reset.js

function randomString(len, charSet) {
    charSet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    var randomString = '';
    for (var i = 0; i < len; i++) {
        var randomPoz = Math.floor(Math.random() * charSet.length);
        randomString += charSet.substring(randomPoz,randomPoz+1);
    }
    return randomString;
}


// Be aware that this does *not* archive the task that was restarted,
// and does not update the build status. The build status should be
// re-synced correctly when it is picked up by the task runner, however.
function restartTask(t_id){
        var updatedoc = {
                "$set": {
                        activated:true,
                        secret:randomString(28),
                        status:"undispatched",
                        dispatch_time:ISODate("1970-01-01T00:00:00Z"),
                        start_time:ISODate("1970-01-01T00:00:00Z"),
                        scheduled_time:ISODate("1970-01-01T00:00:00Z"),
                        finish_time:ISODate("1970-01-01T00:00:00Z"),
                        test_results:[],
                },
                "$unset": {
                        details:1
                }
        }
        db.tasks.update({_id:t_id}, updatedoc)
}

//

db.tasks.find({status:"failed", "details.type":"system", "details.timed_out":true, finish_time:{$gt:ISODate("2015-11-24T17:00:24.755Z")}},{branch:1, r:1}).forEach(function(x){
    print("restarting task", x._id)
    restartTask(x._id)
})