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upgradeservice.go
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/
upgradeservice.go
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package upgradeservice
/*
Copyright 2017 - 2020 Crunchy Data Solutions, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import (
"encoding/json"
"net/http"
"github.com/crunchydata/postgres-operator/apiserver"
msgs "github.com/crunchydata/postgres-operator/apiservermsgs"
log "github.com/sirupsen/logrus"
)
// CreateUpgradeHandler ...
// pgo upgrade mycluster
func CreateUpgradeHandler(w http.ResponseWriter, r *http.Request) {
// swagger:operation POST /upgrades upgradeservice upgrades
/*```
UPGRADE performs an upgrade on a PostgreSQL cluster from an earlier version
of the Postgres Operator to the current version.
OTHER UPGRADE DESCRIPTION:
This upgrade will update the scale down any existing replicas while saving the primary
and pgbackrest repo PVCs, then update the existing pgcluster CR and resubmit it for
re-creation.
*/
// ---
// produces:
// - application/json
// parameters:
// - name: "Create Upgrade Request"
// in: "body"
// schema:
// "$ref": "#/definitions/CreateUpgradeRequest"
// responses:
// '200':
// description: Output
// schema:
// "$ref": "#/definitions/CreateUpgradeResponse"
var ns string
log.Debug("upgradeservice.CreateUpgradeHandler called")
var request msgs.CreateUpgradeRequest
_ = json.NewDecoder(r.Body).Decode(&request)
username, err := apiserver.Authn(apiserver.CREATE_UPGRADE_PERM, w, r)
if err != nil {
return
}
w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
resp := msgs.CreateUpgradeResponse{}
resp.Status = msgs.Status{Code: msgs.Ok, Msg: ""}
if request.ClientVersion != msgs.PGO_VERSION {
resp.Status = msgs.Status{Code: msgs.Error, Msg: apiserver.VERSION_MISMATCH_ERROR}
json.NewEncoder(w).Encode(resp)
return
}
ns, err = apiserver.GetNamespace(apiserver.Clientset, username, request.Namespace)
if err != nil {
resp.Status = msgs.Status{Code: msgs.Error, Msg: err.Error()}
json.NewEncoder(w).Encode(resp)
return
}
resp = CreateUpgrade(&request, ns, username)
json.NewEncoder(w).Encode(resp)
}