[9.20] chg: ci: Replace Oracle Linux Docker images with AlmaLinux ones

To be consistent with the replacing of Oracle Linux QCOW2 images with
AlmaLinux AWS AMIs, also replace Docker images.

Backport of MR !10434

Merge branch 'backport-mnowak/replace-oracle-linux-with-almalinux-9.20' into 'bind-9.20'

See merge request isc-projects/bind9!10512

.gitlab-ci.yml

@@ -175,20 +175,22 @@ stages:
   image: "$CI_REGISTRY_IMAGE:alpine-3.21-amd64"
   <<: *linux_amd64
 
-# Oracle Linux
+# AlmaLinux
 
-.oraclelinux-8-amd64: &oraclelinux_8_amd64_image
+.almalinux-8-amd64: &almalinux_8_amd64_image
-  image: "$CI_REGISTRY_IMAGE:oraclelinux-8-amd64"
+  image: "$CI_REGISTRY_IMAGE:almalinux-8-amd64"
   <<: *linux_amd64
 
+.almalinux-9-amd64: &almalinux_9_amd64_image
+  image: "$CI_REGISTRY_IMAGE:almalinux-9-amd64"
+  <<: *linux_amd64
+
+# Oracle Linux
+
 .oraclelinux-8fips-amd64: &oraclelinux_8fips_amd64_image
   image: "oraclelinux-8fips-x86_64"
   <<: *libvirt_amd64
 
-.oraclelinux-9-amd64: &oraclelinux_9_amd64_image
-  image: "$CI_REGISTRY_IMAGE:oraclelinux-9-amd64"
-  <<: *linux_amd64
-
 .oraclelinux-9fips-amd64: &oraclelinux_9fips_amd64_image
   image: "oraclelinux-9fips-x86_64"
   <<: *libvirt_amd64
@@ -839,54 +841,54 @@ unit:gcc:alpine3.21:amd64:
     - job: gcc:alpine3.21:amd64
       artifacts: true
 
-# Jobs for regular GCC builds on Oracle Linux 8 (amd64)
+# Jobs for regular GCC builds on Alma Linux 8 (amd64)
 
-gcc:oraclelinux8:amd64:
+gcc:almalinux8:amd64:
   variables:
     CC: gcc
     CFLAGS: "${CFLAGS_COMMON}"
     EXTRA_CONFIGURE: "--with-libidn2"
-  <<: *oraclelinux_8_amd64_image
+  <<: *almalinux_8_amd64_image
   <<: *build_job
 
-system:gcc:oraclelinux8:amd64:
+system:gcc:almalinux8:amd64:
-  <<: *oraclelinux_8_amd64_image
+  <<: *almalinux_8_amd64_image
   <<: *system_test_job
   <<: *api_pipelines_schedules_tags_triggers_web_triggering_rules
   needs:
-    - job: gcc:oraclelinux8:amd64
+    - job: gcc:almalinux8:amd64
       artifacts: true
 
-unit:gcc:oraclelinux8:amd64:
+unit:gcc:almalinux8:amd64:
-  <<: *oraclelinux_8_amd64_image
+  <<: *almalinux_8_amd64_image
   <<: *unit_test_job
   <<: *api_pipelines_schedules_tags_triggers_web_triggering_rules
   needs:
-    - job: gcc:oraclelinux8:amd64
+    - job: gcc:almalinux8:amd64
       artifacts: true
 
-# Jobs for regular GCC builds on Oracle Linux 9 (amd64)
+# Jobs for regular GCC builds on Alma Linux 9 (amd64)
 
-gcc:oraclelinux9:amd64:
+gcc:almalinux9:amd64:
   variables:
     CC: gcc
     CFLAGS: "${CFLAGS_COMMON}"
     EXTRA_CONFIGURE: "--with-libidn2 --disable-developer"
-  <<: *oraclelinux_9_amd64_image
+  <<: *almalinux_9_amd64_image
   <<: *build_job
 
-system:gcc:oraclelinux9:amd64:
+system:gcc:almalinux9:amd64:
-  <<: *oraclelinux_9_amd64_image
+  <<: *almalinux_9_amd64_image
   <<: *system_test_job
   needs:
-    - job: gcc:oraclelinux9:amd64
+    - job: gcc:almalinux9:amd64
       artifacts: true
 
-unit:gcc:oraclelinux9:amd64:
+unit:gcc:almalinux9:amd64:
-  <<: *oraclelinux_9_amd64_image
+  <<: *almalinux_9_amd64_image
   <<: *unit_test_job
   needs:
-    - job: gcc:oraclelinux9:amd64
+    - job: gcc:almalinux9:amd64
 
 # Jobs for scheduled GCC builds on Oracle Linux 8 & 9 FIPS-aware images with
 # FIPS mode in BIND 9 enabled
@@ -943,7 +945,7 @@ gcc:tarball:nosphinx:
     CFLAGS: "${CFLAGS_COMMON}"
     EXTRA_CONFIGURE: "--with-libidn2 --disable-developer"
     RUN_MAKE_INSTALL: 1
-  <<: *oraclelinux_9_amd64_image
+  <<: *almalinux_9_amd64_image
   <<: *build_job
   before_script:
     - (! command -v sphinx-build >/dev/null)

doc/arm/platforms.inc.rst

@@ -46,7 +46,7 @@ following systems:
 -  Debian 12
 -  Ubuntu LTS 22.04, 24.04
 -  Fedora 42
--  Red Hat Enterprise Linux / CentOS / Oracle Linux 8, 9
+-  Red Hat Enterprise Linux / CentOS / Oracle Linux / AlmaLinux 8, 9
 -  FreeBSD 13.4, 14.2
 -  Alpine Linux 3.21