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admin.go
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admin.go
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// Copyright (c) 2021 Uber Technologies, Inc.
// Portions of the Software are attributed to Copyright (c) 2020 Temporal Technologies Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package cassandra
import (
"fmt"
"io/ioutil"
"os"
"strings"
"github.com/uber/cadence/common/config"
"github.com/uber/cadence/common/log/tag"
"github.com/uber/cadence/common/persistence/nosql/nosqlplugin"
"github.com/uber/cadence/common/persistence/nosql/nosqlplugin/cassandra/gocql"
"github.com/uber/cadence/tools/cassandra"
"github.com/uber/cadence/tools/common/schema"
)
const (
testSchemaDir = "schema/cassandra/"
)
var _ nosqlplugin.AdminDB = (*cdb)(nil)
func (db *cdb) SetupTestDatabase(schemaBaseDir string) error {
err := db.createCassandraKeyspace(db.session, db.cfg.Keyspace, 1, true)
if err != nil {
return err
}
if schemaBaseDir == "" {
var err error
schemaBaseDir, err = nosqlplugin.GetDefaultTestSchemaDir(testSchemaDir)
if err != nil {
return err
}
}
err = db.loadSchema([]string{"schema.cql"}, schemaBaseDir)
if err != nil {
return err
}
err = db.loadVisibilitySchema([]string{"schema.cql"}, schemaBaseDir)
if err != nil {
return err
}
return nil
}
// loadSchema from PersistenceTestCluster interface
func (db *cdb) loadSchema(fileNames []string, schemaBaseDir string) error {
workflowSchemaDir := schemaBaseDir + "/cadence"
err := loadCassandraSchema(workflowSchemaDir, fileNames, db.cfg.Hosts, db.cfg.Port, db.cfg.Keyspace, true, nil, db.cfg.ProtoVersion)
if err != nil && !strings.Contains(err.Error(), "AlreadyExists") {
// TODO: should we remove the second condition?
return err
}
return nil
}
// loadVisibilitySchema from PersistenceTestCluster interface
func (db *cdb) loadVisibilitySchema(fileNames []string, schemaBaseDir string) error {
workflowSchemaDir := schemaBaseDir + "/visibility"
err := loadCassandraSchema(workflowSchemaDir, fileNames, db.cfg.Hosts, db.cfg.Port, db.cfg.Keyspace, false, nil, db.cfg.ProtoVersion)
if err != nil && !strings.Contains(err.Error(), "AlreadyExists") {
// TODO: should we remove the second condition?
return err
}
return nil
}
func (db *cdb) TeardownTestDatabase() error {
err := db.dropCassandraKeyspace(db.session, db.cfg.Keyspace)
if err != nil {
return err
}
db.session.Close()
return nil
}
// createCassandraKeyspace creates the keyspace using this session for given replica count
func (db *cdb) createCassandraKeyspace(s gocql.Session, keyspace string, replicas int, overwrite bool) (err error) {
// if overwrite flag is set, drop the keyspace and create a new one
if overwrite {
err = db.dropCassandraKeyspace(s, keyspace)
if err != nil {
db.logger.Error(`drop keyspace error`, tag.Error(err))
return
}
}
err = s.Query(fmt.Sprintf(`CREATE KEYSPACE IF NOT EXISTS %s WITH replication = {
'class' : 'SimpleStrategy', 'replication_factor' : %d}`, keyspace, replicas)).Exec()
if err != nil {
db.logger.Error(`create keyspace error`, tag.Error(err))
return
}
db.logger.Debugf("created namespace %s with replication factor %d", keyspace, replicas)
return
}
// dropCassandraKeyspace drops the given keyspace, if it exists
func (db *cdb) dropCassandraKeyspace(s gocql.Session, keyspace string) (err error) {
err = s.Query(fmt.Sprintf("DROP KEYSPACE IF EXISTS %s", keyspace)).Exec()
if err != nil {
db.logger.Error(`drop keyspace error`, tag.Error(err))
return
}
db.logger.Debugf("dropped namespace %s", keyspace)
return
}
// loadCassandraSchema loads the schema from the given .cql files on this keyspace
func loadCassandraSchema(
dir string,
fileNames []string,
hosts string,
port int,
keyspace string,
override bool,
tls *config.TLS,
protoVersion int,
) (err error) {
tmpFile, err := ioutil.TempFile("", "_cadence_")
if err != nil {
return fmt.Errorf("error creating tmp file:%v", err.Error())
}
defer os.Remove(tmpFile.Name())
for _, file := range fileNames {
// Flagged for potential file inclusion via variable. No user supplied input is included here - this just reads
// schema files.
// #nosec
content, err := ioutil.ReadFile(dir + "/" + file)
if err != nil {
return fmt.Errorf("error reading contents of file %v:%v", file, err.Error())
}
_, err = tmpFile.WriteString(string(content) + "\n")
if err != nil {
return fmt.Errorf("error writing string to file, err: %v", err.Error())
}
}
tmpFile.Close()
config := &cassandra.SetupSchemaConfig{
CQLClientConfig: cassandra.CQLClientConfig{
Hosts: hosts,
Port: port,
Keyspace: keyspace,
TLS: tls,
ProtoVersion: protoVersion,
},
SetupConfig: schema.SetupConfig{
SchemaFilePath: tmpFile.Name(),
Overwrite: override,
DisableVersioning: true,
},
}
err = cassandra.SetupSchema(config)
if err != nil {
err = fmt.Errorf("error loading schema:%v", err.Error())
}
return
}