/
instance_get.go
156 lines (140 loc) · 3.53 KB
/
instance_get.go
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package main
import (
"fmt"
"net"
"net/http"
"net/url"
"strconv"
"github.com/gorilla/mux"
"github.com/canonical/lxd/lxd/instance"
"github.com/canonical/lxd/lxd/request"
"github.com/canonical/lxd/lxd/response"
"github.com/canonical/lxd/shared"
)
// swagger:operation GET /1.0/instances/{name} instances instance_get
//
// Get the instance
//
// Gets a specific instance (basic struct).
//
// ---
// produces:
// - application/json
// parameters:
// - in: query
// name: project
// description: Project name
// type: string
// example: default
// responses:
// "200":
// description: Instance
// 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/Instance"
// "403":
// $ref: "#/responses/Forbidden"
// "500":
// $ref: "#/responses/InternalServerError"
// swagger:operation GET /1.0/instances/{name}?recursion=1 instances instance_get_recursion1
//
// Get the instance
//
// Gets a specific instance (full struct).
//
// recursion=1 also includes information about state, snapshots and backups.
//
// ---
// produces:
// - application/json
// parameters:
// - in: query
// name: project
// description: Project name
// type: string
// example: default
// responses:
// "200":
// description: Instance
// 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/Instance"
// "403":
// $ref: "#/responses/Forbidden"
// "500":
// $ref: "#/responses/InternalServerError"
func instanceGet(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"))
}
// Parse the recursion field
recursionStr := r.FormValue("recursion")
recursion, err := strconv.Atoi(recursionStr)
if err != nil {
recursion = 0
}
// 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
}
c, err := instance.LoadByProjectAndName(s, projectName, name)
if err != nil {
return response.SmartError(err)
}
var state any
var etag any
if recursion == 0 {
state, etag, err = c.Render()
} else {
hostInterfaces, _ := net.Interfaces()
state, etag, err = c.RenderFull(hostInterfaces)
}
if err != nil {
return response.SmartError(err)
}
return response.SyncResponseETag(true, state, etag)
}