zrok/controller/untunnel.go

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package controller
import (
"context"
"fmt"
"github.com/go-openapi/runtime/middleware"
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"github.com/openziti-test-kitchen/zrok/controller/store"
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"github.com/openziti-test-kitchen/zrok/rest_model_zrok"
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"github.com/openziti-test-kitchen/zrok/rest_server_zrok/operations/tunnel"
"github.com/openziti/edge/rest_management_api_client"
"github.com/openziti/edge/rest_management_api_client/service"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
"time"
)
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type untunnelHandler struct {
}
func newUntunnelHandler() *untunnelHandler {
return &untunnelHandler{}
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}
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func (h *untunnelHandler) Handle(params tunnel.UntunnelParams, principal *rest_model_zrok.Principal) middleware.Responder {
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tx, err := str.Begin()
if err != nil {
logrus.Errorf("error starting transaction: %v", err)
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return tunnel.NewUntunnelInternalServerError()
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}
defer func() { _ = tx.Rollback() }()
edge, err := edgeClient()
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if err != nil {
logrus.Error(err)
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return tunnel.NewUntunnelInternalServerError()
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}
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svcName := params.Body.SvcName
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svcZId, err := h.findServiceZId(svcName, edge)
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if err != nil {
logrus.Error(err)
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return tunnel.NewUntunnelInternalServerError()
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}
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var senv *store.Environment
if envs, err := str.FindEnvironmentsForAccount(int(principal.ID), tx); err == nil {
for _, env := range envs {
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if env.ZId == params.Body.ZID {
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senv = env
break
}
}
if senv == nil {
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err := errors.Errorf("environment with id '%v' not found for '%v", params.Body.ZID, principal.Email)
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logrus.Error(err)
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return tunnel.NewUntunnelNotFound()
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}
} else {
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logrus.Errorf("error finding environments for account '%v': %v", principal.Email, err)
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return tunnel.NewUntunnelInternalServerError()
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}
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var ssvc *store.Service
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if svcs, err := str.FindServicesForEnvironment(senv.Id, tx); err == nil {
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for _, svc := range svcs {
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if svc.ZId == svcZId {
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ssvc = svc
break
}
}
if ssvc == nil {
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err := errors.Errorf("service with id '%v' not found for '%v'", svcZId, principal.Email)
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logrus.Error(err)
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return tunnel.NewUntunnelNotFound()
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}
} else {
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logrus.Errorf("error finding services for account '%v': %v", principal.Email, err)
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return tunnel.NewUntunnelInternalServerError()
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}
if err := deleteServiceEdgeRouterPolicy(senv.ZId, svcName, edge); err != nil {
logrus.Error(err)
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return tunnel.NewUntunnelInternalServerError()
}
if err := deleteServicePolicyDial(senv.ZId, svcName, edge); err != nil {
logrus.Error(err)
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return tunnel.NewUntunnelInternalServerError()
}
if err := deleteServicePolicyBind(senv.ZId, svcName, edge); err != nil {
logrus.Error(err)
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return tunnel.NewUntunnelInternalServerError()
}
if err := deleteConfig(senv.ZId, svcName, edge); err != nil {
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logrus.Error(err)
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return tunnel.NewTunnelInternalServerError()
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}
if err := deleteService(senv.ZId, svcZId, edge); err != nil {
logrus.Error(err)
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return tunnel.NewUntunnelInternalServerError()
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}
logrus.Debugf("deallocated service '%v'", svcName)
if err := str.DeleteService(ssvc.Id, tx); err != nil {
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logrus.Errorf("error deactivating service '%v': %v", svcZId, err)
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return tunnel.NewUntunnelInternalServerError()
}
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if err := tx.Commit(); err != nil {
logrus.Errorf("error committing: %v", err)
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return tunnel.NewUntunnelInternalServerError()
}
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return tunnel.NewUntunnelOK()
}
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func (h *untunnelHandler) findServiceZId(svcName string, edge *rest_management_api_client.ZitiEdgeManagement) (string, error) {
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filter := fmt.Sprintf("name=\"%v\"", svcName)
limit := int64(1)
offset := int64(0)
listReq := &service.ListServicesParams{
Filter: &filter,
Limit: &limit,
Offset: &offset,
Context: context.Background(),
}
listReq.SetTimeout(30 * time.Second)
listResp, err := edge.Service.ListServices(listReq, nil)
if err != nil {
return "", err
}
if len(listResp.Payload.Data) == 1 {
return *(listResp.Payload.Data[0].ID), nil
}
return "", errors.Errorf("service '%v' not found", svcName)
}