ci: switch to Fedora-based image

Related to packit/deployment#638

Signed-off-by: Matej Focko <mfocko@redhat.com>

Author: mfocko

Dockerfile

@@ -1,4 +1,4 @@
-FROM quay.io/packit/base:c9s
+FROM quay.io/packit/base:fedora
 
 # set default value, can be overriden by --build-arg while building
 ARG VITE_API_URL=https://stg.packit.dev/api

Dockerfile.tests

@@ -1,4 +1,4 @@
-FROM fedora:35
+FROM quay.io/packit/base:fedora
 
 ENV HOME=/home/packit_dashboard \
     ANSIBLE_PYTHON_INTERPRETER=/usr/bin/python3 \

files/ansible/install-deps.yaml

@@ -4,15 +4,27 @@
   vars:
     packit_dashboard_path: /src
   tasks:
+    - name: Switching between supported underlying distributions
+      block:
+        - name: Set node.js package name for CentOS
+          ansible.builtin.set_fact:
+            node_pkg: "@nodejs:20"
+          when: ansible_distribution == "CentOS"
+
+        - name: Set node.js package name for Fedora
+          ansible.builtin.set_fact:
+            node_pkg: "nodejs"
+          when: ansible_distribution == "Fedora"
+
     - name: Install all RPM/Python/Node packages needed to run dashboard
-      dnf:
+      ansible.builtin.dnf:
         name:
           - python3-pip
           - python3-flask
           - python3-flask-talisman
           - python3-cachetools
           - python3-requests
-          - "@nodejs:20"
+          - "{{ node_pkg }}"
           - python3-mod_wsgi
           - mod_ssl
           - mod_http2