func (q queryHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
err := request.ParseForm()
if err != nil {
errorResponse(writer, http.StatusBadRequest, err)
return
}
parsedForm := parseQueryForm(request)
log.Infof("INPUT: %+v\n", parsedForm)
cmd, err := query.Parse(parsedForm.input)
if err != nil {
errorResponse(writer, http.StatusBadRequest, err)
return
}
cmd, profiler := query.NewProfilingCommand(cmd)
result, err := cmd.Execute(q.context)
if err != nil {
errorResponse(writer, http.StatusInternalServerError, err)
return
}
response := response{
Body: result,
Name: cmd.Name(),
}
if parsedForm.profile {
response.Profile = convertProfile(profiler)
}
bodyResponse(writer, response)
if q.hook.OnQuery != nil {
q.hook.OnQuery <- profiler
}
}
func main() {
flag.Parse()
common.SetupLogger()
config := common.LoadConfig()
cassandraConfig := cassandra.CassandraMetricMetadataConfig{
Hosts: config.MetricMetadataConfig.Hosts,
Keyspace: config.MetricMetadataConfig.Keyspace,
}
apiInstance := common.NewMetricMetadataAPI(cassandraConfig)
ruleset, err := util.LoadRules(config.MetricMetadataConfig.ConversionRulesPath)
if err != nil {
//Blah
}
graphite := util.RuleBasedGraphiteConverter{Ruleset: ruleset}
config.Blueflood.GraphiteMetricConverter = &graphite
blueflood := blueflood.NewBlueflood(config.Blueflood)
l := liner.NewLiner()
defer l.Close()
for {
input, err := l.Prompt("> ")
if err != nil {
return
}
l.AppendHistory(input)
cmd, err := query.Parse(input)
if err != nil {
fmt.Println("parsing error", err.Error())
continue
}
n, ok := cmd.(query.Node)
if !ok {
fmt.Printf("error: %#v doesn't implement Node\n", cmd)
continue
}
fmt.Println(query.PrintNode(n))
result, err := cmd.Execute(query.ExecutionContext{TimeseriesStorageAPI: blueflood, MetricMetadataAPI: apiInstance, FetchLimit: 1000})
if err != nil {
fmt.Println("execution error:", err.Error())
continue
}
encoded, err := json.MarshalIndent(result, "", " ")
if err != nil {
fmt.Println("encoding error:", err.Error())
return
}
fmt.Println("success:")
fmt.Println(string(encoded))
}
}
func main() {
flag.Parse()
common.SetupLogger()
config := common.LoadConfig()
apiInstance := common.NewAPI(config.API)
myBackend := blueflood.NewBlueflood(config.Blueflood)
l := liner.NewLiner()
defer l.Close()
for {
input, err := l.Prompt("> ")
if err != nil {
return
}
l.AppendHistory(input)
cmd, err := query.Parse(input)
if err != nil {
fmt.Println("parsing error", err.Error())
continue
}
n, ok := cmd.(query.Node)
if !ok {
fmt.Printf("error: %#v doesn't implement Node\n", cmd)
continue
}
fmt.Println(query.PrintNode(n))
result, err := cmd.Execute(query.ExecutionContext{Backend: backend.NewSequentialMultiBackend(myBackend), API: apiInstance, FetchLimit: 1000})
if err != nil {
fmt.Println("execution error:", err.Error())
continue
}
encoded, err := json.MarshalIndent(result, "", " ")
if err != nil {
fmt.Println("encoding error:", err.Error())
return
}
fmt.Println("success:")
fmt.Println(string(encoded))
}
}
func (q queryHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
err := request.ParseForm()
if err != nil {
errorResponse(writer, http.StatusBadRequest, err)
return
}
parsedForm := parseQueryForm(request)
log.Infof("INPUT: %+v\n", parsedForm)
cmd, err := query.Parse(parsedForm.input)
if err != nil {
errorResponse(writer, http.StatusBadRequest, err)
return
}
cmd, profiler := query.NewProfilingCommand(cmd)
ctx := q.context
ctx.UserSpecifiableConfig = api.UserSpecifiableConfig{
IncludeRawData: parsedForm.includeRaw,
}
result, err := cmd.Execute(ctx)
if err != nil {
errorResponse(writer, http.StatusInternalServerError, err)
return
}
response := response{
Body: result.Body,
Metadata: result.Metadata,
Name: cmd.Name(),
}
if parsedForm.profile {
response.Profile = convertProfile(profiler)
}
bodyResponse(writer, request, response)
if q.hook.OnQuery != nil {
q.hook.OnQuery <- profiler
}
}
