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APP--suse_vds--ICO


At a Glance
Category	Application
User volumes	no
Min. memory	256 MB
OS	Linux
Constraints	no

Functional Overview

VDS_SLES11_r2 and VDS64_SLES11_r2 are dedicated virtual server applications. They are designed to be deployed as standalone applications with no catalog parts.

The VDS applications provide hosting providers a quick and easy way to offer a dedicated server offering on the CA AppLogic grid. Depending on your resource needs, the applications can scale from approximately one twentieth of a physical server to a full physical server.

VDS applications include a basic build environment with GCC, if available. With these VDSs, you can install any SLES package using zypper, yast or installed directly with rpm while running as root user.

The VDS applications configure themselves through properties on first boot. The initial user is created and the root password is placed in a file, /home/<user>/su.txt. You can reset the VDS applications to their default properties by deleting /appliance/passwd.stamp from the appliance and restarting the application.

When configuring the application, you can specify multiple IP addresses for a single interface. For example, you can run two identical applications on the same grid, but on separate servers as well as on different grids, if the IP address is accessible from both grids. In addition, you can specify the DNS settings instead of allowing the application to inherit the DNS settings from the grid. For additional information on configuring the application, refer to the Application Configuration section of the User Interface Reference.

Application	Latest Version	OS
VDS_SLES11_r2	1.1.0-1	SUSE Linux Enterprise Server 11 SP2 32-bit
VDS64_SLES11_r2	1.1.0-1	SUSE Linux Enterprise Server 11 SP2 64-bit

Boundary

Resources

Resource	Minimum	Maximum	Default
CPU	0.05	16	0.25
Memory	256 MB	32 GB	256 MB
Bandwidth	1 Mbps	2 Gbps	1 Mbps

Terminals

There are no terminals.

The raw interface is enabled. You must configure the raw interface in the GUI before starting the application. These applications use the multiple external interfaces feature.

The default interface is enabled. It is used for maintenance, such as incoming ssh connections from the controller.

User Volumes

None

Properties

Property Name	Type	Description
hostname	string	Defines the hostname to assign. This property is mandatory.
user	string	Defines the user to be created on provisioning of the application. This property is mandatory
user_pw	string	Defines the password of the user account to be created. This property is mandatory.
root_pw	string	Defines the password of the root account. It is set on the first boot and written to the /home/<user>/su.txt file. This property is mandatory.
dns1	ip_addr	Defines the primary nameserver (v4 or v6). Default: (empty).
dns2	ip_addr	Defines the secondary server (v4 or v6). Default: (empty).
dns3	ip_addr	Defines the third server (v4 or v6). Default: (empty).

Typical Usage

The VDS is used by hosting providers to offer dedicated servers using AppLogic without the need for any other third party software or licenses.

The VDS is distributed only as an application containing a single instance of the appliance and does not reside in any catalogs.

Notes

By way of example, provisioning the VDS can be done by running a single command that can be automated from the provider's portal.

app provision VDS_openSUSE12_r2 ExampleClient \

user=Exampleuser user_pw=abcd1234 root_pw=acbde12345 \
hostname=mydomain.com iface.ext=122.193.187.35 \
cpu.dflt=0.50 mem.dflt=1G VDS_openSUSE12.boot.size=10G

Limitations and Requirements

The /appliance directory must remain intact. Any changes to any files in this directory can cause the appliance to stop working.

The /root/.ssh/authorized_keys file should not be modified. It will be overwritten by the build system at runtime.

Error Messages

In case of application startup failure, the following errors may be logged to the system log:

Error Message	Description
Failed to set hostname	VDS failed to setup appliance hostname

Open Source and Third Party Software used Inside the Application

VDS_SLES11_r2 and VDS64_SLES11_r2 applications do not use any open source packages in addition to those of their base SLES releases.