Server and client stubs.
Implemented HTTP server with configuration getting stub. Implemented CLI client with configuration getting stub.
This commit is contained in:
parent
4d79c8da4b
commit
83a8694061
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*DS_Store*
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@ -1,6 +1,6 @@
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# Giredore
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**Giredore** is an utility that does go-import redirects right.
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**Giredore** is an utility that does go-import redirects right. Main idea of this project is to provide easy-to-use yet powerful tool for Go developers to serve they packages right and help them with getting nice and very static URLs for their packages.
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## What it able to do
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package main
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import (
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// stdlib
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"os"
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// local
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"sources.dev.pztrn.name/pztrn/giredore/domains/client/v1"
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"sources.dev.pztrn.name/pztrn/giredore/internal/logger"
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// other
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"github.com/teris-io/cli"
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)
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func main() {
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config := cli.NewCommand("configuration", "work with giredore server configuration").
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WithShortcut("conf").
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WithCommand(
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cli.NewCommand("get", "gets and prints out current giredore server configuration").
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WithAction(func(args []string, options map[string]string) int {
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logger.Initialize()
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clientv1.Initialize()
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clientv1.GetConfiguration(options)
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return 0
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}),
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)
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app := cli.New("giredore server controlling utility").
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WithOption(
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cli.NewOption("server", "giredore server address"),
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).
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WithCommand(config)
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os.Exit(app.Run(os.Args, os.Stdout))
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}
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package main
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import (
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// stdlib
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"os"
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"os/signal"
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"syscall"
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// local
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"sources.dev.pztrn.name/pztrn/giredore/domains/server/v1"
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"sources.dev.pztrn.name/pztrn/giredore/internal/configuration"
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"sources.dev.pztrn.name/pztrn/giredore/internal/httpserver"
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"sources.dev.pztrn.name/pztrn/giredore/internal/logger"
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)
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func main() {
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logger.Initialize()
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logger.Logger.Info().Msg("Starting giredore server...")
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configuration.Initialize()
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httpserver.Initialize()
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serverv1.Initialize()
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httpserver.Start()
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logger.Logger.Info().Msg("giredore server is ready")
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// CTRL+C handler.
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signalHandler := make(chan os.Signal, 1)
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shutdownDone := make(chan bool, 1)
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signal.Notify(signalHandler, os.Interrupt, syscall.SIGTERM)
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go func() {
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<-signalHandler
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httpserver.Shutdown()
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shutdownDone <- true
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}()
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<-shutdownDone
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os.Exit(0)
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}
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package clientv1
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import (
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// local
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"sources.dev.pztrn.name/pztrn/giredore/internal/requester"
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)
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func GetConfiguration(options map[string]string) {
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url := "http://" + options["server"] + "/_api/configuration"
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log.Info().Msg("Getting configuration from giredore server...")
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data, err := requester.Get(url)
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if err != nil {
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log.Fatal().Err(err).Msg("Failed to get configuration from giredore server!")
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}
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log.Debug().Msg("Got data: " + string(data))
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}
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package clientv1
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import (
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// local
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"sources.dev.pztrn.name/pztrn/giredore/internal/logger"
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"sources.dev.pztrn.name/pztrn/giredore/internal/requester"
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// other
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"github.com/rs/zerolog"
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)
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var (
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log zerolog.Logger
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)
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func Initialize() {
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log = logger.Logger.With().Str("type", "domain").Str("package", "client").Int("version", 1).Logger()
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log.Info().Msg("Initializing...")
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requester.Initialize()
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}
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package serverv1
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import (
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// stdlib
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"net/http"
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// other
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"github.com/labstack/echo"
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)
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// This function responsible for getting runtime configuration.
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func configurationGET(ec echo.Context) error {
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return ec.JSON(http.StatusOK, map[string]string{"result": "success"})
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}
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package serverv1
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import (
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// local
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"sources.dev.pztrn.name/pztrn/giredore/internal/httpserver"
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"sources.dev.pztrn.name/pztrn/giredore/internal/logger"
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// other
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"github.com/rs/zerolog"
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)
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var (
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log zerolog.Logger
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)
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func Initialize() {
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log = logger.Logger.With().Str("type", "domain").Str("package", "server").Int("version", 1).Logger()
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log.Info().Msg("Initializing...")
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httpserver.Srv.GET("/_api/configuration", configurationGET)
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}
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module sources.dev.pztrn.name/pztrn/giredore
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go 1.13
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require (
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github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
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github.com/labstack/echo v3.3.10+incompatible
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github.com/labstack/gommon v0.3.0 // indirect
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github.com/rs/zerolog v1.15.0
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github.com/teris-io/cli v1.0.1
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github.com/vrischmann/envconfig v1.2.0
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)
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github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
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github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
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github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
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github.com/labstack/echo v3.3.10+incompatible h1:pGRcYk231ExFAyoAjAfD85kQzRJCRI8bbnE7CX5OEgg=
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github.com/labstack/echo v3.3.10+incompatible/go.mod h1:0INS7j/VjnFxD4E2wkz67b8cVwCLbBmJyDaka6Cmk1s=
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github.com/labstack/gommon v0.3.0 h1:JEeO0bvc78PKdyHxloTKiF8BD5iGrH8T6MSeGvSgob0=
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github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
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github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
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github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
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github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
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github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg=
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github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ=
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github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
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github.com/rs/zerolog v1.15.0 h1:uPRuwkWF4J6fGsJ2R0Gn2jB1EQiav9k3S6CSdygQJXY=
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github.com/rs/zerolog v1.15.0/go.mod h1:xYTKnLHcpfU2225ny5qZjxnj9NvkumZYjJHlAThCjNc=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
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github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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github.com/teris-io/cli v1.0.1 h1:J6jnVHC552uqx7zT+Ux0++tIvLmJQULqxVhCid2u/Gk=
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github.com/teris-io/cli v1.0.1/go.mod h1:V9nVD5aZ873RU/tQXLSXO8FieVPQhQvuNohsdsKXsGw=
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github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
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github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
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github.com/valyala/fasttemplate v1.0.1 h1:tY9CJiPnMXf1ERmG2EyK7gNUd+c6RKGD0IfU8WdUSz8=
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github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
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github.com/vrischmann/envconfig v1.2.0 h1:5/u4fI34/g3m0SdTQj/6f3r640jv9E5+yTXIZOWsxk0=
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github.com/vrischmann/envconfig v1.2.0/go.mod h1:c5DuUlkzfsnspy1g7qiqryPCsW+NjsrLsYq4zhwsoHo=
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github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
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golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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golang.org/x/tools v0.0.0-20190425163242-31fd60d6bfdc/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
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gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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@ -0,0 +1,22 @@
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package configuration
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import (
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// other
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"github.com/vrischmann/envconfig"
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)
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type config struct {
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HTTP struct {
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Listen string `envconfig:"default=127.0.0.1:62222"`
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WaitForSeconds int `envconfig:"default=10"`
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}
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}
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// Initialize loads configuration into memory.
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func (cf *config) Initialize() {
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log.Info().Msg("Loading configuration...")
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_ = envconfig.Init(cf)
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log.Info().Msgf("Configuration parsed: %+v", cf)
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}
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@ -0,0 +1,25 @@
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package configuration
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import (
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// local
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"sources.dev.pztrn.name/pztrn/giredore/internal/logger"
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// other
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"github.com/rs/zerolog"
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)
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var (
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log zerolog.Logger
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loggerInitialized bool
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Cfg *config
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)
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func Initialize() {
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log = logger.Logger.With().Str("type", "internal").Str("package", "configuration").Logger()
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loggerInitialized = true
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log.Info().Msg("Initializing...")
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Cfg = &config{}
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Cfg.Initialize()
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}
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@ -0,0 +1,107 @@
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package httpserver
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import (
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// stdlib
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"context"
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"io/ioutil"
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"net/http"
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"strings"
|
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"time"
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|
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// local
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"sources.dev.pztrn.name/pztrn/giredore/internal/configuration"
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"sources.dev.pztrn.name/pztrn/giredore/internal/logger"
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|
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// other
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"github.com/labstack/echo"
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"github.com/labstack/echo/middleware"
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"github.com/rs/zerolog"
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)
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var (
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log zerolog.Logger
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|
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Srv *echo.Echo
|
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)
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|
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func Initialize() {
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log = logger.Logger.With().Str("type", "internal").Str("package", "httpserver").Logger()
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log.Info().Msg("Initializing...")
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Srv = echo.New()
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Srv.Use(middleware.Recover())
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Srv.Use(requestLogger())
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Srv.DisableHTTP2 = true
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Srv.HideBanner = true
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Srv.HidePort = true
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Srv.GET("/_internal/waitForOnline", waitForHTTPServerToBeUpHandler)
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}
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// Shutdown stops HTTP server. Returns true on success and false on failure.
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func Shutdown() {
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log.Info().Msg("Shutting down HTTP server...")
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err := Srv.Shutdown(context.Background())
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if err != nil {
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log.Fatal().Err(err).Msg("Failed to stop HTTP server")
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}
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log.Info().Msg("HTTP server shutted down")
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|
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}
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// Start starts HTTP server and checks that server is ready to process
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// requests. Returns true on success and false on failure.
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func Start() {
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log.Info().Str("address", configuration.Cfg.HTTP.Listen).Msg("Starting HTTP server...")
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|
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go func() {
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err := Srv.Start(configuration.Cfg.HTTP.Listen)
|
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if !strings.Contains(err.Error(), "Server closed") {
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log.Fatal().Err(err).Msg("HTTP server critial error occured")
|
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}
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}()
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|
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// Check that HTTP server was started.
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httpc := &http.Client{Timeout: time.Second * 1}
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checks := 0
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for {
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checks++
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if checks >= configuration.Cfg.HTTP.WaitForSeconds {
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log.Fatal().Int("seconds passed", checks).Msg("HTTP server isn't up")
|
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}
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time.Sleep(time.Second * 1)
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resp, err := httpc.Get("http://" + configuration.Cfg.HTTP.Listen + "/_internal/waitForOnline")
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if err != nil {
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log.Debug().Err(err).Msg("HTTP error occured, HTTP server isn't ready, waiting...")
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continue
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}
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response, err := ioutil.ReadAll(resp.Body)
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resp.Body.Close()
|
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if err != nil {
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log.Debug().Err(err).Msg("Failed to read response body, HTTP server isn't ready, waiting...")
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continue
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}
|
||||
log.Debug().Str("status", resp.Status).Int("body length", len(response)).Msg("HTTP response received")
|
||||
|
||||
if resp.StatusCode == http.StatusOK {
|
||||
if len(response) == 0 {
|
||||
log.Debug().Msg("Response is empty, HTTP server isn't ready, waiting...")
|
||||
continue
|
||||
}
|
||||
log.Debug().Int("status code", resp.StatusCode).Msgf("Response: %+v", string(response))
|
||||
if len(response) == 17 {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
log.Info().Msg("HTTP server is ready to process requests")
|
||||
}
|
||||
|
||||
func waitForHTTPServerToBeUpHandler(ec echo.Context) error {
|
||||
response := map[string]string{
|
||||
"error": "None",
|
||||
}
|
||||
return ec.JSON(200, response)
|
||||
}
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
package httpserver
|
||||
|
||||
import (
|
||||
// other
|
||||
"github.com/labstack/echo"
|
||||
)
|
||||
|
||||
func requestLogger() echo.MiddlewareFunc {
|
||||
return func(next echo.HandlerFunc) echo.HandlerFunc {
|
||||
return func(ec echo.Context) error {
|
||||
log.Info().
|
||||
Str("From", ec.RealIP()).
|
||||
Str("To", ec.Request().Host).
|
||||
Str("Method", ec.Request().Method).
|
||||
Str("Path", ec.Request().URL.Path).
|
||||
Int64("Length", ec.Request().ContentLength).
|
||||
Str("UA", ec.Request().UserAgent()).
|
||||
Msg("HTTP request")
|
||||
|
||||
_ = next(ec)
|
||||
return nil
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
package logger
|
||||
|
||||
import (
|
||||
// stdlib
|
||||
"fmt"
|
||||
"os"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
// other
|
||||
"github.com/rs/zerolog"
|
||||
)
|
||||
|
||||
var (
|
||||
Logger zerolog.Logger
|
||||
SuperVerbosive bool
|
||||
|
||||
loggerInitialized bool
|
||||
)
|
||||
|
||||
// Initialize initializes zerolog with proper formatting and log level.
|
||||
func Initialize() {
|
||||
// Check environment for logger level.
|
||||
// Defaulting to INFO.
|
||||
loggerLevel, loggerLevelFound := os.LookupEnv("LOGGER_LEVEL")
|
||||
if loggerLevelFound {
|
||||
fmt.Println("Setting logger level to:", loggerLevel)
|
||||
switch strings.ToUpper(loggerLevel) {
|
||||
case "DEBUG":
|
||||
zerolog.SetGlobalLevel(zerolog.DebugLevel)
|
||||
case "INFO":
|
||||
zerolog.SetGlobalLevel(zerolog.InfoLevel)
|
||||
case "WARN":
|
||||
zerolog.SetGlobalLevel(zerolog.WarnLevel)
|
||||
case "ERROR":
|
||||
zerolog.SetGlobalLevel(zerolog.ErrorLevel)
|
||||
case "FATAL":
|
||||
zerolog.SetGlobalLevel(zerolog.FatalLevel)
|
||||
default:
|
||||
fmt.Println("Invalid logger level passed:", loggerLevel)
|
||||
fmt.Println("Fofcing INFO")
|
||||
zerolog.SetGlobalLevel(zerolog.InfoLevel)
|
||||
}
|
||||
} else {
|
||||
fmt.Println("Setting logger level to: info")
|
||||
zerolog.SetGlobalLevel(zerolog.InfoLevel)
|
||||
}
|
||||
|
||||
output := zerolog.ConsoleWriter{Out: os.Stdout, NoColor: false, TimeFormat: time.RFC3339}
|
||||
output.FormatLevel = func(i interface{}) string {
|
||||
var v string
|
||||
if ii, ok := i.(string); ok {
|
||||
ii = strings.ToUpper(ii)
|
||||
switch ii {
|
||||
case "DEBUG":
|
||||
v = fmt.Sprintf("\x1b[30m%-5s\x1b[0m", ii)
|
||||
case "ERROR":
|
||||
v = fmt.Sprintf("\x1b[31m%-5s\x1b[0m", ii)
|
||||
case "FATAL":
|
||||
v = fmt.Sprintf("\x1b[35m%-5s\x1b[0m", ii)
|
||||
case "INFO":
|
||||
v = fmt.Sprintf("\x1b[32m%-5s\x1b[0m", ii)
|
||||
case "PANIC":
|
||||
v = fmt.Sprintf("\x1b[36m%-5s\x1b[0m", ii)
|
||||
case "WARN":
|
||||
v = fmt.Sprintf("\x1b[33m%-5s\x1b[0m", ii)
|
||||
default:
|
||||
v = ii
|
||||
}
|
||||
}
|
||||
return fmt.Sprintf("| %s |", v)
|
||||
}
|
||||
|
||||
Logger = zerolog.New(output).With().Timestamp().Logger()
|
||||
loggerInitialized = true
|
||||
}
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
package requester
|
||||
|
||||
import (
|
||||
// stdlib
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
|
||||
// local
|
||||
"sources.dev.pztrn.name/pztrn/giredore/internal/logger"
|
||||
|
||||
// other
|
||||
"github.com/rs/zerolog"
|
||||
)
|
||||
|
||||
var (
|
||||
log zerolog.Logger
|
||||
)
|
||||
|
||||
func Initialize() {
|
||||
log = logger.Logger.With().Str("type", "internal").Str("package", "requester").Logger()
|
||||
log.Info().Msg("Initializing...")
|
||||
}
|
||||
|
||||
func execRequest(method string, url string, data map[string]string) ([]byte, error) {
|
||||
log.Debug().Str("method", method).Str("URL", url).Msg("Trying to execute HTTP request...")
|
||||
|
||||
httpClient := getHTTPClient()
|
||||
|
||||
// Compose HTTP request.
|
||||
// ToDo: POST/PUT/other methods that require body.
|
||||
httpReq, err := http.NewRequest(method, url, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
response, err1 := httpClient.Do(httpReq)
|
||||
if err1 != nil {
|
||||
return nil, err1
|
||||
}
|
||||
|
||||
bodyBytes, err2 := ioutil.ReadAll(response.Body)
|
||||
if err2 != nil {
|
||||
return nil, err2
|
||||
}
|
||||
response.Body.Close()
|
||||
|
||||
log.Debug().Int("response body length (bytes)", len(bodyBytes)).Msg("Got response")
|
||||
|
||||
return bodyBytes, nil
|
||||
}
|
||||
|
||||
func Get(url string) ([]byte, error) {
|
||||
return execRequest("GET", url, nil)
|
||||
}
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
package requester
|
||||
|
||||
import (
|
||||
// stdlib
|
||||
"net"
|
||||
"net/http"
|
||||
"time"
|
||||
)
|
||||
|
||||
func getHTTPClient() *http.Client {
|
||||
c := &http.Client{
|
||||
Transport: &http.Transport{
|
||||
// ToDo: configurable.
|
||||
ExpectContinueTimeout: time.Second * 5,
|
||||
DialContext: (&net.Dialer{
|
||||
// ToDo: configurable.
|
||||
Timeout: time.Second * 5,
|
||||
}).DialContext,
|
||||
// ToDo: configurable.
|
||||
ResponseHeaderTimeout: time.Second * 5,
|
||||
// ToDo: configurable.
|
||||
TLSHandshakeTimeout: time.Second * 10,
|
||||
},
|
||||
}
|
||||
|
||||
// ToDo: skip verifying insecure certificates if option was
|
||||
// specified.
|
||||
|
||||
return c
|
||||
}
|
||||
Loading…
Reference in New Issue