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handlers_discover.go
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/
handlers_discover.go
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package main
import (
"encoding/json"
"fossul/src/engine/util"
"net/http"
"os"
"strings"
)
// Discover godoc
// @Description Application discover
// @Param config body util.Config true "config struct"
// @Accept json
// @Produce json
// @Success 200 {object} util.Result
// @Header 200 {string} string
// @Failure 400 {string} string
// @Failure 404 {string} string
// @Failure 500 {string} string
// @Router /discover [post]
func Discover(w http.ResponseWriter, r *http.Request) {
var discoverResult util.DiscoverResult
var result util.Result
var messages []util.Message
config, err := util.GetConfig(w, r)
printConfigDebug(config)
if err != nil {
message := util.SetMessage("ERROR", "Couldn't read config! "+err.Error())
messages = append(messages, message)
result = util.SetResult(1, messages)
discoverResult.Result = result
_ = json.NewDecoder(r.Body).Decode(&discoverResult)
json.NewEncoder(w).Encode(discoverResult)
return
}
pluginPath := util.GetPluginPath(config.AppPlugin)
//
if pluginPath == "" {
var plugin string = pluginDir + "/app/" + config.AppPlugin
if _, err := os.Stat(plugin); os.IsNotExist(err) {
var errMsg string = "\nApp plugin does not exist: " + plugin
message := util.SetMessage("ERROR", errMsg+" "+err.Error())
messages = append(messages, message)
result = util.SetResult(1, messages)
discoverResult.Result = result
_ = json.NewDecoder(r.Body).Decode(&discoverResult)
json.NewEncoder(w).Encode(discoverResult)
}
resultSimple := util.ExecutePluginSimple(config, "app", plugin, "--action", "discover")
discoverResultString := strings.Join(resultSimple.Messages, " ")
json.Unmarshal([]byte(discoverResultString), &discoverResult)
_ = json.NewDecoder(r.Body).Decode(&discoverResult)
json.NewEncoder(w).Encode(discoverResult)
} else {
plugin, err := util.GetAppInterface(pluginPath)
if err != nil {
message := util.SetMessage("ERROR", err.Error())
messages = append(messages, message)
result = util.SetResult(1, messages)
discoverResult.Result = result
_ = json.NewDecoder(r.Body).Decode(&discoverResult)
json.NewEncoder(w).Encode(discoverResult)
} else {
setEnvResult := plugin.SetEnv(config)
if setEnvResult.Code != 0 {
discoverResult.Result = setEnvResult
_ = json.NewDecoder(r.Body).Decode(&discoverResult)
json.NewEncoder(w).Encode(discoverResult)
} else {
discoverResult = plugin.Discover(config)
messages = util.PrependMessages(setEnvResult.Messages, discoverResult.Result.Messages)
discoverResult.Result.Messages = messages
_ = json.NewDecoder(r.Body).Decode(&discoverResult)
json.NewEncoder(w).Encode(discoverResult)
}
}
}
}