[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>

internal/federation/federatingdb/exists.go

@@ -22,7 +22,8 @@ import (
 	"context"
 	"net/url"
 
-	"github.com/sirupsen/logrus"
+	"codeberg.org/gruf/go-kv"
+	"github.com/superseriousbusiness/gotosocial/internal/log"
 )
 
 // Exists returns true if the database has an entry for the specified
@@ -32,12 +33,9 @@ import (
 //
 // Implementation note: this just straight up isn't implemented, and doesn't *really* need to be either.
 func (f *federatingDB) Exists(c context.Context, id *url.URL) (exists bool, err error) {
-	l := logrus.WithFields(
-		logrus.Fields{
-			"func": "Exists",
-			"id":   id,
-		},
-	)
+	l := log.WithFields(kv.Fields{
+		{"id", id},
+	}...)
 	l.Debug("entering Exists")
 	return false, nil
 }