Setting Up the Development Environment for Writing a Data Service

Before you begin to develop your data service, you must install the Oracle Solaris Cluster development IPS package (ha-cluster/developer/api) to have access to the Oracle Solaris Cluster header and library files. Although this package is already installed on all cluster nodes, you typically develop your data service on a separate, noncluster development machine, rather than on a cluster node. In this typical case, you must use the pkg install command to install the ha-cluster/developer/api IPS package on your development machine.

When compiling and linking your code, you must set particular options to identify the header and library files.

Note - You cannot mix compatibility-mode compiled C++ code and standard-mode compiled C++ code in the Oracle Solaris Operating System and Oracle Solaris Cluster products. Consequently, if you intend to create a C++ based data service for use on Oracle Solaris Cluster software, you must use the standard mode to compile that data service.

When you have finished development (on a noncluster node), you can transfer the completed data service to a cluster for testing.

The procedures in this section describe how to complete the following tasks:

Install the Oracle Solaris Cluster development IPS package (ha-cluster/developer/api) and set the correct compiler and linker options.
Transfer the data service to a cluster.

How to Set Up the Development Environment

This procedure describes how to install the ha-cluster/developer/api IPS package and set the compiler and linker options for data service development.

Assume the root role that provides solaris.cluster.modify RBAC authorization.

Ensure that the solaris and ha-cluster publishers are valid.

# pkg publisher
PUBLISHER                           TYPE     STATUS   URI
solaris                             origin   online   solaris-repository
ha-cluster                          origin   online   ha-cluster-repository

For information about setting the solaris publisher, see Set the Publisher Origin to the File Repository URI in Copying and Creating Oracle Solaris 11.1 Package Repositories.

Install the ha-cluster/developer/api package in the current directory.
```
# pkg install ha-cluster/developer/api
```
Verify that the package installed successfully.
```
phys-schost% pkg info ha-cluster/developer/api
```
Installation is successful if output shows that State is Installed.
In the makefile, specify compiler and linker options that identify the include and library files for your data service code.
Specify the -I option to identify the Oracle Solaris Cluster header files, the -L option to specify the compile-time library search path on the development system, and the -R option to specify the library search path to the runtime linker in the cluster.
```
# Makefile for sample data service
...

-I /usr/cluster/include

-L /usr/cluster/lib

-R /usr/cluster/lib
...
```

Transferring a Data Service to a Cluster

When you have completed the data service on a development machine, you must transfer the data service to a cluster for testing. To reduce the chance of error during the transfer, combine the data service code and the RTR file into a package. Then, install the package on the Oracle Solaris hosts on which you want to run the service.

Note - Agent Builder creates a System V Revision 4 (SVR4) package automatically.

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	Oracle Solaris Cluster Data Services Developer's Guide Oracle Solaris Cluster 4.1