feat: add cobra and viper setup

.gitignore

@@ -24,6 +24,9 @@
 # Go workspace file
 go.work
 
+# Build files
+/out
+
 ### Helm ###
 # Chart dependencies
 **/charts/*.tgz

cmd/backup.go

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2023 cluetec GmbH
+ *
+ * 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 cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// backupCmd represents the backup command
+var backupCmd = &cobra.Command{
+	Use:   "backup",
+	Short: "Execute the backup.",
+	Long:  "Execute the backup. Used config can be overridden by providing arguments.",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("backup called")
+	},
+}

cmd/root.go

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2023 cluetec GmbH
+ *
+ * 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 cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "lb",
+	Short: "Perform backups from any source to any destination.",
+	Long:  "Lifeboat is a general purpose backup tool which supports backups for arbitrary sources and destinations.",
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	rootCmd.AddCommand(backupCmd)
+}

go.mod

@@ -0,0 +1,31 @@
+module github.com/cluetec/lifeboat
+
+go 1.21.3
+
+require (
+	github.com/spf13/cobra v1.7.0
+	github.com/spf13/viper v1.17.0
+)
+
+require (
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
+	github.com/sagikazarmark/locafero v0.3.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.10.0 // indirect
+	github.com/spf13/cast v1.5.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

internal/config/config.go

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2023 cluetec GmbH
+ *
+ * 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 config
+
+import (
+	"log/slog"
+	"strings"
+
+	"github.com/spf13/viper"
+)
+
+func InitViper() error {
+	viper.AutomaticEnv()
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	viper.AddConfigPath(".")
+	viper.SetConfigFile("./config.yaml")
+
+	if err := viper.ReadInConfig(); err != nil {
+		slog.Error("error while reading in the configs: %w", err)
+		return err
+	}
+
+	return nil
+}

internal_open_discussion.md

@@ -2,35 +2,35 @@
 
 ## Planned features
 
-- Step: 1
-  - Init cobra & viper setup
-  - Dynamic config loading with viper (`type`)
-- Step: 2
-  - Init slog setup
-- Implement Filesystem to Filesystem backup
-  - Think about the interfaces
-- Implement Vault to Filesystem backup
+- [ ] Step: 1
+  - [x] Init cobra & viper setup
+  - [ ] Dynamic config loading with viper (`type`)
+- [ ] Step: 2
+  - [ ] Init slog setup
+- [ ] Implement Filesystem to Filesystem backup
+  - [ ] Think about the interfaces
+- [ ] Implement Vault to Filesystem backup
 
 For later:
 
-- Define multiple destinations
-- Azure Blob
-  - Support additional auth mechanism
-- Creating full-backups from
-  - SSH/Rsync
-  - MongoDB
-  - PostgreSQL
-  - Disk
-- Delete backups that are older than X
-- Create incremental backups from
-  - MongoDB
-  - PostgreSQL
-- Define multiple sources
-- K8s Volume replication
-- Encryption
-- Compression
-- Implement command `check-config`
-- Implement command `generate-config`
+- [ ] Define multiple destinations
+- [ ] Azure Blob
+  - [ ] Support additional auth mechanism
+- [ ] Creating full-backups from
+  - [ ] SSH/Rsync
+  - [ ] MongoDB
+  - [ ] PostgreSQL
+  - [ ] Disk
+- [ ] Delete backups that are older than X
+- [ ] Create incremental backups from
+  - [ ] MongoDB
+  - [ ] PostgreSQL
+- [ ] Define multiple sources
+- [ ] K8s Volume replication
+- [ ] Encryption
+- [ ] Compression
+- [ ] Implement command `check-config`
+- [ ] Implement command `generate-config`
 
 ## Config ideas
 
@@ -40,7 +40,6 @@ source:
   address: http://localhost:8200
   token: xxx
 
-
 destination:
   type: azureBlob
   containerName: backup
@@ -53,6 +52,7 @@ lb backup
 ```
 
 ---
+
 ```yaml
 sources:
   production-env:
@@ -87,7 +87,6 @@ sources:
     address: http://localhost:8200
     token: xxx
 
-
 destination:
   type: azureBlob
   name: backup

main.go

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2023 cluetec GmbH
+ *
+ * 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 main
+
+import "github.com/cluetec/lifeboat/cmd"
+
+func main() {
+	cmd.Execute()
+}