/
worker.go
317 lines (258 loc) · 7.07 KB
/
worker.go
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package sdk
import (
"encoding/json"
"fmt"
"time"
)
// Worker represents instances of CDS workers living to serve.
type Worker struct {
ID string `json:"id"`
Name string `json:"name"`
LastBeat time.Time `json:"-"`
GroupID int64 `json:"group_id"`
Model int64 `json:"model"`
HatcheryID int64 `json:"hatchery_id"`
Status Status `json:"status"` // Waiting, Building, Disabled, Unknown
}
// Existing worker type
const (
Docker = "docker"
HostProcess = "host"
Openstack = "openstack"
)
var (
// AvailableWorkerModelType List of all worker model type
AvailableWorkerModelType = []string{
string(Docker),
string(HostProcess),
string(Openstack),
}
)
// Model represents a worker model (ex: Go 1.5.1 Docker Images)
// with specified capabilities (ex: go, golint and go2xunit binaries)
type Model struct {
ID int64 `json:"id" db:"id"`
Name string `json:"name" db:"name"`
Type string `json:"type" db:"type"`
Image string `json:"image" db:"image"`
Capabilities []Requirement `json:"capabilities" db:"-"`
CreatedBy User `json:"created_by" db:"-"`
OwnerID int64 `json:"owner_id" db:"owner_id"` //DEPRECATED
GroupID int64 `json:"group_id" db:"group_id"`
}
// ModelStatus sums up the number of worker deployed and wanted for a given model
type ModelStatus struct {
ModelID int64 `json:"model_id" yaml:"-"`
ModelName string `json:"model_name" yaml:"name"`
ModelGroupID int64 `json:"model_group_id" yaml:"model_group_id"`
CurrentCount int64 `json:"current_count" yaml:"current"`
WantedCount int64 `json:"wanted_count" yaml:"wanted"`
BuildingCount int64 `json:"building_count" yaml:"building"`
Requirements []Requirement `json:"requirements"`
}
// OpenstackModelData type details the "Image" field of Openstack type model
type OpenstackModelData struct {
Image string `json:"os"`
Flavor string `json:"flavor"`
UserData string `json:"user_data"`
}
// GetWorkers retrieves from engine all worker the user has access to
func GetWorkers(models ...string) ([]Worker, error) {
if len(models) != 0 {
return nil, fmt.Errorf("not implemented")
}
uri := "/worker"
data, code, err := Request("GET", uri, nil)
if err != nil {
return nil, err
}
if code != 200 {
return nil, fmt.Errorf("API error (%d)", code)
}
var workers []Worker
err = json.Unmarshal(data, &workers)
if err != nil {
return nil, err
}
return workers, nil
}
// DisableWorker order the engine to disable given worker, not allowing it to take builds
func DisableWorker(workerID string) error {
uri := fmt.Sprintf("/worker/%s/disable", workerID)
_, code, err := Request("POST", uri, nil)
if err != nil {
return err
}
if code != 200 {
return fmt.Errorf("API error (%d)", code)
}
return nil
}
// AddWorkerModel registers a new worker model available
func AddWorkerModel(name string, t string, img string, groupID int64) (*Model, error) {
uri := fmt.Sprintf("/worker/model")
m := Model{
Name: name,
Type: t,
Image: img,
GroupID: groupID,
}
data, err := json.Marshal(m)
if err != nil {
return nil, err
}
data, code, err := Request("POST", uri, data)
if err != nil {
return nil, err
}
if code >= 300 {
return nil, fmt.Errorf("HTTP %d", code)
}
err = json.Unmarshal(data, &m)
if err != nil {
return nil, err
}
return &m, nil
}
// GetWorkerModel retrieves a specific worker model
func GetWorkerModel(name string) (*Model, error) {
uri := fmt.Sprintf("/worker/model?name=%s", name)
data, code, err := Request("GET", uri, nil)
if err != nil {
return nil, err
}
var m Model
err = json.Unmarshal(data, &m)
if err != nil {
return nil, err
}
if code >= 300 {
return nil, fmt.Errorf("HTTP %d", code)
}
return &m, nil
}
// UpdateWorkerModel updates all characteristics of a worker model
func UpdateWorkerModel(id int64, name string, t string, value string) error {
uri := fmt.Sprintf("/worker/model/%d", id)
data, err := json.Marshal(Model{ID: id, Name: name, Type: t, Image: value})
if err != nil {
return err
}
_, code, err := Request("PUT", uri, data)
if err != nil {
return err
}
if code > 300 {
return fmt.Errorf("HTTP %d", code)
}
return nil
}
// GetWorkerModels retrieves all worker models avaialbe to user
func GetWorkerModels() ([]Model, error) {
uri := fmt.Sprintf("/worker/model")
data, _, err := Request("GET", uri, nil)
if err != nil {
return nil, err
}
var models []Model
err = json.Unmarshal(data, &models)
if err != nil {
return nil, err
}
return models, nil
}
// DeleteWorkerModel deletes a worker model and all its capabilities
func DeleteWorkerModel(workerModelID int64) error {
uri := fmt.Sprintf("/worker/model/%d", workerModelID)
_, _, err := Request("DELETE", uri, nil)
if err != nil {
return err
}
return nil
}
// AddCapabilityToWorkerModel adds a capability to given model
func AddCapabilityToWorkerModel(modelID int64, name string, capaType string, value string) error {
uri := fmt.Sprintf("/worker/model/%d/capability", modelID)
r := Requirement{
Name: name,
Type: capaType,
Value: value,
}
data, err := json.Marshal(r)
if err != nil {
return err
}
_, code, err := Request("POST", uri, data)
if err != nil {
return err
}
if code >= 300 {
return fmt.Errorf("HTTP %d", code)
}
return nil
}
// UpdateCapabilityToWorkerModel updates a capability to given model
func UpdateCapabilityToWorkerModel(modelID int64, name string, capaType string, value string) error {
uri := fmt.Sprintf("/worker/model/%d/capability/%s", modelID, name)
r := Requirement{
Name: name,
Type: capaType,
Value: value,
}
data, err := json.Marshal(r)
if err != nil {
return err
}
_, code, err := Request("PUT", uri, data)
if err != nil {
return err
}
if code >= 300 {
return fmt.Errorf("HTTP %d", code)
}
return nil
}
// DeleteWorkerCapability removes a capability from given worker model
func DeleteWorkerCapability(workerModelID int64, capaName string) error {
uri := fmt.Sprintf("/worker/model/%d/capability/%s", workerModelID, capaName)
if _, _, err := Request("DELETE", uri, nil); err != nil {
return err
}
return nil
}
// GetWorkerModelStatus retrieves from engine all worker model and their status
func GetWorkerModelStatus() ([]ModelStatus, error) {
uri := fmt.Sprintf("/worker/status")
data, code, err := Request("GET", uri, nil)
if err != nil {
return nil, err
}
if code >= 300 {
return nil, fmt.Errorf("cds: api error (%d)", code)
}
var ms []ModelStatus
if err := json.Unmarshal(data, &ms); err != nil {
return nil, err
}
return ms, nil
}
// SetWorkerStatus update worker status
func SetWorkerStatus(s Status) error {
var uri string
switch s {
case StatusChecking:
uri = fmt.Sprintf("/worker/checking")
case StatusWaiting:
uri = fmt.Sprintf("/worker/waiting")
default:
return fmt.Errorf("Unsupported status : %s", s.String())
}
_, code, err := Request("POST", uri, nil)
if err != nil {
return err
}
if code >= 300 {
return fmt.Errorf("cds: api error (%d)", code)
}
return nil
}