From 43f1b0d9af63d9608972abe8284bcbc8c8a98a10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Magiera?= <magik6k@gmail.com>
Date: Sun, 20 Aug 2017 17:57:00 +0200
Subject: [PATCH] init: lowpower profile
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
---
 cmd/ipfs/init.go              |  2 ++
 repo/config/discovery.go      |  2 +-
 repo/config/profile.go        |  5 +++++
 test/sharness/t0020-init.sh   | 14 ++++++++++++++
 test/sharness/t0021-config.sh |  3 ++-
 5 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/cmd/ipfs/init.go b/cmd/ipfs/init.go
index 20e15b27f27..8cc2df80c4a 100644
--- a/cmd/ipfs/init.go
+++ b/cmd/ipfs/init.go
@@ -38,6 +38,8 @@ Available profiles:
         running IPFS on machines with public IPv4 addresses.
     'test' - Reduces external interference of IPFS daemon, this
         is useful when using the daemon in test environments.
+    'lowpower' - Reduces daemon overhead on the system. May affect node
+        functionality.
 
 ipfs uses a repository in the local file system. By default, the repo is
 located at ~/.ipfs. To change the repo location, set the $IPFS_PATH
diff --git a/repo/config/discovery.go b/repo/config/discovery.go
index 30c24ea19b3..64f7af64a68 100644
--- a/repo/config/discovery.go
+++ b/repo/config/discovery.go
@@ -1,7 +1,7 @@
 package config
 
 type Discovery struct {
-	MDNS    MDNS
+	MDNS MDNS
 
 	//Routing sets default daemon routing mode.
 	Routing string
diff --git a/repo/config/profile.go b/repo/config/profile.go
index 74383cda63f..6aa5f505380 100644
--- a/repo/config/profile.go
+++ b/repo/config/profile.go
@@ -73,6 +73,11 @@ var Profiles = map[string]Transformer{
 		c.Datastore.Spec = DefaultDatastoreConfig().Spec
 		return nil
 	},
+	"lowpower": func(c *Config) error {
+		c.Discovery.Routing = "dhtclient"
+		c.Reprovider.Interval = "0"
+		return nil
+	},
 }
 
 func appendSingle(a []string, b []string) []string {
diff --git a/test/sharness/t0020-init.sh b/test/sharness/t0020-init.sh
index 697203a9f02..a01c0876334 100755
--- a/test/sharness/t0020-init.sh
+++ b/test/sharness/t0020-init.sh
@@ -167,6 +167,20 @@ test_expect_success "clean up ipfs dir" '
   rm -rf "$IPFS_PATH"
 '
 
+test_expect_success "'ipfs init --profile=lowpower' succeeds" '
+	BITS="1024" &&
+	ipfs init --bits="$BITS" --profile=lowpower
+'
+
+test_expect_success "'ipfs config Discovery.Routing' looks good" '
+	ipfs config Discovery.Routing > actual_config &&
+	test $(cat actual_config) = "dhtclient"
+'
+
+test_expect_success "clean up ipfs dir" '
+	rm -rf "$IPFS_PATH"
+'
+
 test_init_ipfs
 
 test_launch_ipfs_daemon
diff --git a/test/sharness/t0021-config.sh b/test/sharness/t0021-config.sh
index 5ade07d0326..17bb0930c21 100755
--- a/test/sharness/t0021-config.sh
+++ b/test/sharness/t0021-config.sh
@@ -45,7 +45,8 @@ CONFIG_SET_JSON_TEST='{
   "MDNS": {
     "Enabled": true,
     "Interval": 10
-  }
+  },
+  "Routing": "dht"
 }'
 
 test_profile_apply_revert() {