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I'm looking for nice PaaS that could run applicatons which:
Listens to non-80 external port (25th, its a SMTP server)
Writes to the persisting filesystem
(its 2 different applications, so PaaS I'm looking for dont have to have both features)
I tried different PaaS and IaaS:
Heroku: no/no
OpenShift: no/yes
AppFog: apparently no/no
AWS: yes/yes - but its IaaS
I understand, that listening to 25th port is not really popular feature, so I'm open to host some PaaS without strict restrictions on say AWS. Is there is such?
I don't think OpenShift is going to give you exactly what you are looking for however as you have denoted you will have persistent storage.
As you have denoted port 25 is not one of the external ports that your application can bind to with OpenShift. The reason for this is because in too many situation the use of port 25 leads to accounts not complying with the Acceptable Use Policy.
However there are mail alternatives for SMTP such as the use of mailgun, this service works over port 80 and service as an SMTP service.
In this way OpenShif can meet both of your requirements (kinda).
If you are open to hosting the PaaS yourself, you can try out Cloudify. It's open-source, and your application not limited in what it can do on your instance.
Disclaimer: I work for Gigaspaces, which develops Cloudify,
You may check out http://paasify.it. It's a comparative list of current PaaS vendors that I have compiled.
As for persistent storage select 'Filesystem' under Services. Possible PaaS include Clever Cloud, HP Cloud Application Platform as a Service, Stackato and Static.
I'm not aware which do allow listening on port 25. I suggest using a addon service (e.g. mailgun), like SFERICH suggested.
Cheers Stefan
I just got into the following article and your question. I hope it can solve your demand for flexibility:
Dokku on Digital Ocean
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In my company we are working on a spring-mvc based product. We currently deploy projects .war file in tomcat 7 on a server machine (which has its own static ip) to access it globally while the database ( oracle ) is on a different machine.This server machine and db machine are currently in my office.
So basically when we need to access the project outside of our office we access the static ip of serve machine.
Now I have been told by my project manager to find a way to deploy .war of the spring-mvc project on a cloud based system.I don't have the slightest clue where to begin.
What I need is any guidance / document / tutorial which can help on getting started.
Which cloud based system will be best for me to do so? Should I use Convrgd or AWS [Elastic Beanstalk Or EC2] or any other service?
[ Note: I know this is a opinion based question but what I want is opinion on which I could begin to get a clean idea of which path should choose. ]
Let me know if you need any additional information. Any help is appreciated.
Definitely it is a good idea to move your application to the cloud.
There are many cloud service provider(s) are offering the cloud services now a days which you can make use of. like AWS, Azure, Rackspace etc.
Rightnow, AWS is in the leader position in the cloud space. Definitely, you can give a try in Amazon Web Services.
Elastic Beanstalk is a container service where you can easily deploy your application (war) file. Just upload a war file, AWS will launch Load balancer, Auto Scaling on your behalf.
For the database, for now you can launch a Amazon RDS (with Oracle). Transfer the data copy from your existing database to the Amazon RDS.
Hope this helps.
Note:
AWS costs you based on the type of the instance, database per hour basis.
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I am finding a good System monitoring tool using with AWS Auto scaling service. What i need is when My new instance is launched the monitoring Agent should be registered itself automatically to the Monitoring server. I have tried nagios, sensu for testing but there is no more facility i have found that provides agent to be auto register on monitoring server. There are other couple of suggestions like HypricHQ, OpenNMS but I failed to find that flexibility. Is there any other tool which provides that facility?
Zabbix uses an active agent capable of autoregistering whithin zabbix server, other systems that use the same phylosophy may be capable of the same. But you have to find a way to remove stale downscaled servers
In traditional server centric monitoring systems an external script should be used to get from aws api the server list and perhaps roles of these servers via tags like the one in shinken
There's a way to get in sync monitoring servers each time you scale or downscale. Autoscaling in amazon can post SNS notifications when it launch or destroy machines, you can create a topic in SNS and assing the autoscaling notifications and put a HTML endpoint able to "refresh" the monitoring server hosts lists.
After some R&D on this topic, i go with CloudWatch service provided by AWS. What I have done is made my own monitoring program which fetch data from AWS CloudWatch.
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does anyone have suggestions for dynamic service discovery on Amazon AWS?
I am thinking about ZooKeeper but would like an approch that do not require running VM's.
Check out Netflix's curator project.
It is a framework, client, and recipe wrapper around ZooKeeper.
One of the extensions is Service Discovery.
What Is a Discovery Service?
In SOA/distributed systems, services need to find each other. i.e. a
web service might need to find a caching service, etc. DNS can be used
for this but it is nowhere near flexible enough for services that are
constantly changing. A Service Discovery system provides a mechanism
for:
Services to register their availability
Locating a single instance of a particular service
Notifying when the instances of a service change
curator Service Discovery enables:
Registering/Unregistering Services
Querying for Services
Service Cache
What do you mean service discovery......you can use udp and whatever you need and broadcasting in a VPC to "discover" whatever you need and comes online. What does zookeeper(a system for helping to distributed transactions) have to do with service discovery.
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I was wondering if any of you know an Amazon version of cloud sites from rackspace. I know they have services similar to cloud servers and files but not this?
Basically, I'm looking for a scalable web server managed by them, *** but (this is what cloud sites can't do) I want to still be able to do things in the backend and install other apps etc.. (like my own server)?
thanks
Amazon does not offer any managed hosting services. What they provide is infrastructure-as-a-service, the barebones level services for building on top of. They offer no management services. This stuff is meant for low level developers / system administrators to build the higher level systems on, not your average web hosting customer.
Amazon's new Elastic Beanstalk offers something closer to Rackspace Cloud Sites, but is currently limited to Java sites.
I have a new Platform as a Service (SaaS) in the works to offer multiple languages/frameworks on top of AWS to the general public. Check it out...
http://www.mojoengine.com
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So far I've read some blog articles about cloud computing and services for hosting applications in the grid.
If I'd wanted to have a web application running in the cloud for as little cost as possible, what would be the best solution?
Let's assume the following configuration:
J2EE web application
Any free database (MySQL, PostgreSQL)
Any web container to deploy the web application to
What application stack would you suggest to be the best combination of services to
host
deploy
run
web applications?
As an additional requirement, the services chosen shouldn't require a lot about server management like firewall settings etc.
This space is changing very quickly right now so I think you will find a lot of different good answers. If I where to do something on the cheap right now I would probably pick the following stack:
Web server: apache
App server: tomcat - use the clustering support if you need to grow or split at the apache level or even introduce a load balancer box at the very front
DB server: MySql - mainly because it is easy to cluster
Platform: scalr - The cloud setup is simple and cheap. It uses Amazon's cloud on the backend and that gets you a lot of extras like putting servers in different datacenters for redundancy.
Now you can add in or remove parts of this. You may not need a web tier out there and can just expose tomcat directly. You may need EJBs and in that case you can just fire up more nodes for that and create another tier. You may want to add a tier for load balancing in front of apache. You may want to use the Amazon cloudfront service to push static files to their edge network.
I have investigated Amazon's ec2 solution recently. It is quite good and there are many pre-built boxes that you can use if you find one that suits your need. I think there will still be some server management involved...you cannot get away from that. But the pre built boxes will make it easier.
The cost is reasonable as you only pay for what you use.
[EDIT] The pre-built boxes are called Amazon Machine Images (AMIs).
I think you can get no where closer to Jelastic. It has all the stuffs that #carson mentioned. Specially I will mention their unique web console and they do not have any dependency for any API or console to be installed. I use their platform for many of the clients for my startup. Also additionally you get a nginx support for load balancing and configuring it right away from the console.