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workflowservice.go
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workflowservice.go
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package workflowservice
/*
Copyright 2018 - 2021 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/gorilla/mux"
"github.com/percona/percona-postgresql-operator/internal/apiserver"
msgs "github.com/percona/percona-postgresql-operator/pkg/apiservermsgs"
log "github.com/sirupsen/logrus"
)
// ShowWorkflowHandler ...
// returns a ShowWorkflowResponse
func ShowWorkflowHandler(w http.ResponseWriter, r *http.Request) {
// swagger:operation GET /workflow/{id} workflowservice workflow
//
// ---
// produces:
// - application/json
// parameters:
// - name: "id"
// description: "Workflow ID"
// in: "path"
// type: "string"
// required: true
// - name: "version"
// description: "Client Version"
// in: "path"
// type: "string"
// required: true
// - name: "namespace"
// description: "Namespace"
// in: "path"
// type: "string"
// required: true
// responses:
// '200':
// description: Output
// schema:
// "$ref": "#/definitions/CreatePolicyResponse"
var err error
var username, ns string
vars := mux.Vars(r)
workflowID := vars["id"]
clientVersion := r.URL.Query().Get("version")
namespace := r.URL.Query().Get("namespace")
log.Debugf("ShowWorkflowHandler parameters version [%s] namespace [%s] id [%s]", clientVersion, namespace, workflowID)
username, err = apiserver.Authn(apiserver.SHOW_WORKFLOW_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.ShowWorkflowResponse{}
resp.Status = msgs.Status{Code: msgs.Ok, Msg: ""}
if clientVersion != msgs.PGO_VERSION {
resp.Status.Code = msgs.Error
resp.Status.Msg = apiserver.VERSION_MISMATCH_ERROR
_ = json.NewEncoder(w).Encode(resp)
return
}
ns, err = apiserver.GetNamespace(apiserver.Clientset, username, namespace)
if err != nil {
resp.Status.Code = msgs.Error
resp.Status.Msg = err.Error()
_ = json.NewEncoder(w).Encode(resp)
return
}
resp.Results, err = ShowWorkflow(workflowID, ns)
if err != nil {
resp.Status.Code = msgs.Error
resp.Status.Msg = err.Error()
}
_ = json.NewEncoder(w).Encode(resp)
}