forked from rancher/go-machine-service
/
machine_driver.go
139 lines (111 loc) · 3.33 KB
/
machine_driver.go
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package handlers
import (
"fmt"
"github.com/Sirupsen/logrus"
"github.com/rancher/event-subscriber/events"
"github.com/rancher/go-machine-service/dynamic"
"github.com/rancher/go-rancher/v3"
)
func DeactivateDriver(event *events.Event, apiClient *client.RancherClient) error {
return removeDriver(event, apiClient, false)
}
func RemoveDriver(event *events.Event, apiClient *client.RancherClient) error {
return removeDriver(event, apiClient, true)
}
func removeDriver(event *events.Event, apiClient *client.RancherClient, delete bool) error {
logger.WithFields(logrus.Fields{
"resourceId": event.ResourceID,
"eventId": event.ID,
"name": event.Name,
}).Info("Event")
driverInfo, err := apiClient.MachineDriver.ById(event.ResourceID)
if err != nil {
return err
}
if err := dynamic.RemoveSchemas(driverInfo.Name+"Config", apiClient); err != nil {
return err
}
if driverInfo.Checksum == "" || delete {
driver, err := getDriver(event.ResourceID, apiClient)
if err == nil {
logger.Infof("Removing driver %s", driverInfo.Name)
driver.Remove()
}
}
if err := dynamic.UploadMachineSchemas(apiClient); err != nil {
return err
}
reply := newReply(event)
return publishReply(reply, apiClient)
}
func ErrorDriver(event *events.Event, apiClient *client.RancherClient) error {
logger.WithFields(logrus.Fields{
"resourceId": event.ResourceID,
"eventId": event.ID,
"name": event.Name,
}).Info("Event")
driver, err := getDriver(event.ResourceID, apiClient)
if err != nil {
// mask error
return nil
}
driver.ClearError()
reply := newReply(event)
return publishReply(reply, apiClient)
}
func ActivateDriver(event *events.Event, apiClient *client.RancherClient) error {
logger.WithFields(logrus.Fields{
"resourceId": event.ResourceID,
"eventId": event.ID,
"name": event.Name,
}).Info("Event")
driver, err := activate(event.ResourceID, apiClient)
if err != nil {
return err
}
version, err := dynamic.DriverSchemaVersion(apiClient)
if err != nil {
return err
}
reply := newReply(event)
reply.Data = map[string]interface{}{
"name": driver.FriendlyName(),
"defaultActive": false,
"schemaVersion": version,
}
if err := dynamic.UploadMachineSchemas(apiClient, driver.FriendlyName()); err != nil {
return err
}
return publishReply(reply, apiClient)
}
func getDriver(id string, apiClient *client.RancherClient) (*dynamic.Driver, error) {
driverInfo, err := apiClient.MachineDriver.ById(id)
if err != nil {
return nil, err
}
return dynamic.NewDriver(driverInfo.Builtin, driverInfo.Name, driverInfo.Url, driverInfo.Checksum), nil
}
func activate(id string, apiClient *client.RancherClient) (*dynamic.Driver, error) {
driver, err := getDriver(id, apiClient)
if err != nil {
return nil, err
}
if err := driver.Stage(); err != nil {
return nil, err
}
opts := client.NewListOpts()
opts.Filters["name"] = driver.FriendlyName()
opts.Filters["state"] = "active"
existing, err := apiClient.MachineDriver.List(opts)
if err != nil {
return nil, err
}
if len(existing.Data) > 0 {
return nil, fmt.Errorf("An active driver name %s already exists", driver.Name())
}
if err := driver.Install(); err != nil {
logger.Errorf("Failed to download/install driver %s: %v", driver.Name(), err)
return nil, err
}
return driver, dynamic.GenerateAndUploadSchema(driver.Name())
}