[chore] use our own logging implementation (#716)

* first commit

Signed-off-by: kim <grufwub@gmail.com>

* replace logging with our own log library

Signed-off-by: kim <grufwub@gmail.com>

* fix imports

Signed-off-by: kim <grufwub@gmail.com>

* fix log imports

Signed-off-by: kim <grufwub@gmail.com>

* add license text

Signed-off-by: kim <grufwub@gmail.com>

* fix package import cycle between config and log package

Signed-off-by: kim <grufwub@gmail.com>

* fix empty kv.Fields{} being passed to WithFields()

Signed-off-by: kim <grufwub@gmail.com>

* fix uses of log.WithFields() with whitespace issues and empty slices

Signed-off-by: kim <grufwub@gmail.com>

* *linter related grumbling*

Signed-off-by: kim <grufwub@gmail.com>

* gofmt the codebase! also fix more log.WithFields() formatting issues

Signed-off-by: kim <grufwub@gmail.com>

* update testrig code to match new changes

Signed-off-by: kim <grufwub@gmail.com>

* fix error wrapping in non fmt.Errorf function

Signed-off-by: kim <grufwub@gmail.com>

* add benchmarking of log.Caller() vs non-cached

Signed-off-by: kim <grufwub@gmail.com>

* fix syslog tests, add standard build tags to test runner to ensure consistency

Signed-off-by: kim <grufwub@gmail.com>

* make syslog tests more robust

Signed-off-by: kim <grufwub@gmail.com>

* fix caller depth arithmatic (is that how you spell it?)

Signed-off-by: kim <grufwub@gmail.com>

* update to use unkeyed fields in kv.Field{} instances

Signed-off-by: kim <grufwub@gmail.com>

* update go-kv library

Signed-off-by: kim <grufwub@gmail.com>

* update libraries list

Signed-off-by: kim <grufwub@gmail.com>

* fuck you linter get nerfed

Signed-off-by: kim <grufwub@gmail.com>

Co-authored-by: tobi <31960611+tsmethurst@users.noreply.github.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/internal/log/init.go b/internal/log/init.go
new file mode 100644
index 000000000..9ec790ba2
--- /dev/null
+++ b/internal/log/init.go
@@ -0,0 +1,62 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package log
+
+import (
+	"fmt"
+	"log/syslog"
+	"strings"
+
+	"codeberg.org/gruf/go-logger/v2/level"
+)
+
+// ParseLevel will parse the log level from given string and set to appropriate level.
+func ParseLevel(str string) error {
+	switch strings.ToLower(str) {
+	case "trace":
+		SetLevel(level.TRACE)
+	case "debug":
+		SetLevel(level.DEBUG)
+	case "", "info":
+		SetLevel(level.INFO)
+	case "warn":
+		SetLevel(level.WARN)
+	case "error":
+		SetLevel(level.ERROR)
+	case "fatal":
+		SetLevel(level.FATAL)
+	default:
+		return fmt.Errorf("unknown log level: %q", str)
+	}
+	return nil
+}
+
+// EnableSyslog will enabling logging to the syslog at given address.
+func EnableSyslog(proto, addr string) error {
+	// Dial a connection to the syslog daemon
+	writer, err := syslog.Dial(proto, addr, 0, "gotosocial")
+	if err != nil {
+		return err
+	}
+
+	// Set the syslog writer
+	sysout = writer
+
+	return nil
+}