initial commit

pkg/cfg/config.go

@@ -0,0 +1,73 @@
+/*
+Copyright © 2026 Thomas von Dein
+
+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 cfg
+
+import (
+	"crypto/tls"
+	"errors"
+	"net/http"
+	"os"
+
+	"github.com/elastic/elastic-transport-go/v8/elastictransport"
+	"github.com/elastic/go-elasticsearch/v9"
+)
+
+const (
+	Version string = `v0.0.1`
+)
+
+type Config struct {
+	Uri, User, Pass string
+	ES              *elasticsearch.TypedClient
+	Debug           bool
+	From, To        int
+	Index           string
+	Filter          []string
+}
+
+func Init() (*Config, error) {
+	cfg := Config{
+		Uri:  os.Getenv("ES_URI"),
+		User: os.Getenv("ES_USER"),
+		Pass: os.Getenv("ES_PASS"),
+	}
+
+	switch {
+	case cfg.Uri == "":
+		return nil, errors.New("ES_URI unset")
+	case cfg.User == "":
+		return nil, errors.New("ES_USER unset")
+	case cfg.Pass == "":
+		return nil, errors.New("ES_PASS unset")
+	}
+
+	es, _ := elasticsearch.NewTyped(
+		elasticsearch.WithAddresses(cfg.Uri),
+		elasticsearch.WithBasicAuth(cfg.User, cfg.Pass),
+		elasticsearch.WithTransportOptions(
+			elastictransport.WithTransport(
+				&http.Transport{
+					TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+				},
+			),
+		),
+	)
+
+	cfg.ES = es
+
+	return &cfg, nil
+}