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main.go
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// Copyright (c) 2017 Uber 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 (
"os"
"github.com/urfave/cli"
"github.com/uber/cadence/common/persistence/nosql/nosqlplugin/cassandra/gocql"
"github.com/uber/cadence/tools/common/schema"
)
// RunTool runs the cadence-cassandra-tool command line tool
func RunTool(args []string) error {
app := BuildCLIOptions()
return app.Run(args)
}
// SetupSchema setups the cassandra schema
func SetupSchema(config *SetupSchemaConfig) error {
if err := validateCQLClientConfig(&config.CQLClientConfig); err != nil {
return err
}
db, err := NewCQLClient(&config.CQLClientConfig, gocql.All)
if err != nil {
return err
}
return schema.SetupFromConfig(&config.SetupConfig, db)
}
// root handler for all cli commands
func cliHandler(c *cli.Context, handler func(c *cli.Context) error) {
quiet := c.GlobalBool(schema.CLIOptQuiet)
err := handler(c)
if err != nil && !quiet {
os.Exit(1)
}
}
func BuildCLIOptions() *cli.App {
app := cli.NewApp()
app.Name = "cadence-cassandra-tool"
app.Usage = "Command line tool for cadence cassandra operations"
app.Version = "0.0.1"
app.Flags = []cli.Flag{
cli.StringFlag{
Name: schema.CLIFlagEndpoint,
Value: "127.0.0.1",
Usage: "hostname or ip address of cassandra host to connect to",
EnvVar: "CASSANDRA_HOST",
},
cli.IntFlag{
Name: schema.CLIFlagPort,
Value: DefaultCassandraPort,
Usage: "Port of cassandra host to connect to",
EnvVar: "CASSANDRA_DB_PORT",
},
cli.StringFlag{
Name: schema.CLIFlagUser,
Value: "",
Usage: "User name used for authentication for connecting to cassandra host",
EnvVar: "CASSANDRA_USER",
},
cli.StringFlag{
Name: schema.CLIFlagPassword,
Value: "",
Usage: "Password used for authentication for connecting to cassandra host",
EnvVar: "CASSANDRA_PASSWORD",
},
cli.StringSliceFlag{
Name: schema.CLIFlagAllowedAuthenticators,
Value: &cli.StringSlice{""},
Usage: "Set allowed authenticators for servers with custom authenticators",
},
cli.IntFlag{
Name: schema.CLIFlagTimeout,
Value: DefaultTimeout,
Usage: "request Timeout in seconds used for cql client",
EnvVar: "CASSANDRA_TIMEOUT",
},
cli.IntFlag{
Name: schema.CLIOptConnectTimeout,
Value: DefaultConnectTimeout,
Usage: "Connection Timeout in seconds used for cql client",
},
cli.StringFlag{
Name: schema.CLIFlagKeyspace,
Value: "cadence",
Usage: "name of the cassandra Keyspace",
EnvVar: "CASSANDRA_KEYSPACE",
},
cli.BoolFlag{
Name: schema.CLIFlagQuiet,
Usage: "Don't set exit status to 1 on error",
},
cli.IntFlag{
Name: schema.CLIFlagProtoVersion,
Usage: "Protocol Version to connect to cassandra host",
EnvVar: "CASSANDRA_PROTO_VERSION",
},
cli.BoolFlag{
Name: schema.CLIFlagEnableTLS,
Usage: "enable TLS",
EnvVar: "CASSANDRA_ENABLE_TLS",
},
cli.StringFlag{
Name: schema.CLIFlagTLSCertFile,
Usage: "TLS cert file",
EnvVar: "CASSANDRA_TLS_CERT",
},
cli.StringFlag{
Name: schema.CLIFlagTLSKeyFile,
Usage: "TLS key file",
EnvVar: "CASSANDRA_TLS_KEY",
},
cli.StringFlag{
Name: schema.CLIFlagTLSCaFile,
Usage: "TLS CA file",
EnvVar: "CASSANDRA_TLS_CA",
},
cli.BoolFlag{
Name: schema.CLIFlagTLSEnableHostVerification,
Usage: "TLS host verification",
EnvVar: "CASSANDRA_TLS_VERIFY_HOST",
},
cli.StringFlag{
Name: schema.CLIFlagTLSServerName,
Usage: "TLS ServerName",
EnvVar: "CASSANDRA_TLS_SERVER_NAME",
},
}
app.Commands = []cli.Command{
{
Name: "setup-schema",
Aliases: []string{"setup"},
Usage: "setup initial version of cassandra schema",
Flags: []cli.Flag{
cli.StringFlag{
Name: schema.CLIFlagVersion,
Usage: "initial version of the schema, cannot be used with disable-versioning",
},
cli.StringFlag{
Name: schema.CLIFlagSchemaFile,
Usage: "path to the .cql schema file; if un-specified, will just setup versioning tables",
},
cli.BoolFlag{
Name: schema.CLIFlagDisableVersioning,
Usage: "disable setup of schema versioning",
},
cli.BoolFlag{
Name: schema.CLIFlagOverwrite,
Usage: "drop all existing tables before setting up new schema",
},
},
Action: func(c *cli.Context) {
cliHandler(c, setupSchema)
},
},
{
Name: "update-schema",
Aliases: []string{"update"},
Usage: "update cassandra schema to a specific version",
Flags: []cli.Flag{
cli.StringFlag{
Name: schema.CLIFlagTargetVersion,
Usage: "target version for the schema update, defaults to latest",
},
cli.StringFlag{
Name: schema.CLIFlagSchemaDir,
Usage: "path to directory containing versioned schema",
},
cli.BoolFlag{
Name: schema.CLIFlagDryrun,
Usage: "do a dryrun",
},
},
Action: func(c *cli.Context) {
cliHandler(c, updateSchema)
},
},
{
Name: "create-Keyspace",
Aliases: []string{"create"},
Usage: "creates a Keyspace with simple strategy. If datacenter is provided, will use network topology strategy",
Flags: []cli.Flag{
cli.StringFlag{
Name: schema.CLIFlagKeyspace,
Usage: "name of the Keyspace",
},
cli.StringFlag{
Name: schema.CLIFlagDatacenter,
Value: "",
Usage: "name of the cassandra datacenter, used when creating the keyspace with network topology strategy",
},
cli.IntFlag{
Name: schema.CLIFlagReplicationFactor,
Value: 1,
Usage: "replication factor for the Keyspace",
},
},
Action: func(c *cli.Context) {
cliHandler(c, createKeyspace)
},
},
}
return app
}