Add charmcraft 3 support

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

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

Change-Id: I20fae8598cb4ec4b6464131024b1c27a8ca24e65

charmcraft.yaml

@@ -15,73 +15,23 @@ parts:
     - rustc
     - cargo
     build-snaps:
-      - charm
+    - charm/latest/edge
     build-environment:
     - CHARM_INTERFACES_DIR: /root/project/interfaces/
     - CHARM_LAYERS_DIR: /root/project/layers/
     - MAKEFLAGS: -j$(nproc)
-bases:
+
-  - build-on:
+base: ubuntu@24.04
-      - name: ubuntu
+platforms:
-        channel: "22.04"
+  amd64:
-        architectures: [amd64]
+    build-on: amd64
-    run-on:
+    build-for: amd64
-      - name: ubuntu
+  arm64:
-        channel: "22.04"
+    build-on: arm64
-        architectures: [amd64]
+    build-for: arm64
-  - build-on:
+  ppc64el:
-      - name: ubuntu
+    build-on: ppc64el
-        channel: "22.04"
+    build-for: ppc64el
-        architectures: [s390x]
+  s390x:
-    run-on:
+    build-on: s390x
-      - name: ubuntu
+    build-for: s390x
-        channel: "22.04"
-        architectures: [s390x]
-  - build-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures: [ppc64el]
-    run-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures: [ppc64el]
-  - build-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures: [arm64]
-    run-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures: [arm64]
-  - build-on:
-      - name: ubuntu
-        channel: "23.10"
-        architectures: [amd64]
-    run-on:
-      - name: ubuntu
-        channel: "23.10"
-        architectures: [amd64]
-  - build-on:
-      - name: ubuntu
-        channel: "23.10"
-        architectures: [s390x]
-    run-on:
-      - name: ubuntu
-        channel: "23.10"
-        architectures: [s390x]
-  - build-on:
-      - name: ubuntu
-        channel: "23.10"
-        architectures: [ppc64el]
-    run-on:
-      - name: ubuntu
-        channel: "23.10"
-        architectures: [ppc64el]
-  - build-on:
-      - name: ubuntu
-        channel: "23.10"
-        architectures: [arm64]
-    run-on:
-      - name: ubuntu
-        channel: "23.10"
-        architectures: [arm64]

osci.yaml

@@ -6,4 +6,4 @@
       needs_charm_build: true
       charm_build_name: ovn-central
       build_type: charmcraft
-      charmcraft_channel: 2.2/stable
+      charmcraft_channel: 3.x/beta

requirements.txt

@@ -6,7 +6,6 @@
 # NOTE(lourot): This might look like a duplication of test-requirements.txt but
 # some tox targets use only test-requirements.txt whereas charm-build uses only
 # requirements.txt
-setuptools<50.0.0  # https://github.com/pypa/setuptools/commit/04e3df22df840c6bb244e9b27bc56750c44b7c85
 
 # NOTE: newer versions of cryptography require a Rust compiler to build,
 # see

src/config.yaml

@@ -1,6 +1,6 @@
 options:
   source:
-    default: zed
+    default: caracal
     type: string
     description: |
       Repository from which to install packages.

src/tests/bundles/noble-caracal.yaml

@@ -1,9 +1,9 @@
 variables:
-  openstack-origin: &openstack-origin cloud:jammy-caracal
+  openstack-origin: &openstack-origin caracal
 
 local_overlay_enabled: False
 
-series: jammy
+series: noble
 
 applications:
 
@@ -13,7 +13,7 @@ applications:
     channel: latest/edge
 
   ovn-central:
-    charm: ../../../ovn-central_ubuntu-22.04-amd64.charm
+    charm: ../../../ovn-central_amd64.charm
     num_units: 3
     options:
       source: *openstack-origin

src/tests/tests.yaml

@@ -1,15 +1,13 @@
 charm_name: ovn-central
 
 gate_bundles:
-- jammy-caracal
+- noble-caracal
 
 smoke_bundles:
-- jammy-caracal
+- noble-caracal
 
 dev_bundles:
-- jammy-bobcat
+- noble-caracal
-- jammy-caracal
-- mantic-bobcat
 
 target_deploy_status:
   ovn-central:
@@ -32,6 +30,3 @@ tests:
 - zaza.openstack.charm_tests.ovn.tests.CentralCharmOperationTest
 - zaza.openstack.charm_tests.ovn.tests.OVNCentralDownscaleTests
 
-tests_options:
-  force_deploy:
-    - mantic-bobcat

src/wheelhouse.txt

@@ -3,8 +3,7 @@ psutil
 poetry-core
 six
 
-# pin zipp to a version that does not require setuptools>=42
+git+https://github.com/wolsen/charms.reactive.git@fix-entry-points#egg=charms.reactive
-zipp<=1.2.0
 
 git+https://github.com/openstack/charms.openstack.git#egg=charms.openstack
 

test-requirements.txt

@@ -4,7 +4,6 @@
 #     https://github.com/openstack-charmers/release-tools
 #
 pyparsing<3.0.0  # aodhclient is pinned in zaza and needs pyparsing < 3.0.0, but cffi also needs it, so pin here.
-setuptools<50.0.0  # https://github.com/pypa/setuptools/commit/04e3df22df840c6bb244e9b27bc56750c44b7c85
 
 stestr>=2.2.0