Squashed commit of the following:

commit d4b4fa7
Author: JadeRedworth <[email protected]>
Date:   Fri Aug 17 16:45:22 2018 +0100

    move generation of request id to common.go

commit 70f44cc
Author: JadeRedworth <[email protected]>
Date:   Fri Aug 17 14:32:55 2018 +0100

    remove func folder

commit 735b2eb
Author: JadeRedworth <[email protected]>
Date:   Fri Aug 17 11:40:23 2018 +0100

    Create request-id to be set as a header on the request for oracle provider
    requests.

Author: JadeRedworth

common/common.go

@@ -11,8 +11,10 @@ import (
 	"log"
 	"os"
 	"os/exec"
+	"encoding/base32"
 	"os/signal"
 	"path/filepath"
+	"crypto/rand"
 	"strings"
 	"time"
 	"unicode"
@@ -32,6 +34,8 @@ const (
 	FunctionsDockerImage     = "fnproject/fnserver"
 	FuncfileDockerRuntime    = "docker"
 	MinRequiredDockerVersion = "17.5.0"
+	RequestID = "request-id"
+	RequestedLength = 16
 )
 
 // GetWd returns working directory.
@@ -55,6 +59,16 @@ func GetDir(c *cli.Context) string {
 	return dir
 }
 
+func GetRequestID() string {
+	byteArr := make([]byte, RequestedLength)
+	_, err := rand.Read(byteArr)
+	if err != nil {
+		log.Fatalf("failed to generate random number for requestID")
+	}
+
+	return base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(byteArr)
+}
+
 // BuildFunc bumps version and builds function.
 func BuildFunc(c *cli.Context, fpath string, funcfile *FuncFile, buildArg []string, noCache bool) (*FuncFile, error) {
 	var err error

main.go

@@ -11,6 +11,7 @@ import (
 	"text/template"
 
 	"github.com/fnproject/cli/commands"
+	"github.com/fnproject/cli/common"
 	"github.com/fnproject/cli/common/color"
 	"github.com/fnproject/cli/config"
 	"github.com/spf13/viper"
@@ -29,6 +30,8 @@ func newFn() *cli.App {
 		if err != nil {
 			return err
 		}
+
+		viper.Set(common.RequestID, common.GetRequestID())
 		commandArgOverrides(c)
 		return nil
 	}

objects/app/apps.go

@@ -17,6 +17,7 @@ import (
 	"github.com/fnproject/fn_go/models"
 	"github.com/fnproject/fn_go/provider"
 	"github.com/jmoiron/jsonq"
+	"github.com/spf13/viper"
 	"github.com/urfave/cli"
 )
 
@@ -26,7 +27,8 @@ type appsCmd struct {
 }
 
 func (a *appsCmd) list(c *cli.Context) error {
-	params := &apiapps.GetAppsParams{Context: context.Background()}
+	ctx :=  provider.WithRequestID(context.Background(), viper.GetString("request-id"))
+	params := &apiapps.GetAppsParams{Context: ctx}
 	var resApps []*models.App
 	for {
 		resp, err := a.client.Apps.GetApps(params)