Add charmcraft 3 support

Summary of changes:
- 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
- Drop non-noble tests
- Update constraints file from -2024.1.txt to -noble.txt
- Add charmbuild to .zuul.yaml

Change-Id: I5a6ba15bebf955ad84ed0b98f39f096d0970d4a0

.zuul.yaml

@@ -2,4 +2,8 @@
     templates:
       - openstack-python3-charm-jobs
       - openstack-cover-jobs
-
+    check:
+      jobs:
+        - charmbuild
+    vars:
+      charm_build_name: manila-ganesha

charmcraft.yaml

@@ -19,36 +19,17 @@ parts:
     build-environment:
       - CHARM_INTERFACES_DIR: $CRAFT_PROJECT_DIR/interfaces/
       - CHARM_LAYERS_DIR: $CRAFT_PROJECT_DIR/layers/
-bases:
-  - build-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures: [amd64]
-    run-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures: [amd64]
-  - build-on:
-      - name: ubuntu
-        channel: "22.04"
-        architectures: [s390x]
-    run-on:
-      - name: ubuntu
-        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]
+base: [email protected]
+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

osci.yaml

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

rename.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+charm=$(grep "charm_build_name" osci.yaml | awk '{print $2}')
+echo "renaming ${charm}_*.charm to ${charm}.charm"
+echo -n "pwd: "
+pwd
+ls -al
+echo "Removing bad downloaded charm maybe?"
+if [[ -e "${charm}.charm" ]];
+then
+    rm "${charm}.charm"
+fi
+echo "Renaming charm here."
+mv ${charm}_*.charm ${charm}.charm

src/metadata.yaml

@@ -9,8 +9,6 @@ description: |
 tags:
   - storage
   - file-servers
-series:
-  - jammy
 subordinate: false
 extra-bindings:
   tenant-storage: