templates/packer: use python3.10 on fedora

Ansible on fedora 40 seems broken, the default python 3.12 interpreter
doesn't work, 3.10 works but then the dnf module breaks.

Use 3.10 and stop using the dnf module.

templates/packer/ansible/roles/common/tasks/packages.yml

@@ -28,9 +28,8 @@
 - name: Upgrade all packages
   tags:
     - always
-  package:
-    name: "*"
-    state: latest
+  shell: |
+    sudo dnf -y update
   register: result
   retries: 5
   until: result is success
@@ -45,11 +44,8 @@
 - name: Install required packages
   tags:
     - always
-  package:
-    name:
-      - jq
-      - unzip
-      - vector
+  shell: |
+    sudo dnf -y install jq unzip vector
   register: result
   retries: 5
   until: result is success
@@ -122,10 +118,8 @@
   tags:
     - ci
     - rhel
-  package:
-    name:
-      - osbuild-composer-worker
-    state: present
+  shell: |
+    sudo dnf -y install osbuild-composer-worker
 
 - name: Install worker rpm from copr
   tags:

templates/packer/worker.pkr.hcl

@@ -166,14 +166,12 @@ update-crypto-policies --set LEGACY
 EOF
   }
 
-  # Ansible is a little broken on fedora>39, needs python-six & 3.9
-  # Installing python3.9 breaks dnf update with ansible, so do it here
-  # first
+  # Ansible is quite broken on fedora 40, using python 3.10 + not using
+  # the dnf module seems to work.
   provisioner "shell" {
     only = ["amazon-ebs.fedora-40-x86_64", "amazon-ebs.fedora-40-aarch64"]
     inline = [
-      "sudo dnf install -y python3.9",
-      "sudo dnf -y update"
+      "sudo dnf install -y python3.10",
     ]
   }
 

tools/appsre-build-worker-packer.sh

@@ -75,7 +75,7 @@ EOF
 
         if [[ "$item" == templates/packer/ansible/inventory/fedora* ]]; then
             tee -a "$item/group_vars/all.yml" <<EOF
-ansible_python_interpreter: /usr/bin/python3.9
+ansible_python_interpreter: /usr/bin/python3.10
 EOF
         fi