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#
# -------------------------------------------------------------------------
# Copyright (c) 2019 AT&T Intellectual Property
#
# 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.
#
# -------------------------------------------------------------------------
#
"""Song is music for scripts
This is a subclass of music that scripts can use to add an option to override:
add_args - the commandline arguments that Song uses
keyspace - to allow the same script to run vs other databases
hosts table - to allow the same script to run vs other databases on other machines
connect - login may be different for other databases
"""
import argparse
import json
import os
import sys
sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))) # ../../..
from valet.utils.logger import Logger
from valet.engine.db_connect.db_apis.music import Music
def hosts(opts, config):
"""override configs hosts"""
hosts_json = os.path.join(sys.path[-1], "tools", "lib", "hosts.json")
_hosts = json.loads(open(hosts_json).read())
config["music"]["hosts"] = _hosts["music"][opts.env or "dev"]["hosts"]["a"]
if opts.verbose:
print "hosts: " + str(config["music"]["hosts"])
# noinspection PyBroadException
class Song(Music):
"""music but with script helpers"""
Keyspaces = {
"cw": "valet_TestDB123",
"cmw": "valet_cmw",
"pk": "valet_TestDB420",
"pk2": "valetdb2",
"pn": "pn2",
"st": "valet_saisree",
"ist": "valet_IST",
"gj": "valet_TestDB2"
}
Keyspaces.update(dict((v, v) for k, v in Keyspaces.iteritems())) # full name is valid too
def __init__(self, opts, config, logger):
if opts.env:
hosts(opts, config)
self.keyspace = config["db"]["keyspace"]
self.defaultKeyspace = True
if opts.Keyspace:
if opts.Keyspace == "all":
self.keyspace = opts.Keyspace
else:
self.keyspace = Song.Keyspaces[opts.Keyspace]
self.defaultKeyspace = False
if opts.db:
self.keyspace = opts.db
self.defaultKeyspace = False
# TODO cmw: move keyspace into music object, pass in like config["keyspace"] = self.keyspace
super(Song, self).__init__(config, logger)
@staticmethod
def add_args(parser):
"""add common parser arguments"""
default_config = "/opt/config/solver.json"
if not os.path.isfile(default_config):
default_config = os.path.join(sys.path[-1], "config", "solver.json")
valid_keyspaces = Song.Keyspaces.keys()
valid_keyspaces.append("all")
valid_keyspaces_str = "{" + ",".join(valid_keyspaces) + "}"
valid_hosts = ["a1", "a2", "a3", "b3", "ab", "m"]
valid_env = ["dev", "ist", "e2e"]
song_args = parser.add_argument_group("Common Music Arguments")
song_args.add_argument('-env', metavar=valid_env, help='pick set of hosts -deprecated', choices=valid_env)
song_args.add_argument('-host', metavar=valid_hosts, help='pick set of hosts -deprecated', choices=valid_hosts)
ex = song_args.add_mutually_exclusive_group()
ex.add_argument('-Keyspace', metavar=valid_keyspaces_str, help='override configs keyspace with a users', choices=valid_keyspaces)
ex.add_argument('-db', metavar='keyspace_string', help='override keyspace with typed in value')
song_args.add_argument('-config', metavar='file', default=default_config, help="default: " + default_config)
song_args.add_argument('-verbose', action='store_true', help="verbose output")
def create_keyspace(self, keyspace):
"""override creates a keyspace."""
data = {
'replicationInfo': {
"DC2": 3,
"DC1": 3,
"class": "NetworkTopologyStrategy"
},
'durabilityOfWrites': True,
'consistencyInfo': {
'type': 'eventual',
},
}
path = '/keyspaces/%s' % keyspace
try:
self.rest.request(method='post', path=path, data=data)
return 0
except Exception:
# "this exception should be handled here but it's done in music :("
return -1
def main():
parser = argparse.ArgumentParser(description='Extended Music DB.', add_help=False)
Song.add_args(parser)
parser.add_argument("-?", "--help", action="help", help="show this help message and exit")
opts = parser.parse_args()
logger = Logger().get_logger('console')
config = json.loads(open(opts.config).read())
music = Song(opts, config, logger)
print json.dumps(config.get("music"))
print (music.keyspace)
# MAIN
if __name__ == "__main__":
main()
sys.exit(0)
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