tCloudStop – Docs for ESB 5.x

Component family

Cloud

Function

This component accesses the cloud provider to be used (Amazon EC2)
and suspends, resumes or terminates given instance(s).

Purpose

This component allows you to change the status of a launched
instance on Amazon EC2 (Amazon Elastic Compute Cloud).

Basic settings

Access key and Secret key

Enter or paste the access key and the secret key required by
Amazon to authenticate your requests to its web services. These
access credentials are generated from the Security Credential view
of your Amazon account page.

To enter the secret key, click the […] button next to
the secret key field, and then in the pop-up dialog box enter the password between double
quotes and click OK to save the settings.

Cloud provider

Select the cloud provider to be used.

Action

Select the action you need tCloudStop to take in order to change the status of
a given instance. This action may be:

Note that if you terminate an instance, this instance
will be deleted, while a suspended instance can still be
resumed.

Predicate

Select the instance(s) of which you need to change the status. The
options are:

An instance group is composed of the instances using
the same instance name you have defined in the Instance name field of tCloudStart.

Group name

Enter the name of the group in which you want to change the status
of given instances. This field appears when you select Instances in a specific group or
Running instances in a specific
group from the Predicate list.

Id

Enter the ID of the instance of which you need to change the
status. This field appears when you select Instance with predefined id from the Predicate list.

tStatCatcher Statistics

Select this check box to collect the log data at the component
level.

Global Variables

ERROR_MESSAGE: the error message generated by the
component when an error occurs. This is an After variable and it returns a string. This
variable functions only if the Die on error check box is
cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable
functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl +
Space to access the variable list and choose the variable to use from it.

For further information about variables, see Talend Studio
User Guide.

Usage

This component works standalone to change the status of given
instances on Amazon EC2. You can use this component to suspend,
resume or terminate the instance(s) you have deployed Jobs
on.

This component often works alongside tCloudStart to change the status of the instances
launched by the latter component.

Limitation

N/A