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Merge pull request #44 from luxas/sample-readme
Split sample-app to that and sample-watch
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "net/http" | ||
| "os" | ||
|
|
||
| "github.com/labstack/echo" | ||
| "github.com/sirupsen/logrus" | ||
| "github.com/spf13/pflag" | ||
| "github.com/weaveworks/libgitops/cmd/common" | ||
| "github.com/weaveworks/libgitops/cmd/sample-app/apis/sample/scheme" | ||
| "github.com/weaveworks/libgitops/pkg/logs" | ||
| "github.com/weaveworks/libgitops/pkg/serializer" | ||
| "github.com/weaveworks/libgitops/pkg/storage/watch" | ||
| "github.com/weaveworks/libgitops/pkg/storage/watch/update" | ||
| ) | ||
|
|
||
| var watchDirFlag = pflag.String("watch-dir", "/tmp/libgitops/watch", "Where to watch for YAML/JSON manifests") | ||
|
|
||
| func main() { | ||
| // Parse the version flag | ||
| common.ParseVersionFlag() | ||
|
|
||
| // Run the application | ||
| if err := run(); err != nil { | ||
| fmt.Println(err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
|
|
||
| func run() error { | ||
| // Create the watch directory | ||
| if err := os.MkdirAll(*watchDirFlag, 0755); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Set the log level | ||
| logs.Logger.SetLevel(logrus.InfoLevel) | ||
|
|
||
| watchStorage, err := watch.NewManifestStorage(*watchDirFlag, scheme.Serializer) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { _ = watchStorage.Close() }() | ||
|
|
||
| updates := make(chan update.Update, 4096) | ||
| watchStorage.SetUpdateStream(updates) | ||
|
|
||
| go func() { | ||
| for upd := range updates { | ||
| logrus.Infof("Got %s update for: %v %v", upd.Event, upd.PartialObject.GetObjectKind().GroupVersionKind(), upd.PartialObject.GetObjectMeta()) | ||
| } | ||
| }() | ||
|
|
||
| e := common.NewEcho() | ||
|
|
||
| e.GET("/watch/:name", func(c echo.Context) error { | ||
| name := c.Param("name") | ||
| if len(name) == 0 { | ||
| return echo.NewHTTPError(http.StatusBadRequest, "Please set name") | ||
| } | ||
|
|
||
| obj, err := watchStorage.Get(common.CarKeyForName(name)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| var content bytes.Buffer | ||
| if err := scheme.Serializer.Encoder().Encode(serializer.NewJSONFrameWriter(&content), obj); err != nil { | ||
| return err | ||
| } | ||
| return c.JSONBlob(http.StatusOK, content.Bytes()) | ||
| }) | ||
|
|
||
| e.PUT("/watch/:name", func(c echo.Context) error { | ||
| name := c.Param("name") | ||
| if len(name) == 0 { | ||
| return echo.NewHTTPError(http.StatusBadRequest, "Please set name") | ||
| } | ||
|
|
||
| if err := common.SetNewCarStatus(watchStorage, common.CarKeyForName(name)); err != nil { | ||
| return err | ||
| } | ||
| return c.String(200, "OK!") | ||
| }) | ||
|
|
||
| return common.StartEcho(e) | ||
| } |