Refactored storage config and added a few env vars for setting up it

cmd/greenmask/cmd/root.go

@@ -91,6 +91,10 @@ func init() {
 		),
 	)
 
+	if err := registerEnvVars(); err != nil {
+		log.Fatal().Err(err).Msg("unable to register env vars")
+	}
+
 	RootCmd.AddCommand(dump.Cmd)
 	RootCmd.AddCommand(list_dumps.Cmd)
 	RootCmd.AddCommand(restore.Cmd)
@@ -100,7 +104,6 @@ func init() {
 	RootCmd.AddCommand(validate.Cmd)
 	RootCmd.AddCommand(show_transformer.Cmd)
 
-
 	if err := viper.BindPFlag("log.format", RootCmd.PersistentFlags().Lookup("log-format")); err != nil {
 		log.Fatal().Err(err).Msg("")
 	}
@@ -124,6 +127,21 @@ func init() {
 
 }
 
+func registerEnvVars() error {
+	varMap := map[string]string{
+		"storage.type":           "STORAGE_TYPE",
+		"storage.directory.path": "STORAGE_DIRECTORY_PATH",
+		"common.pg_bin_path":     "COMMON_PG_BIN_PATH",
+	}
+
+	for configPath, envVarName := range varMap {
+		if err := viper.BindEnv(configPath, envVarName); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 func initConfig() {
 	if cfgFile != "" {
 		viper.SetConfigFile(cfgFile)
@@ -147,4 +165,4 @@ func initConfig() {
 		log.Fatal().Err(err).Msg("")
 	}
 
-}
+}

docs/configuration.md

@@ -1,4 +1,4 @@
-# Configuration
+    # Configuration
 
 The configuration is organized into six sections:
 
@@ -31,7 +31,7 @@ In the `log` section of the configuration, you can specify the following setting
 ## `storage` section
 
 In the `storage` section, you can configure the storage driver for storing the dumped data. Currently,
-two storage options are supported: `directory` and `s3`.
+two storage `type` options are supported: `directory` and `s3`.
 
 === "`directory` option"
 
@@ -41,6 +41,7 @@ two storage options are supported: `directory` and `s3`.
 
     ``` yaml title="directory storage config example"
     storage:
+      type: "directory"
       directory:
         path: "/home/user_name/storage_dir" # (1)
     ```
@@ -71,6 +72,7 @@ two storage options are supported: `directory` and `s3`.
 
     ```yaml title="s3 storage config example for Minio running in Docker"
     storage:  
+      type: "s3"
       s3:
         endpoint: "http://localhost:9000"
         bucket: "testbucket"

go.mod

@@ -4,25 +4,25 @@ go 1.21
 
 require (
 	github.com/Masterminds/sprig/v3 v3.2.3
-	github.com/aws/aws-sdk-go v1.49.14
+	github.com/aws/aws-sdk-go v1.51.14
 	github.com/ggwhite/go-masker v1.1.0
-	github.com/go-faker/faker/v4 v4.2.0
-	github.com/google/uuid v1.5.0
+	github.com/go-faker/faker/v4 v4.4.0
+	github.com/google/uuid v1.6.0
 	github.com/jackc/pgx-shopspring-decimal v0.0.0-20220624020537-1d36b5a1853e
-	github.com/jackc/pgx/v5 v5.5.1
+	github.com/jackc/pgx/v5 v5.5.5
 	github.com/mitchellh/go-wordwrap v1.0.1
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/pkg/errors v0.9.1
-	github.com/rs/zerolog v1.31.0
+	github.com/rs/zerolog v1.32.0
 	github.com/spf13/cast v1.6.0
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/viper v1.18.2
-	github.com/stretchr/testify v1.8.4
-	github.com/tidwall/gjson v1.17.0
+	github.com/stretchr/testify v1.9.0
+	github.com/tidwall/gjson v1.17.1
 	github.com/tidwall/sjson v1.2.5
-	golang.org/x/crypto v0.17.0
-	golang.org/x/sync v0.5.0
+	golang.org/x/crypto v0.21.0
+	golang.org/x/sync v0.6.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
@@ -58,7 +58,7 @@ require (
 	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 v0.15.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 )

go.sum

@@ -4,10 +4,8 @@ github.com/Masterminds/semver/v3 v3.2.0 h1:3MEsd0SM6jqZojhjLWWeBY+Kcjy9i6MQAeY7Y
 github.com/Masterminds/semver/v3 v3.2.0/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
 github.com/Masterminds/sprig/v3 v3.2.3 h1:eL2fZNezLomi0uOLqjQoN6BfsDD+fyLtgbJMAj9n6YA=
 github.com/Masterminds/sprig/v3 v3.2.3/go.mod h1:rXcFaZ2zZbLRJv/xSysmlgIM1u11eBaRMhvYXJNkGuM=
-github.com/aws/aws-sdk-go v1.49.9 h1:4xoyi707rsifB1yMsd5vGbAH21aBzwpL3gNRMSmjIyc=
-github.com/aws/aws-sdk-go v1.49.9/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
-github.com/aws/aws-sdk-go v1.49.14 h1:AZ7wfESxXuqQElXRnDCaohJSUSaf2s7c2uPB7g5js/w=
-github.com/aws/aws-sdk-go v1.49.14/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
+github.com/aws/aws-sdk-go v1.51.14 h1:qedX6zZEO1a+5kra+D4ythOYR3TgaROC0hTPxhTFh8I=
+github.com/aws/aws-sdk-go v1.51.14/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -20,14 +18,14 @@ github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nos
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/ggwhite/go-masker v1.1.0 h1:kN/KIvktu2U+hd3KWrSlLj7xBGD1iBfc9/xdbVgFbRc=
 github.com/ggwhite/go-masker v1.1.0/go.mod h1:xnTRHwrIU9FtBADwEjUC5Dy/BVedvoTxyOE7/d3CNwY=
-github.com/go-faker/faker/v4 v4.2.0 h1:dGebOupKwssrODV51E0zbMrv5e2gO9VWSLNC1WDCpWg=
-github.com/go-faker/faker/v4 v4.2.0/go.mod h1:F/bBy8GH9NxOxMInug5Gx4WYeG6fHJZ8Ol/dhcpRub4=
+github.com/go-faker/faker/v4 v4.4.0 h1:t/JY+FQ5zCxIk6yenedGmS52ktTTB285BvA39JPnOOw=
+github.com/go-faker/faker/v4 v4.4.0/go.mod h1:HRLrjis+tYsbFtIHufEPTAIzcZiRu0rS9EYl2Ccwme4=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
-github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/huandu/xstrings v1.3.3 h1:/Gcsuc1x8JVbJ9/rlye4xZnVAbEkGauT8lbebqcQws4=
@@ -42,8 +40,8 @@ github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a h1:bbPeKD0xmW/
 github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
 github.com/jackc/pgx-shopspring-decimal v0.0.0-20220624020537-1d36b5a1853e h1:i3gQ/Zo7sk4LUVbsAjTNeC4gIjoPNIZVzs4EXstssV4=
 github.com/jackc/pgx-shopspring-decimal v0.0.0-20220624020537-1d36b5a1853e/go.mod h1:zUHglCZ4mpDUPgIwqEKoba6+tcUQzRdb1+DPTuYe9pI=
-github.com/jackc/pgx/v5 v5.5.1 h1:5I9etrGkLrN+2XPCsi6XLlV5DITbSL/xBZdmAxFcXPI=
-github.com/jackc/pgx/v5 v5.5.1/go.mod h1:Ig06C2Vu0t5qXC60W8sqIthScaEnFvojjj9dSljmHRA=
+github.com/jackc/pgx/v5 v5.5.5 h1:amBjrZVmksIdNjxGW/IiIMzxMKZFelXbUoPNb+8sjQw=
+github.com/jackc/pgx/v5 v5.5.5/go.mod h1:ez9gk+OAat140fv9ErkZDYFWmXLfV+++K0uAOiwgm1A=
 github.com/jackc/puddle/v2 v2.2.1 h1:RhxXJtFG022u4ibrCSMSiu5aOq1i77R3OHKNJj77OAk=
 github.com/jackc/puddle/v2 v2.2.1/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
@@ -83,8 +81,8 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH
 github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
-github.com/rs/zerolog v1.31.0 h1:FcTR3NnLWW+NnTwwhFWiJSZr4ECLpqCm6QsEnyvbV4A=
-github.com/rs/zerolog v1.31.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
+github.com/rs/zerolog v1.32.0 h1:keLypqrlIjaFsbmJOBdB/qvyF8KEtCWHwobLp5l/mQ0=
+github.com/rs/zerolog v1.32.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/sagikazarmark/locafero v0.4.0 h1:HApY1R9zGo4DBgr7dqsTH/JJxLTTsOt7u6keLGt6kNQ=
 github.com/sagikazarmark/locafero v0.4.0/go.mod h1:Pe1W6UlPYUk/+wc/6KFhbORCfqzgYEpgQ3O5fPuL3H4=
@@ -115,13 +113,14 @@ github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
 github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
 github.com/tidwall/gjson v1.14.2/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
-github.com/tidwall/gjson v1.17.0 h1:/Jocvlh98kcTfpN2+JzGQWQcqrPQwDrVEMApx/M5ZwM=
-github.com/tidwall/gjson v1.17.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/gjson v1.17.1 h1:wlYEnwqAHgzmhNUFfw7Xalt2JzQvsMx2Se4PcoFCT/U=
+github.com/tidwall/gjson v1.17.1/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
 github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
 github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
 github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
@@ -136,21 +135,21 @@ go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTV
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
-golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
-golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
+golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
-golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
-golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
+golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
-golang.org/x/sync v0.5.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
+golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -160,8 +159,8 @@ golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
-golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=

internal/domains/config.go

@@ -30,7 +30,10 @@ var (
 	once sync.Once
 )
 
-const defaultDirectoryStoragePath = "/tmp"
+const (
+	defaultDirectoryStoragePath = "/tmp"
+	defaultStorageType          = "directory"
+)
 
 func NewConfig() *Config {
 	once.Do(
@@ -40,7 +43,9 @@ func NewConfig() *Config {
 					TempDirectory: defaultDirectoryStoragePath,
 				},
 				Storage: StorageConfig{
-					S3: s3.NewConfig(),
+					Type:      defaultStorageType,
+					S3:        s3.NewConfig(),
+					Directory: directory.NewConfig(),
 				},
 			}
 		},
@@ -77,6 +82,7 @@ type Common struct {
 }
 
 type StorageConfig struct {
+	Type      string            `mapstructure:"type" yaml:"type" json:"type,omitempty"`
 	S3        *s3.Config        `mapstructure:"s3"  json:"s3,omitempty" yaml:"s3"`
 	Directory *directory.Config `mapstructure:"directory" json:"directory,omitempty" yaml:"directory"`
 }

internal/storages/builder/builder.go

@@ -16,21 +16,34 @@ package builder
 
 import (
 	"context"
-	"errors"
+	"fmt"
 
 	"github.com/greenmaskio/greenmask/internal/domains"
 	"github.com/greenmaskio/greenmask/internal/storages"
 	"github.com/greenmaskio/greenmask/internal/storages/directory"
 	"github.com/greenmaskio/greenmask/internal/storages/s3"
 )
 
+const (
+	DirectoryStorageType = "directory"
+	S3StorageType        = "s3"
+)
+
 func GetStorage(ctx context.Context, stCfg *domains.StorageConfig, logCgf *domains.LogConfig) (
 	storages.Storager, error,
 ) {
-	if stCfg.Directory != nil {
+
+	switch stCfg.Type {
+	case DirectoryStorageType:
+		if err := stCfg.Directory.Validate(); err != nil {
+			return nil, fmt.Errorf("directory storage config validation failed: %w", err)
+		}
 		return directory.NewStorage(stCfg.Directory)
-	} else if stCfg.S3 != nil {
+	case S3StorageType:
+		if err := stCfg.S3.Validate(); err != nil {
+			return nil, fmt.Errorf("s3 storage config validation failed: %w", err)
+		}
 		return s3.NewStorage(ctx, stCfg.S3, logCgf.Level)
 	}
-	return nil, errors.New("no one storage was provided")
+	return nil, fmt.Errorf("unknown storage type: %s", stCfg.Type)
 }

internal/storages/directory/config.go

@@ -14,6 +14,27 @@
 
 package directory
 
+import (
+	"errors"
+	"os"
+)
+
+var ErrPathIsRequired = errors.New("path is required")
+
 type Config struct {
 	Path string `mapstructure:"path"`
 }
+
+func NewConfig() *Config {
+	return &Config{}
+}
+
+func (d *Config) Validate() error {
+	if d.Path == "" {
+		return ErrPathIsRequired
+	}
+	if _, err := os.Stat(d.Path); err != nil {
+		return err
+	}
+	return nil
+}

tests/integration/greenmask/backward_compatibility_test.go

@@ -30,6 +30,7 @@ import (
 
 	"github.com/greenmaskio/greenmask/internal/db/postgres/pgdump"
 	"github.com/greenmaskio/greenmask/internal/domains"
+	"github.com/greenmaskio/greenmask/internal/storages/builder"
 	"github.com/greenmaskio/greenmask/internal/storages/directory"
 	"github.com/greenmaskio/greenmask/pkg/toolkit"
 )
@@ -44,6 +45,7 @@ var config = &domains.Config{
 		Format: "text",
 	},
 	Storage: domains.StorageConfig{
+		Type: builder.DirectoryStorageType,
 		Directory: &directory.Config{
 			Path: "/tmp",
 		},