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Copy pathHPE3ParMockServer_flask.py
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HPE3ParMockServer_flask.py
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# (C) Copyright 2018 Hewlett Packard Enterprise Development LP
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import flask
import re
import pprint
import json
import random
import string
import argparse
import uuid
from time import gmtime, strftime
from werkzeug.exceptions import default_exceptions
from werkzeug.exceptions import HTTPException
# 3PAR error code constants
INV_USER_PASS = 5
INV_INPUT = 12
EXISTENT_CPG = 14
NON_EXISTENT_CPG = 15
EXISTENT_HOST = 16
NON_EXISTENT_HOST = 17
NON_EXISTENT_VLUN = 19
EXISTENT_VOL = 22
NON_EXISTENT_VOL = 23
EXPORTED_VLUN = 26
TOO_LARGE = 28
NON_EXISTENT_DOMAIN = 38
INV_INPUT_WRONG_TYPE = 39
INV_INPUT_MISSING_REQUIRED = 40
INV_INPUT_EXCEEDS_RANGE = 43
INV_INPUT_PARAM_CONFLICT = 44
INV_INPUT_EMPTY_STR = 45
INV_INPUT_BAD_ENUM_VALUE = 46
INV_INPUT_PORT_SPECIFICATION = 55
INV_INPUT_EXCEEDS_LENGTH = 57
EXISTENT_ID = 59
INV_INPUT_ILLEGAL_CHAR = 69
EXISTENT_PATH = 73
NON_EXISTENT_SET = 77
HOST_IN_SET = 77
INV_INPUT_ONE_REQUIRED = 78
NON_EXISTENT_PATH = 80
NON_EXISTENT_QOS_RULE = 100
EXISTENT_SET = 101
EXISTENT_QOS_RULE = 114
INV_INPUT_BELOW_RANGE = 115
INV_INPUT_QOS_TARGET_OBJECT = 117
INV_OPERATION_VV_IN_REMOTE_COPY = 120
NON_EXISTENT_TASK = 145
INV_INPUT_VV_GROW_SIZE = 152
VV_NEW_SIZE_EXCEED_CPG_LIMIT = 153
NON_EXISTENT_OBJECT_KEY = 180
EXISTENT_OBJECT_KEY = 181
NON_EXISTENT_RCOPY_GROUP = 187
EXISTENT_RCOPY_GROUP = 237
# Remote Copy Actions
ADMIT_VV = 1
DISMISS_VV = 2
START_GROUP = 3
STOP_GROUP = 4
SYNC_GROUP = 5
FAILOVER_GROUP = 7
# Remote Copy States
RCOPY_STARTED = 3
RCOPY_STOPPED = 5
parser = argparse.ArgumentParser()
parser.add_argument("-debug", help="Turn on http debugging",
default=False, action="store_true")
parser.add_argument("-user", help="User name")
parser.add_argument("-password", help="User password")
parser.add_argument("-port", help="Port to listen on", type=int, default=5000)
args = parser.parse_args()
user_name = args.user
user_pass = args.password
debugRequests = False
if "debug" in args and args.debug:
debugRequests = True
# __all__ = ['make_json_app']
def id_generator(size=6, chars=string.ascii_uppercase + string.digits):
return ''.join(random.choice(chars) for x in range(size))
def make_json_app(import_name, **kwargs):
"""
Create a JSON-oriented Flask app.
All error responses that you don't specifically
manage yourself will have application/json content
type, and will contain JSON like this (just an example):
{ "message": "405: Method Not Allowed" }
"""
def make_json_error(ex):
pprint.pprint(ex)
# pprint.pprint(ex.code)
response = flask.jsonify(message=str(ex))
# response = jsonify(ex)
response.status_code = (ex.code
if isinstance(ex, HTTPException)
else 500)
pprint.pprint(response)
return response
app = flask.Flask(import_name, **kwargs)
# app.debug = True
app.secret_key = id_generator(24)
for code in list(default_exceptions.keys()):
app.errorhandler(code)(make_json_error)
return app
app = make_json_app(__name__)
session_key = id_generator(24)
def debugRequest(request):
if debugRequests:
print("\n")
pprint.pprint(request)
pprint.pprint(request.headers)
pprint.pprint(request.data)
def throw_error(http_code, error_code=None, desc=None, debug1=None,
debug2=None):
if error_code:
info = {'code': error_code, 'desc': desc}
if debug1:
info['debug1'] = debug1
if debug2:
info['debug2'] = debug2
flask.abort(flask.Response(json.dumps(info), status=http_code))
else:
flask.abort(http_code)
@app.route('/')
def index():
debugRequest(flask.request)
if 'username' in flask.session:
return 'Logged in as %s' % flask.escape(flask.session['username'])
flask.abort(401)
@app.route('/api/v1/throwerror')
def errtest():
debugRequest(flask.request)
throw_error(405, 123, 'testing throwing an error',
'debug1 message', 'debug2 message')
@app.errorhandler(404)
def not_found(error):
debugRequest(flask.request)
return flask.Response("%s has not been implemented" % flask.request.path,
status=501)
@app.route('/api/v1/credentials', methods=['GET', 'POST'])
def credentials():
debugRequest(flask.request)
if flask.request.method == 'GET':
return 'GET credentials called'
elif flask.request.method == 'POST':
data = json.loads(flask.request.data.decode('utf-8'))
if data['user'] == user_name and data['password'] == user_pass:
# do something good here
try:
resp = flask.make_response(json.dumps({'key': session_key}),
201)
resp.headers['Location'] = ('/api/v1/credentials/%s' %
session_key)
flask.session['username'] = data['user']
flask.session['password'] = data['password']
flask.session['session_key'] = session_key
return resp
except Exception as ex:
pprint.pprint(ex)
else:
# authentication failed!
throw_error(403, INV_USER_PASS, "invalid username or password")
@app.route('/api/v1/credentials/<session_key>', methods=['DELETE'])
def logout_credentials(session_key):
debugRequest(flask.request)
flask.session.clear()
return 'DELETE credentials called'
# CPG
@app.route('/api/v1/cpgs', methods=['POST'])
def create_cpgs():
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
valid_keys = {'name': None, 'growthIncrementMB': None,
'growthLimitMB': None,
'usedLDWarningAlertMB': None, 'domain': None,
'LDLayout': None}
valid_LDLayout_keys = {'RAIDType': None, 'setSize': None, 'HA': None,
'chuckletPosRef': None, 'diskPatterns': None}
for key in list(data.keys()):
if key not in list(valid_keys.keys()):
throw_error(400, INV_INPUT, "Invalid Parameter '%s'" % key)
elif 'LDLayout' in list(data.keys()):
layout = data['LDLayout']
for subkey in list(layout.keys()):
if subkey not in valid_LDLayout_keys:
throw_error(400, INV_INPUT,
"Invalid Parameter '%s'" % subkey)
if 'domain' in data and data['domain'] == 'BAD_DOMAIN':
throw_error(404, NON_EXISTENT_DOMAIN,
"Non-existing domain specified.")
for cpg in cpgs['members']:
if data['name'] == cpg['name']:
throw_error(409, EXISTENT_CPG,
"CPG '%s' already exist." % data['name'])
cpgs['members'].append(data)
cpgs['total'] = cpgs['total'] + 1
return flask.make_response("", 200)
@app.route('/api/v1/cpgs', methods=['GET'])
def get_cpgs():
debugRequest(flask.request)
# should get it from global cpgs
resp = flask.make_response(json.dumps(cpgs), 200)
return resp
@app.route('/api/v1/cpgs/<cpg_name>', methods=['GET'])
def get_cpg(cpg_name):
debugRequest(flask.request)
for cpg in cpgs['members']:
if cpg['name'] == cpg_name:
resp = flask.make_response(json.dumps(cpg), 200)
return resp
throw_error(404, NON_EXISTENT_CPG, "CPG '%s' doesn't exist" % cpg_name)
@app.route('/api/v1/spacereporter', methods=['POST'])
def get_cpg_available_space():
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
for cpg in cpgs['members']:
if cpg['name'] == data['cpg']:
fake_cpg_info = {
"rawFreeMiB": 7630848,
"usableFreeMiB": 3815424
}
resp = flask.make_response(json.dumps(fake_cpg_info), 200)
return resp
throw_error(404, NON_EXISTENT_CPG, "CPG '%s' doesn't exist" % data['cpg'])
@app.route('/api/v1/cpgs/<cpg_name>', methods=['DELETE'])
def delete_cpg(cpg_name):
debugRequest(flask.request)
for cpg in cpgs['members']:
if cpg['name'] == cpg_name:
cpgs['members'].remove(cpg)
return flask.make_response("", 200)
throw_error(404, NON_EXISTENT_CPG, "CPG '%s' doesn't exist" % cpg_name)
# Host Set
def get_host_set_for_host(name):
for host_set in host_sets['members']:
for host_name in host_set['setmembers']:
if host_name == name:
return host_set['name']
return None
@app.route('/api/v1/hostsets', methods=['GET'])
def get_host_sets():
debugRequest(flask.request)
resp = flask.make_response(json.dumps(host_sets), 200)
return resp
@app.route('/api/v1/hostsets', methods=['POST'])
def create_host_set():
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
valid_keys = {'name': None, 'comment': None,
'domain': None, 'setmembers': None}
for key in list(data.keys()):
if key not in list(valid_keys.keys()):
throw_error(400, INV_INPUT, "Invalid Parameter '%s'" % key)
if 'name' in list(data.keys()):
for host_set in host_sets['members']:
if host_set['name'] == data['name']:
throw_error(409, EXISTENT_SET, 'Set exists')
if len(data['name']) > 31:
throw_error(400, INV_INPUT_EXCEEDS_LENGTH,
'invalid input: string length exceeds limit')
else:
throw_error(400, INV_INPUT,
'No host set name provided.')
host_sets['members'].append(data)
resp = flask.make_response(
"", 201, {'location': '/api/v1/hostsets/' + data['name']})
return resp
@app.route('/api/v1/hostsets/<host_set_name>', methods=['GET'])
def get_host_set(host_set_name):
debugRequest(flask.request)
charset = {'!', '@', '#', '$', '%', '&', '^'}
for char in charset:
if char in host_set_name:
throw_error(400, INV_INPUT_ILLEGAL_CHAR,
'illegal character in input')
for host_set in host_sets['members']:
if host_set['name'] == host_set_name:
resp = flask.make_response(json.dumps(host_set), 200)
return resp
throw_error(404, NON_EXISTENT_SET, "host set doesn't exist")
@app.route('/api/v1/hostsets/<host_set_name>', methods=['PUT'])
def modify_host_set(host_set_name):
debugRequest(flask.request)
if len(host_set_name) > 31:
throw_error(400, INV_INPUT_EXCEEDS_LENGTH,
'invalid input: string length exceeds limit')
data = json.loads(flask.request.data.decode('utf-8'))
if 'newName' in data:
if len(data['newName']) > 32:
throw_error(400, INV_INPUT_EXCEEDS_LENGTH,
'host set name is too long.')
if 'setmembers' in data:
throw_error(400, INV_INPUT_PARAM_CONFLICT,
"invalid input: parameters cannot be present at the"
" same time")
for host_set in host_sets['members']:
if host_set['name'] == host_set_name:
if 'newName' in data:
host_set['name'] = data['newName']
if 'comment' in data:
host_set['comment'] = data['comment']
if 'setmembers' in data and 'action' in data:
members = data['setmembers']
for member in members:
get_host(member)
if 1 == data['action']:
# 1 is memAdd - Adds a member to the set
if 'setmembers' not in host_set:
host_set['setmembers'] = []
if member not in host_set['setmembers']:
host_set['setmembers'].extend(members)
else:
throw_error(409, HOST_IN_SET,
"The object is already part of the set")
elif 2 == data['action']:
# 2 is memRemove- Removes a member from the set
for member in members:
host_set['setmembers'].remove(member)
else:
throw_error(400, INV_INPUT_BAD_ENUM_VALUE,
desc='invalid input: bad enum value - action')
resp = flask.make_response(json.dumps(host_set), 200)
return resp
throw_error(404, NON_EXISTENT_SET, "host set doesn't exist")
@app.route('/api/v1/hostsets/<host_set_name>', methods=['DELETE'])
def delete_host_set(host_set_name):
debugRequest(flask.request)
for host_set in host_sets['members']:
if host_set['name'] == host_set_name:
host_sets['members'].remove(host_set)
return flask.make_response("", 200)
throw_error(404, NON_EXISTENT_SET,
"The host set '%s' does not exists." % host_set_name)
# Host
@app.route('/api/v1/hosts', methods=['POST'])
def create_hosts():
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
valid_members = ['FCWWNs', 'descriptors', 'domain', 'iSCSINames', 'id',
'name']
for member_key in list(data.keys()):
if member_key not in valid_members:
throw_error(400, INV_INPUT,
"Invalid Parameter '%s'" % member_key)
if data['name'] is None:
throw_error(400, INV_INPUT_MISSING_REQUIRED, 'Name not specified.')
elif len(data['name']) > 31:
throw_error(400, INV_INPUT_EXCEEDS_LENGTH, 'Host name is too long.')
elif 'domain' in data and len(data['domain']) > 31:
throw_error(400, INV_INPUT_EXCEEDS_LENGTH,
'Domain name is too long.')
elif 'domain' in data and data['domain'] == '':
throw_error(400, INV_INPUT_EMPTY_STR,
'Input string (for domain, iSCSI etc.) is empty.')
charset = {'!', '@', '#', '$', '%', '&', '^'}
for char in charset:
if char in data['name']:
throw_error(400, INV_INPUT_ILLEGAL_CHAR,
'Error parsing host-name or domain-name')
elif 'domain' in data and char in data['domain']:
throw_error(400, INV_INPUT_ILLEGAL_CHAR,
'Error parsing host-name or domain-name')
if 'FCWWNs' in list(data.keys()):
if 'iSCSINames' in list(data.keys()):
throw_error(400, INV_INPUT_PARAM_CONFLICT,
'FCWWNS and iSCSINames are both specified.')
if 'FCWWNs' in list(data.keys()):
fc = data['FCWWNs']
for wwn in fc:
if len(wwn.replace(':', '')) != 16:
throw_error(400, INV_INPUT_WRONG_TYPE,
'Length of WWN is not 16.')
if 'FCWWNs' in data:
for host in hosts['members']:
if 'FCWWNs' in host:
for fc_path in data['FCWWNs']:
if fc_path in host['FCWWNs']:
throw_error(409, EXISTENT_PATH,
'WWN already claimed by other host.')
if 'iSCSINames' in data:
for host in hosts:
if 'iSCSINames' in host:
for iqn in data['iSCSINames']:
if iqn in host['iSCSINames']:
throw_error(409, EXISTENT_PATH,
'iSCSI name already claimed by other'
' host.')
for host in hosts['members']:
if data['name'] == host['name']:
throw_error(409, EXISTENT_HOST,
"HOST '%s' already exist." % data['name'])
hosts['members'].append(data)
hosts['total'] = hosts['total'] + 1
resp = flask.make_response("", 201)
return resp
@app.route('/api/v1/hosts/<host_name>', methods=['PUT'])
def modify_host(host_name):
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
if host_name == 'None':
throw_error(404, INV_INPUT, 'Missing host name.')
if 'FCWWNs' in list(data.keys()):
if 'iSCSINames' in list(data.keys()):
throw_error(400, INV_INPUT_PARAM_CONFLICT,
'FCWWNS and iSCSINames are both specified.')
elif 'pathOperation' not in list(data.keys()):
throw_error(400, INV_INPUT_ONE_REQUIRED,
'pathOperation is missing and WWN is specified.')
if 'iSCSINames' in list(data.keys()):
if 'pathOperation' not in list(data.keys()):
throw_error(400, INV_INPUT_ONE_REQUIRED,
'pathOperation is missing and iSCSI Name is'
' specified.')
if 'newName' in list(data.keys()):
charset = {'!', '@', '#', '$', '%', '&', '^'}
for char in charset:
if char in data['newName']:
throw_error(400, INV_INPUT_ILLEGAL_CHAR,
'Error parsing host-name or domain-name')
if len(data['newName']) > 32:
throw_error(400, INV_INPUT_EXCEEDS_LENGTH,
'New host name is too long.')
for host in hosts['members']:
if host['name'] == data['newName']:
throw_error(409, EXISTENT_HOST,
'New host name is already used.')
if 'pathOperation' in list(data.keys()):
if 'iSCSINames' in list(data.keys()):
for host in hosts['members']:
if host['name'] == host_name:
if data['pathOperation'] == 1:
for host in hosts['members']:
if 'iSCSINames' in list(host.keys()):
for path in data['iSCSINames']:
for h_paths in host['iSCSINames']:
if path == h_paths:
throw_error(409, EXISTENT_PATH,
'iSCSI name is already'
' claimed by other '
'host.')
for path in data['iSCSINames']:
host['iSCSINames'].append(path)
resp = flask.make_response(json.dumps(host), 200)
return resp
elif data['pathOperation'] == 2:
for path in data['iSCSINames']:
for h_paths in host['iSCSINames']:
if path == h_paths:
host['iSCSINames'].remove(h_paths)
resp = flask.make_response(
json.dumps(host), 200)
return resp
throw_error(404, NON_EXISTENT_PATH,
'Removing a non-existent path.')
else:
throw_error(400, INV_INPUT_BAD_ENUM_VALUE,
'pathOperation: Invalid enum value.')
throw_error(404, NON_EXISTENT_HOST,
'Host to be modified does not exist.')
elif 'FCWWNs' in list(data.keys()):
for host in hosts['members']:
if host['name'] == host_name:
if data['pathOperation'] == 1:
for host in hosts['members']:
if 'FCWWNs' in list(host.keys()):
for path in data['FCWWNs']:
for h_paths in host['FCWWNs']:
if path == h_paths:
throw_error(409, EXISTENT_PATH,
'WWN is already '
'claimed by other '
'host.')
for path in data['FCWWNs']:
host['FCWWNs'].append(path)
resp = flask.make_response(json.dumps(host), 200)
return resp
elif data['pathOperation'] == 2:
for path in data['FCWWNs']:
for h_paths in host['FCWWNs']:
if path == h_paths:
host['FCWWNs'].remove(h_paths)
resp = flask.make_response(
json.dumps(host), 200)
return resp
throw_error(404, NON_EXISTENT_PATH,
'Removing a non-existent path.')
else:
throw_error(400, INV_INPUT_BAD_ENUM_VALUE,
'pathOperation: Invalid enum value.')
throw_error(404, NON_EXISTENT_HOST,
'Host to be modified does not exist.')
else:
throw_error(400, INV_INPUT_ONE_REQUIRED,
'pathOperation specified and no WWNs or iSCSNames'
' specified.')
for host in hosts['members']:
if host['name'] == host_name:
for member_key in list(data.keys()):
if member_key == 'newName':
host['name'] = data['newName']
else:
host[member_key] = data[member_key]
resp = flask.make_response(json.dumps(host), 200)
return resp
throw_error(404, NON_EXISTENT_HOST,
'Host to be modified does not exist.')
@app.route('/api/v1/hosts/<host_name>', methods=['DELETE'])
def delete_host(host_name):
debugRequest(flask.request)
# Can't delete a host with VLUN
if len(get_vluns_for_host(host_name)) > 0:
throw_error(409, EXPORTED_VLUN, "has exported VLUN")
# Can't delete a host in a host set
if get_host_set_for_host(host_name) is not None:
throw_error(409, HOST_IN_SET, "host is a member of a set")
for host in hosts['members']:
if host['name'] == host_name:
hosts['members'].remove(host)
return flask.make_response("", 200)
throw_error(404, NON_EXISTENT_HOST,
"The host '%s' doesn't exist" % host_name)
@app.route('/api/v1/hosts', methods=['GET'])
def get_hosts():
debugRequest(flask.request)
query = flask.request.args.get('query')
matched_hosts = []
if query is not None:
parsed_query = _parse_query(query)
for host in hosts['members']:
pprint.pprint(host)
if 'FCWWNs' in host:
pprint.pprint(host['FCWWNs'])
for hostwwn in host['FCWWNs']:
if hostwwn.replace(':', '') in parsed_query['wwns']:
matched_hosts.append(host)
break
elif 'iSCSINames' in host:
pprint.pprint(host['iSCSINames'])
for iqn in host['iSCSINames']:
if iqn in parsed_query['iqns']:
matched_hosts.append(host)
break
result = {'total': len(matched_hosts), 'members': matched_hosts}
resp = flask.make_response(json.dumps(result), 200)
else:
resp = flask.make_response(json.dumps(hosts), 200)
return resp
def _parse_query(query):
wwns = re.findall("wwn==([0-9A-Z]*)", query)
iqns = re.findall("name==([\w.:-]*)", query)
parsed_query = {"wwns": wwns, "iqns": iqns}
return parsed_query
@app.route('/api/v1/hosts/<host_name>', methods=['GET'])
def get_host(host_name):
debugRequest(flask.request)
charset = {'!', '@', '#', '$', '%', '&', '^'}
for char in charset:
if char in host_name:
throw_error(400, INV_INPUT_ILLEGAL_CHAR,
'Host name contains invalid character.')
if host_name == 'InvalidURI':
throw_error(400, INV_INPUT, 'Invalid URI Syntax.')
for host in hosts['members']:
if host['name'] == host_name:
if 'iSCSINames' in list(host.keys()):
iscsi_paths = []
for path in host['iSCSINames']:
iscsi_paths.append({'name': path})
host['iSCSIPaths'] = iscsi_paths
elif 'FCWWNs' in list(host.keys()):
fc_paths = []
for path in host['FCWWNs']:
fc_paths.append({'wwn': path.replace(':', '')})
host['FCPaths'] = fc_paths
resp = flask.make_response(json.dumps(host), 200)
return resp
throw_error(404, NON_EXISTENT_HOST, "host does not exist")
# Port
@app.route('/api/v1/ports', methods=['GET'])
def get_ports():
debugRequest(flask.request)
resp = flask.make_response(json.dumps(ports), 200)
return resp
# VLUN
@app.route('/api/v1/vluns', methods=['POST'])
def create_vluns():
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
valid_keys = {'volumeName': None, 'lun': 0, 'hostname': None,
'portPos': None,
'noVcn': False, 'overrideLowerPriority': False}
valid_port_keys = {'node': 1, 'slot': 1, 'cardPort': 0}
# do some fake errors here depending on data
for key in list(data.keys()):
if key not in list(valid_keys.keys()):
throw_error(400, INV_INPUT, "Invalid Parameter '%s'" % key)
elif 'portPos' in list(data.keys()):
portP = data['portPos']
for subkey in list(portP.keys()):
if subkey not in valid_port_keys:
throw_error(400, INV_INPUT,
"Invalid Parameter '%s'" % subkey)
if 'lun' in data:
if data['lun'] > 16384:
throw_error(400, TOO_LARGE, 'LUN is greater than 16384.')
else:
throw_error(400, INV_INPUT, 'Missing LUN.')
if 'volumeName' not in data:
throw_error(400, INV_INPUT_MISSING_REQUIRED, 'Missing volumeName.')
else:
for volume in volumes['members']:
if volume['name'] == data['volumeName']:
vluns['members'].append(data)
resp = flask.make_response(json.dumps(vluns), 201)
resp.headers['location'] = '/api/v1/vluns/'
return resp
throw_error(404, NON_EXISTENT_VOL,
'Specified volume does not exist.')
@app.route('/api/v1/vluns/<vlun_str>', methods=['DELETE'])
def delete_vluns(vlun_str):
# <vlun_str> is like volumeName,lun,host,node:slot:port
debugRequest(flask.request)
params = vlun_str.split(',')
for vlun in vluns['members']:
if vlun['volumeName'] == params[0] and vlun['lun'] == int(params[1]):
if len(params) == 4:
if str(params[2]) != vlun['hostname']:
throw_error(404, NON_EXISTENT_HOST,
"The host '%s' doesn't exist" % params[2])
print(vlun['portPos'])
port = getPort(vlun['portPos'])
if not port == params[3]:
throw_error(400, INV_INPUT_PORT_SPECIFICATION,
"Specified port is invalid %s" % params[3])
elif len(params) == 3:
if ':' in params[2]:
port = getPort(vlun['portPos'])
if not port == params[2]:
throw_error(400, INV_INPUT_PORT_SPECIFICATION,
"Specified port is invalid %s" % params[2])
else:
if str(params[2]) != vlun['hostname']:
throw_error(404, NON_EXISTENT_HOST,
"The host '%s' doesn't exist" % params[2])
vluns['members'].remove(vlun)
return flask.make_response(json.dumps(params), 200)
throw_error(404, NON_EXISTENT_VLUN,
"The volume '%s' doesn't exist" % vluns)
def getPort(portPos):
port = "%s:%s:%s" % (portPos['node'], portPos['slot'], portPos['cardPort'])
print(port)
return port
@app.route('/api/v1/vluns', methods=['GET'])
def get_vluns():
debugRequest(flask.request)
resp = flask.make_response(json.dumps(vluns), 200)
return resp
def get_vluns_for_host(host_name):
ret = []
for vlun in vluns['members']:
if vlun['hostname'] == host_name:
ret.append(vlun)
return ret
# VOLUMES & SNAPSHOTS
@app.route('/api/v1/volumes/<volume_name>', methods=['POST'])
def create_snapshot(volume_name):
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
# is this for an online copy?
onlineCopy = False
valid_keys = {'action': None, 'parameters': None}
valid_parm_keys = {'name': None, 'destVolume': None, 'destCPG': None,
'id': None, 'comment': None, 'online': None,
'readOnly': None, 'expirationHours': None,
'retentionHours': None}
# do some fake errors here depending on data
for key in list(data.keys()):
if key not in list(valid_keys.keys()):
throw_error(400, INV_INPUT, "Invalid Parameter '%s'" % key)
elif 'parameters' in list(data.keys()):
parm = data['parameters']
for subkey in list(parm.keys()):
if subkey not in valid_parm_keys:
throw_error(400, INV_INPUT,
"Invalid Parameter '%s'" % subkey)
if 'action' in data and data['action'] == 'createPhysicalCopy':
valid_offline_param_keys = {'online': None, 'destVolume': None,
'saveSnapshot': None,
'priority': None}
valid_online_param_keys = {'online': None, 'destCPG': None,
'tpvv': None, 'tdvv': None,
'snapCPG': None, 'saveSnapshot': None,
'priority': None}
params = data['parameters']
if 'online' in params and params['online']:
# we are checking online copy
onlineCopy = True
for subkey in params.keys():
if subkey not in valid_online_param_keys:
throw_error(400, INV_INPUT,
"Invalid Parameter '%s'" % subkey)
else:
# we are checking offline copy
for subkey in params.keys():
if subkey not in valid_offline_param_keys:
throw_error(400, INV_INPUT,
"Invalid Parameter '%s'" % subkey)
for volume in volumes['members']:
if volume['name'] == volume_name:
if data['action'] == "createPhysicalCopy":
new_name = data['parameters'].get('destVolume')
if not onlineCopy:
# we have to have the destination volume for offline copies
found = False
for vol in volumes['members']:
if vol['name'] == new_name:
found = True
break
if not found:
throw_error(404, NON_EXISTENT_VOL,
"volume does not exist")
else:
new_name = data['parameters'].get('name')
volumes['members'].append({'name': new_name})
resp = flask.make_response(json.dumps(volume), 200)
return resp
throw_error(404, NON_EXISTENT_VOL, "volume doesn't exist")
@app.route('/api/v1/volumesets/<volumeset_name>', methods=['POST'])
def create_volumeset_snapshot(volumeset_name):
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
valid_keys = {'action': None, 'parameters': None}
valid_parm_keys = {'name': None, 'destVolume': None, 'destCPG': None,
'id': None, 'comment': None, 'online': None,
'readOnly': None, 'expirationHours': None,
'retentionHours': None}
# do some fake errors here depending on data
for key in list(data.keys()):
if key not in list(valid_keys.keys()):
throw_error(400, INV_INPUT, "Invalid Parameter '%s'" % key)
elif 'parameters' in list(data.keys()):
parm = data['parameters']
for subkey in list(parm.keys()):
if subkey not in valid_parm_keys:
throw_error(400, INV_INPUT,
"Invalid Parameter '%s'" % subkey)
vvset_snap_name = data['parameters']['name']
snap_base = vvset_snap_name.split("@count@")[0]
for vset in volume_sets['members']:
setmembers = vset.get('setmembers', None)
if vset['name'] == volumeset_name and setmembers:
for i, member in enumerate(setmembers):
vol_name = snap_base + str(i)
volumes['members'].append({'name': vol_name, 'copyOf': member})
if data['action'] == "createPhysicalCopy":
new_name = data['parameters'].get('destVolume')
else:
new_name = data['parameters'].get('name')
volume_sets['members'].append({'name': new_name})
resp = flask.make_response(json.dumps(vset), 200)
return resp
throw_error(404, NON_EXISTENT_SET, "volume set doesn't exist")
@app.route('/api/v1/volumes', methods=['POST'])
def create_volumes():
debugRequest(flask.request)
data = json.loads(flask.request.data.decode('utf-8'))
valid_keys = {'name': None, 'cpg': None, 'sizeMiB': None, 'id': None,
'comment': None, 'policies': None, 'snapCPG': None,
'ssSpcAllocWarningPct': None, 'ssSpcAllocLimitPct': None,
'tpvv': None, 'usrSpcAllocWarningPct': None,
'usrSpcAllocLimitPct': None, 'isCopy': None,
'copyOfName': None, 'copyRO': None, 'expirationHours': None,
'retentionHours': None}
for key in list(data.keys()):
if key not in list(valid_keys.keys()):
throw_error(400, INV_INPUT, "Invalid Parameter '%s'" % key)
if 'name' in list(data.keys()):
for vol in volumes['members']:
if vol['name'] == data['name']:
throw_error(409, EXISTENT_VOL,
'The volume already exists.')
if len(data['name']) > 31:
throw_error(400, INV_INPUT_EXCEEDS_LENGTH,
'Invalid Input: String length exceeds limit : Name')
else:
throw_error(400, INV_INPUT,
'No volume name provided.')
if 'sizeMiB' in list(data.keys()):
if data['sizeMiB'] < 256:
throw_error(400, INV_INPUT_EXCEEDS_RANGE,
'Minimum volume size is 256 MiB')
elif data['sizeMiB'] > 16777216:
throw_error(400, TOO_LARGE,
'Volume size is above architectural limit : 16TiB')
if 'id' in list(data.keys()):
for vol in volumes['members']:
if vol['id'] == data['id']:
throw_error(409, EXISTENT_ID,
'Specified volume ID already exists.')
volumes['members'].append(data)
return flask.make_response("", 200)