Drop seperate yum clean all calls.

roles/anitya/backend/tasks/main.yml

@@ -1,14 +1,8 @@
 ---
 # Configuration for the anitya webapp
 
-- name: clean yum metadata
-  command: yum clean all
-  tags:
-  - packages
-  - anitya_backend
-
 - name: install needed packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - anitya
   - python-psycopg2

roles/anitya/frontend/tasks/main.yml

@@ -1,14 +1,8 @@
 ---
 # Configuration for the anitya webapp
 
-- name: clean yum metadata
-  command: yum clean all
-  tags:
-  - packages
-  - anitya_frontend
-
 - name: install needed packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - anitya
   - python-psycopg2

roles/copr/backend/tasks/main.yml

@@ -30,9 +30,6 @@
   - /var/lib/copr/jobs
   - /var/lib/copr/public_html/results
 
-- name: Umask results
-  command: /usr/bin/umask 0000 chdir=/var/lib/copr/public_html/results
-
 - name: setup dirs there
   file: state=directory path="/home/copr/{{ item }}" owner=copr group=copr mode=0700
   with_items:

roles/gallery/tasks/main.yml

@@ -1,13 +1,8 @@
 ---
 # Configuration for the gallery webapp
 
-- name: clean yum metadata
-  command: yum clean all
-  tags:
-  - packages
-
 - name: install needed packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - gallery3
   - gallery3-openid

roles/ipsilon/tasks/main.yml

@@ -1,14 +1,8 @@
 ---
 # Configuration for the ipsilon webapp
 
-- name: clean yum metadata
-  command: yum clean all
-  changed_when: False
-  tags:
-  - packages
-
 - name: install needed packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - ipsilon
   - ipsilon-authfas

roles/kerneltest/tasks/main.yml

@@ -1,14 +1,8 @@
 ---
 # Configuration for the kerneltest webapp
 
-- name: clean yum metadata
-  command: yum clean all
-  tags:
-  - packages
-  - kerneltest
-
 - name: install needed packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - kerneltest
   - python-psycopg2

roles/mirrormanager/backend/tasks/main.yml

@@ -1,13 +1,8 @@
 ---
 # Configuration for the mirrormanager backend
 
-- name: clean yum metadata
-  command: yum clean all
-  tags:
-  - packages
-
 - name: install needed packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - mirrormanager2-backend
   - mirrormanager2-statistics

roles/mirrormanager/crawler/tasks/main.yml

@@ -1,13 +1,8 @@
 ---
 # Configuration for MirrorManager's crawler
 
-- name: clean yum metadata
-  command: yum clean all
-  tags:
-  - packages
-
 - name: install needed packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - mirrormanager2-crawler
   - python-psycopg2

roles/mirrormanager/frontend2/tasks/main.yml

@@ -1,14 +1,8 @@
 ---
 # tasklist for setting up the mirrormanager web application
 
-- name: clean yum metadata
-  command: yum clean all
-  tags:
-  - mm2_frontend
-  - packages
-
 - name: install needed packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - mirrormanager2
   - python-psycopg2

roles/repo2json/tasks/main.yml

@@ -1,14 +1,8 @@
 ---
 # Configuration for the fedocal webapp
 
-- name: clean yum metadata
-  command: yum clean all
-  tags:
-  - packages
-  - repo2json
-
 - name: Install necessary packages
-  yum: pkg={{ item }} state=present
+  yum: pkg={{ item }} state=present update_cache=yes
   with_items:
   - python-sqlalchemy0.7
   - pyliblzma