Deletes multiple cloud watch log groups on the AWS console UI filtering by name regexp. Without doing clicks. Useful for serverless migrating to auto create log groups

aws-cloudwatch-console-delete-log-groups

var nextPage = () => {
  return new Promise((resolve, reject) => {
    console.log('Go to next page ...');

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    const nextImg = document.querySelector('#gwt-debug-pager td:last-child img');

    if (nextImg.src !== disabledIcon) {
      nextImg.click();
      setTimeout(resolve, 1000);
    } else {
      console.log('NO MORE PAGES');
      reject();
    }
  })
}

var deleteGroup = (logGroupName, tr) => {
  return new Promise(resolve => {
    console.log(`Start delete ${logGroupName}`);

    tr.querySelector('input[type=checkbox]').click();

    requestAnimationFrame(_ => {
      document.querySelector('#gwt-debug-actionMenu-item0').click();

      requestAnimationFrame(_ => {
        document.querySelector('#gwt-debug-actionMenu-item0-item2').click();

        requestAnimationFrame(_ => {
          document.querySelector('#gwt-debug-popupOkButton').click();
          console.log(`Done deleting ${logGroupName}`);

          // 1.5 sec reload
          setTimeout(resolve, 1500);
        });
      });
    });
  });
};


var deleteNextGroup = () => {

  return new Promise((resolve , reject)=> {
    console.log('delete next')
    const trs = document.querySelectorAll('#gwt-debug-logGroupTable tr');
    let logGroupName;
    let logGroupTr;

    for (let tr of trs) {
      const nameTd = tr.querySelector('td:nth-child(2)');
      if (nameTd && nameTd.innerText.match(logGroupNameRegExp)) {
        logGroupName = nameTd.innerText;
        logGroupTr = tr;
        break;
      }
    }

    if (logGroupName) {
      return deleteGroup(logGroupName, logGroupTr).then(deleteNextGroup);
    } else {
      return nextPage().then(_ => {
        return deleteNextGroup();
      }).catch(_ => {
        reject(new Error('END'));
      });
    }
  });

};


var logGroupNameRegExp = 'staging';
deleteNextGroup();