diff --git a/roles/taskotron/buildmaster/tasks/main.yml b/roles/taskotron/buildmaster/tasks/main.yml
index 45bcfaf687..a4bc166118 100644
--- a/roles/taskotron/buildmaster/tasks/main.yml
+++ b/roles/taskotron/buildmaster/tasks/main.yml
@@ -1,13 +1,23 @@
 - name: ensure packages required for buildmaster are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest enablerepos={{ extra_enablerepos }}
   with_items:
     - buildbot
     - buildbot-master
     - libsemanage-python
     - python-psycopg2
+  when: ansible_distribution_major_version|int < 22
 
 - name: ensure packages required for buildmaster are installed
-  action: yum name={{ item }} state=latest
+  dnf: name={{ item }} state=latest enablerepos={{ extra_enablerepos }}
+  with_items:
+    - buildbot
+    - buildbot-master
+    - libsemanage-python
+    - python-psycopg2
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
+
+- name: ensure packages required for buildmaster are installed
+  action: dnf name={{ item }} state=latest
   when: deployment_type == 'qadevel-prod' or deployment_type == 'qa-stg'
   with_items:
     - python-novaclient
diff --git a/roles/taskotron/buildslave/tasks/main.yml b/roles/taskotron/buildslave/tasks/main.yml
index 36a027fdc9..dc5030011d 100644
--- a/roles/taskotron/buildslave/tasks/main.yml
+++ b/roles/taskotron/buildslave/tasks/main.yml
@@ -1,5 +1,5 @@
 - name: ensure packages required for buildslave are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest enablerepos={{ extra_enablerepos }}
   with_items:
     - buildbot-slave
     - git
@@ -13,6 +13,24 @@
     - pylint
     - python-pep8
     - moreutils
+  when: ansible_distribution_major_version|int < 22
+
+- name: ensure packages required for buildslave are installed (f22+)
+  dnf: name={{ item }} state=latest enablerepos={{ extra_enablerepos }}
+  with_items:
+    - buildbot-slave
+    - git
+    - rpmlint
+    - koji
+    - bodhi-client
+    - python-virtualenv
+    - gcc
+    - libcurl-devel
+    - rpm-build
+    - pylint
+    - python-pep8
+    - moreutils
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: add the buildslave user
   user: name=buildslave
diff --git a/roles/taskotron/execdb/tasks/main.yml b/roles/taskotron/execdb/tasks/main.yml
index 1b3b74c38e..556f3df5c0 100644
--- a/roles/taskotron/execdb/tasks/main.yml
+++ b/roles/taskotron/execdb/tasks/main.yml
@@ -1,5 +1,5 @@
 - name: ensure packages required for execdb are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest
   when: deployment_type == 'prod' or deployment_type == 'local'
   with_items:
     - execdb
@@ -7,14 +7,14 @@
     - python-psycopg2
     - libsemanage-python
 
-- name: ensure packages required for execdb are installed (testing)
-  action: yum name={{ item }} state=latest enablerepo=infrastructure-testing
-  when: deployment_type == 'dev' or deployment_type == 'stg'
+- name: ensure packages required for execdb are installed (f22+)
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
     - execdb
     - mod_wsgi
     - python-psycopg2
     - libsemanage-python
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: ensure database is created
   delegate_to: "{{ execdb_db_host }}"
@@ -27,7 +27,7 @@
   delegate_to: "{{ execdb_db_host }}"
   sudo_user: postgres
   sudo: true
-  action: postgresql_user db={{ execdb_db_name }} user={{ dev_execdb_db_user }} password={{ dev_execdb_db_password }} role_attr_flags=NOSUPERUSER
+  action: postgresql_user db={{ execdb_db_name }} user={{ execdb_db_user }} password={{ execdb_db_password }} role_attr_flags=NOSUPERUSER
 
 - name: ensure stg execdb db user has access to stg database
   when: deployment_type == 'stg'
diff --git a/roles/taskotron/grokmirror/tasks/main.yml b/roles/taskotron/grokmirror/tasks/main.yml
index d4457839fb..6cfa7754c9 100644
--- a/roles/taskotron/grokmirror/tasks/main.yml
+++ b/roles/taskotron/grokmirror/tasks/main.yml
@@ -1,8 +1,16 @@
 - name: ensure grokmirror packages are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
       - git
       - python-grokmirror
+  when: ansible_distribution_major_version|int < 22
+
+- name: ensure grokmirror packages are installed
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
+  with_items:
+      - git
+      - python-grokmirror
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: create grokmirror user
   user: name={{ grokmirror_user }}
diff --git a/roles/taskotron/resultsdb-backend/tasks/main.yml b/roles/taskotron/resultsdb-backend/tasks/main.yml
index 0858faa4a4..1de8c466f1 100644
--- a/roles/taskotron/resultsdb-backend/tasks/main.yml
+++ b/roles/taskotron/resultsdb-backend/tasks/main.yml
@@ -1,5 +1,5 @@
 - name: ensure packages required for resultsdb are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest
   when: deployment_type == 'prod' or deployment_type == 'local'
   with_items:
     - resultsdb
@@ -8,8 +8,8 @@
     - libsemanage-python
 
 - name: ensure packages required for resultsdb are installed (infra-testing)
-  action: yum name={{ item }} state=latest enablerepo=infrastructure-testing
-  when: deployment_type == 'dev' or deployment_type == 'stg'
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
   with_items:
     - resultsdb
     - mod_wsgi
@@ -17,17 +17,17 @@
     - libsemanage-python
 
 - name: ensure database is created
-  delegate_to: "{{ resultsdb_db_host }}"
+  delegate_to: "{{ resultsdb_db_host_machine }}"
   sudo_user: postgres
   sudo: true
   action: postgresql_db db={{ resultsdb_db_name }}
 
 - name: ensure dev resultsdb db user has access to dev database
   when: deployment_type == 'dev'
-  delegate_to: "{{ resultsdb_db_host }}"
+  delegate_to: "{{ resultsdb_db_host_machine }}"
   sudo_user: postgres
   sudo: true
-  action: postgresql_user db={{ resultsdb_db_name }} user={{ dev_resultsdb_db_user }} password={{ dev_resultsdb_db_password }} role_attr_flags=NOSUPERUSER
+  action: postgresql_user db={{ resultsdb_db_name }} user={{ resultsdb_db_user }} password={{ resultsdb_db_password }} role_attr_flags=NOSUPERUSER
 
 - name: ensure stg resultsdb db user has access to stg database
   when: deployment_type == 'stg'
diff --git a/roles/taskotron/resultsdb-frontend/tasks/main.yml b/roles/taskotron/resultsdb-frontend/tasks/main.yml
index 618b98c83e..1f232c7f77 100644
--- a/roles/taskotron/resultsdb-frontend/tasks/main.yml
+++ b/roles/taskotron/resultsdb-frontend/tasks/main.yml
@@ -1,16 +1,16 @@
 - name: ensure packages required for resultsdb_frontend are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   when: deployment_type == 'prod' or deployment_type == 'local'
   with_items:
     - resultsdb_frontend
     - mod_wsgi
 
-- name: ensure packages required for resultsdb_frontend are installed (infra-testing)
-  action: yum name={{ item }} state=latest enablerepo=infrastructure-testing
-  when: deployment_type == 'dev' or deployment_type == 'stg'
+- name: ensure packages required for resultsdb_frontend are installed (f22+)
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
     - resultsdb_frontend
     - mod_wsgi
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: generate resultsdb_frontend config
   template: src=settings.py.j2 dest=/etc/resultsdb_frontend/settings.py owner=root group=root mode=0644
diff --git a/roles/taskotron/ssl-taskotron/tasks/main.yml b/roles/taskotron/ssl-taskotron/tasks/main.yml
index 335466bd24..e42cced641 100644
--- a/roles/taskotron/ssl-taskotron/tasks/main.yml
+++ b/roles/taskotron/ssl-taskotron/tasks/main.yml
@@ -1,7 +1,14 @@
 - name: ensure ssl related packages are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
       - mod_ssl
+  when: ansible_distribution_major_version|int < 22
+
+- name: ensure ssl related packages are installed
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
+  with_items:
+      - mod_ssl
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: copy ssl key
   copy: src={{ private }}/files/taskotron/certs/{{ inventory_hostname }}/{{ inventory_hostname }}.key dest=/etc/pki/tls/private/{{ inventory_hostname }}.key
diff --git a/roles/taskotron/taskotron-client/tasks/main.yml b/roles/taskotron/taskotron-client/tasks/main.yml
index ab8b9f0d2c..a77557cd1e 100644
--- a/roles/taskotron/taskotron-client/tasks/main.yml
+++ b/roles/taskotron/taskotron-client/tasks/main.yml
@@ -1,25 +1,35 @@
 - name: ensure packages required for libtaskotron are installed
-  action: yum name={{ item }} state=latest
-  when: deployment_type == 'prod' or deployment_type == 'local'
+  yum: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
     - PyYAML
     - libtaskotron
     - resultsdb_api
+  when: deployment_type == 'prod' or deployment_type == 'local'
 
-- name: ensure packages required for libtaskotron are installed (infra-testing)
-  action: yum name={{ item }} state=latest enablerepo=infrastructure-testing
+- name: ensure packages required for libtaskotron are installed (f22+)
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   when: deployment_type == 'dev' or deployment_type == 'stg'
   with_items:
     - PyYAML
     - libtaskotron
     - resultsdb_api
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: ensure packages required for taskotron tasks are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
     - python-solv
     - python-librepo
     - rpmlint
+  when: ansible_distribution_major_version|int < 22
+
+- name: ensure packages required for taskotron tasks are installed (f22+)
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
+  with_items:
+    - python-solv
+    - python-librepo
+    - rpmlint
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: generate taskotron.yaml config file
   template: src=taskotron.yaml.j2 dest=/etc/taskotron/taskotron.yaml owner=root group=root mode=0644
@@ -31,9 +41,5 @@
 - name: set baseurl of yumrepoinfo.conf
   replace: dest=/etc/taskotron/yumrepoinfo.conf regexp='baseurl = http://download\.fedoraproject\.org/.*' replace='baseurl = http://infrastructure.fedoraproject.org/pub/fedora/linux'
 
-# disabled for now until interaction with hosts role is figured out
-#- name: update /etc/hosts so that koji downloads work
-#  template: src=hosts.j2 dest=/etc/hosts owner=root group=root mode=0644
-
 - name: create /var/log/taskotron for task logfiles
   file: path=/var/log/taskotron state=directory owner={{ slave_user }} group={{ slave_user }} mode=1755
diff --git a/roles/taskotron/taskotron-frontend/tasks/main.yml b/roles/taskotron/taskotron-frontend/tasks/main.yml
index 4138557b23..3275a9239a 100644
--- a/roles/taskotron/taskotron-frontend/tasks/main.yml
+++ b/roles/taskotron/taskotron-frontend/tasks/main.yml
@@ -1,7 +1,14 @@
 - name: ensure packages required for taskotron-frontend are installed
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
     - httpd
+  when: ansible_distribution_major_version|int < 22
+
+- name: ensure packages required for taskotron-frontend are installed (f22+)
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
+  with_items:
+    - httpd
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: create dirs for static files
   file: path=/var/www/html/{{ item }} state=directory owner=apache group=apache mode=1755
diff --git a/roles/taskotron/taskotron-proxy/tasks/main.yml b/roles/taskotron/taskotron-proxy/tasks/main.yml
index e8c691624a..bc0a34dd62 100644
--- a/roles/taskotron/taskotron-proxy/tasks/main.yml
+++ b/roles/taskotron/taskotron-proxy/tasks/main.yml
@@ -4,9 +4,16 @@
 # closer to stg/prod
 
 - name: ensure packages required for proxying are installedc
-  action: yum name={{ item }} state=latest
+  yum: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
     - libsemanage-python
+  when: ansible_distribution_major_version|int < 22
+
+- name: ensure packages required for proxying are installedc
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
+  with_items:
+    - libsemanage-python
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: allow httpd tcp connections with selinux
   seboolean: name=httpd_can_network_connect state=true persistent=yes
diff --git a/roles/taskotron/taskotron-trigger/tasks/main.yml b/roles/taskotron/taskotron-trigger/tasks/main.yml
index cfb2bdb131..09fe8ee50d 100644
--- a/roles/taskotron/taskotron-trigger/tasks/main.yml
+++ b/roles/taskotron/taskotron-trigger/tasks/main.yml
@@ -1,22 +1,22 @@
 - name: ensure packages required for taskotron-trigger are installed
-  action: yum name={{ item }} state=latest
-  when: deployment_type == 'prod' or deployment_type == 'local'
+  yum: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
     - fedmsg
     - fedmsg-hub
     - taskotron-trigger
     # needed for cron script
     - resultsdb_api
+  when: deployment_type == 'prod' or deployment_type == 'local'
 
 - name: ensure packages required for taskotron-trigger are installed (infra-testing)
-  action: yum name={{ item }} state=latest enablerepo=infrastructure-testing
-  when: deployment_type == 'dev' or deployment_type == 'stg'
+  dnf: name={{ item }} state=latest enablerepo={{ extra_enablerepos }}
   with_items:
     - fedmsg
     - fedmsg-hub
     - taskotron-trigger
     # needed for cron script
     - resultsdb_api
+  when: ansible_distribution_major_version|int > 21 and ansible_cmdline.ostree is not defined
 
 - name: generate trigger configuration
   template: src=trigger.cfg.j2 dest=/etc/taskotron/trigger.cfg owner=root group=root mode=0744