command/connect/proxy: set ACL token based on proxy token flag

command/connect/proxy/proxy.go

@@ -80,6 +80,10 @@ func (c *cmd) Run(args []string) int {
 	if c.proxyID == "" {
 		c.proxyID = os.Getenv(proxyAgent.EnvProxyId)
 	}
+	if c.http.Token() == "" {
+		c.http.SetToken(os.Getenv(proxyAgent.EnvProxyToken))
+	}
+
 	// Setup the log outputs
 	logConfig := &logger.Config{
 		LogLevel: c.logLevel,

command/flags/http.go

@@ -84,6 +84,10 @@ func (f *HTTPFlags) Token() string {
 	return f.token.String()
 }
 
+func (f *HTTPFlags) SetToken(v string) error {
+	return f.token.Set(v)
+}
+
 func (f *HTTPFlags) APIClient() (*api.Client, error) {
 	c := api.DefaultConfig()
 

command/flags/http_test.go

@@ -0,0 +1,15 @@
+package flags
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestHTTPFlagsSetToken(t *testing.T) {
+	var f HTTPFlags
+	require := require.New(t)
+	require.Empty(f.Token())
+	require.NoError(f.SetToken("foo"))
+	require.Equal("foo", f.Token())
+}