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wxing1292andGitHub
0cf9a49327
* Separate shard related logic into dedicated struct * Separate mutable state related logic into dedicated struct * Separate mutable state task related logic into dedicated struct * Separate history related logic into dedicated struct * Rename files
68 lines
2.5 KiB
Go
68 lines
2.5 KiB
Go
// The MIT License
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//
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// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
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//
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// Copyright (c) 2020 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package cassandra
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import (
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"fmt"
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"go.temporal.io/server/common/log"
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"go.temporal.io/server/common/log/tag"
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"go.temporal.io/server/common/persistence/nosql/nosqlplugin/cassandra/gocql"
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)
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const cassandraPersistenceName = "cassandra"
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// CreateCassandraKeyspace creates the keyspace using this session for given replica count
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func CreateCassandraKeyspace(s gocql.Session, keyspace string, replicas int, overwrite bool, logger log.Logger) (err error) {
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// if overwrite flag is set, drop the keyspace and create a new one
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if overwrite {
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err = DropCassandraKeyspace(s, keyspace, logger)
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if err != nil {
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logger.Error("drop keyspace error", tag.Error(err))
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return
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}
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}
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err = s.Query(fmt.Sprintf(`CREATE KEYSPACE IF NOT EXISTS %s WITH replication = {
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'class' : 'SimpleStrategy', 'replication_factor' : %d}`, keyspace, replicas)).Exec()
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if err != nil {
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logger.Error("create keyspace error", tag.Error(err))
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return
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}
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logger.Debug("created keyspace", tag.Value(keyspace))
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return
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}
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// DropCassandraKeyspace drops the given keyspace, if it exists
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func DropCassandraKeyspace(s gocql.Session, keyspace string, logger log.Logger) (err error) {
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err = s.Query(fmt.Sprintf("DROP KEYSPACE IF EXISTS %s", keyspace)).Exec()
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if err != nil {
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logger.Error("drop keyspace error", tag.Error(err))
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return
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}
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logger.Debug("dropped keyspace", tag.Value(keyspace))
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return
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}
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