copr: stop using yum-deprecated and install python2-modulemd from official fedora repos

Note that copr-backend is installed from @copr/copr repo. That however needs lighttpd to
be already running unless package is retrieved from a local filepath. That's why we add
additional local-filesystem path repofile for @copr/copr.

roles/copr/backend/files/yum/_copr_@modularity-modulemd.custom.repo

@@ -1,12 +0,0 @@
-[group_modularity-modulemd_custom]
-name=Copr Modularity repo
-failovermethod=priority
-baseurl=file:///var/lib/copr/public_html/results/@modularity/modulemd/fedora-$releasever-x86_64/
-        http://209.132.184.48/results/@modularity/modulemd/fedora-$releasever-x86_64/
-        https://copr-be.cloud.fedoraproject.org/results/@modularity/modulemd/fedora-$releasever-x86_64/
-        http://172.25.32.109/results/@modularity/modulemd/fedora-$releasever-x86_64/
-
-gpgcheck=1
-gpgkey=https://copr-be.cloud.fedoraproject.org/results/@modularity/modulemd/pubkey.gpg
-enabled=1
-skip_if_unavailable=1

roles/copr/backend/files/yum/copr_local.repo

@@ -0,0 +1,10 @@
+[group_copr-copr_local]
+name=group_copr-copr_local
+baseurl=file:///var/lib/copr/public_html/results/@copr/copr/fedora-$releasever-x86_64/
+type=rpm-md
+gpgcheck=1
+gpgkey=file:///var/lib/copr/public_html/results/@copr/copr/pubkey.gpg
+enabled=1
+enabled_metadata=1
+skip_if_unavailable=True
+priority=1

roles/copr/backend/tasks/main.yml

@@ -5,24 +5,16 @@
 - name: setup networking
   include: "network.yml"
 
-- name: install copr modularity repofile
-  copy: src="yum/_copr_@modularity-modulemd.custom.repo" dest="/etc/yum.repos.d/_copr_@modularity-modulemd.custom.repo"
+- name: install copr local path repo
+  copy: src="yum/copr_local.repo" dest="/etc/yum.repos.d/copr_local.repo"
   tags:
   - config
 
-- name: install python2-modulemd
-  shell: yum-deprecated install -y python2-modulemd || yum install -y python2-modulemd
-
-# BZ 1241507
-- name: install copr-backend
-  shell: yum-deprecated install -y copr-backend || yum install -y copr-backend
-- name: install copr-selinux
-  shell: yum-deprecated install -y copr-selinux || yum install -y copr-selinux
-
 - name: add packages for copr backend
   dnf: state=present name={{ item }}
   with_items:
-  #- copr-backend
+  - copr-backend
+  - copr-selinux
   - python-novaclient
   - python-glanceclient
   - python-neutronclient

roles/copr/base/files/yum/copr.repo

@@ -1,12 +1,10 @@
-[Copr]
-name=Copr
-failovermethod=priority
-baseurl=file:///var/lib/copr/public_html/results/@copr/copr/fedora-$releasever-x86_64/
-        http://209.132.184.48/results/@copr/copr/fedora-$releasever-x86_64/
-        https://copr-be.cloud.fedoraproject.org/results/@copr/copr/fedora-$releasever-x86_64/
-        http://172.25.32.109/results/@copr/copr/fedora-$releasever-x86_64/
-
+[group_copr-copr]
+name=Copr repo for copr owned by @copr
+baseurl=https://copr-be.cloud.fedoraproject.org/results/@copr/copr/fedora-$releasever-$basearch/
+type=rpm-md
+skip_if_unavailable=True
 gpgcheck=1
 gpgkey=https://copr-be.cloud.fedoraproject.org/results/@copr/copr/pubkey.gpg
+repo_gpgcheck=0
 enabled=1
-skip_if_unavailable=1
+enabled_metadata=1