Add awsconfig helper

Signed-off-by: gearnode <bryan@frimin.fr>

pkg/awsconfig/config.go

@@ -0,0 +1,90 @@
+// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package awsconfig
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/credentials"
+	"github.com/aws/aws-sdk-go-v2/credentials/ec2rolecreds"
+	"go.gearno.de/kit/httpclient"
+	"go.gearno.de/kit/log"
+)
+
+type (
+	Options struct {
+		SessionName     string
+		Endpoint        string
+		Region          string
+		AccessKeyID     string
+		SecretAccessKey string
+	}
+)
+
+const (
+	DefaultRegion      = "us-east-2"
+	DefaultSessionName = "github.com/getprobo/probo"
+)
+
+func NewConfig(logger *log.Logger, httpClient *http.Client, opts Options) aws.Config {
+	if opts.Region == "" {
+		opts.Region = DefaultRegion
+	}
+
+	if opts.SessionName == "" {
+		opts.SessionName = ""
+	}
+
+	logger = logger.Named(
+		"aws.client",
+		log.WithAttributes(
+			log.String("region", opts.Region),
+			log.String("endpoint", opts.Endpoint),
+			log.String("session_name", opts.SessionName),
+		),
+	)
+
+	if httpClient == nil {
+		httpClient = httpclient.DefaultPooledClient(httpclient.WithLogger(logger))
+	}
+
+	cfg := aws.NewConfig()
+	cfg.HTTPClient = httpClient
+	cfg.Region = opts.Region
+	// cfg.Logger = logger TODO: add logger interface for aws
+
+	if opts.AccessKeyID != "" && opts.SecretAccessKey != "" {
+		cfg.Credentials = credentials.NewStaticCredentialsProvider(
+			opts.AccessKeyID,
+			opts.SecretAccessKey,
+			opts.SessionName,
+		)
+	} else {
+		cfg.Credentials = aws.NewCredentialsCache(
+			ec2rolecreds.New(),
+			func(o *aws.CredentialsCacheOptions) {
+				o.ExpiryWindow = 10 * time.Minute
+			},
+		)
+	}
+
+	if opts.Endpoint != "" {
+		cfg.BaseEndpoint = aws.String(opts.Endpoint)
+	}
+
+	return cfg.Copy()
+}