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0
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3answers
17 views

Getting information from one CloudFormation stack to use in another

I'm trying to set up a build pipeline for a web service in AWS. The plan is to have the service run in an Auto Scale Group, and use Jenkins to build a one off EC2 instance, run tests and, on success, ...
1
vote
1answer
50 views

Auto-scaling docker containers based on EC2 instance load and SQS

I'll start with a small description of how my application works.. If a user on my website adds a task, the task is broken down into multiple sub-tasks, the number can vary from 1 to 10 tasks. These ...
1
vote
1answer
25 views

Is there a way to use length of a RabbitMQ queue used by Celery to start instance in an autoscale group?

Is there any way for Celery to emit events when the length of a queue exceeds a threshold? I want to use that event to start an EC2-instance. We have two queues for two different tasks in Celery. ...
0
votes
3answers
46 views

How to get Autoscaling group Instances IP adresses

How can I get private IP adresses of all the instances which are part of an AutoScaling group. I am trying to do some operation on all the instances which are part of an autoscaling group.
0
votes
0answers
57 views

Auto Scale python spider running on Amazon EC2

I have Python crawler written in Scrapy framework. I have simple dashboard from where i can create new projects. Each project create new spider. Web dashboard and crawler is in separate instances. I ...
0
votes
0answers
11 views

How to handle physical assets with WordPress and AWS Auto-Scale Groups [duplicate]

I have a somewhat typical Auto-Scaling Group in AWS. As shown below, I have an ELB routing traffic to a simple ASG with a static RDS instance. A _______________ ELB -> S | EC2, ...
0
votes
1answer
24 views

Running post-deploy and post-scale scripts on Azure

Coming from AWS Elastic Beanstalk, I'm familiar with the scripts.config file that allows me to specify commands to run after deploy as well as just after new scaled instances are created. Is there an ...
0
votes
0answers
12 views

Yarn autodetect slaves failure

This is something that I've found nowhere. I have a YARN cluster with some slaves. When a slave fails (chaos monkey, scale down, etc.), ResourceManager doesn't "get it". Even a rmadmin -refreshNodes ...
0
votes
0answers
51 views

Elastic Load Balancing report Out of Service

I am using the loadbalancing and autoscaling feature on aws. The load balancer marks the instance "out of service". However, the instance (i-xxxx) is running fine and status checks that report ...
0
votes
0answers
72 views

AWS autoscaling and ec2 t2

I use t2.medium as a front servers at my architecture. Usually AWS autoscaling use "CPU Utilization", but for t2 it's a bit tricky. When "CPU Credit Balance" is low, t2.medium "CPU Utilization" can ...
0
votes
1answer
35 views

Attach a volume and set internal IP on boot

I have an Ubuntu 14.04 based NFS server AMI wrapped with a Launch Configuration and an Auto Scaling Group of just a single instance (min/max/req). This is just to make sure that if the server goes ...
-1
votes
1answer
124 views

How to run a shell script on all amazon ec2 instances that are part of a autoscaling group?

Can anyone please tell me how to run a shell script on all the ec2 instances that are part of a auto scaling group. The scenario is that i have a script that i want to run on many ec2 instances that ...
0
votes
0answers
362 views

Coreos auto scaling with docker and fleetctl on AWS

I spent a lot of time evaluating different ways to deploy an application to the cloud (let's assume AWS for this question) in the last few weeks but couldn't really find a satisfying solution. We ...
0
votes
0answers
17 views

Add extra instances based on time [elastic beanstalk]

Is it possible to change the number of minimal instances used by elastic beanstalk based on the time of the day? That is: I want to have 2 instances running through out the day (in case one fails) ...
0
votes
1answer
35 views

Load Balanced - AutoScaled infrastructure AWS

I am currently setting up an environment in which we would like to have one server auto scaled and load balanced based on resource usage. I created the load balancer and have the instance running ...
0
votes
1answer
69 views

What is the difference between changing instance type(increasing ram capacity) and auto scaling on AWS?

I had been running my website on Amazon AWS t1.micro instance backed on a EBS volume. As I had expected to happen over time, my memory consumption is now almost full and just has around 10 MB free. ...
0
votes
1answer
132 views

How to setup a self healing EC2 instance? [closed]

I have an EC2 instance running CPM/WHM, which I would like to setup a "self healing" environment for. My plan is to wrap the EC2 instance with a single instance auto-scaling group, making sure that ...
0
votes
0answers
41 views

Windows instance in AWS Auto scaling, Once autoscaling done i should be part of DC

I’m working on windows technologies last few years, but new to cloud environment. What I’m facing is that, I have DC server, under that a Web server both are in windows 2012. I need to auto scale the ...
1
vote
2answers
294 views

Auto-heal an EC2 instance with an Auto Scaling Group?

I'm trying to setup an auto-healing EC2 instance using an Auto Scaling Group and a user-data startup script. If the current server has an issue where it is no longer reachable, the instance should ...
1
vote
1answer
44 views

Uneven load distribution on an elasticache cluster

Amazon elasticache cluster looks to be a really good choice for auto-scaling but it seems the load distribution is not equal among the nodes. Both memory and CPU wise the node 1 seems to take almost ...
1
vote
2answers
152 views

Using Azure Traffic Manager for an immediate increase in capacity

I have a REST web-service on Azure which has very high but variable load, it's all set-up to auto scale using Paraleap so that it can handle the peak periods but keep costs down when things are ...
1
vote
2answers
612 views

AWS EC2 Auto Scaling Groups, RDS, Route 53 and Constantly changing IP addresses

I setup an auto scaling group on EC2 along with an RDS Postgres instance. I am not using ELB. Maybe I should be... The challenge is that every time a new EC2 instance is created it assigns a unique ...
1
vote
1answer
109 views

How to get IP addresses from auto-scaled instances on AWS

We're working on setting up an auto-scalable web service on AWS. One of our requirements is that we can reload the web server configuration via SSH. Usually, this isn't very hard, as it's only a ...
2
votes
1answer
74 views

Automatically scale a Gluster cluster

I'm trying to configure a proof of concept where a server automatically gets spun up and joins a replication cluster. When the server is no longer needed, it gets spun down, and automatically removed ...
2
votes
2answers
530 views

Add/remove backend servers from HAProxy with command line

I've been searching for a way to add and remove backend servers from HAProxy dinamically, is there a wrapper or even an API to handle it? I want to make an auto-scale system with HAProxy and ...
1
vote
0answers
53 views

How are autoscaling group termination policies combined?

When creating an autoscaling group I can choose an ordered list of termination policies for its instances. Amazon's documentation states that You can use these policies individually, or combine ...
0
votes
2answers
660 views

EC2 autoscalling and code deployments

I'm just starting with EC2 load balancer and trying to implement autos-calling and fault-tolerance. The database is hosted in RDS, sessions are shared, files are shared using S3. I can't seem to ...
1
vote
1answer
2k views

Static IP address for outgoing traffic from AWS autoscaling group

I'm going to have a number of EC2 instances in an Elastic Beanstalk autoscaling group in a default subnet in a VPC. The app on these EC2 instances needs to connect to a third party service who uses an ...
1
vote
1answer
425 views

OpsWorks Auto Healing instances that fail ELB (load balancer) test

From the AWS documentation I understand that some kind of unresponsiveness from an instance will cause it to be terminated. There is nothing in the docs that would suggest that ELB health checks can ...
1
vote
1answer
87 views

Available Instance types for marketplace ami's

I based my autoscaling AMI's on the Turnkey Linux nginx AMI from the marketplace. I am now unable to select any of the newer generation instance types; for instance, my autoscaling uses m3.large type ...
1
vote
1answer
142 views

How can I level out my auto scaling checks?

So, I have been playing around with my auto scaling config and my Cloudwatch alarms to try and keep all my instances purring but not roaring. I can't seem to get rid of a constant yoyo. CPU usage ...
0
votes
0answers
116 views

How can I use ELB load balancing metrics in autoscaling group policy?

How do I configure an auto-scaling policy to work off the latency cloud watch metric of an associated ELB. I have looked at all the example cloud formation scripts and they only work upon metrics from ...
0
votes
1answer
75 views

Tools for heterogeneous systems and way to start MySQL cluster automatically

I'm trying to auto start of MySQL Cluster. There are several nodes and several distinct processes, and I must start them in the proper order. Firstly, I must start ndb_mgmd on management nodes, ...
0
votes
0answers
68 views

AWS Autoscale termination policies

I'm attempting to add an existing EC2 instance to an autoscale group I created as the initial instance. I've set the termination policy to 'NewestInstance' and if I understand correctly, when a new ...
-1
votes
1answer
545 views

AWS autoscaling. Launch Config/Auto Scaling Group and VPC instance with two ifaces

I want create an Launch Config/Auto Scaling Group to build instances inside an VPC with two subnets ("frontend" and "backend") I need these auto-scaled instances to have an interface in each of ...
2
votes
1answer
1k views

How do I create DNS entries for EC2 instances created by Auto Scaling?

I'm looking into using auto scaling groups for a tier of webservers that would be fronted by an ELB. One of the things I'm having a hard time with is how to give each new instance the proper DNS ...
2
votes
2answers
2k views

Spot instances frequently terminated in AWS auto scaling group (failing system health check)

We have 2 auto scaling groups (one for on-demand and one for spot instances) which are both set to a static number of instances (min, max, and desired are all the same - 5 in our case). The instances ...
1
vote
1answer
147 views

Elect which instance to tear down in Azure

Suppose I want to scale up/down my Azure Cloud Service Programmatically. The scaling up case is easy. But when scaling down, can I control which instance gets torn down? Is this predictable? In my ...
1
vote
1answer
229 views

m/monit and ec2 autoscaling

I've been using monit for some time and have really liked it thus far. I recently decided to give m/monit a try and the UI looks great and is super informative. My only hang up is monitoring servers ...
-1
votes
1answer
859 views

How do I autoscale windows servers w/ amazon ec2

I'm building a distributed app which consists of a load balancer, web-server, database server, messaging queue, and backend workers. Workers consume messages off the queue, perform tasks and then ...
0
votes
2answers
355 views

The Foreman EC2 Auto Scaling Cleanup

OK, so I have setup in the user-data section of my launch configuration, a way for an instance to automatically register itself with Foreman, and put itself into the correct host group through API ...
2
votes
1answer
1k views

AWS EC2 Instance Auto Scaling Confusion

So first off I'm completely new to AWS so bear with me. I have had one instance running for a few months now and I now need to autoscale it as I am getting bigger traffic spikes and it gets ...
0
votes
1answer
241 views

AWS Alarms in “ALARM” state not triggering Policy actions

Today I created an AutoScaling Group with several policies, each with an Alarm associated with a CloudWatch metric. The AutoScaling Group launched two instances, because that the minimum that I ...
1
vote
2answers
865 views

Can Amazon Elastic Beanstalk auto-scale Amazon RDS?

I'm planning to run a PHP/MySQL application using Amazon Elastic Beanstalk. In the settings I can define when it should launch new instances automatically (Auto-Scaling). However, as I understand ...
8
votes
2answers
3k views

EC2 Update my existing AMI

I'm using Elastic Load Balancing to load balance my Auto Scaling Group, for that I have a private AMI that hold my application server (Tomcat) and my web app deployed to it as war ... Now everything ...
1
vote
1answer
211 views

When EC2 instance goes down, how to bring up new machine with existing EBS volume?

We've got an app where customers upload data and documents to a number of EC2 instances. We store the uploads on EBS volumes. Occasionally our app will fail. Sometimes it's something in our app ...
0
votes
1answer
502 views

High Availability on Windows Azure Websites

One of my main apps is hosted on Windows Azure's Websites platform. Given Friday's downtime, I realized that I need something that allows my app to stay online if Azure has an outage again. My ...
5
votes
2answers
2k views

How to automatically update nginx upstream server list when aws ec2 hostname changes or increases?

I want to setup autoscaling in AWS. I don't want to use Elastic Load Balancer. Autoscalling in Amazon creates EC2 instances seamlessly during demand spikes to maintain performance, and decreases ...
1
vote
1answer
1k views

AWS auto scaling setup bootstrap script and ssh access

I'm not a specialist in networking and I'm struggling at the moment trying to setup auto scaling for a web application. I have one server - we can call it master - (outside the auto scaling group) ...
1
vote
1answer
605 views

Is memory usage the main cause of instance churn on Google App Engine? [closed]

I am experiencing sharp drops and spikes in instance count every 30 minutes although the request rate has been stable for 2h at 2.4k RPS. Periodically there are a lot of warmup requests after many ...