refactor(logs): adjust log levels for branch and pr events

lib/platform/github/index.js

@@ -779,6 +779,7 @@ async function createPr(
     `repos/${config.parentRepo || config.repository}/pulls`,
     options
   )).body;
+  logger.info({ branchName, pr: pr.number }, 'PR created');
   pr.displayNumber = `Pull Request #${pr.number}`;
   pr.branchName = branchName;
   await addLabels(pr.number, labels);
@@ -912,6 +913,7 @@ async function updatePr(prNo, title, body) {
     `repos/${config.parentRepo || config.repository}/pulls/${prNo}`,
     options
   );
+  logger.info({ pr: prNo }, 'PR updated');
 }
 
 async function mergePr(prNo, branchName) {
@@ -997,13 +999,13 @@ async function mergePr(prNo, branchName) {
             { err: err3 },
             `Failed to ${options.body.merge_method} PR`
           );
-          logger.info({ pr: prNo }, 'All merge attempts failed');
+          logger.debug({ pr: prNo }, 'All merge attempts failed');
           return false;
         }
       }
     }
   }
-  logger.info('Automerging succeeded');
+  logger.info({ pr: prNo }, 'PR merged');
   // Update base branch SHA
   config.baseCommitSHA = null;
   // Delete branch

lib/platform/github/storage.js

@@ -181,6 +181,7 @@ class Storage {
       };
       try {
         await get.patch(url, options);
+        logger.info({ branchName }, 'Branch merged');
       } catch (err) {
         logger.info(
           expandError(err),
@@ -297,8 +298,10 @@ class Storage {
       try {
         if (isBranchExisting) {
           await updateBranch(branchName, commit);
+          logger.info({ branchName }, 'Branch updated');
         } else {
           await createBranch(branchName, commit);
+          logger.info({ branchName }, 'Branch created');
         }
       } catch (err) /* istanbul ignore next */ {
         logger.debug({

lib/workers/branch/automerge.js

@@ -16,7 +16,7 @@ async function tryBranchAutomerge(config) {
     config.requiredStatusChecks
   );
   if (branchStatus === 'success') {
-    logger.info(`Automerging branch`);
+    logger.debug(`Automerging branch`);
     try {
       await platform.mergeBranch(config.branchName);
       return 'automerged'; // Branch no longer exists

lib/workers/pr/index.js

@@ -240,7 +240,7 @@ async function ensurePr(prConfig) {
       logger.info({ pr: existingPr.displayNumber }, `Updated PR`);
       return existingPr;
     }
-    logger.info({ branchName, prTitle }, `Creating PR`);
+    logger.debug({ branchName, prTitle }, `Creating PR`);
     // istanbul ignore if
     if (config.updateType === 'rollback') {
       logger.warn('Creating Rollback PR');
@@ -387,7 +387,7 @@ async function checkAutoMerge(pr, config) {
       return platform.ensureComment(pr.number, null, automergeComment);
     }
     // Let's merge this
-    logger.info(`Automerging #${pr.number}`);
+    logger.debug(`Automerging #${pr.number}`);
     return platform.mergePr(pr.number, branchName);
   }
   logger.debug('No automerge');