feat: add barman keep command

pkg/capabilities/constants.go

@@ -32,6 +32,9 @@ const (
 	// BarmanCloudBackupList is the command name for 'barman-cloud-backup-delete'
 	BarmanCloudBackupList = BarmanCloudBackup + "-list"
 
+	// BarmanCloudBackupKeep is the command name for 'barma-cloud-backup-keep'
+	BarmanCloudBackupKeep = BarmanCloudBackup + "-keep"
+
 	// BarmanCloudWalArchive is the command name for 'barman-cloud-wal-archive'
 	BarmanCloudWalArchive = "barman-cloud-wal-archive"
 

pkg/command/backupkeep.go

@@ -0,0 +1,76 @@
+/*
+Copyright The CloudNativePG Contributors
+
+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.
+*/
+
+package command
+
+import (
+	"bytes"
+	"context"
+	"os/exec"
+
+	barmanApi "github.com/cloudnative-pg/barman-cloud/pkg/api"
+	barmanCapabilities "github.com/cloudnative-pg/barman-cloud/pkg/capabilities"
+	"github.com/cloudnative-pg/machinery/pkg/log"
+)
+
+func KeepBackup(
+	ctx context.Context,
+	barmanConfiguration *barmanApi.BarmanObjectStoreConfiguration,
+	backupName string,
+	serverName string,
+	keep bool,
+	keepTarget string,
+	env []string) error {
+	contextLogger := log.FromContext(ctx).WithName("barman")
+
+	options := make([]string, 0)
+
+	if barmanConfiguration.EndpointURL != "" {
+		options = append(options, "--endpoint-url", barmanConfiguration.EndpointURL)
+	}
+
+	options, err := AppendCloudProviderOptionsFromConfiguration(ctx, options, barmanConfiguration)
+	if err != nil {
+		return err
+	}
+
+	if keep {
+		options = append(options, "--target", keepTarget)
+	} else {
+		options = append(options, "--release")
+	}
+
+	options = append(options, barmanConfiguration.DestinationPath, serverName, backupName)
+
+	var stdoutBuffer bytes.Buffer
+	var stderrBuffer bytes.Buffer
+	cmd := exec.Command(barmanCapabilities.BarmanCloudBackupKeep, options...) // #nosec G204
+	cmd.Env = env
+	cmd.Stdout = &stdoutBuffer
+	cmd.Stderr = &stderrBuffer
+	err = cmd.Run()
+	if err != nil {
+		contextLogger.Error(err,
+			"Can't set keep target on backup",
+			"command", barmanCapabilities.BarmanCloudBackupKeep,
+			"options", options,
+			"stdout", stdoutBuffer.String(),
+			"stderr", stderrBuffer.String())
+		return err
+	}
+
+	return nil
+}