Packaging: remove Centos 7, add Rockylinux 9.

pkg/rules/packages-to-build.yml

@@ -11,56 +11,68 @@ image:
   - "debian:buster" # debian/10
   - "debian:bullseye" # debian/11
   - "debian:bookworm" # debian/12
-  - "centos:7"
   - "rockylinux:8" # compatible with EOL centos:8
+  - 'rockylinux:9'
 target:
   - "x86_64"
+test-image:
+  # Set 'test-image' to the empty string for all matrix permutations so that
+  # the default ('image') will be used to launch an LXC container to test the
+  # created packages in. Why explicitly set what is already the default?
+  # If this isn't present, later entries in the include set below will
+  # overwrite earlier entries that differ only by their 'test-image' value.
+  # If however 'test-image' is present in the original matrix by defining it
+  # here, then 'included' entries will no longer overwrite each other because
+  # they alter a key that is present in the original matrix. This is just how
+  # GitHub Actions matrix include rules work.
+  - ""
 include:
-  # cargo-generate-rpm doesn't support specifying feature variations in Cargo.toml so we have to do it via
-  # custom build arguments instead.
-  # For CentOS 7 we want to statically link with OpenSSL, but `cargo generate-rpm` doesn't build the code for
-  # us unlike `cargo deb`, so we have to control the feature set used for building ourselves rather than in
-  # `Cargo.toml`.
-  - image: "centos:7"
-    extra_build_args: "--features static-openssl"
-    rpm_systemd_service_unit_file: pkg/common/krill-ubuntu-xenial.krill.service
-
-  # CentOS 8 became EOL and is in theory still usable as a build container as there is still a Docker image
-  # available, and package installation can be done by switching the yum config in the container to use packages
-  # from the CentOS 8 vault rather than the now offline actual CentOS 8 repository. However, due to experiencing
-  # lots of timed out connections to the vault we will build the CentOS 8 compatible package in a Rocky Linux
-  # container instead, as Rocky Linux is 100% compatible with CentOS 8. The server at packages.nlnetlabs.nl
-  # however has a repo for CentOS 8, not Rocky Linux, and determines the repo to publish in based on the name of
-  # the archive that we produce below which is in turn based by default on the container image used to build. We
-  # therefore in this case need to specify that the O/S we are building for has a different name than the Docker
-  # image we are building it in.
+  # CentOS 8 became EOL and is in theory still usable as a build container
+  # as there is still a Docker image available, and package installation can
+  # be done by switching the yum config in the container to use packages
+  # from the CentOS 8 vault rather than the now offline actual CentOS 8
+  # repository. However, due to experiencing lots of timed out connections to
+  # the vault we will build the CentOS 8 compatible package in a Rocky Linux
+  # container instead, as Rocky Linux is 100% compatible with CentOS 8. The
+  # server at packages.nlnetlabs.nl however has a repo for CentOS 8, not
+  # Rocky Linux, and determines the repo to publish in based on the name of
+  # the archive that we produce below which is in turn based by default on
+  # the container image used to build. We therefore in this case need to
+  # specify that the O/S we are building for has a different name than the
+  # Docker image we are building it in.
   - image: "rockylinux:8"
     os: "centos:8"
     rpm_systemd_service_unit_file: "pkg/common/krill-ubuntu-focal.krill.service"
+  - image: "rockylinux:9"
+    rpm_systemd_service_unit_file: "pkg/common/krill-ubuntu-focal.krill.service"
 
-  # package for the Raspberry Pi 4b as an ARMv7 cross compiled variant of the Debian Bullseye upon which
-  # Raspbian 11 is based.
+  # package for the Raspberry Pi 4b as an ARMv7 cross compiled variant of
+  # the Debian Bullseye upon which Raspbian 11 is based.
   - pkg: "krill"
     image: "debian:bullseye"
     target: "armv7-unknown-linux-gnueabihf"
   - pkg: "krillup"
     image: "debian:bullseye"
     target: "armv7-unknown-linux-gnueabihf"
 
-  # package for the Raspberry Pi 1b as an ARMv6 cross compiled variant of the Debian Buster upon which
-  # Raspbian 10 is based.
+  # package for the Raspberry Pi 1b as an ARMv6 cross compiled variant of
+  # the Debian Buster upon which Raspbian 10 is based.
   - pkg: "krill"
     image: "debian:buster"
     target: "arm-unknown-linux-gnueabihf"
   - pkg: "krillup"
     image: "debian:buster"
     target: "arm-unknown-linux-gnueabihf"
 
-  # package for the ROCK64 as an AARCH64 cross compiled variant of Debian Buster upon which Armbian 21 is
-  # based.
+  # package for the ROCK64 as an AARCH64 cross compiled variant of Debian
+  # Buster upon which Armbian 21 is based.
   - pkg: "krill"
     image: "debian:buster"
     target: "aarch64-unknown-linux-gnu"
   - pkg: "krillup"
     image: "debian:buster"
     target: "aarch64-unknown-linux-gnu"
+test-exclude:
+  - image: "rockylinux:9"
+    mode: "upgrade-from-published"
+