/
getGroups.go
75 lines (60 loc) · 1.73 KB
/
getGroups.go
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package datasource
import (
"encoding/json"
"net/http"
"net/url"
"github.com/aws/aws-sdk-go/service/xray"
"github.com/grafana/grafana-plugin-sdk-go/backend/log"
"github.com/grafana/grafana-plugin-sdk-go/backend/resource/httpadapter"
)
func (ds *Datasource) getGroups(rw http.ResponseWriter, req *http.Request) {
if req.Method != "GET" {
rw.WriteHeader(http.StatusMethodNotAllowed)
return
}
urlQuery, err := url.ParseQuery(req.URL.RawQuery)
if err != nil {
sendError(rw, err)
return
}
region := urlQuery.Get("region")
log.DefaultLogger.Debug("getGroups", "region", region)
pluginConfig := httpadapter.PluginConfigFromContext(req.Context())
xrayClient, err := ds.xrayClientFactory(&pluginConfig)
if err != nil {
sendError(rw, err)
return
}
groups, err := getGroupsFromXray(xrayClient)
if err != nil {
sendError(rw, err)
return
}
body, err := json.Marshal(groups)
if err != nil {
sendError(rw, err)
return
}
rw.Header().Set("content-type", "application/json")
_, err = rw.Write(body)
if err != nil {
log.DefaultLogger.Error("failed to write response", "err", err.Error())
return
}
}
func sendError(rw http.ResponseWriter, err error) {
rw.WriteHeader(http.StatusInternalServerError)
_, writeErr := rw.Write([]byte(err.Error()))
if writeErr != nil {
log.DefaultLogger.Error("failed to write error response", "writeError", writeErr.Error(), "originalError", err.Error())
}
}
func getGroupsFromXray(xrayClient XrayClient) ([]*xray.GroupSummary, error) {
groupsReq := &xray.GetGroupsInput{}
var groups []*xray.GroupSummary
err := xrayClient.GetGroupsPages(groupsReq, func(output *xray.GetGroupsOutput, b bool) bool {
groups = append(groups, output.Groups...)
return true
})
return groups, err
}