Files
fn-serverless/api/server/runner.go
2016-08-05 19:51:07 -03:00

114 lines
2.7 KiB
Go

package server
import (
"fmt"
"io/ioutil"
"net/http"
"strings"
"time"
"encoding/json"
"github.com/Sirupsen/logrus"
"github.com/gin-gonic/gin"
"github.com/iron-io/functions/api/models"
"github.com/iron-io/functions/api/runner"
"github.com/satori/go.uuid"
)
func handleRunner(c *gin.Context) {
if strings.HasPrefix(c.Request.URL.Path, "/v1") {
c.Status(http.StatusNotFound)
return
}
log := c.MustGet("log").(logrus.FieldLogger)
reqID := uuid.NewV5(uuid.Nil, fmt.Sprintf("%s%s%d", c.Request.RemoteAddr, c.Request.URL.Path, time.Now().Unix())).String()
c.Set("reqID", reqID)
log = log.WithFields(logrus.Fields{"request_id": reqID})
var err error
var payload []byte
if c.Request.Method == "POST" || c.Request.Method == "PUT" {
payload, err = ioutil.ReadAll(c.Request.Body)
} else if c.Request.Method == "GET" {
qPL := c.Request.URL.Query()["payload"]
if len(qPL) > 0 {
payload = []byte(qPL[0])
}
}
if len(payload) > 0 {
var emptyJSON map[string]interface{}
if err := json.Unmarshal(payload, &emptyJSON); err != nil {
log.WithError(err).Error(models.ErrInvalidJSON)
c.JSON(http.StatusBadRequest, simpleError(models.ErrInvalidJSON))
return
}
}
log.WithField("payload", string(payload)).Debug("Got payload")
appName := c.Param("app")
if appName == "" {
host := strings.Split(c.Request.Host, ":")[0]
appName = strings.Split(host, ".")[0]
}
route := c.Param("route")
if route == "" {
route = c.Request.URL.Path
}
filter := &models.RouteFilter{
Path: route,
AppName: appName,
}
log.WithFields(logrus.Fields{"app": appName, "path": route}).Debug("Finding route on datastore")
routes, err := Api.Datastore.GetRoutes(filter)
if err != nil {
log.WithError(err).Error(models.ErrRoutesList)
c.JSON(http.StatusInternalServerError, simpleError(models.ErrRoutesList))
}
if routes == nil || len(routes) == 0 {
log.WithError(err).Error(models.ErrRunnerRouteNotFound)
c.JSON(http.StatusNotFound, simpleError(models.ErrRunnerRouteNotFound))
}
log.WithField("routes", routes).Debug("Got routes from datastore")
for _, el := range routes {
if el.Path == route {
run := runner.New(&runner.Config{
Ctx: c,
Route: el,
Payload: string(payload),
Timeout: 30 * time.Second,
ID: reqID,
})
if err := run.Run(); err != nil {
log.WithError(err).Error(models.ErrRunnerRunRoute)
c.JSON(http.StatusInternalServerError, simpleError(models.ErrRunnerRunRoute))
} else {
for k, v := range el.Headers {
c.Header(k, v[0])
}
if run.Status() == "success" {
c.Data(http.StatusOK, "", run.ReadOut())
} else {
c.Data(http.StatusInternalServerError, "", run.ReadErr())
}
}
return
}
}
}