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Merge pull request #17671 from IRONICBo/feature/implement-vm-rescue
[WIP]feat(region): add guest rescue api
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| // Copyright 2019 Yunion | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package compute | ||
|
|
||
| // Rescue constants are used for rescue mode | ||
| const ( | ||
| GUEST_RESCUE_RELATIVE_PATH = "rescue" // serverxxx/rescue | ||
|
|
||
| GUEST_RESCUE_INITRAMFS = "initramfs" | ||
| GUEST_RESCUE_KERNEL = "kernel" | ||
| GUEST_RESCUE_INITRAMFS_ARM64 = "initramfs_aarch64" | ||
| GUEST_RESCUE_KERNEL_ARM64 = "kernel_aarch64" | ||
|
|
||
| GUEST_RESCUE_SYS_DISK_NAME = "sys_img" | ||
| GUEST_RESCUE_SYS_DISK_SIZE = 500 // MB | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| // Copyright 2019 Yunion | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package models | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "yunion.io/x/jsonutils" | ||
| "yunion.io/x/pkg/errors" | ||
| "yunion.io/x/pkg/utils" | ||
|
|
||
| api "yunion.io/x/onecloud/pkg/apis/compute" | ||
| "yunion.io/x/onecloud/pkg/cloudcommon/db" | ||
| "yunion.io/x/onecloud/pkg/cloudcommon/db/taskman" | ||
| "yunion.io/x/onecloud/pkg/httperrors" | ||
| "yunion.io/x/onecloud/pkg/mcclient" | ||
| ) | ||
|
|
||
| func (self *SGuest) PerformStartRescue(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, | ||
| data jsonutils.JSONObject) (jsonutils.JSONObject, error) { | ||
| if !utils.IsInStringArray(self.Status, []string{api.VM_READY, api.VM_RUNNING}) { | ||
| return nil, httperrors.NewInvalidStatusError("guest status must be ready or running") | ||
| } | ||
|
|
||
| // Check vmem size, need to be greater than 2G | ||
| if self.VmemSize < 2048 { | ||
| return nil, httperrors.NewInvalidStatusError("vmem size must be greater than 2G") | ||
| } | ||
|
|
||
| // Reset index | ||
| disks, err := self.GetGuestDisks() | ||
| if err != nil || len(disks) < 1 { | ||
| return nil, httperrors.NewInvalidStatusError("guest.GetGuestDisks: %s", err.Error()) | ||
| } | ||
| for i := 0; i < len(disks); i++ { | ||
| if disks[i].BootIndex >= 0 { | ||
| // Move to next index, and easy to rollback | ||
| err = disks[i].SetBootIndex(disks[i].BootIndex + 1) | ||
| if err != nil { | ||
| return nil, httperrors.NewInvalidStatusError("guest.SetBootIndex: %s", err.Error()) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Get baremetal agent | ||
| host, err := self.GetHost() | ||
| if err != nil { | ||
| return nil, httperrors.NewInvalidStatusError("guest.GetHost: %s", err.Error()) | ||
| } | ||
| bmAgent := BaremetalagentManager.GetAgent(api.AgentTypeBaremetal, host.ZoneId) | ||
| if bmAgent == nil { | ||
| return nil, httperrors.NewInvalidStatusError("BaremetalagentManager.GetAgent: %s", "Baremetal agent not found") | ||
| } | ||
|
|
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| // Set available baremetal agent managerURi to data | ||
| dataDict := data.(*jsonutils.JSONDict) | ||
| dataDict.Add(jsonutils.NewString(bmAgent.ManagerUri), "manager_uri") | ||
|
|
||
| // Start rescue vm task | ||
| err = self.StartRescueTask(ctx, userCred, dataDict, "") | ||
| if err != nil { | ||
| return nil, httperrors.NewInvalidStatusError("guest.StartGuestRescueTask: %s", err.Error()) | ||
| } | ||
|
|
||
| // Now it only support kvm guest os rescue | ||
| return nil, nil | ||
| } | ||
|
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||
| func (self *SGuest) PerformStopRescue(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, | ||
| data jsonutils.JSONObject) (jsonutils.JSONObject, error) { | ||
| if !self.RescueMode { | ||
| return nil, httperrors.NewInvalidStatusError("guest is not in rescue mode") | ||
| } | ||
|
|
||
| // Recover index | ||
| disks, err := self.GetGuestDisks() | ||
| if err != nil || len(disks) < 1 { | ||
| return nil, httperrors.NewInvalidStatusError("guest.GetGuestDisks: %s", err.Error()) | ||
| } | ||
| for i := 0; i < len(disks); i++ { | ||
| if disks[i].BootIndex >= 0 { | ||
| // Rollback index | ||
| err = disks[i].SetBootIndex(disks[i].BootIndex - 1) | ||
| if err != nil { | ||
| return nil, httperrors.NewInvalidStatusError("guest.SetBootIndex: %s", err.Error()) | ||
| } | ||
| } | ||
| } | ||
|
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| // Start rescue vm task | ||
| err = self.StopRescueTask(ctx, userCred, data.(*jsonutils.JSONDict), "") | ||
| if err != nil { | ||
| return nil, httperrors.NewInvalidStatusError("guest.StopGuestRescueTask: %s", err.Error()) | ||
| } | ||
|
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| // Now it only support kvm guest os rescue | ||
| return nil, nil | ||
| } | ||
|
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| func (self *SGuest) UpdateRescueMode(mode bool) error { | ||
| _, err := db.Update(self, func() error { | ||
| self.RescueMode = mode | ||
| return nil | ||
| }) | ||
| if err != nil { | ||
| return errors.Wrap(err, "Update RescueMode") | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (self *SGuest) StartRescueTask(ctx context.Context, userCred mcclient.TokenCredential, data *jsonutils.JSONDict, parentTaskId string) error { | ||
| // Now only support KVM | ||
| taskName := "StartRescueTask" | ||
| task, err := taskman.TaskManager.NewTask(ctx, taskName, self, userCred, data, parentTaskId, "", nil) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = task.ScheduleRun(nil) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (self *SGuest) StopRescueTask(ctx context.Context, userCred mcclient.TokenCredential, data *jsonutils.JSONDict, parentTaskId string) error { | ||
| taskName := "StopRescueTask" | ||
| task, err := taskman.TaskManager.NewTask(ctx, taskName, self, userCred, data, parentTaskId, "", nil) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = task.ScheduleRun(nil) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } |
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