Add OPENFAAS_STORE for when the function store is custom

Rather than having to set --url each time the store needs to
change, this can be set in the .bashrc or equivalent file for
the user.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Author: alexellis

commands/store_deploy.go

@@ -76,6 +76,13 @@ func preRunEStoreDeploy(cmd *cobra.Command, args []string) error {
 
 func runStoreDeploy(cmd *cobra.Command, args []string) error {
 	targetPlatform := getTargetPlatform(platformValue)
+
+	if v, ok := os.LookupEnv("OPENFAAS_STORE"); ok && len(v) > 0 {
+		if !storeCmd.Flags().Changed("url") {
+			storeAddress = v
+		}
+	}
+
 	storeItems, err := storeList(storeAddress)
 	if err != nil {
 		return err

commands/store_describe.go

@@ -6,6 +6,7 @@ package commands
 import (
 	"bytes"
 	"fmt"
+	"os"
 	"text/tabwriter"
 
 	"github.com/mitchellh/go-wordwrap"
@@ -33,6 +34,13 @@ func runStoreDescribe(cmd *cobra.Command, args []string) error {
 	}
 
 	targetPlatform := getTargetPlatform(platformValue)
+
+	if v, ok := os.LookupEnv("OPENFAAS_STORE"); ok && len(v) > 0 {
+		if !storeCmd.Flags().Changed("url") {
+			storeAddress = v
+		}
+	}
+
 	storeItems, err := storeList(storeAddress)
 	if err != nil {
 		return err

commands/store_list.go

@@ -6,6 +6,7 @@ package commands
 import (
 	"bytes"
 	"fmt"
+	"os"
 	"strings"
 	"text/tabwriter"
 
@@ -33,6 +34,16 @@ var storeListCmd = &cobra.Command{
 func runStoreList(cmd *cobra.Command, args []string) error {
 	targetPlatform := getTargetPlatform(platformValue)
 
+	// Support priority order override.
+	// --url by default, unless OPENFAAS_STORE is given, in which
+	// case the flag takes precedence if it has been changed from its
+	// default
+	if v, ok := os.LookupEnv("OPENFAAS_STORE"); ok && len(v) > 0 {
+		if !storeCmd.Flags().Changed("url") {
+			storeAddress = v
+		}
+	}
+
 	storeList, err := storeList(storeAddress)
 	if err != nil {
 		return err