worker: Configure AWS credentials in the worker

cmd/osbuild-worker/main.go

@@ -97,6 +97,9 @@ func main() {
 		Azure *struct {
 			Credentials string `toml:"credentials"`
 		} `toml:"azure"`
+		AWS *struct {
+			Credentials string `toml:"credentials"`
+		} `toml:"aws"`
 		Authentication *struct {
 			OAuthURL         string `toml:"oauth_url"`
 			OfflineTokenPath string `toml:"offline_token"`
@@ -232,6 +235,14 @@ func main() {
 		}
 	}
 
+	// If the credentials are not provided in the configuration, then the
+	// worker will look in $HOME/.aws/credentials or at the file pointed by
+	// the "AWS_SHARED_CREDENTIALS_FILE" variable.
+	var awsCredentials = ""
+	if config.AWS != nil {
+		awsCredentials = config.AWS.Credentials
+	}
+
 	jobImpls := map[string]JobImplementation{
 		"osbuild": &OSBuildJobImpl{
 			Store:       store,
@@ -239,6 +250,7 @@ func main() {
 			KojiServers: kojiServers,
 			GCPCreds:    gcpCredentials,
 			AzureCreds:  azureCredentials,
+			AWSCreds:    awsCredentials,
 		},
 		"osbuild-koji": &OSBuildKojiJobImpl{
 			Store:       store,