diff --git a/cmd/boltdb.go b/cmd/boltdb.go
index 1e22d08..ce7d44b 100644
--- a/cmd/boltdb.go
+++ b/cmd/boltdb.go
@@ -1,8 +1,6 @@
 package cmd
 
 import (
-	"strconv"
-
 	"github.com/abronan/valkeyrie/store"
 	"github.com/abronan/valkeyrie/store/boltdb"
 	"github.com/ldez/traefik-certs-dumper/dumper"
@@ -15,7 +13,7 @@ var boltdbCmd = &cobra.Command{
 	Use:   "boltdb",
 	Short: "TODO",
 	Long:  `TODO`,
-	RunE:  boltdbRun,
+	RunE:  runE(boltdbRun),
 }
 
 func init() {
@@ -25,25 +23,8 @@ func init() {
 	boltdbCmd.Flags().String("bucket", "traefik", "Bucket for boltdb.")
 }
 
-func boltdbRun(cmd *cobra.Command, _ []string) error {
-	// FIXME shared with file and all KVs
-	dumpPath := cmd.Flag("dest").Value.String()
-
-	crtInfo := dumper.FileInfo{
-		Name: cmd.Flag("crt-name").Value.String(),
-		Ext:  cmd.Flag("crt-ext").Value.String(),
-	}
-
-	keyInfo := dumper.FileInfo{
-		Name: cmd.Flag("key-name").Value.String(),
-		Ext:  cmd.Flag("key-ext").Value.String(),
-	}
-
-	subDir, _ := strconv.ParseBool(cmd.Flag("domain-subdir").Value.String())
-
-	// ---
-
-	config, err := getBaseConfig(cmd)
+func boltdbRun(baseConfig *dumper.BaseConfig, cmd *cobra.Command) error {
+	config, err := getKvConfig(cmd)
 	if err != nil {
 		return err
 	}
@@ -54,5 +35,5 @@ func boltdbRun(cmd *cobra.Command, _ []string) error {
 	config.Backend = store.BOLTDB
 	boltdb.Register()
 
-	return kv.Dump(config, dumpPath, crtInfo, keyInfo, subDir)
+	return kv.Dump(config, baseConfig)
 }
diff --git a/cmd/consul.go b/cmd/consul.go
index 27825b2..a5e536a 100644
--- a/cmd/consul.go
+++ b/cmd/consul.go
@@ -1,8 +1,6 @@
 package cmd
 
 import (
-	"strconv"
-
 	"github.com/abronan/valkeyrie/store"
 	"github.com/abronan/valkeyrie/store/consul"
 	"github.com/ldez/traefik-certs-dumper/dumper"
@@ -15,7 +13,7 @@ var consulCmd = &cobra.Command{
 	Use:   "consul",
 	Short: "TODO",
 	Long:  `TODO`,
-	RunE:  consulRun,
+	RunE:  runE(consulRun),
 }
 
 func init() {
@@ -24,25 +22,8 @@ func init() {
 	consulCmd.Flags().String("token", "", "Token for consul.")
 }
 
-func consulRun(cmd *cobra.Command, _ []string) error {
-	// FIXME shared with file and all KVs
-	dumpPath := cmd.Flag("dest").Value.String()
-
-	crtInfo := dumper.FileInfo{
-		Name: cmd.Flag("crt-name").Value.String(),
-		Ext:  cmd.Flag("crt-ext").Value.String(),
-	}
-
-	keyInfo := dumper.FileInfo{
-		Name: cmd.Flag("key-name").Value.String(),
-		Ext:  cmd.Flag("key-ext").Value.String(),
-	}
-
-	subDir, _ := strconv.ParseBool(cmd.Flag("domain-subdir").Value.String())
-
-	// ---
-
-	config, err := getBaseConfig(cmd)
+func consulRun(baseConfig *dumper.BaseConfig, cmd *cobra.Command) error {
+	config, err := getKvConfig(cmd)
 	if err != nil {
 		return err
 	}
@@ -52,5 +33,5 @@ func consulRun(cmd *cobra.Command, _ []string) error {
 	config.Backend = store.CONSUL
 	consul.Register()
 
-	return kv.Dump(config, dumpPath, crtInfo, keyInfo, subDir)
+	return kv.Dump(config, baseConfig)
 }
diff --git a/cmd/etcd.go b/cmd/etcd.go
index 3c08ce1..70d19e2 100644
--- a/cmd/etcd.go
+++ b/cmd/etcd.go
@@ -1,7 +1,6 @@
 package cmd
 
 import (
-	"strconv"
 	"time"
 
 	"github.com/abronan/valkeyrie/store"
@@ -16,7 +15,7 @@ var etcdCmd = &cobra.Command{
 	Use:   "etcd",
 	Short: "TODO",
 	Long:  `TODO`,
-	RunE:  etcdRun,
+	RunE:  runE(etcdRun),
 }
 
 func init() {
@@ -25,25 +24,8 @@ func init() {
 	etcdCmd.Flags().Int("sync-period", 0, "Sync period for etcd in seconds.")
 }
 
-func etcdRun(cmd *cobra.Command, _ []string) error {
-	// FIXME shared with file and all KVs
-	dumpPath := cmd.Flag("dest").Value.String()
-
-	crtInfo := dumper.FileInfo{
-		Name: cmd.Flag("crt-name").Value.String(),
-		Ext:  cmd.Flag("crt-ext").Value.String(),
-	}
-
-	keyInfo := dumper.FileInfo{
-		Name: cmd.Flag("key-name").Value.String(),
-		Ext:  cmd.Flag("key-ext").Value.String(),
-	}
-
-	subDir, _ := strconv.ParseBool(cmd.Flag("domain-subdir").Value.String())
-
-	// ---
-
-	config, err := getBaseConfig(cmd)
+func etcdRun(baseConfig *dumper.BaseConfig, cmd *cobra.Command) error {
+	config, err := getKvConfig(cmd)
 	if err != nil {
 		return err
 	}
@@ -57,5 +39,5 @@ func etcdRun(cmd *cobra.Command, _ []string) error {
 	config.Backend = store.ETCD
 	etcd.Register()
 
-	return kv.Dump(config, dumpPath, crtInfo, keyInfo, subDir)
+	return kv.Dump(config, baseConfig)
 }
diff --git a/cmd/file.go b/cmd/file.go
index 06d040b..cc19b9c 100644
--- a/cmd/file.go
+++ b/cmd/file.go
@@ -1,8 +1,6 @@
 package cmd
 
 import (
-	"strconv"
-
 	"github.com/ldez/traefik-certs-dumper/dumper"
 	"github.com/ldez/traefik-certs-dumper/dumper/file"
 	"github.com/spf13/cobra"
@@ -13,33 +11,11 @@ var fileCmd = &cobra.Command{
 	Use:   "file",
 	Short: `Dump the content of the "acme.json" file.`,
 	Long:  `Dump the content of the "acme.json" file from Traefik to certificates.`,
-	RunE: func(cmd *cobra.Command, _ []string) error {
-		// FIXME shared with KV
-		dumpPath := cmd.Flag("dest").Value.String()
-
-		crtInfo := dumper.FileInfo{
-			Name: cmd.Flag("crt-name").Value.String(),
-			Ext:  cmd.Flag("crt-ext").Value.String(),
-		}
-
-		keyInfo := dumper.FileInfo{
-			Name: cmd.Flag("key-name").Value.String(),
-			Ext:  cmd.Flag("key-ext").Value.String(),
-		}
-
-		subDir, _ := strconv.ParseBool(cmd.Flag("domain-subdir").Value.String())
-
-		// ---
-
+	RunE: runE(func(baseConfig *dumper.BaseConfig, cmd *cobra.Command) error {
 		acmeFile := cmd.Flag("source").Value.String()
 
-		err := file.Dump(acmeFile, dumpPath, crtInfo, keyInfo, subDir)
-		if err != nil {
-			return err
-		}
-
-		return dumper.Tree(dumpPath, "")
-	},
+		return file.Dump(acmeFile, baseConfig)
+	}),
 }
 
 func init() {
diff --git a/cmd/kv.go b/cmd/kv.go
index 580ea5e..9661c40 100644
--- a/cmd/kv.go
+++ b/cmd/kv.go
@@ -29,7 +29,7 @@ func init() {
 	kvCmd.PersistentFlags().String("tls.ca-cert-file", "", "Root CA file for certificate verification if TLS is enabled.")
 }
 
-func getBaseConfig(cmd *cobra.Command) (*kv.BaseConfig, error) {
+func getKvConfig(cmd *cobra.Command) (*kv.Config, error) {
 	endpoints, err := cmd.Flags().GetStringSlice("endpoints")
 	if err != nil {
 		return nil, err
@@ -50,7 +50,7 @@ func getBaseConfig(cmd *cobra.Command) (*kv.BaseConfig, error) {
 		return nil, err
 	}
 
-	return &kv.BaseConfig{
+	return &kv.Config{
 		Endpoints: endpoints,
 		Options: &store.Config{
 			ClientTLS:         nil,
diff --git a/cmd/root.go b/cmd/root.go
index 5632bd2..af5439e 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -5,6 +5,7 @@ import (
 	"os"
 	"strconv"
 
+	"github.com/ldez/traefik-certs-dumper/dumper"
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -82,3 +83,39 @@ func initConfig() {
 		fmt.Println("Using config file:", viper.ConfigFileUsed())
 	}
 }
+
+func getBaseConfig(cmd *cobra.Command) (*dumper.BaseConfig, error) {
+	subDir, err := strconv.ParseBool(cmd.Flag("domain-subdir").Value.String())
+	if err != nil {
+		return nil, err
+	}
+
+	return &dumper.BaseConfig{
+		DumpPath: cmd.Flag("dest").Value.String(),
+		CrtInfo: dumper.FileInfo{
+			Name: cmd.Flag("crt-name").Value.String(),
+			Ext:  cmd.Flag("crt-ext").Value.String(),
+		},
+		KeyInfo: dumper.FileInfo{
+			Name: cmd.Flag("key-name").Value.String(),
+			Ext:  cmd.Flag("key-ext").Value.String(),
+		},
+		DomainSubDir: subDir,
+	}, nil
+}
+
+func runE(apply func(*dumper.BaseConfig, *cobra.Command) error) func(*cobra.Command, []string) error {
+	return func(cmd *cobra.Command, _ []string) error {
+		baseConfig, err := getBaseConfig(cmd)
+		if err != nil {
+			return err
+		}
+
+		err = apply(baseConfig, cmd)
+		if err != nil {
+			return err
+		}
+
+		return dumper.Tree(baseConfig.DumpPath, "")
+	}
+}
diff --git a/cmd/zookeeper.go b/cmd/zookeeper.go
index 3743a8e..f537461 100644
--- a/cmd/zookeeper.go
+++ b/cmd/zookeeper.go
@@ -1,8 +1,6 @@
 package cmd
 
 import (
-	"strconv"
-
 	"github.com/abronan/valkeyrie/store"
 	"github.com/abronan/valkeyrie/store/zookeeper"
 	"github.com/ldez/traefik-certs-dumper/dumper"
@@ -15,32 +13,15 @@ var zookeeperCmd = &cobra.Command{
 	Use:   "zookeeper",
 	Short: "TODO",
 	Long:  `TODO`,
-	RunE:  zookeeperRun,
+	RunE:  runE(zookeeperRun),
 }
 
 func init() {
 	kvCmd.AddCommand(zookeeperCmd)
 }
 
-func zookeeperRun(cmd *cobra.Command, _ []string) error {
-	// FIXME shared with file and all KVs
-	dumpPath := cmd.Flag("dest").Value.String()
-
-	crtInfo := dumper.FileInfo{
-		Name: cmd.Flag("crt-name").Value.String(),
-		Ext:  cmd.Flag("crt-ext").Value.String(),
-	}
-
-	keyInfo := dumper.FileInfo{
-		Name: cmd.Flag("key-name").Value.String(),
-		Ext:  cmd.Flag("key-ext").Value.String(),
-	}
-
-	subDir, _ := strconv.ParseBool(cmd.Flag("domain-subdir").Value.String())
-
-	// ---
-
-	config, err := getBaseConfig(cmd)
+func zookeeperRun(baseConfig *dumper.BaseConfig, cmd *cobra.Command) error {
+	config, err := getKvConfig(cmd)
 	if err != nil {
 		return err
 	}
@@ -48,5 +29,5 @@ func zookeeperRun(cmd *cobra.Command, _ []string) error {
 	config.Backend = store.ZK
 	zookeeper.Register()
 
-	return kv.Dump(config, dumpPath, crtInfo, keyInfo, subDir)
+	return kv.Dump(config, baseConfig)
 }
diff --git a/dumper/config.go b/dumper/config.go
new file mode 100644
index 0000000..bf8a860
--- /dev/null
+++ b/dumper/config.go
@@ -0,0 +1,9 @@
+package dumper
+
+// BaseConfig FIXME
+type BaseConfig struct {
+	DumpPath     string
+	CrtInfo      FileInfo
+	KeyInfo      FileInfo
+	DomainSubDir bool
+}
diff --git a/dumper/dumper.go b/dumper/dumper.go
index 910183b..9944737 100644
--- a/dumper/dumper.go
+++ b/dumper/dumper.go
@@ -21,34 +21,34 @@ type FileInfo struct {
 }
 
 // Dump FIXME
-func Dump(data *StoredData, dumpPath string, crtInfo, keyInfo FileInfo, domainSubDir bool) error {
-	if err := os.RemoveAll(dumpPath); err != nil {
+func Dump(data *StoredData, baseConfig *BaseConfig) error {
+	if err := os.RemoveAll(baseConfig.DumpPath); err != nil {
 		return err
 	}
 
-	if !domainSubDir {
-		if err := os.MkdirAll(filepath.Join(dumpPath, certsSubDir), 0755); err != nil {
+	if !baseConfig.DomainSubDir {
+		if err := os.MkdirAll(filepath.Join(baseConfig.DumpPath, certsSubDir), 0755); err != nil {
 			return err
 		}
 	}
 
-	if err := os.MkdirAll(filepath.Join(dumpPath, keysSubDir), 0755); err != nil {
+	if err := os.MkdirAll(filepath.Join(baseConfig.DumpPath, keysSubDir), 0755); err != nil {
 		return err
 	}
 
 	privateKeyPem := extractPEMPrivateKey(data.Account)
-	err := ioutil.WriteFile(filepath.Join(dumpPath, keysSubDir, "letsencrypt"+keyInfo.Ext), privateKeyPem, 0666)
+	err := ioutil.WriteFile(filepath.Join(baseConfig.DumpPath, keysSubDir, "letsencrypt"+baseConfig.KeyInfo.Ext), privateKeyPem, 0666)
 	if err != nil {
 		return err
 	}
 
 	for _, cert := range data.Certificates {
-		err := writeCert(dumpPath, cert, crtInfo, domainSubDir)
+		err := writeCert(baseConfig.DumpPath, cert, baseConfig.CrtInfo, baseConfig.DomainSubDir)
 		if err != nil {
 			return err
 		}
 
-		err = writeKey(dumpPath, cert, keyInfo, domainSubDir)
+		err = writeKey(baseConfig.DumpPath, cert, baseConfig.KeyInfo, baseConfig.DomainSubDir)
 		if err != nil {
 			return err
 		}
diff --git a/dumper/file/file.go b/dumper/file/file.go
index daa0b71..83a165a 100644
--- a/dumper/file/file.go
+++ b/dumper/file/file.go
@@ -8,13 +8,13 @@ import (
 )
 
 // Dump FIXME
-func Dump(acmeFile, dumpPath string, crtInfo, keyInfo dumper.FileInfo, domainSubDir bool) error {
+func Dump(acmeFile string, baseConfig *dumper.BaseConfig) error {
 	data, err := readFile(acmeFile)
 	if err != nil {
 		return err
 	}
 
-	return dumper.Dump(data, dumpPath, crtInfo, keyInfo, domainSubDir)
+	return dumper.Dump(data, baseConfig)
 }
 
 func readFile(acmeFile string) (*dumper.StoredData, error) {
diff --git a/dumper/kv/config.go b/dumper/kv/config.go
new file mode 100644
index 0000000..1b24deb
--- /dev/null
+++ b/dumper/kv/config.go
@@ -0,0 +1,10 @@
+package kv
+
+import "github.com/abronan/valkeyrie/store"
+
+// Config FIXME
+type Config struct {
+	Backend   store.Backend
+	Endpoints []string
+	Options   *store.Config
+}
diff --git a/dumper/kv/kv.go b/dumper/kv/kv.go
index 54937f8..ae879d9 100644
--- a/dumper/kv/kv.go
+++ b/dumper/kv/kv.go
@@ -14,15 +14,8 @@ import (
 // FIXME prefix
 const storeKey = "traefik/acme/account/object"
 
-// BaseConfig FIXME
-type BaseConfig struct {
-	Backend   store.Backend
-	Endpoints []string
-	Options   *store.Config
-}
-
 // Dump FIXME
-func Dump(config *BaseConfig, dumpPath string, crtInfo, keyInfo dumper.FileInfo, domainSubDir bool) error {
+func Dump(config *Config, baseConfig *dumper.BaseConfig) error {
 	kvStore, err := valkeyrie.NewStore(config.Backend, config.Endpoints, config.Options)
 	if err != nil {
 		return err
@@ -38,7 +31,7 @@ func Dump(config *BaseConfig, dumpPath string, crtInfo, keyInfo dumper.FileInfo,
 		return err
 	}
 
-	return dumper.Dump(data, dumpPath, crtInfo, keyInfo, domainSubDir)
+	return dumper.Dump(data, baseConfig)
 }
 
 func getStoredDataFromGzip(pair *store.KVPair) (*dumper.StoredData, error) {