diff --git a/internal/pkg/commands/command.go b/internal/pkg/commands/command.go
new file mode 100644
index 0000000..2672f19
--- /dev/null
+++ b/internal/pkg/commands/command.go
@@ -0,0 +1,239 @@
+/*
+ * Copyright 2019-present Ciena Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package commands
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/ciena/voltctl/pkg/filter"
+	"github.com/ciena/voltctl/pkg/format"
+	"github.com/ciena/voltctl/pkg/order"
+	"google.golang.org/grpc"
+	"gopkg.in/yaml.v2"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+type OutputType uint8
+
+const (
+	OUTPUT_TABLE OutputType = iota
+	OUTPUT_JSON
+	OUTPUT_YAML
+)
+
+type GrpcConfigSpec struct {
+	Timeout time.Duration `yaml:"timeout"`
+}
+
+type TlsConfigSpec struct {
+	UseTls bool   `yaml:"useTls"`
+	CACert string `yaml:"caCert"`
+	Cert   string `yaml:"cert"`
+	Key    string `yaml:"key"`
+	Verify string `yaml:"verify"`
+}
+
+type GlobalConfigSpec struct {
+	ApiVersion string         `yaml:"apiVersion"`
+	Server     string         `yaml:"server"`
+	Tls        TlsConfigSpec  `yaml:"tls"`
+	Grpc       GrpcConfigSpec `yaml:"grpc"`
+	K8sConfig  string         `yaml:"-"`
+}
+
+var (
+	ParamNames = map[string]map[string]string{
+		"v1": {
+			"ID": "voltha.ID",
+		},
+		"v2": {
+			"ID": "common.ID",
+		},
+	}
+
+	CharReplacer = strings.NewReplacer("\\t", "\t", "\\n", "\n")
+
+	GlobalConfig = GlobalConfigSpec{
+		ApiVersion: "v1",
+		Server:     "localhost",
+		Tls: TlsConfigSpec{
+			UseTls: false,
+		},
+		Grpc: GrpcConfigSpec{
+			Timeout: time.Second * 10,
+		},
+	}
+
+	GlobalOptions struct {
+		Config     string `short:"c" long:"config" env:"VOLTCONFIG" value-name:"FILE" default:"" description:"Location of client config file"`
+		Server     string `short:"s" long:"server" default:"" value-name:"SERVER:PORT" description:"IP/Host and port of VOLTHA"`
+		ApiVersion string `short:"a" long:"apiversion" description:"API version" value-name:"VERSION" choice:"v1" choice:"v2"`
+		Debug      bool   `short:"d" long:"debug" description:"Enable debug mode"`
+		UseTLS     bool   `long:"tls" description:"Use TLS"`
+		CACert     string `long:"tlscacert" value-name:"CA_CERT_FILE" description:"Trust certs signed only by this CA"`
+		Cert       string `long:"tlscert" value-name:"CERT_FILE" description:"Path to TLS vertificate file"`
+		Key        string `long:"tlskey" value-name:"KEY_FILE" description:"Path to TLS key file"`
+		Verify     bool   `long:"tlsverify" description:"Use TLS and verify the remote"`
+		K8sConfig  string `short:"8" long:"k8sconfig" env:"KUBECONFIG" value-name:"FILE" default:"" description:"Location of Kubernetes config file"`
+	}
+)
+
+type OutputOptions struct {
+	Format    string `long:"format" value-name:"FORMAT" default:"" description:"Format to use to output structured data"`
+	Quiet     bool   `short:"q" long:"quiet" description:"Output only the IDs of the objects"`
+	OutputAs  string `short:"o" long:"outputas" default:"table" choice:"table" choice:"json" choice:"yaml" description:"Type of output to generate"`
+	NameLimit int    `short:"l" long:"namelimit" default:"-1" value-name:"LIMIT" description:"Limit the depth (length) in the table column name"`
+}
+
+type ListOutputOptions struct {
+	OutputOptions
+	Filter  string `short:"f" long:"filter" default:"" value-name:"FILTER" description:"Only display results that match filter"`
+	OrderBy string `short:"r" long:"orderby" default:"" value-name:"ORDER" description:"Specify the sort order of the results"`
+}
+
+type OutputOptionsJson struct {
+	Format    string `long:"format" value-name:"FORMAT" default:"" description:"Format to use to output structured data"`
+	Quiet     bool   `short:"q" long:"quiet" description:"Output only the IDs of the objects"`
+	OutputAs  string `short:"o" long:"outputas" default:"json" choice:"table" choice:"json" choice:"yaml" description:"Type of output to generate"`
+	NameLimit int    `short:"l" long:"namelimit" default:"-1" value-name:"LIMIT" description:"Limit the depth (length) in the table column name"`
+}
+
+type ListOutputOptionsJson struct {
+	OutputOptionsJson
+	Filter  string `short:"f" long:"filter" default:"" value-name:"FILTER" description:"Only display results that match filter"`
+	OrderBy string `short:"r" long:"orderby" default:"" value-name:"ORDER" description:"Specify the sort order of the results"`
+}
+
+func toOutputType(in string) OutputType {
+	switch in {
+	case "table":
+		fallthrough
+	default:
+		return OUTPUT_TABLE
+	case "json":
+		return OUTPUT_JSON
+	case "yaml":
+		return OUTPUT_YAML
+	}
+}
+
+type CommandResult struct {
+	Format    format.Format
+	Filter    string
+	OrderBy   string
+	OutputAs  OutputType
+	NameLimit int
+	Data      interface{}
+}
+
+type config struct {
+	ApiVersion string `yaml:"apiVersion"`
+	Server     string `yaml:"server"`
+}
+
+func ProcessGlobalOptions() {
+	if len(GlobalOptions.Config) == 0 {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			log.Printf("Unable to discover they users home directory: %s\n", err)
+			home = "~"
+		}
+		GlobalOptions.Config = filepath.Join(home, ".volt", "config")
+	}
+
+	info, err := os.Stat(GlobalOptions.Config)
+	if err == nil && !info.IsDir() {
+		configFile, err := ioutil.ReadFile(GlobalOptions.Config)
+		if err != nil {
+			log.Printf("configFile.Get err   #%v ", err)
+		}
+		err = yaml.Unmarshal(configFile, &GlobalConfig)
+		if err != nil {
+			log.Fatalf("Unmarshal: %v", err)
+		}
+	}
+
+	// Override from command line
+	if GlobalOptions.Server != "" {
+		GlobalConfig.Server = GlobalOptions.Server
+	}
+	if GlobalOptions.ApiVersion != "" {
+		GlobalConfig.ApiVersion = GlobalOptions.ApiVersion
+	}
+
+	// If a k8s cert/key were not specified, then attempt to read it from
+	// any $HOME/.kube/config if it exists
+	if len(GlobalOptions.K8sConfig) == 0 {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			log.Printf("Unable to discover the user's home directory: %s\n", err)
+			home = "~"
+		}
+		GlobalOptions.K8sConfig = filepath.Join(home, ".kube", "config")
+	}
+}
+
+func NewConnection() (*grpc.ClientConn, error) {
+	ProcessGlobalOptions()
+	return grpc.Dial(GlobalConfig.Server, grpc.WithInsecure())
+}
+
+func GenerateOutput(result *CommandResult) {
+	if result != nil && result.Data != nil {
+		data := result.Data
+		if result.Filter != "" {
+			f, err := filter.Parse(result.Filter)
+			if err != nil {
+				panic(err)
+			}
+			data, err = f.Process(data)
+			if err != nil {
+				panic(err)
+			}
+		}
+		if result.OrderBy != "" {
+			s, err := order.Parse(result.OrderBy)
+			if err != nil {
+				panic(err)
+			}
+			data, err = s.Process(data)
+			if err != nil {
+				panic(err)
+			}
+		}
+		if result.OutputAs == OUTPUT_TABLE {
+			tableFormat := format.Format(result.Format)
+			tableFormat.Execute(os.Stdout, true, result.NameLimit, data)
+		} else if result.OutputAs == OUTPUT_JSON {
+			asJson, err := json.Marshal(&data)
+			if err != nil {
+				panic(err)
+			}
+			fmt.Printf("%s", asJson)
+		} else if result.OutputAs == OUTPUT_YAML {
+			asYaml, err := yaml.Marshal(&data)
+			if err != nil {
+				panic(err)
+			}
+			fmt.Printf("%s", asYaml)
+		}
+	}
+}