/
endpoints_controller_create.go
91 lines (76 loc) · 2.37 KB
/
endpoints_controller_create.go
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package web
import (
"encoding/json"
"net/http"
"os"
"github.com/Scalingo/go-utils/logger"
"github.com/Scalingo/sand/api/httpresp"
"github.com/Scalingo/sand/api/params"
"github.com/Scalingo/sand/ipallocator"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
func (c EndpointsController) Create(w http.ResponseWriter, r *http.Request, p map[string]string) error {
w.Header().Set("Content-Type", "application/json")
ctx := r.Context()
var params params.EndpointCreate
err := json.NewDecoder(r.Body).Decode(¶ms)
if err != nil {
w.WriteHeader(400)
return errors.Wrap(err, "invalid JSON")
}
log := logger.Get(ctx).WithFields(logrus.Fields{
"network_id": params.NetworkID,
})
if params.Activate {
log = logger.Get(ctx).WithFields(logrus.Fields{
"activate": params.Activate,
"target_netns": params.ActivateParams.NSHandlePath,
})
if params.ActivateParams.NSHandlePath == "" {
w.WriteHeader(400)
return errors.New("missing ns_handle_path")
}
if _, err := os.Stat(params.ActivateParams.NSHandlePath); err != nil {
w.WriteHeader(400)
return errors.Errorf("ns_handle_path '%s' is invalid: %v", params.ActivateParams.NSHandlePath, err)
}
}
network, ok, err := c.NetworkRepository.Exists(ctx, params.NetworkID)
if err != nil {
return errors.Wrapf(err, "fail to get network %v", params.NetworkID)
}
if !ok {
w.WriteHeader(404)
return errors.New("not found")
}
allocatedIP, err := c.IPAllocator.AllocateIP(ctx, params.NetworkID, ipallocator.AllocateIPOpts{
Address: params.IPv4Address,
})
if err != nil {
return errors.Wrapf(err, "fail to allocate IP in pool ip=%v network=%v", params.IPv4Address, network)
}
params.IPv4Address = allocatedIP
err = c.NetworkRepository.Ensure(ctx, network)
if err != nil {
return errors.Wrapf(err, "fail to ensure network %s", network)
}
log = log.WithField("network_name", network.Name)
log.Info("creating endpoint")
ctx = logger.ToCtx(ctx, log)
params.ActivateParams.SetAddr = true
params.ActivateParams.MoveVeth = true
endpoint, err := c.EndpointRepository.Create(ctx, network, params)
if err != nil {
return errors.Wrapf(err, "fail to create endpoint")
}
log.Info("endpoint created")
w.WriteHeader(http.StatusCreated)
err = json.NewEncoder(w).Encode(&httpresp.EndpointCreate{
Endpoint: endpoint,
})
if err != nil {
log.WithError(err).Error("fail to encode JSON")
}
return nil
}