github.com/willyham/dosa@v2.3.1-0.20171024181418-1e446d37ee71+incompatible/cmd/dosa/main.go (about) 1 // Copyright (c) 2017 Uber Technologies, Inc. 2 // 3 // Permission is hereby granted, free of charge, to any person obtaining a copy 4 // of this software and associated documentation files (the "Software"), to deal 5 // in the Software without restriction, including without limitation the rights 6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 // copies of the Software, and to permit persons to whom the Software is 8 // furnished to do so, subject to the following conditions: 9 // 10 // The above copyright notice and this permission notice shall be included in 11 // all copies or substantial portions of the Software. 12 // 13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 // THE SOFTWARE. 20 21 package main 22 23 import ( 24 "fmt" 25 "os" 26 27 flags "github.com/jessevdk/go-flags" 28 _ "github.com/uber-go/dosa/connectors/yarpc" 29 ) 30 31 // for testing, we make exit an overridable routine 32 type exiter func(int) 33 34 var exit = os.Exit 35 36 // these are overridden at build-time w/ the -ldflags -X option 37 var ( 38 version = "0.0.0" 39 githash = "master" 40 timestamp = "now" 41 ) 42 43 // BuildInfo reports information about the binary build environment 44 type BuildInfo struct { 45 Version string 46 Githash string 47 Timestamp string 48 } 49 50 // String satisfies Stringer interface 51 func (b BuildInfo) String() string { 52 return fmt.Sprintf("Version:\t%s\nGit Commit:\t%s\nUTC Build Time:\t%s", version, githash, timestamp) 53 } 54 55 // Execute is ran for the version subcommand 56 func (b BuildInfo) Execute(args []string) error { 57 fmt.Printf("%s\n", b) 58 return nil 59 } 60 61 // GlobalOptions are options for all subcommands 62 type GlobalOptions struct { 63 Host string `long:"host" default:"127.0.0.1" description:"The hostname or IP for the gateway."` 64 Port string `short:"p" long:"port" default:"21300" description:"The hostname or IP for the gateway."` 65 Transport string `long:"transport" default:"tchannel" description:"TCP Transport to use. Options: http, tchannel."` 66 ServiceName string `long:"service" description:"The TChannel service name for the gateway."` 67 CallerName callerFlag `long:"caller" default:"dosacli-$USER" description:"Caller will override the default caller name (which is dosacli-$USER)."` 68 Timeout timeFlag `long:"timeout" default:"60s" description:"The timeout for gateway requests. E.g., 100ms, 0.5s, 1s. If no unit is specified, milliseconds are assumed."` 69 Connector string `hidden:"true" long:"connector" default:"yarpc" description:"Name of connector to use"` 70 Version bool `long:"version" description:"Display version info"` 71 } 72 73 var ( 74 options GlobalOptions 75 buildInfo BuildInfo 76 ) 77 78 // OptionsParser holds the global parser 79 80 func main() { 81 buildInfo := &BuildInfo{} 82 OptionsParser := flags.NewParser(&options, flags.PassAfterNonOption|flags.HelpFlag) 83 OptionsParser.ShortDescription = "DOSA CLI - The command-line tool for your DOSA client" 84 OptionsParser.LongDescription = ` 85 dosa manages your schema both in production and development scopes` 86 c, _ := OptionsParser.AddCommand("version", "display build info", "display build info", &BuildInfo{}) 87 88 c, _ = OptionsParser.AddCommand("scope", "commands to manage scope", "create, drop, or truncate development scopes", &ScopeOptions{}) 89 _, _ = c.AddCommand("create", "Create scope", "creates a new scope", &ScopeCreate{}) 90 _, _ = c.AddCommand("drop", "Drop scope", "drops a scope", &ScopeDrop{}) 91 _, _ = c.AddCommand("truncate", "Truncate scope", "truncates a scope", &ScopeTruncate{}) 92 93 c, _ = OptionsParser.AddCommand("schema", "commands to manage schemas", "check or update schemas", &SchemaOptions{}) 94 _, _ = c.AddCommand("check", "Check schema", "check the schema", &SchemaCheck{}) 95 _, _ = c.AddCommand("upsert", "Upsert schema", "insert or update the schema", &SchemaUpsert{}) 96 _, _ = c.AddCommand("dump", "Dump schema", "display the schema in a given format", &SchemaDump{}) 97 _, _ = c.AddCommand("status", "Check schema status", "Check application status of schema", &SchemaStatus{}) 98 99 _, err := OptionsParser.Parse() 100 101 if options.Version { 102 fmt.Fprintf(os.Stdout, "%s\n", buildInfo.String()) 103 options.Version = false // for tests, we leak state between runs 104 exit(0) 105 } 106 107 if err != nil { 108 fmt.Fprintf(os.Stderr, "Error: %s\n", err) 109 exit(1) 110 return 111 } 112 113 exit(0) 114 }