feat(logging): add max file count configuration MONGOSH-1987

Author: gagik

packages/cli-repl/src/cli-repl.spec.ts

@@ -324,6 +324,7 @@ describe('CliRepl', function () {
           'disableLogging',
           'logLocation',
           'logRetentionDays',
+          'logMaxFileCount',
         ] satisfies (keyof CliUserConfig)[]);
       });
 
@@ -1434,6 +1435,19 @@ describe('CliRepl', function () {
               testRetentionDays
             );
           });
+
+          it('can set log max file count', async function () {
+            const testMaxFileCount = 123;
+            cliRepl.config.logMaxFileCount = testMaxFileCount;
+            await cliRepl.start(await testServer.connectionString(), {});
+
+            expect(cliRepl.getConfig('logMaxFileCount')).equals(
+              testMaxFileCount
+            );
+            expect(cliRepl.logManager?._options.maxLogFileCount).equals(
+              testMaxFileCount
+            );
+          });
         });
 
         it('times out fast', async function () {

packages/cli-repl/src/cli-repl.ts

@@ -261,7 +261,8 @@ export class CliRepl implements MongoshIOProvider {
         this.shellHomeDirectory.localPath('.'),
       retentionDays: await this.getConfig('logRetentionDays'),
       maxLogFileCount: +(
-        process.env.MONGOSH_TEST_ONLY_MAX_LOG_FILE_COUNT || 100
+        process.env.MONGOSH_TEST_ONLY_MAX_LOG_FILE_COUNT ||
+        (await this.getConfig('logMaxFileCount'))
       ),
       onerror: (err: Error) => this.bus.emit('mongosh:error', err, 'log'),
       onwarn: (err: Error, path: string) =>

packages/types/src/index.spec.ts

@@ -31,6 +31,12 @@ describe('config validation', function () {
     expect(await validate('logRetentionDays', -1)).to.equal(
       'logRetentionDays must be a positive integer'
     );
+    expect(await validate('logMaxFileCount', 'foo')).to.equal(
+      'logMaxFileCount must be a positive integer'
+    );
+    expect(await validate('logMaxFileCount', -1)).to.equal(
+      'logMaxFileCount must be a positive integer'
+    );
     expect(await validate('showStackTraces', 'foo')).to.equal(
       'showStackTraces must be a boolean'
     );

packages/types/src/index.ts

@@ -510,6 +510,7 @@ export class CliUserConfig extends SnippetShellUserConfig {
   disableLogging = false;
   logLocation: string | undefined = undefined;
   logRetentionDays = 30;
+  logMaxFileCount = 100;
 }
 
 export class CliUserConfigValidator extends SnippetShellUserConfigValidator {
@@ -533,6 +534,7 @@ export class CliUserConfigValidator extends SnippetShellUserConfigValidator {
       case 'inspectDepth':
       case 'historyLength':
       case 'logRetentionDays':
+      case 'logMaxFileCount':
         if (typeof value !== 'number' || value < 0) {
           return `${key} must be a positive integer`;
         }