(".", "")
self._call_pulp(url, "put", data)
offset += self._chunk_size
image_stream.close()
def _import_upload(self, upload_id, repo_id):
# Import uploaded content
url = '{0}/pulp/api/v2/repositories/{1}/actions/import_upload/' \
''.format(self._server_url, repo_id)
payload = {
'upload_id': upload_id,
'unit_type_id': self._unit_type_id,
'unit_key': None,
'unit_metadata': None,
'override_config': None
}
r_json = self._call_pulp(url, "post", payload)
if 'error_message' in r_json:
raise Exception('Unable to import pulp content into {0}'
''.format(repo_id))
def publish_repo(self, repo_id):
# Publish pulp repository to pulp web server
url = '{0}/pulp/api/v2/repositories/{1}/actions/publish/' \
''.format(self._server_url, repo_id)
payload = {
"id": self._web_distributor,
"override_config": {}
}
r_json = self._call_pulp(url, "post", payload)
if 'error_message' in r_json:
raise Exception('Unable to publish pulp repo "{0}"'
''.format(repo_id))
def export_repo(self, repo_id):
# Export pulp repository to pulp web server as tar
# The tarball is split into the layer components and crane metadata.
# It is for the purpose of uploading to remote crane server
url = '{0}/pulp/api/v2/repositories/{1}/actions/publish/' \
''.format(self._server_url, repo_id)
payload = {
"id": self._export_distributor,
"override_config": {
"export_file": '{0}{1}.tar'.format(self._export_dir, repo_id),
}
}
r_json = self._call_pulp(url, "post", payload)
if 'error_message' in r_json:
raise Exception('Unable to export pulp repo "{0}"'.format(repo_id))
class PulpConfig(object):
# pulp configuration:
# 1. look in ~/.pulp/admin.conf
# configuration contents:
# [server]
# host = <pulp-server-hostname.example.com>
# verify_ssl = false
# #optional auth section
# [auth]
# username: <user>
# password: <pass>
def __init__(self):
self.c = configparser.ConfigParser()
self.config_file = os.path.expanduser("~/.pulp/admin.conf")
self.c.read(self.config_file)
self.url = self._get("server", "host")
self.username = self._get("auth", "username")
self.password = self._get("auth", "password")
self.verify_ssl = self._getboolean("server", "verify_ssl")
def _get(self, section, val):
try:
return self.c.get(section, val)
except (configparser.NoSectionError, configparser.NoOptionError):
return None
except ValueError as e:
raise ValueError("Bad Value for %s in %s. %s" %
(val, self.config_file, e))
def _getboolean(self, section, val):
try:
return self.c.getboolean(section, val)
except (configparser.NoSectionError, configparser.NoOptionError):
return True
except ValueError as e:
raise ValueError("Bad Value for %s in %s. %s" %
(val, self.config_file, e))
def config(self):
return {"url": self.url, "verify_ssl": self.verify_ssl,
"username": self.username, "password": self.password}