upda/server/service_action_invocation.go
2024-04-26 14:19:36 +02:00

402 lines
12 KiB
Go

package server
import (
"errors"
"git.myservermanager.com/varakh/upda/api"
"git.myservermanager.com/varakh/upda/util"
"github.com/containrrr/shoutrrr"
"go.uber.org/zap"
"strings"
"time"
)
type actionInvocationService struct {
repo ActionInvocationRepository
actionService *actionService
eventService *eventService
secretService *secretService
}
func newActionInvocationService(r ActionInvocationRepository, a *actionService, e *eventService, s *secretService) *actionInvocationService {
return &actionInvocationService{
repo: r,
actionService: a,
eventService: e,
secretService: s,
}
}
func (s *actionInvocationService) enqueue(batchSize int) error {
if batchSize <= 0 {
return newServiceError(General, errors.New("cannot enqueue actions from events with invalid configured batch size"))
}
var events []*Event
var err error
if events, err = s.eventService.getByState(batchSize, api.EventStateCreated); err != nil {
return err
}
var actions []*Action
if actions, err = s.actionService.getByEnabled(true); err != nil {
return err
}
for _, event := range events {
if err = s.enqueueFromEvent(event, actions); err != nil {
zap.L().Sugar().Errorf("Could not enqueue action for event '%s' (%s). Reason: %s", event.Name, event.ID, err.Error())
}
}
return nil
}
func (s *actionInvocationService) enqueueFromEvent(event *Event, actions []*Action) error {
if event == nil || actions == nil {
return newServiceError(IllegalArgument, errorValidationNotEmpty)
}
var err error
// match requires event payload
var eventPayload *eventPayloadInformationDto
if eventPayload, err = s.eventService.extractPayloadInfo(event); err != nil {
return err
}
var filteredActions []*Action
for _, action := range actions {
matchesEvent := action.MatchEvent == nil || *action.MatchEvent == event.Name
matchesHost := action.MatchHost == nil || *action.MatchHost == eventPayload.Host
matchesApplication := action.MatchApplication == nil || *action.MatchApplication == eventPayload.Application
matchesProvider := action.MatchProvider == nil || *action.MatchProvider == eventPayload.Provider
if matchesEvent && matchesHost && matchesApplication && matchesProvider {
filteredActions = append(filteredActions, action)
}
}
if len(filteredActions) == 0 {
zap.L().Sugar().Debugf("No actions found which match event '%s', nothing to enqueue", event.Name)
}
for _, action := range filteredActions {
if _, err = s.create(event, action, api.ActionInvocationStateCreated); err != nil {
zap.L().Sugar().Errorf("Could not enqueue action '%s' (%v). Reason: %s", action.Label, action.ID, err.Error())
continue
}
}
// mark event as enqueued
if _, err = s.eventService.updateState(event.ID.String(), api.EventStateEnqueued); err != nil {
return err
}
return nil
}
func (s *actionInvocationService) invoke(batchSize int, maxRetries int) error {
if batchSize <= 0 {
return newServiceError(General, errors.New("cannot invoke actions with invalid configured batch size"))
}
if maxRetries <= 0 {
return newServiceError(General, errors.New("cannot invoke actions with invalid configured max retries"))
}
var err error
var actionInvocations []*ActionInvocation
if actionInvocations, err = s.getByState(batchSize, maxRetries, api.ActionInvocationStateCreated, api.ActionInvocationStateRetrying); err != nil {
return err
}
if len(actionInvocations) == 0 {
zap.L().Sugar().Debugf("No action invocations found to process")
return nil
}
for _, actionInvocation := range actionInvocations {
if _, err = s.updateState(actionInvocation.ID.String(), api.ActionInvocationStateRunning); err != nil {
zap.L().Sugar().Errorf("Could not mark action invocation '%v' as running. Reason: %s", actionInvocation.ID, err.Error())
continue
}
zap.L().Sugar().Debugf("Invoking action '%v' for event '%v'", actionInvocation.ActionID, actionInvocation.EventID)
var event *Event
if event, err = s.eventService.get(actionInvocation.EventID); err != nil {
zap.L().Sugar().Errorf("Could not find event '%v' for action '%v' and action invocation '%v'. Reason: %s", actionInvocation.EventID, actionInvocation.ActionID, actionInvocation.ID, err.Error())
// with cascade, cannot happen
continue
}
var eventPayload *eventPayloadInformationDto
if eventPayload, err = s.eventService.extractPayloadInfo(event); err != nil {
zap.L().Sugar().Errorf("Could not extract event's '%v' information for action '%v' and action invocation '%v'. Reason: %s", actionInvocation.EventID, actionInvocation.ActionID, actionInvocation.ID, err.Error())
// with layout of attached payload, cannot happen
continue
}
var action *Action
if action, err = s.actionService.get(actionInvocation.ActionID); err != nil {
zap.L().Sugar().Errorf("Could not find action '%v' for action invocation '%v'. Reason: %s", actionInvocation.ActionID, actionInvocation.ID, err.Error())
// with cascade, cannot happen
continue
}
if err = s.execute(action, eventPayload); err != nil {
var cause error
cause = err
zap.L().Sugar().Errorf("Could not invoke action '%s' (%v) for action invocation '%v'. Reason: %s", action.Label, action.ID, actionInvocation.ID, err.Error())
var newState api.ActionInvocationState
newRetryCount := actionInvocation.RetryCount + 1
newState = api.ActionInvocationStateRetrying
if newRetryCount >= maxRetries {
zap.L().Sugar().Infof("Action invocation '%v' exceeded max retry count of '%d'. Not trying again.", actionInvocation.ID, newRetryCount)
newState = api.ActionInvocationStateError
}
if _, err = s.updateState(actionInvocation.ID.String(), newState); err != nil {
zap.L().Sugar().Errorf("Could not mark action invocation '%v' as '%v'. Reason: %s", actionInvocation.ID, newState, err.Error())
}
if _, err = s.updateRetryCount(actionInvocation.ID.String(), newRetryCount); err != nil {
zap.L().Sugar().Errorf("Could not update action invocation '%v' retry count to '%d'. Reason: %s", actionInvocation.ID, newRetryCount, err.Error())
}
msg := cause.Error()
if _, err = s.updateMessage(actionInvocation.ID.String(), &msg); err != nil {
zap.L().Sugar().Errorf("Could not update action invocation '%v' message. Reason: %s", actionInvocation.ID, err.Error())
}
continue
}
zap.L().Sugar().Debugf("Processed action invocation '%v' for event '%s' (%v) and action '%s' (%v)", actionInvocation.ID, event.Name, event.ID, action.Label, action.ID)
if _, err = s.updateState(actionInvocation.ID.String(), api.ActionInvocationStateSuccess); err != nil {
zap.L().Sugar().Errorf("Could not mark action invocation '%v' as success. Reason: %s", actionInvocation.ID, err.Error())
}
if _, err = s.updateMessage(actionInvocation.ID.String(), nil); err != nil {
zap.L().Sugar().Errorf("Could not update action invocation '%v' message. Reason: %s", actionInvocation.ID, err.Error())
}
}
return nil
}
func (s *actionInvocationService) execute(action *Action, eventPayloadInfo *eventPayloadInformationDto) error {
if action == nil || eventPayloadInfo == nil {
return errorValidationNotEmpty
}
var err error
var bytes []byte
if bytes, err = action.Payload.MarshalJSON(); err != nil {
return newServiceError(General, err)
}
switch action.Type {
case api.ActionTypeShoutrrr.Value():
var payload actionPayloadShoutrrrDto
if payload, err = util.UnmarshalGenericJSON[actionPayloadShoutrrrDto](bytes); err != nil {
return newServiceError(General, err)
}
body := s.replaceVars(payload.Body, eventPayloadInfo)
body = s.replaceSecrets(body)
for _, url := range payload.Urls {
url = s.replaceSecrets(url)
url = s.replaceVars(url, eventPayloadInfo)
if err = shoutrrr.Send(url, body); err != nil {
return err
}
}
break
default:
return newServiceError(General, errors.New("no matching action type found for invocation"))
}
return nil
}
func (s *actionInvocationService) replaceSecrets(str string) string {
if str == "" {
return str
}
var matches [][]string
matches = util.ExtractBetween(str, "<SECRET>", "</SECRET>")
var err error
for _, match := range matches {
var val string
if val, err = s.secretService.getValueByKey(match[1]); err != nil {
zap.L().Sugar().Warnf("Could not inject secret '%s'. Reason: %s", match[1], err.Error())
continue
}
str = strings.ReplaceAll(str, match[0], val)
}
return str
}
func (s *actionInvocationService) replaceVars(str string, eventPayloadInfo *eventPayloadInformationDto) string {
if str == "" || eventPayloadInfo == nil {
return str
}
str = strings.ReplaceAll(str, "<VAR>APPLICATION</VAR>", eventPayloadInfo.Application)
str = strings.ReplaceAll(str, "<VAR>PROVIDER</VAR>", eventPayloadInfo.Provider)
str = strings.ReplaceAll(str, "<VAR>HOST</VAR>", eventPayloadInfo.Host)
str = strings.ReplaceAll(str, "<VAR>VERSION</VAR>", eventPayloadInfo.Version)
return str
}
func (s *actionInvocationService) paginate(page int, pageSize int, orderBy string, order string) ([]*ActionInvocation, error) {
return s.repo.paginate(page, pageSize, orderBy, order)
}
func (s *actionInvocationService) get(id string) (*ActionInvocation, error) {
if id == "" {
return nil, errorValidationNotBlank
}
e, err := s.repo.find(id)
if err != nil {
return nil, err
}
return e, nil
}
func (s *actionInvocationService) getByState(limit int, maxRetries int, state ...api.ActionInvocationState) ([]*ActionInvocation, error) {
if len(state) == 0 {
return nil, errorValidationNotEmpty
}
if limit <= 0 {
return nil, errorValidationLimitGreaterZero
}
if maxRetries <= 0 {
return nil, errorValidationMaxRetriesGreaterZero
}
return s.repo.findAllByState(limit, maxRetries, state...)
}
func (s *actionInvocationService) count() (int64, error) {
return s.repo.count()
}
func (s *actionInvocationService) delete(id string) error {
if id == "" {
return errorValidationNotBlank
}
e, err := s.get(id)
if err != nil {
return err
}
if _, err = s.repo.delete(e.ID.String()); err != nil {
return err
}
zap.L().Sugar().Infof("Deleted action '%v'", id)
return nil
}
func (s *actionInvocationService) updateState(id string, state api.ActionInvocationState) (*ActionInvocation, error) {
if id == "" || state == "" {
return nil, errorValidationNotBlank
}
var e *ActionInvocation
var err error
if e, err = s.get(id); err != nil {
return nil, err
}
if e, err = s.repo.updateState(id, state); err != nil {
return nil, err
}
zap.L().Sugar().Infof("Modified action invocation '%v'", id)
return e, nil
}
func (s *actionInvocationService) updateMessage(id string, message *string) (*ActionInvocation, error) {
if id == "" {
return nil, errorValidationNotBlank
}
var e *ActionInvocation
var err error
if e, err = s.get(id); err != nil {
return nil, err
}
if e, err = s.repo.updateMessage(id, message); err != nil {
return nil, err
}
zap.L().Sugar().Infof("Modified action invocation '%v'", id)
return e, nil
}
func (s *actionInvocationService) updateRetryCount(id string, retryCount int) (*ActionInvocation, error) {
if id == "" {
return nil, errorValidationNotBlank
}
var e *ActionInvocation
var err error
if e, err = s.get(id); err != nil {
return nil, err
}
if e, err = s.repo.updateRetryCount(id, retryCount); err != nil {
return nil, err
}
zap.L().Sugar().Infof("Modified action invocation '%v'", id)
return e, nil
}
func (s *actionInvocationService) create(event *Event, action *Action, state api.ActionInvocationState) (*ActionInvocation, error) {
if state == "" {
return nil, errorValidationNotBlank
}
if action == nil || event == nil {
return nil, errorValidationNotEmpty
}
var err error
var e *ActionInvocation
if e, err = s.repo.create(event.ID.String(), action.ID.String(), state); err != nil {
return nil, err
} else {
zap.L().Sugar().Info("Created action invocation")
return e, nil
}
}
func (s *actionInvocationService) cleanStale(time time.Time, maxRetries int, state ...api.ActionInvocationState) (int64, error) {
if len(state) == 0 {
return 0, errorValidationNotEmpty
}
return s.repo.deleteByUpdatedAtBeforeAndStates(time, maxRetries, state...)
}