/
instance_uefi_vars.go
217 lines (185 loc) · 5.16 KB
/
instance_uefi_vars.go
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package main
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"github.com/gorilla/mux"
"github.com/canonical/lxd/lxd/instance"
"github.com/canonical/lxd/lxd/instance/instancetype"
"github.com/canonical/lxd/lxd/request"
"github.com/canonical/lxd/lxd/response"
"github.com/canonical/lxd/lxd/util"
"github.com/canonical/lxd/shared"
"github.com/canonical/lxd/shared/api"
)
// swagger:operation GET /1.0/instances/{name}/uefi-vars instances instance_uefi_vars_get
//
// Get the instance's UEFI variables
//
// Gets the UEFI variables for a specific VM.
//
// ---
// produces:
// - application/json
// parameters:
// - in: query
// name: project
// description: Project name
// type: string
// example: default
// responses:
// "200":
// description: Instance UEFI variables
// schema:
// type: object
// description: Sync response
// properties:
// type:
// type: string
// description: Response type
// example: sync
// status:
// type: string
// description: Status description
// example: Success
// status_code:
// type: integer
// description: Status code
// example: 200
// metadata:
// $ref: "#/definitions/InstanceUEFIVars"
// "403":
// $ref: "#/responses/Forbidden"
// "500":
// $ref: "#/responses/InternalServerError"
func instanceUEFIVarsGet(d *Daemon, r *http.Request) response.Response {
s := d.State()
instanceType, err := urlInstanceTypeDetect(r)
if err != nil {
return response.SmartError(err)
}
projectName := request.ProjectParam(r)
name, err := url.PathUnescape(mux.Vars(r)["name"])
if err != nil {
return response.SmartError(err)
}
if shared.IsSnapshot(name) {
return response.BadRequest(fmt.Errorf("Invalid instance name"))
}
// Handle requests targeted to a container on a different node
resp, err := forwardedResponseIfInstanceIsRemote(s, r, projectName, name, instanceType)
if err != nil {
return response.SmartError(err)
}
if resp != nil {
return resp
}
inst, err := instance.LoadByProjectAndName(s, projectName, name)
if err != nil {
return response.SmartError(err)
}
if inst.Type() != instancetype.VM {
return response.BadRequest(fmt.Errorf("UEFI variables manipulation supported for VM type instances only"))
}
instanceUEFI, err := inst.(instance.VM).UEFIVars()
if err != nil {
return response.SmartError(err)
}
etag := []any{instanceUEFI}
return response.SyncResponseETag(true, instanceUEFI, etag)
}
// swagger:operation PUT /1.0/instances/{name}/uefi-vars instances instance_uefi_vars_put
//
// Set the instance's UEFI variables
//
// Sets the UEFI variables for a specific VM.
//
// ---
// consumes:
// - application/json
// produces:
// - application/json
// parameters:
// - in: query
// name: project
// description: Project name
// type: string
// example: default
// - in: body
// name: instanceEFI
// description: UEFI variables update request
// schema:
// $ref: "#/definitions/InstanceUEFIVars"
// responses:
// "200":
// $ref: "#/responses/EmptySyncResponse"
// "400":
// $ref: "#/responses/BadRequest"
// "403":
// $ref: "#/responses/Forbidden"
// "404":
// $ref: "#/responses/NotFound"
// "500":
// $ref: "#/responses/InternalServerError"
func instanceUEFIVarsPut(d *Daemon, r *http.Request) response.Response {
// Don't mess with instance while in setup mode.
<-d.waitReady.Done()
s := d.State()
instanceType, err := urlInstanceTypeDetect(r)
if err != nil {
return response.SmartError(err)
}
projectName := request.ProjectParam(r)
// Get the container
name, err := url.PathUnescape(mux.Vars(r)["name"])
if err != nil {
return response.SmartError(err)
}
if shared.IsSnapshot(name) {
return response.BadRequest(fmt.Errorf("Invalid instance name"))
}
// Handle requests targeted to a container on a different node
resp, err := forwardedResponseIfInstanceIsRemote(s, r, projectName, name, instanceType)
if err != nil {
return response.SmartError(err)
}
if resp != nil {
return resp
}
unlock, err := instanceOperationLock(s.ShutdownCtx, projectName, name)
if err != nil {
return response.SmartError(err)
}
defer unlock()
inst, err := instance.LoadByProjectAndName(s, projectName, name)
if err != nil {
return response.SmartError(err)
}
if inst.Type() != instancetype.VM {
return response.BadRequest(fmt.Errorf("UEFI variables manipulation supported for VM type instances only"))
}
if inst.IsRunning() {
return response.BadRequest(fmt.Errorf("UEFI variables editing is allowed for stopped VM instances only"))
}
instanceUEFI, err := inst.(instance.VM).UEFIVars()
if err != nil {
return response.SmartError(err)
}
// Validate the ETag
etag := []any{instanceUEFI}
err = util.EtagCheck(r, etag)
if err != nil {
return response.PreconditionFailed(err)
}
configRaw := api.InstanceUEFIVars{}
err = json.NewDecoder(r.Body).Decode(&configRaw)
if err != nil {
return response.BadRequest(err)
}
err = inst.(instance.VM).UEFIVarsUpdate(configRaw)
if err != nil {
return response.SmartError(err)
}
return response.EmptySyncResponse
}