config: profile tests, docs

License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>

docs/config.md

@@ -18,6 +18,7 @@ on a running daemon do not read the config file at runtime.
 - [`Reprovider`](#reprovider)
 - [`SupernodeRouting`](#supernoderouting)
 - [`Swarm`](#swarm)
+- [`Profiles`](#profiles)
 
 ## `Addresses`
 Contains information about various listener addresses to be used by this node.
@@ -267,3 +268,17 @@ Disables the p2p-circuit relay transport.
 - `EnableRelayHop`
 Enables HOP relay for the node. If this is enabled, the node will act as
 an intermediate (Hop Relay) node in relay circuits for connected peers.
+
+## Profiles
+Configuration profiles allow to tweak configuration quickly. Profiles can be
+applied with `--profile` flag to `ipfs init` or with `ipfs config profile apply`
+command.
+
+- `server` profile
+Recommended for nodes with public IPv4 address, disables host and content
+discovery in local networks.
+
+- `test` profile
+Reduces external interference, useful for running ipfs in test environments.
+Note that with these settings node won't be able to talk to the rest of the
+network without manual bootstrap.

repo/config/profile.go

@@ -7,7 +7,7 @@ type Profile struct {
 	Unapply Transformer
 }
 
-// Profiles is a map holding configuration transformers
+// Profiles is a map holding configuration transformers. Docs are in docs/config.md
 var Profiles = map[string]*Profile{
 	"server": {
 		Apply: func(c *Config) error {

test/sharness/t0021-config.sh

@@ -151,6 +151,30 @@ test_config_cmd() {
        echo "Error: setting private key with API is not supported" > replace_expected
        test_cmp replace_out replace_expected
   '
+
+  test_expect_success "'ipfs config Swarm.AddrFilters' looks good" '
+    ipfs config Swarm.AddrFilters > actual_config &&
+    test $(cat actual_config | wc -l) = 1
+  '
+
+  test_expect_success "'ipfs config profile apply server' works" '
+    ipfs config profile apply server
+  '
+
+  test_expect_success "'ipfs config Swarm.AddrFilters' looks good with server profile" '
+    ipfs config Swarm.AddrFilters > actual_config &&
+    test $(cat actual_config | wc -l) = 17
+  '
+
+  test_expect_success "'ipfs config profile revert server' works" '
+    ipfs config profile revert server
+  '
+
+  test_expect_success "'ipfs config Swarm.AddrFilters' looks good with reverted server profile" '
+    ipfs config Swarm.AddrFilters > actual_config &&
+    test $(cat actual_config | wc -l) = 1
+  '
+
 }
 
 test_init_ipfs