[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/processing/account/create.go

@@ -22,21 +22,18 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/sirupsen/logrus"
-
 	"github.com/superseriousbusiness/gotosocial/internal/ap"
 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/log"
 	"github.com/superseriousbusiness/gotosocial/internal/messages"
 	"github.com/superseriousbusiness/gotosocial/internal/text"
 	"github.com/superseriousbusiness/oauth2/v4"
 )
 
 func (p *processor) Create(ctx context.Context, applicationToken oauth2.TokenInfo, application *gtsmodel.Application, form *apimodel.AccountCreateRequest) (*apimodel.Token, gtserror.WithCode) {
-	l := logrus.WithField("func", "accountCreate")
-
 	emailAvailable, err := p.db.IsEmailAvailable(ctx, form.Email)
 	if err != nil {
 		return nil, gtserror.NewErrorBadRequest(err)
@@ -62,13 +59,13 @@ func (p *processor) Create(ctx context.Context, applicationToken oauth2.TokenInf
 		reason = ""
 	}
 
-	l.Trace("creating new username and account")
+	log.Trace("creating new username and account")
 	user, err := p.db.NewSignup(ctx, form.Username, text.SanitizePlaintext(reason), approvalRequired, form.Email, form.Password, form.IP, form.Locale, application.ID, false, false)
 	if err != nil {
 		return nil, gtserror.NewErrorInternalError(fmt.Errorf("error creating new signup in the database: %s", err))
 	}
 
-	l.Tracef("generating a token for user %s with account %s and application %s", user.ID, user.AccountID, application.ID)
+	log.Tracef("generating a token for user %s with account %s and application %s", user.ID, user.AccountID, application.ID)
 	accessToken, err := p.oauthServer.GenerateUserAccessToken(ctx, applicationToken, application.ClientSecret, user.ID)
 	if err != nil {
 		return nil, gtserror.NewErrorInternalError(fmt.Errorf("error creating new access token for user %s: %s", user.ID, err))