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update_checker_spec.go
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update_checker_spec.go
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package handlers
import (
"encoding/json"
"errors"
"net/http"
"github.com/replicatedhq/kots/pkg/kotsutil"
"github.com/gorilla/mux"
apptypes "github.com/replicatedhq/kots/pkg/app/types"
"github.com/replicatedhq/kots/pkg/logger"
"github.com/replicatedhq/kots/pkg/store"
"github.com/replicatedhq/kots/pkg/updatechecker"
cron "github.com/robfig/cron/v3"
)
type ConfigureAutomaticUpdatesRequest struct {
UpdateCheckerSpec string `json:"updateCheckerSpec"`
AutoDeploy apptypes.AutoDeploy `json:"autoDeploy"`
}
type ConfigureAutomaticUpdatesResponse struct {
Error string `json:"error"`
}
func (h *Handler) ConfigureAutomaticUpdates(w http.ResponseWriter, r *http.Request) {
updateCheckerSpecResponse := &ConfigureAutomaticUpdatesResponse{}
configureAutomaticUpdatesRequest := ConfigureAutomaticUpdatesRequest{}
if err := json.NewDecoder(r.Body).Decode(&configureAutomaticUpdatesRequest); err != nil {
logger.Error(err)
updateCheckerSpecResponse.Error = "failed to decode request body"
JSON(w, 400, updateCheckerSpecResponse)
return
}
foundApp, err := store.GetStore().GetAppFromSlug(mux.Vars(r)["appSlug"])
if err != nil {
logger.Error(err)
updateCheckerSpecResponse.Error = "failed to get app from slug"
JSON(w, 500, updateCheckerSpecResponse)
return
}
license, err := kotsutil.LoadLicenseFromBytes([]byte(foundApp.License))
if err != nil {
logger.Error(err)
updateCheckerSpecResponse.Error = "failed to get license from app"
JSON(w, 500, updateCheckerSpecResponse)
return
}
// Check if the deploy update configuration is valid based on app channel
if license.Spec.IsSemverRequired {
if configureAutomaticUpdatesRequest.AutoDeploy == apptypes.AutoDeploySequence {
updateCheckerSpecResponse.Error = "automatic updates based on sequence type are not supported for semantic versioning apps"
JSON(w, 422, updateCheckerSpecResponse)
return
}
} else {
if configureAutomaticUpdatesRequest.AutoDeploy != apptypes.AutoDeployDisabled && configureAutomaticUpdatesRequest.AutoDeploy != apptypes.AutoDeploySequence {
updateCheckerSpecResponse.Error = "automatic updates based on semantic versioning are not supported for non-semantic versioning apps"
JSON(w, 422, updateCheckerSpecResponse)
return
}
}
if foundApp.IsAirgap {
logger.Error(errors.New("airgap scheduled update checks are not supported"))
updateCheckerSpecResponse.Error = "airgap scheduled update checks are not supported"
JSON(w, 400, updateCheckerSpecResponse)
return
}
// validate cron spec
cronSpec := configureAutomaticUpdatesRequest.UpdateCheckerSpec
if cronSpec != "@never" && cronSpec != "@default" {
_, err := cron.ParseStandard(cronSpec)
if err != nil {
logger.Error(err)
updateCheckerSpecResponse.Error = "failed to parse cron spec"
JSON(w, 500, updateCheckerSpecResponse)
return
}
}
if err := store.GetStore().SetUpdateCheckerSpec(foundApp.ID, cronSpec); err != nil {
logger.Error(err)
updateCheckerSpecResponse.Error = "failed to set update checker spec"
JSON(w, 500, updateCheckerSpecResponse)
return
}
if err := store.GetStore().SetAutoDeploy(foundApp.ID, configureAutomaticUpdatesRequest.AutoDeploy); err != nil {
logger.Error(err)
updateCheckerSpecResponse.Error = "failed to set auto deploy"
JSON(w, 500, updateCheckerSpecResponse)
return
}
// reconfigure update checker for the app
if err := updatechecker.Configure(foundApp.ID); err != nil {
logger.Error(err)
updateCheckerSpecResponse.Error = "failed to reconfigure update checker cron job"
JSON(w, 500, updateCheckerSpecResponse)
return
}
JSON(w, 204, "")
}