Add charmcraft 3 support

Update the charmcraft.yaml file to use base and platforms, only
allowing noble support.

- Update config to default to caracal.
- Update osci.yaml to use the charmcraft 3.x/beta
- Add noble/oracular to charmhelpers
- Drop non-noble tests

Change-Id: I9dc6e6aa5ab13ee4c6cd2cc6d14684dfcd5d35a8

charmcraft.yaml

@@ -5,30 +5,34 @@ parts:
     plugin: dump
     source: .
     prime:
-      - actions/*
-      - charmhelpers/*
-      - files/*
-      - hooks/*
-      - lib/*
-      - scripts/*
-      - templates/*
-      - actions.yaml
-      - config.yaml
-      - copyright
-      - hardening.yaml
-      - icon.svg
-      - LICENSE
-      - Makefile
-      - metadata.yaml
-      - README.md
+    - actions/*
+    - charmhelpers/*
+    - files/*
+    - hooks/*
+    - lib/*
+    - scripts/*
+    - templates/*
+    - actions.yaml
+    - config.yaml
+    - copyright
+    - hardening.yaml
+    - icon.svg
+    - LICENSE
+    - Makefile
+    - metadata.yaml
+    - README.md
 
-bases:
-  - build-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures:
-          - amd64
-    run-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures: [amd64, s390x, ppc64el, arm64]
+base: ubuntu@24.04
+platforms:
+  amd64:
+    build-on: amd64
+    build-for: amd64
+  arm64:
+    build-on: arm64
+    build-for: arm64
+  ppc64el:
+    build-on: ppc64el
+    build-for: ppc64el
+  s390x:
+    build-on: s390x
+    build-for: s390x

charmhelpers/core/host_factory/ubuntu.py

@@ -33,6 +33,8 @@
     'kinetic',
     'lunar',
     'mantic',
+    'noble',
+    'oracular',
 )
 
 

config.yaml

@@ -18,7 +18,7 @@ options:
       Setting this to True will allow supporting services to log to syslog.
   openstack-origin:
     type: string
-    default: bobcat
+    default: caracal
     description: |
       Repository from which to install. May be one of the following:
       distro (default), ppa:somecustom/ppa, a deb url sources entry,

osci.yaml

@@ -6,4 +6,4 @@
       needs_charm_build: true
       charm_build_name: keystone
       build_type: charmcraft
-      charmcraft_channel: 2.x/stable
+      charmcraft_channel: 3.x/beta

tests/bundles/noble-caracal.yaml

@@ -54,7 +54,7 @@ applications:
       openstack-origin: *openstack-origin
     to:
     - '6'
-    channel: 2024.1/edge
+    channel: latest/edge
 
 relations:
 

tests/tests.yaml

@@ -1,11 +1,9 @@
 charm_name: keystone
 
 smoke_bundles:
-  - jammy-caracal
+  - noble-caracal
 gate_bundles:
-  - jammy-antelope
-  - jammy-bobcat
-  - jammy-caracal
+  - noble-caracal
 dev_bundles:
   - noble-caracal
 comment: |