2015-02-14 23:33:21 +00:00
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package cmd
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import (
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2015-08-30 02:24:16 +01:00
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"flag"
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"fmt"
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2015-05-20 23:39:11 +01:00
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"io"
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2015-04-27 22:21:56 +01:00
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"os"
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2015-05-16 00:34:02 +01:00
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"strings"
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2015-04-27 22:21:56 +01:00
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"text/tabwriter"
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"text/template"
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2015-02-14 23:33:21 +00:00
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2015-04-27 22:21:56 +01:00
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"github.com/codegangsta/cli"
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2015-05-16 00:34:02 +01:00
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"github.com/myodc/go-micro/broker"
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2015-05-21 23:06:01 +01:00
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"github.com/myodc/go-micro/client"
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2015-05-05 19:05:06 +01:00
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"github.com/myodc/go-micro/registry"
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"github.com/myodc/go-micro/server"
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2015-05-20 22:57:19 +01:00
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"github.com/myodc/go-micro/transport"
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2015-05-23 20:04:16 +01:00
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// brokers
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"github.com/myodc/go-micro/broker/http"
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"github.com/myodc/go-micro/broker/nats"
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2015-05-28 13:33:04 +01:00
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"github.com/myodc/go-micro/broker/rabbitmq"
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2015-05-23 20:04:16 +01:00
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// registries
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"github.com/myodc/go-micro/registry/consul"
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"github.com/myodc/go-micro/registry/etcd"
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2015-05-23 20:04:16 +01:00
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"github.com/myodc/go-micro/registry/kubernetes"
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// transport
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thttp "github.com/myodc/go-micro/transport/http"
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tnats "github.com/myodc/go-micro/transport/nats"
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trmq "github.com/myodc/go-micro/transport/rabbitmq"
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2015-02-14 23:33:21 +00:00
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)
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var (
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Flags = []cli.Flag{
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cli.StringFlag{
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Name: "server_name",
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EnvVar: "MICRO_SERVER_NAME",
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Usage: "Name of the server. go.micro.srv.example",
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},
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cli.StringFlag{
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Name: "server_id",
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EnvVar: "MICRO_SERVER_ID",
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Usage: "Id of the server. Auto-generated if not specified",
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},
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2015-05-16 00:34:02 +01:00
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cli.StringFlag{
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Name: "server_address",
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EnvVar: "MICRO_SERVER_ADDRESS",
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Value: ":0",
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Usage: "Bind address for the server. 127.0.0.1:8080",
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},
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cli.StringSliceFlag{
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Name: "server_metadata",
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EnvVar: "MICRO_SERVER_METADATA",
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Value: &cli.StringSlice{},
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Usage: "A list of key-value pairs defining metadata. version=1.0.0",
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},
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cli.StringFlag{
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Name: "broker",
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EnvVar: "MICRO_BROKER",
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Value: "http",
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Usage: "Broker for pub/sub. http, nats, etc",
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},
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cli.StringFlag{
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Name: "broker_address",
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EnvVar: "MICRO_BROKER_ADDRESS",
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Usage: "Comma-separated list of broker addresses",
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},
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cli.StringFlag{
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Name: "registry",
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EnvVar: "MICRO_REGISTRY",
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Value: "consul",
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Usage: "Registry for discovery. kubernetes, consul, etc",
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},
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cli.StringFlag{
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Name: "registry_address",
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EnvVar: "MICRO_REGISTRY_ADDRESS",
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Usage: "Comma-separated list of registry addresses",
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},
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2015-05-20 22:57:19 +01:00
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cli.StringFlag{
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Name: "transport",
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EnvVar: "MICRO_TRANSPORT",
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Value: "http",
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Usage: "Transport mechanism used; http, rabbitmq, etc",
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},
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cli.StringFlag{
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Name: "transport_address",
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EnvVar: "MICRO_TRANSPORT_ADDRESS",
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Usage: "Comma-separated list of transport addresses",
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},
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2015-08-30 02:24:16 +01:00
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// logging flags
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cli.BoolFlag{
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Name: "logtostderr",
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Usage: "log to standard error instead of files",
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},
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cli.BoolFlag{
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Name: "alsologtostderr",
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Usage: "log to standard error as well as files",
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},
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cli.StringFlag{
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Name: "log_dir",
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Usage: "log files will be written to this directory instead of the default temporary directory",
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},
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cli.StringFlag{
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Name: "stderrthreshold",
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Usage: "logs at or above this threshold go to stderr",
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},
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cli.StringFlag{
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Name: "v",
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Usage: "log level for V logs",
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},
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cli.StringFlag{
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Name: "vmodule",
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Usage: "comma-separated list of pattern=N settings for file-filtered logging",
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},
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cli.StringFlag{
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Name: "log_backtrace_at",
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Usage: "when logging hits line file:N, emit a stack trace",
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},
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2015-04-27 22:21:56 +01:00
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}
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2015-02-14 23:33:21 +00:00
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2015-06-01 18:55:27 +01:00
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Brokers = map[string]func([]string, ...broker.Option) broker.Broker{
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"http": http.NewBroker,
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"nats": nats.NewBroker,
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"rabbitmq": rabbitmq.NewBroker,
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}
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2015-05-16 00:34:02 +01:00
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2015-06-01 18:55:27 +01:00
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Registries = map[string]func([]string, ...registry.Option) registry.Registry{
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"kubernetes": kubernetes.NewRegistry,
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"consul": consul.NewRegistry,
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"etcd": etcd.NewRegistry,
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2015-05-16 00:34:02 +01:00
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}
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2015-06-01 18:55:27 +01:00
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Transports = map[string]func([]string, ...transport.Option) transport.Transport{
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"http": thttp.NewTransport,
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"rabbitmq": trmq.NewTransport,
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"nats": tnats.NewTransport,
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}
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)
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2015-02-14 23:33:21 +00:00
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2015-06-01 18:55:27 +01:00
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func Setup(c *cli.Context) error {
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if b, ok := Brokers[c.String("broker")]; ok {
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broker.DefaultBroker = b(strings.Split(c.String("broker_address"), ","))
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2015-02-14 23:33:21 +00:00
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}
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2015-06-01 18:55:27 +01:00
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if r, ok := Registries[c.String("registry")]; ok {
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registry.DefaultRegistry = r(strings.Split(c.String("registry_address"), ","))
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}
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2015-05-20 22:57:19 +01:00
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2015-06-01 18:55:27 +01:00
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if t, ok := Transports[c.String("transport")]; ok {
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transport.DefaultTransport = t(strings.Split(c.String("transport_address"), ","))
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2015-02-14 23:33:21 +00:00
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}
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2015-04-27 22:21:56 +01:00
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2015-05-26 22:39:48 +01:00
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metadata := make(map[string]string)
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for _, d := range c.StringSlice("server_metadata") {
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var key, val string
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parts := strings.Split(d, "=")
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key = parts[0]
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if len(parts) > 1 {
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val = strings.Join(parts[1:], "=")
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}
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metadata[key] = val
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}
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server.DefaultServer = server.NewServer(
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server.Name(c.String("server_name")),
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server.Id(c.String("server_id")),
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server.Address(c.String("server_address")),
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server.Metadata(metadata),
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)
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2015-05-23 20:04:16 +01:00
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client.DefaultClient = client.NewClient()
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2015-08-30 21:22:35 +01:00
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os.Args = os.Args[:1]
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2015-08-30 02:24:16 +01:00
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flag.Set("logtostderr", fmt.Sprintf("%v", c.Bool("logtostderr")))
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flag.Set("alsologtostderr", fmt.Sprintf("%v", c.Bool("alsologtostderr")))
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flag.Set("stderrthreshold", c.String("stderrthreshold"))
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flag.Set("log_backtrace_at", c.String("log_backtrace_at"))
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flag.Set("log_dir", c.String("log_dir"))
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flag.Set("vmodule", c.String("vmodule"))
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flag.Set("v", c.String("v"))
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2015-08-30 21:22:35 +01:00
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2015-08-30 02:24:16 +01:00
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flag.Parse()
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2015-05-21 23:06:01 +01:00
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2015-04-27 22:21:56 +01:00
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return nil
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}
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func Init() {
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cli.AppHelpTemplate = `
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GLOBAL OPTIONS:
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{{range .Flags}}{{.}}
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{{end}}
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`
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2015-05-20 23:39:11 +01:00
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cli.HelpPrinter = func(writer io.Writer, templ string, data interface{}) {
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2015-04-27 22:21:56 +01:00
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w := tabwriter.NewWriter(os.Stdout, 0, 8, 1, '\t', 0)
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t := template.Must(template.New("help").Parse(templ))
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err := t.Execute(w, data)
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if err != nil {
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panic(err)
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}
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w.Flush()
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os.Exit(2)
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}
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app := cli.NewApp()
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app.HideVersion = true
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app.Usage = "a go micro app"
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app.Action = func(c *cli.Context) {}
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app.Before = Setup
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app.Flags = Flags
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app.RunAndExitOnError()
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2015-02-14 23:33:21 +00:00
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}
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