Add stderr logger implementation. Make it to fail-safe.
diff --git a/rebar.config b/rebar.config
index dee56d4..e69de29 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,7 +0,0 @@
-{deps, [
- {lager, ".*", {git, "https://git-wip-us.apache.org/repos/asf/couchdb-lager.git", {branch, "master"}}}
-]}.
-
-{erl_opts, [debug_info, {parse_transform, lager_transform}]}.
-
-
diff --git a/src/couch_log.app.src b/src/couch_log.app.src
index f8372ca..b59b1e9 100644
--- a/src/couch_log.app.src
+++ b/src/couch_log.app.src
@@ -15,5 +15,6 @@
{vsn, git},
{modules, [couch_log]},
{registered, []},
- {applications, [kernel, stdlib, lager]}
+ {applications, [kernel, stdlib]},
+ {env, [{backend, couch_log_stderr}]}
]}.
diff --git a/src/couch_log_stderr.erl b/src/couch_log_stderr.erl
new file mode 100644
index 0000000..6bf95b9
--- /dev/null
+++ b/src/couch_log_stderr.erl
@@ -0,0 +1,57 @@
+% 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. See the
+% License for the specific language governing permissions and limitations under
+% the License.
+
+-module(couch_log_stderr).
+
+-behaviour(couch_log).
+
+-export([
+ debug/2,
+ info/2,
+ notice/2,
+ warning/2,
+ error/2,
+ critical/2,
+ alert/2,
+ emergency/2,
+ set_level/1
+]).
+
+debug(Fmt, Args) ->
+ write_log("[debug] " ++ Fmt, Args).
+
+info(Fmt, Args) ->
+ write_log("[info] " ++ Fmt, Args).
+
+notice(Fmt, Args) ->
+ write_log("[notice] " ++ Fmt, Args).
+
+warning(Fmt, Args) ->
+ write_log("[warning] " ++ Fmt, Args).
+
+error(Fmt, Args) ->
+ write_log("[error] " ++ Fmt, Args).
+
+critical(Fmt, Args) ->
+ write_log("[critical] " ++ Fmt, Args).
+
+alert(Fmt, Args) ->
+ write_log("[alert] " ++ Fmt, Args).
+
+emergency(Fmt, Args) ->
+ write_log("[emergency] " ++ Fmt, Args).
+
+write_log(Fmt, Args) ->
+ io:format(standard_error, Fmt ++ "~n", Args).
+
+set_level(_) ->
+ ok.
