Files
vctp2/server/handler/vmDelete.go
Nathan Coad 282459ccf8
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add code to handle deletion event
2024-09-16 10:50:05 +10:00

76 lines
2.4 KiB
Go

package handler
import (
"context"
"database/sql"
"encoding/json"
"fmt"
"io"
"net/http"
"time"
"vctp/db/queries"
models "vctp/server/models"
)
// VmUpdate receives the CloudEvent for a VM modification or move
func (h *Handler) VmDelete(w http.ResponseWriter, r *http.Request) {
var (
deletedTimestamp int64
)
reqBody, err := io.ReadAll(r.Body)
if err != nil {
h.Logger.Error("Invalid data received", "error", err)
fmt.Fprintf(w, "Invalid data received")
w.WriteHeader(http.StatusInternalServerError)
return
} else {
h.Logger.Debug("received input data", "length", len(reqBody))
}
// Decode the JSON body into CloudEventReceived struct
var event models.CloudEventReceived
if err := json.Unmarshal(reqBody, &event); err != nil {
h.Logger.Error("unable to decode json", "error", err)
http.Error(w, "Invalid JSON body", http.StatusBadRequest)
return
} else {
h.Logger.Debug("successfully decoded JSON")
prettyPrint(event)
}
// Use the event CreatedTime to update the DeletionTime column in the VM inventory table
// Parse the datetime string to a time.Time object
eventTime, err := time.Parse(time.RFC3339, event.CloudEvent.Data.CreatedTime)
if err != nil {
h.Logger.Warn("unable to convert cloud event time to timestamp", "error", err)
deletedTimestamp = time.Now().Unix()
} else {
// Convert to Unix timestamp
deletedTimestamp = eventTime.Unix()
}
// create the database parameters
params := queries.InventoryMarkDeletedParams{
DeletionTime: sql.NullInt64{Int64: deletedTimestamp, Valid: deletedTimestamp > 0},
VmId: sql.NullString{String: event.CloudEvent.Data.VM.VM.Value, Valid: event.CloudEvent.Data.VM.VM.Value != ""},
DatacenterName: sql.NullString{String: event.CloudEvent.Data.Datacenter.Name, Valid: event.CloudEvent.Data.Datacenter.Name != ""},
}
h.Logger.Debug("database params", "params", params)
err = h.Database.Queries().InventoryMarkDeleted(context.Background(), params)
if err != nil {
h.Logger.Error("Error received marking VM as deleted", "error", err)
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintf(w, "Delete Request unsuccessful %s\n", err)
} else {
w.WriteHeader(http.StatusOK)
// TODO - return some JSON
fmt.Fprintf(w, "Processed VM Deletion event successfully")
}
//h.Logger.Debug("received delete request", "body", string(reqBody))
//w.WriteHeader(http.StatusOK)
//fmt.Fprintf(w, "Delete Request (%d): %v\n", len(reqBody), string(reqBody))
}