// serveWriteLine receives incoming series data in line protocol format and writes it to the database.
func (h *Handler) serveWriteLine(w http.ResponseWriter, r *http.Request, body []byte, user auth.User) {
precision := r.FormValue("precision")
if precision == "" {
precision = "n"
}
points, err := models.ParsePointsWithPrecision(body, time.Now().UTC(), precision)
if err != nil {
if err.Error() == "EOF" {
w.WriteHeader(http.StatusOK)
return
}
h.writeError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
}
database := r.FormValue("db")
if database == "" {
h.writeError(w, influxql.Result{Err: fmt.Errorf("database is required")}, http.StatusBadRequest)
return
}
action := auth.Action{
Resource: auth.DatabaseResource(database),
Privilege: auth.WritePrivilege,
}
if err := user.AuthorizeAction(action); err != nil {
h.writeError(w, influxql.Result{Err: fmt.Errorf("%q user is not authorized to write to database %q", user.Name(), database)}, http.StatusUnauthorized)
return
}
// Write points.
if err := h.PointsWriter.WritePoints(
database,
r.FormValue("rp"),
models.ConsistencyLevelAll,
points,
); influxdb.IsClientError(err) {
h.statMap.Add(statPointsWrittenFail, int64(len(points)))
h.writeError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
} else if err != nil {
h.statMap.Add(statPointsWrittenFail, int64(len(points)))
h.writeError(w, influxql.Result{Err: err}, http.StatusInternalServerError)
return
}
h.statMap.Add(statPointsWrittenOK, int64(len(points)))
w.WriteHeader(http.StatusNoContent)
}
// ServeHTTP implements OpenTSDB's HTTP /api/put endpoint
func (h *Handler) servePut(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
// Require POST method.
if r.Method != "POST" {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
// Wrap reader if it's gzip encoded.
var br *bufio.Reader
if r.Header.Get("Content-Encoding") == "gzip" {
zr, err := gzip.NewReader(r.Body)
if err != nil {
http.Error(w, "could not read gzip, "+err.Error(), http.StatusBadRequest)
return
}
br = bufio.NewReader(zr)
} else {
br = bufio.NewReader(r.Body)
}
// Lookahead at the first byte.
f, err := br.Peek(1)
if err != nil || len(f) != 1 {
http.Error(w, "peek error: "+err.Error(), http.StatusBadRequest)
return
}
// Peek to see if this is a JSON array.
var multi bool
switch f[0] {
case '{':
case '[':
multi = true
default:
http.Error(w, "expected JSON array or hash", http.StatusBadRequest)
return
}
// Decode JSON data into slice of points.
dps := make([]point, 1)
if dec := json.NewDecoder(br); multi {
if err = dec.Decode(&dps); err != nil {
http.Error(w, "json array decode error", http.StatusBadRequest)
return
}
} else {
if err = dec.Decode(&dps[0]); err != nil {
http.Error(w, "json object decode error", http.StatusBadRequest)
return
}
}
// Convert points into TSDB points.
points := make([]models.Point, 0, len(dps))
for i := range dps {
p := dps[i]
// Convert timestamp to Go time.
// If time value is over a billion then it's microseconds.
var ts time.Time
if p.Time < 10000000000 {
ts = time.Unix(p.Time, 0)
} else {
ts = time.Unix(p.Time/1000, (p.Time%1000)*1000)
}
pt, err := models.NewPoint(p.Metric, p.Tags, map[string]interface{}{"value": p.Value}, ts)
if err != nil {
h.Logger.Printf("Dropping point %v: %v", p.Metric, err)
h.statMap.Add(statDroppedPointsInvalid, 1)
continue
}
points = append(points, pt)
}
// Write points.
if err := h.PointsWriter.WritePoints(h.Database, h.RetentionPolicy, models.ConsistencyLevelAny, points); influxdb.IsClientError(err) {
h.Logger.Println("write series error: ", err)
http.Error(w, "write series error: "+err.Error(), http.StatusBadRequest)
return
} else if err != nil {
h.Logger.Println("write series error: ", err)
http.Error(w, "write series error: "+err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
// serveWrite receives incoming series data in line protocol format and writes it to the database.
func (h *Handler) serveWrite(w http.ResponseWriter, r *http.Request, user *meta.UserInfo) {
atomic.AddInt64(&h.stats.WriteRequests, 1)
atomic.AddInt64(&h.stats.ActiveWriteRequests, 1)
defer func(start time.Time) {
atomic.AddInt64(&h.stats.ActiveWriteRequests, -1)
atomic.AddInt64(&h.stats.WriteRequestDuration, time.Since(start).Nanoseconds())
}(time.Now())
database := r.URL.Query().Get("db")
if database == "" {
h.resultError(w, influxql.Result{Err: fmt.Errorf("database is required")}, http.StatusBadRequest)
return
}
if di := h.MetaClient.Database(database); di == nil {
h.resultError(w, influxql.Result{Err: fmt.Errorf("database not found: %q", database)}, http.StatusNotFound)
return
}
if h.Config.AuthEnabled && user == nil {
h.resultError(w, influxql.Result{Err: fmt.Errorf("user is required to write to database %q", database)}, http.StatusUnauthorized)
return
}
if h.Config.AuthEnabled {
if err := h.WriteAuthorizer.AuthorizeWrite(user.Name, database); err != nil {
h.resultError(w, influxql.Result{Err: fmt.Errorf("%q user is not authorized to write to database %q", user.Name, database)}, http.StatusUnauthorized)
return
}
}
// Handle gzip decoding of the body
body := r.Body
if r.Header.Get("Content-Encoding") == "gzip" {
b, err := gzip.NewReader(r.Body)
if err != nil {
h.resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
}
defer b.Close()
body = b
}
var bs []byte
if clStr := r.Header.Get("Content-Length"); clStr != "" {
if length, err := strconv.Atoi(clStr); err == nil {
// This will just be an initial hint for the gzip reader, as the
// bytes.Buffer will grow as needed when ReadFrom is called
bs = make([]byte, 0, length)
}
}
buf := bytes.NewBuffer(bs)
_, err := buf.ReadFrom(body)
if err != nil {
if h.Config.WriteTracing {
h.Logger.Print("Write handler unable to read bytes from request body")
}
h.resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
}
atomic.AddInt64(&h.stats.WriteRequestBytesReceived, int64(buf.Len()))
if h.Config.WriteTracing {
h.Logger.Printf("Write body received by handler: %s", buf.Bytes())
}
points, parseError := models.ParsePointsWithPrecision(buf.Bytes(), time.Now().UTC(), r.URL.Query().Get("precision"))
// Not points parsed correctly so return the error now
if parseError != nil && len(points) == 0 {
if parseError.Error() == "EOF" {
h.writeHeader(w, http.StatusOK)
return
}
h.resultError(w, influxql.Result{Err: parseError}, http.StatusBadRequest)
return
}
// Determine required consistency level.
level := r.URL.Query().Get("consistency")
consistency := models.ConsistencyLevelOne
if level != "" {
var err error
consistency, err = models.ParseConsistencyLevel(level)
if err != nil {
h.resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
}
}
// Write points.
if err := h.PointsWriter.WritePoints(database, r.URL.Query().Get("rp"), consistency, points); influxdb.IsClientError(err) {
atomic.AddInt64(&h.stats.PointsWrittenFail, int64(len(points)))
h.resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
} else if err != nil {
atomic.AddInt64(&h.stats.PointsWrittenFail, int64(len(points)))
h.resultError(w, influxql.Result{Err: err}, http.StatusInternalServerError)
return
} else if parseError != nil {
// We wrote some of the points
atomic.AddInt64(&h.stats.PointsWrittenOK, int64(len(points)))
// The other points failed to parse which means the client sent invalid line protocol. We return a 400
// response code as well as the lines that failed to parse.
h.resultError(w, influxql.Result{Err: fmt.Errorf("partial write:\n%v", parseError)}, http.StatusBadRequest)
return
}
atomic.AddInt64(&h.stats.PointsWrittenOK, int64(len(points)))
h.writeHeader(w, http.StatusNoContent)
}
// serveWriteLine receives incoming series data in line protocol format and writes it to the database.
func (h *Handler) serveWriteLine(w http.ResponseWriter, r *http.Request, body []byte, user *meta.UserInfo) {
// Some clients may not set the content-type header appropriately and send JSON with a non-json
// content-type. If the body looks JSON, try to handle it as as JSON instead
if len(body) > 0 {
var i int
for {
// JSON requests must start w/ an opening bracket
if body[i] == '{' {
h.serveWriteJSON(w, r, body, user)
return
}
// check that the byte is in the standard ascii code range
if body[i] > 32 || i >= len(body)-1 {
break
}
i++
}
}
precision := r.FormValue("precision")
if precision == "" {
precision = "n"
}
points, parseError := models.ParsePointsWithPrecision(body, time.Now().UTC(), precision)
// Not points parsed correctly so return the error now
if parseError != nil && len(points) == 0 {
if parseError.Error() == "EOF" {
w.WriteHeader(http.StatusOK)
return
}
resultError(w, influxql.Result{Err: parseError}, http.StatusBadRequest)
return
}
database := r.FormValue("db")
if database == "" {
resultError(w, influxql.Result{Err: fmt.Errorf("database is required")}, http.StatusBadRequest)
return
}
if di, err := h.MetaClient.Database(database); err != nil {
resultError(w, influxql.Result{Err: fmt.Errorf("metastore database error: %s", err)}, http.StatusInternalServerError)
return
} else if di == nil {
resultError(w, influxql.Result{Err: fmt.Errorf("database not found: %q", database)}, http.StatusNotFound)
return
}
if h.requireAuthentication && user == nil {
resultError(w, influxql.Result{Err: fmt.Errorf("user is required to write to database %q", database)}, http.StatusUnauthorized)
return
}
if h.requireAuthentication && !user.Authorize(influxql.WritePrivilege, database) {
resultError(w, influxql.Result{Err: fmt.Errorf("%q user is not authorized to write to database %q", user.Name, database)}, http.StatusUnauthorized)
return
}
// Write points.
if err := h.PointsWriter.WritePoints(database, r.FormValue("rp"), models.ConsistencyLevelAny, points); influxdb.IsClientError(err) {
h.statMap.Add(statPointsWrittenFail, int64(len(points)))
resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
} else if err != nil {
h.statMap.Add(statPointsWrittenFail, int64(len(points)))
resultError(w, influxql.Result{Err: err}, http.StatusInternalServerError)
return
} else if parseError != nil {
// We wrote some of the points
h.statMap.Add(statPointsWrittenOK, int64(len(points)))
// The other points failed to parse which means the client sent invalid line protocol. We return a 400
// response code as well as the lines that failed to parse.
resultError(w, influxql.Result{Err: fmt.Errorf("partial write:\n%v", parseError)}, http.StatusBadRequest)
return
}
h.statMap.Add(statPointsWrittenOK, int64(len(points)))
w.WriteHeader(http.StatusNoContent)
}
// serveWriteJSON receives incoming series data in JSON and writes it to the database.
func (h *Handler) serveWriteJSON(w http.ResponseWriter, r *http.Request, body []byte, user *meta.UserInfo) {
if !h.JSONWriteEnabled {
resultError(w, influxql.Result{Err: fmt.Errorf("JSON write protocol has been deprecated")}, http.StatusBadRequest)
return
}
var bp client.BatchPoints
var dec *json.Decoder
dec = json.NewDecoder(bytes.NewReader(body))
if err := dec.Decode(&bp); err != nil {
if err.Error() == "EOF" {
w.WriteHeader(http.StatusOK)
return
}
resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
}
if bp.Database == "" {
resultError(w, influxql.Result{Err: fmt.Errorf("database is required")}, http.StatusBadRequest)
return
}
if di, err := h.MetaClient.Database(bp.Database); err != nil {
resultError(w, influxql.Result{Err: fmt.Errorf("metastore database error: %s", err)}, http.StatusInternalServerError)
return
} else if di == nil {
resultError(w, influxql.Result{Err: fmt.Errorf("database not found: %q", bp.Database)}, http.StatusNotFound)
return
}
if h.requireAuthentication && user == nil {
resultError(w, influxql.Result{Err: fmt.Errorf("user is required to write to database %q", bp.Database)}, http.StatusUnauthorized)
return
}
if h.requireAuthentication && !user.Authorize(influxql.WritePrivilege, bp.Database) {
resultError(w, influxql.Result{Err: fmt.Errorf("%q user is not authorized to write to database %q", user.Name, bp.Database)}, http.StatusUnauthorized)
return
}
points, err := NormalizeBatchPoints(bp)
if err != nil {
resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
return
}
// Convert the json batch struct to a points writer struct
if err := h.PointsWriter.WritePoints(bp.Database, bp.RetentionPolicy, models.ConsistencyLevelAny, points); err != nil {
h.statMap.Add(statPointsWrittenFail, int64(len(points)))
if influxdb.IsClientError(err) {
resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
} else {
resultError(w, influxql.Result{Err: err}, http.StatusInternalServerError)
}
return
}
h.statMap.Add(statPointsWrittenOK, int64(len(points)))
w.WriteHeader(http.StatusNoContent)
}