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Building RPM packages for SUSE-type OSs

Building RPMS using docker

We use docker containers to build the RPMs for various Suse versions of LINUX.

To make use of these you will need to install docker.

These builds have been tested on the following versions:

  • opensuse leap
  • opensuse latest

Steps in the process

The following are the steps required in the process:

Step Script to run
Create custom container make_custom_image.suse
Perform the lrose build do_lrose_build.suse
Create the rpm make_package.suse
Install and test the rpm install_pkg_and_test.suse

For the test step, the RPM is installed into a clean container, and one of the applications is run to make sure the installation was successful.

The details of the steps are as follows:

Create custom container: run make_custom_image.suse.

Create a container, based on the OS image, with the relevant packages installed.

The created container will be called, as an example:

  custom/opensuse:latest

Perform the lrose build: run do_lrose_build.suse.

Perform the build in the custom container.

This creates a new container, that will be called, as an example:

  build.lrose-core/opensuse:latest

Create the rpm: run make_package.suse.

This will create the rpm from the build, and store it in, as an example:

  /tmp/pkg.opensuse_latest.lrose-core/lrose-core-2021021-opensuse_latest.x86_64.rpm

with a copy in

  $HOME/releases/lrose-core

Install and test the rpm: run install_pkg_and_test.suse.

For the test step, the RPM is installed into a clean container, and one of the applications is run to make sure the installation was successful.

The command we run as a test is:

  RadxPrint -h

On success this will create a log file with the output from RadxPrint.

The log file will be, as an example:

  /tmp/pkg.opensuse_latest.lrose-core/lrose-core.opensuse_latest.install_log.txt

The length of the log file should be over 5000 bytes.

If it is shorter than this, it is likely that an error occurred. Check the log file to see what went wrong.

Location of RPMs

The RPMs are built in the containers, and then copied across onto cross-mounted locations on the host.

After the RPMs are built they are placed in /tmp.

For example:

  /tmp/pkg.opensuse_latest.lrose-core/lrose-core-2021021-opensuse_latest.x86_64.rpm
  /tmp/pkg.opensuse_leap.lrose-core/lrose-core-2021021-opensuse_leap.x86_64.rpm

These are also copied into the release directory:

  $HOME/releases/lrose-core

Installing the RPMs on a host system

Use zypper to install the RPM. For example:

  zypper install -y ./lrose-core-2021021-opensuse_latest.x86_64.rpm

Note that you need to specify the absolute path, hence the '.'.