From a996783a555cc13ad1b23f2331f756234e0d17e1 Mon Sep 17 00:00:00 2001
From: Joey Gibson <joey@joeygibson.com>
Date: Thu, 13 Apr 2017 18:29:55 -0400
Subject: [PATCH] fixes issue #5

---
 blackbox-test/features/teardown.feature |  8 ++++----
 command/teardown.go                     | 26 +++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/blackbox-test/features/teardown.feature b/blackbox-test/features/teardown.feature
index 3a83c14..bc68934 100644
--- a/blackbox-test/features/teardown.feature
+++ b/blackbox-test/features/teardown.feature
@@ -1,11 +1,11 @@
 # Copyright 2016 Cisco Systems, Inc.
-# 
+#
 # 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.
@@ -90,7 +90,7 @@ Feature: teardown task
     When I run `lc teardown`
     Then it should succeed
     When I run `docker network ls`
-    Then the output should contain 'elsy_teardown_lc_bbt_network_test'
+    Then the output should not contain 'elsy_teardown_lc_bbt_network_test'
     When I run `lc teardown -f`
     Then it should succeed
     When I run `docker network ls`
diff --git a/command/teardown.go b/command/teardown.go
index 511af44..85a8076 100644
--- a/command/teardown.go
+++ b/command/teardown.go
@@ -24,6 +24,7 @@ import (
 	"github.com/codegangsta/cli"
 	"github.com/fsouza/go-dockerclient"
 	"github.com/sirupsen/logrus"
+	"strings"
 )
 
 func CmdTeardown(c *cli.Context) error {
@@ -31,6 +32,10 @@ func CmdTeardown(c *cli.Context) error {
 		return err
 	}
 
+	if err := removeNetworks(); err != nil {
+		return err
+	}
+
 	if c.Bool("force") {
 		logrus.Debugf("found -f flag on teardown, removing all containers")
 		if err := helpers.RunCommand(helpers.DockerComposeCommand("down", "--remove-orphans", "-v")); err != nil {
@@ -42,6 +47,27 @@ func CmdTeardown(c *cli.Context) error {
 	}
 }
 
+func removeNetworks() error {
+	projectName := os.Getenv("COMPOSE_PROJECT_NAME")
+
+	client := helpers.GetDockerClient()
+
+	networks, err := client.ListNetworks()
+	if err != nil {
+		return err
+	}
+
+	for _, network := range networks {
+		if strings.HasPrefix(network.Name, projectName) {
+			if err := client.RemoveNetwork(network.ID); err != nil {
+				logrus.Errorf("error removing network: %v", err)
+			}
+		}
+	}
+
+	return nil
+}
+
 func removeContainersWithoutGcLabel() error {
 	// only remove containers that don't have the com.lancope.docker-gc.keep set
 	client := helpers.GetDockerClient()