dnf yum: fix tests running on Fedora 29 (#47910)

* dnf yum: fix tests running on Fedora 29

* wrap in always block

test/integration/targets/dnf/tasks/dnf.yml

@@ -430,12 +430,28 @@
 
 # ENVIRONMENT UPGRADE
 # see commit de299ef77c03a64a8f515033a79ac6b7db1bc710
-- name: install Web Server environment
+
+# Newer Fedora Docker images come with coreutils-single which is incompatible
+# with coreutils (required by @Web Server). We force the install of coreutils
+# before running the environment group install.
+# https://github.com/fedora-cloud/docker-brew-fedora/issues/58
+- name: ensure coreutils is installed over coreutils-single
+  command: dnf install --allowerasing -y coreutils
+  changed_when: '"Nothing to do" not in coreutils_install.stdout'
+  register: coreutils_install
+
+- block:
+  - name: install Web Server environment
     dnf:
       name: "@Web Server"
       state: latest
     register: dnf_result
 
+  always:
+  - name: reinstall coreutils-single if coreutils was installed
+    command: dnf install --allowerasing -y coreutils-single
+    when: coreutils_install is changed
+
 - name: verify installation of the environment
   assert:
     that:

test/integration/targets/dnf/tasks/dnfreleasever.yml

@@ -19,7 +19,7 @@
   dnf:
     name: filesystem
     installroot: '/{{dnfroot.stdout}}'
-    releasever: 22
+    releasever: '{{ansible_distribution_version|int - 1}}'
   register: dnf_result
 
 - name: check filesystem version
@@ -40,7 +40,7 @@
 - name: verify the version
   assert:
     that:
-      - "rpm_result.stdout.find('fc22') != -1"
+      - "rpm_result.stdout.find('fc' ~ (ansible_distribution_version|int - 1)) != -1"
 
 - name: cleanup installroot
   file:

test/integration/targets/yum/files/yum.conf

@@ -0,0 +1,5 @@
+[main]
+gpgcheck=1
+installonly_limit=3
+clean_requirements_on_remove=True
+tsflags=nodocs

test/integration/targets/yum/tasks/yum.yml

@@ -120,15 +120,30 @@
     that:
         - "yum_result is successful"
 
-- name: install sos with state latest in check mode with config file param
+- name: copy yum.conf file in case it is missing
+  copy:
+    src: yum.conf
+    dest: /etc/yum.conf
+    force: False
+  register: yum_conf_copy
+
+- block:
+  - name: install sos with state latest in check mode with config file param
     yum: name=sos state=latest conf_file=/etc/yum.conf
     check_mode: true
     register: yum_result
-- name: verify install sos with state latest in check mode with config file param
+  - name: verify install sos with state latest in check mode with config file param
     assert:
       that:
         - "yum_result is changed"
 
+  always:
+  - name: remove tmp yum.conf file if we created it
+    file:
+      path: /etc/yum.conf
+      state: absent
+    when: yum_conf_copy is changed
+
 - name: install sos with state latest in check mode
   yum: name=sos state=latest
   check_mode: true