|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "bytes" |
| 5 | + "encoding/json" |
| 6 | + "flag" |
| 7 | + "fmt" |
| 8 | + "io/ioutil" |
| 9 | + "os" |
| 10 | + "os/user" |
| 11 | + "path/filepath" |
| 12 | + "strings" |
| 13 | + "time" |
| 14 | + |
| 15 | + "github.com/olekukonko/tablewriter" |
| 16 | + "gopkg.in/yaml.v2" |
| 17 | +) |
| 18 | + |
| 19 | +// ArrayFlags allows you to collect repeated flags |
| 20 | +type ArrayFlags []string |
| 21 | + |
| 22 | +func (a *ArrayFlags) String() string { |
| 23 | + return strings.Join(*a, ",") |
| 24 | +} |
| 25 | + |
| 26 | +// Set implements flags.Value |
| 27 | +func (a *ArrayFlags) Set(value string) error { |
| 28 | + *a = append(*a, value) |
| 29 | + return nil |
| 30 | +} |
| 31 | + |
| 32 | +func env(key, def string) string { |
| 33 | + if val, ok := os.LookupEnv(key); ok { |
| 34 | + return val |
| 35 | + } |
| 36 | + return def |
| 37 | +} |
| 38 | + |
| 39 | +var ( |
| 40 | + token = env("SERVICE_TOKEN", "") |
| 41 | + baseURL = env("BASE_URL", "https://cloud.weave.works") |
| 42 | +) |
| 43 | + |
| 44 | +func usage() { |
| 45 | + fmt.Println(`Usage: |
| 46 | + deploy <image>:<version> Deploy image to your configured env |
| 47 | + list List recent deployments |
| 48 | + config (<filename>) Get (or set) the configured env |
| 49 | + logs <deploy> Show lots for the given deployment`) |
| 50 | +} |
| 51 | + |
| 52 | +func main() { |
| 53 | + if len(os.Args) <= 1 { |
| 54 | + usage() |
| 55 | + os.Exit(1) |
| 56 | + } |
| 57 | + |
| 58 | + c := NewClient(token, baseURL) |
| 59 | + |
| 60 | + switch os.Args[1] { |
| 61 | + case "deploy": |
| 62 | + deploy(c, os.Args[2:]) |
| 63 | + case "list": |
| 64 | + list(c, os.Args[2:]) |
| 65 | + case "config": |
| 66 | + config(c, os.Args[2:]) |
| 67 | + case "logs": |
| 68 | + logs(c, os.Args[2:]) |
| 69 | + case "events": |
| 70 | + events(c, os.Args[2:]) |
| 71 | + case "help": |
| 72 | + usage() |
| 73 | + default: |
| 74 | + usage() |
| 75 | + } |
| 76 | +} |
| 77 | + |
| 78 | +func deploy(c Client, args []string) { |
| 79 | + var ( |
| 80 | + flags = flag.NewFlagSet("", flag.ContinueOnError) |
| 81 | + username = flags.String("u", "", "Username to report to deploy service (default with be current user)") |
| 82 | + services ArrayFlags |
| 83 | + ) |
| 84 | + flag.Var(&services, "service", "Service to update (can be repeated)") |
| 85 | + if err := flags.Parse(args); err != nil { |
| 86 | + usage() |
| 87 | + return |
| 88 | + } |
| 89 | + args = flags.Args() |
| 90 | + if len(args) != 1 { |
| 91 | + usage() |
| 92 | + return |
| 93 | + } |
| 94 | + parts := strings.SplitN(args[0], ":", 2) |
| 95 | + if len(parts) < 2 { |
| 96 | + usage() |
| 97 | + return |
| 98 | + } |
| 99 | + if *username == "" { |
| 100 | + user, err := user.Current() |
| 101 | + if err != nil { |
| 102 | + fmt.Println(err.Error()) |
| 103 | + os.Exit(1) |
| 104 | + } |
| 105 | + *username = user.Username |
| 106 | + } |
| 107 | + deployment := Deployment{ |
| 108 | + ImageName: parts[0], |
| 109 | + Version: parts[1], |
| 110 | + TriggeringUser: *username, |
| 111 | + IntendedServices: services, |
| 112 | + } |
| 113 | + if err := c.Deploy(deployment); err != nil { |
| 114 | + fmt.Println(err.Error()) |
| 115 | + os.Exit(1) |
| 116 | + } |
| 117 | +} |
| 118 | + |
| 119 | +func list(c Client, args []string) { |
| 120 | + var ( |
| 121 | + flags = flag.NewFlagSet("", flag.ContinueOnError) |
| 122 | + since = flags.Duration("since", 7*24*time.Hour, "How far back to fetch results") |
| 123 | + ) |
| 124 | + if err := flags.Parse(args); err != nil { |
| 125 | + usage() |
| 126 | + return |
| 127 | + } |
| 128 | + through := time.Now() |
| 129 | + from := through.Add(-*since) |
| 130 | + deployments, err := c.GetDeployments(from.Unix(), through.Unix()) |
| 131 | + if err != nil { |
| 132 | + fmt.Println(err.Error()) |
| 133 | + os.Exit(1) |
| 134 | + } |
| 135 | + |
| 136 | + table := tablewriter.NewWriter(os.Stdout) |
| 137 | + table.SetHeader([]string{"Created", "ID", "Image", "Version", "State"}) |
| 138 | + table.SetBorder(false) |
| 139 | + table.SetColumnSeparator(" ") |
| 140 | + for _, deployment := range deployments { |
| 141 | + table.Append([]string{ |
| 142 | + deployment.CreatedAt.Format(time.RFC822), |
| 143 | + deployment.ID, |
| 144 | + deployment.ImageName, |
| 145 | + deployment.Version, |
| 146 | + deployment.State, |
| 147 | + }) |
| 148 | + } |
| 149 | + table.Render() |
| 150 | +} |
| 151 | + |
| 152 | +func events(c Client, args []string) { |
| 153 | + var ( |
| 154 | + flags = flag.NewFlagSet("", flag.ContinueOnError) |
| 155 | + since = flags.Duration("since", 7*24*time.Hour, "How far back to fetch results") |
| 156 | + ) |
| 157 | + if err := flags.Parse(args); err != nil { |
| 158 | + usage() |
| 159 | + return |
| 160 | + } |
| 161 | + through := time.Now() |
| 162 | + from := through.Add(-*since) |
| 163 | + events, err := c.GetEvents(from.Unix(), through.Unix()) |
| 164 | + if err != nil { |
| 165 | + fmt.Println(err.Error()) |
| 166 | + os.Exit(1) |
| 167 | + } |
| 168 | + |
| 169 | + fmt.Println("events: ", string(events)) |
| 170 | +} |
| 171 | + |
| 172 | +func loadConfig(filename string) (*Config, error) { |
| 173 | + extension := filepath.Ext(filename) |
| 174 | + var config Config |
| 175 | + buf, err := ioutil.ReadFile(filename) |
| 176 | + if err != nil { |
| 177 | + return nil, err |
| 178 | + } |
| 179 | + if extension == ".yaml" || extension == ".yml" { |
| 180 | + if err := yaml.Unmarshal(buf, &config); err != nil { |
| 181 | + return nil, err |
| 182 | + } |
| 183 | + } else { |
| 184 | + if err := json.NewDecoder(bytes.NewReader(buf)).Decode(&config); err != nil { |
| 185 | + return nil, err |
| 186 | + } |
| 187 | + } |
| 188 | + return &config, nil |
| 189 | +} |
| 190 | + |
| 191 | +func config(c Client, args []string) { |
| 192 | + if len(args) > 1 { |
| 193 | + usage() |
| 194 | + return |
| 195 | + } |
| 196 | + |
| 197 | + if len(args) == 1 { |
| 198 | + config, err := loadConfig(args[0]) |
| 199 | + if err != nil { |
| 200 | + fmt.Println("Error reading config:", err) |
| 201 | + os.Exit(1) |
| 202 | + } |
| 203 | + |
| 204 | + if err := c.SetConfig(config); err != nil { |
| 205 | + fmt.Println(err.Error()) |
| 206 | + os.Exit(1) |
| 207 | + } |
| 208 | + } else { |
| 209 | + config, err := c.GetConfig() |
| 210 | + if err != nil { |
| 211 | + fmt.Println(err.Error()) |
| 212 | + os.Exit(1) |
| 213 | + } |
| 214 | + |
| 215 | + buf, err := yaml.Marshal(config) |
| 216 | + if err != nil { |
| 217 | + fmt.Println(err.Error()) |
| 218 | + os.Exit(1) |
| 219 | + } |
| 220 | + |
| 221 | + fmt.Println(string(buf)) |
| 222 | + } |
| 223 | +} |
| 224 | + |
| 225 | +func logs(c Client, args []string) { |
| 226 | + if len(args) != 1 { |
| 227 | + usage() |
| 228 | + return |
| 229 | + } |
| 230 | + |
| 231 | + output, err := c.GetLogs(args[0]) |
| 232 | + if err != nil { |
| 233 | + fmt.Println(err.Error()) |
| 234 | + os.Exit(1) |
| 235 | + } |
| 236 | + |
| 237 | + fmt.Println(string(output)) |
| 238 | +} |
0 commit comments