Add get-config.go

cmd/signaldctl/cmd/config/get/get-config.go

@@ -0,0 +1,71 @@
+// Copyright © 2021 Finn Herzfeld <finn@janky.solutions>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package get
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+	"reflect"
+
+	"github.com/jedib0t/go-pretty/v6/table"
+	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v2"
+
+	"gitlab.com/signald/signald-go/cmd/signaldctl/common"
+	"gitlab.com/signald/signald-go/cmd/signaldctl/config"
+)
+
+var (
+	GetConfigCmd = &cobra.Command{
+		Use:         "get",
+		Short:       "get signaldctl configuration values",
+		Annotations: map[string]string{common.AnnotationNoSocketConnection: "true"},
+		Run: func(_ *cobra.Command, _ []string) {
+			switch common.OutputFormat {
+			case common.OutputFormatJSON:
+				err := json.NewEncoder(os.Stdout).Encode(config.Config)
+				if err != nil {
+					log.Fatal(err, "error encoding response to stdout")
+				}
+			case common.OutputFormatYAML:
+				err := yaml.NewEncoder(os.Stdout).Encode(config.Config)
+				if err != nil {
+					log.Fatal(err, "error encoding response to stdout")
+				}
+			case common.OutputFormatCSV, common.OutputFormatTable, common.OutputFormatDefault:
+				t := table.NewWriter()
+				t.SetOutputMirror(os.Stdout)
+
+				v := reflect.ValueOf(config.Config)
+				ty := reflect.TypeOf(config.Config)
+				for i := 0; i < v.NumField(); i++ {
+					f := v.Field(i)
+					t.AppendRow(table.Row{ty.Field(i).Name, f.String()})
+				}
+
+				if common.OutputFormat == common.OutputFormatCSV {
+					t.RenderCSV()
+				} else {
+					t.SetStyle(table.StyleLight)
+					t.Render()
+				}
+			default:
+				log.Fatal("Unsupported output format")
+			}
+		},
+	}
+)

cmd/signaldctl/cmd/config/root.go

@@ -18,6 +18,7 @@ package configcmd
 import (
 	"github.com/spf13/cobra"
 
+	"gitlab.com/signald/signald-go/cmd/signaldctl/cmd/config/get"
 	"gitlab.com/signald/signald-go/cmd/signaldctl/cmd/config/set"
 )
 
@@ -27,4 +28,5 @@ var ConfigCmd = &cobra.Command{
 
 func init() {
 	ConfigCmd.AddCommand(set.SetConfigCmd)
+	ConfigCmd.AddCommand(get.GetConfigCmd)
 }

cmd/signaldctl/config/config.go

@@ -22,6 +22,8 @@ import (
 	"gopkg.in/yaml.v2"
 )
 
+// Configuration is the signaldctl configuration
+// remember to update cmd/signaldctl/cmd/config/set when adding here
 type Configuration struct {
 	// DefaultAccount will be used if --account is not provided
 	DefaultAccount string
@@ -31,6 +33,9 @@ type Configuration struct {
 }
 
 var Path string
+
+// Config is the variable the configuration gets loaded into
+// values shown here are used as defaults
 var Config = Configuration{
 	SocketPath: "/var/run/signald/signald.sock",
 }