/usr/lib/python3/dist-packages/swiftsc/client.py is in python3-swiftsc 0.5-1.
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"""
Copyright (C) 2013 Kouhei Maeda <mkouhei@palmtb.net>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import requests
import os.path
import json
import sys
import _io
from swiftsc import utils
TIMEOUT = 5.000
def retrieve_token(auth_url, username, password,
tenant_name=None, verify=True):
"""
Arguments:
url : Swift API of authentication
https://<Host>/auth/<api_version>
ex. https://swift.example.org/auth/v1.0
using KeyStone as follows
https://<KeyStone>/<api_version>/tokens
ex. https://keystone.example.org/v2.0/tokens
username : Swift User name
password : Swift User password
tenant_name: tenant name of OpenStack
verify : True is check a host’s SSL certificate
"""
if tenant_name:
# using OpenStack KeyStone
payload = set_auth_info(username, password, tenant_name)
headers = {'Content-Type': 'application/json'}
r = requests.post(auth_url, headers=headers, data=json.dumps(payload),
timeout=TIMEOUT, verify=verify)
res_d = utils.return_json(r.json)
token = retrieve_token_keystone(res_d)
storage_url = retrieve_public_url_swift(res_d)
else:
# using tempauth of Swift
headers = {'X-Storage-User': username, 'X-Storage-Pass': password}
r = requests.get(auth_url, headers=headers,
timeout=TIMEOUT, verify=verify)
token = r.headers.get('X-Auth-Token')
storage_url = r.headers.get('X-Storage-Url')
return token, storage_url
def set_auth_info(username, password, tenant_name):
"""
Arguments:
username : keystone username
password : keystone password
tenant_name: keystone tenant name
"""
payload = {
"auth": {
"passwordCredentials": {
"username": username,
"password": password},
"tenantName": tenant_name}}
return payload
def retrieve_public_url_swift(r_json):
endpoints = [ep.get('endpoints')[0]
for ep in r_json.get('access').get('serviceCatalog')
if ep.get('name') == 'swift'][0]
return endpoints.get('publicURL')
def retrieve_token_keystone(r_json):
return r_json.get('access').get('token').get('id')
def list_containers(token, storage_url, verify=True):
"""
Arguments:
token : authentication token
storage_url: URL of swift storage
verify : True is check a host’s SSL certificate
"""
headers = {'X-Auth-Token': token}
payload = {'format': 'json'}
r = requests.get(storage_url, headers=headers,
params=payload, timeout=TIMEOUT, verify=verify)
# not use r.content that is data type is "str".
# You must encode to unicode and utf-8 by yourself
# if you use multibyte character.
r.encoding = 'utf-8'
return utils.return_json(r.json)
def create_container(token, storage_url, container_name, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name: container name
verify : True is check a host’s SSL certificate
Return: 201 (Created)
"""
headers = {'X-Auth-Token': token}
url = utils.generate_url([storage_url, container_name])
r = requests.put(url, headers=headers, timeout=TIMEOUT, verify=verify)
return r.status_code
def is_container(token, storage_url, container_name, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name: container name
verify : True is check a host’s SSL certificate
Return: boolean
"""
headers = {'X-Auth-Token': token}
url = utils.generate_url([storage_url, container_name])
r = requests.head(url, headers=headers, timeout=TIMEOUT, verify=verify)
return r.ok
def delete_container(token, storage_url, container_name, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name: container name
verify : True is check a host’s SSL certificate
Return: 204 (No Content)
"""
headers = {'X-Auth-Token': token}
url = utils.generate_url([storage_url, container_name])
r = requests.delete(url, headers=headers, timeout=TIMEOUT, verify=verify)
return r.status_code
def create_object(token, storage_url, container_name,
local_file, object_name=None, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name: container name
local_file : absolute path of upload file
or
file object (from stdin pipe)
object_name : object name (optional)
default is local_file basename or
verify : True is check a host’s SSL certificate
Return: 201 (Created)
"""
if ((sys.version_info < (3, 0) and
isinstance(local_file, file)) or
(sys.version_info > (3, 0) and
isinstance(local_file, _io.FileIO))):
# from stdin pipe
(mimetype,
content_length,
data) = utils.retrieve_info_from_buffer(local_file)
else:
with open(local_file, 'rb') as f:
data = f.read()
content_length = os.path.getsize(local_file)
mimetype = utils.check_mimetype(local_file)
if object_name is None:
object_name = os.path.basename(local_file)
# Failed to upload without "Content-Length" when uploading empty file
headers = {'X-Auth-Token': token,
'Content-Length': str(content_length),
'content-type': mimetype}
url = utils.generate_url([storage_url, container_name, object_name])
r = requests.put(url, headers=headers, data=data,
timeout=TIMEOUT, verify=verify)
return r.status_code
def list_objects(token, storage_url, container_name, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name: container name
verify : True is check a host’s SSL certificate
"""
headers = {'X-Auth-Token': token}
payload = {'format': 'json'}
url = utils.generate_url([storage_url, container_name]) + '/'
r = requests.get(url, headers=headers, params=payload,
timeout=TIMEOUT, verify=verify)
r.encoding = 'utf-8'
return utils.return_json(r.json)
def is_object(token, storage_url, container_name, object_name, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name: container name
object_name : object name
verify : True is check a host’s SSL certificate
Return: boolean
"""
headers = {'X-Auth-Token': token}
url = utils.generate_url([storage_url, container_name, object_name])
r = requests.head(url, headers=headers, timeout=TIMEOUT, verify=verify)
return r.ok
def retrieve_object(token, storage_url, container_name,
object_name, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name: container name
object_name : object name
verify : True is check a host’s SSL certificate
Return: object data
"""
headers = {'X-Auth-Token': token}
url = utils.generate_url([storage_url, container_name, object_name])
r = requests.get(url, headers=headers, timeout=TIMEOUT, verify=verify)
return r.ok, r.content
def copy_object(token, storage_url, container_name,
src_object_name, dest_object_name, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name : container name
src_object_name : object name of source
dest_object_name: object name of destination
verify : True is check a host’s SSL certificate
Return: 201 (Created)
"""
src_url = '/' + utils.generate_url([container_name, src_object_name])
headers = {'X-Auth-Token': token,
'Content-Length': "0",
'X-Copy-From': src_url}
dest_url = utils.generate_url([storage_url, container_name,
dest_object_name])
r = requests.put(dest_url, headers=headers, timeout=TIMEOUT, verify=verify)
return r.status_code
def delete_object(token, storage_url, container_name,
object_name, verify=True):
"""
Arguments:
token : authentication token
storage_url : URL of swift storage
container_name: container name
object_name : object name
verify : True is check a host’s SSL certificate
Return: 204 (No Content)
"""
headers = {'X-Auth-Token': token}
url = utils.generate_url([storage_url, container_name, object_name])
r = requests.delete(url, headers=headers, timeout=TIMEOUT, verify=verify)
return r.status_code
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