Fedora changes:

  - ansible bootstrap playbook for Fedora 23+
  - add conditionals to handle yum vs dnf
  - add Fedora OpenShift COPR
  - update BYO host README for repo configs and fedora bootstrap

Fix typo in etcd README, remove unnecessary parens in openshift_node main.yml

rebase on master, update package cache refresh handler for yum vs dnf

Fix typo in etcd README, remove unnecessary parens in openshift_node main.yml

31 files changed, 231 insertions, 16 deletions

diff --git a/roles/ansible/tasks/main.yml b/roles/ansible/tasks/main.yml
index 5d20a3b35..f79273824 100644
--- a/roles/ansible/tasks/main.yml
+++ b/roles/ansible/tasks/main.yml
@@ -5,6 +5,13 @@
   yum:
     pkg: ansible
     state: installed
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install Ansible
+  dnf:
+    pkg: ansible
+    state: installed
+  when: ansible_pkg_mgr == "dnf"
 
 - include: config.yml
   vars:
diff --git a/roles/cockpit/tasks/main.yml b/roles/cockpit/tasks/main.yml
index 875cbad21..8410e7c90 100644
--- a/roles/cockpit/tasks/main.yml
+++ b/roles/cockpit/tasks/main.yml
@@ -8,6 +8,18 @@
     - cockpit-shell
     - cockpit-bridge
     - "{{ cockpit_plugins }}"
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install cockpit-ws
+  dnf:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - cockpit-ws
+    - cockpit-shell
+    - cockpit-bridge
+    - "{{ cockpit_plugins }}"
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Enable cockpit-ws
   service:
diff --git a/roles/copr_cli/tasks/main.yml b/roles/copr_cli/tasks/main.yml
index f7ef1c26e..f8496199d 100644
--- a/roles/copr_cli/tasks/main.yml
+++ b/roles/copr_cli/tasks/main.yml
@@ -2,3 +2,9 @@
 - yum:
     name: copr-cli
     state: present
+  when: ansible_pkg_mgr == "yum"
+
+- dnf:
+    name: copr-cli
+    state: present
+  when: ansible_pkg_mgr == "dnf"
diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml
index 96949230d..dd4401389 100644
--- a/roles/docker/tasks/main.yml
+++ b/roles/docker/tasks/main.yml
@@ -2,6 +2,11 @@
 # tasks file for docker
 - name: Install docker
   yum: pkg=docker
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install docker
+  dnf: pkg=docker
+  when: ansible_pkg_mgr == "dnf"
 
 - name: enable and start the docker service
   service: name=docker enabled=yes state=started
diff --git a/roles/etcd/README.md b/roles/etcd/README.md
index 88e4ff874..329a926c0 100644
--- a/roles/etcd/README.md
+++ b/roles/etcd/README.md
@@ -7,7 +7,7 @@ Requirements
 ------------
 
 This role assumes it's being deployed on a RHEL/Fedora based host with package
-named 'etcd' available via yum.
+named 'etcd' available via yum or dnf (conditionally).
 
 Role Variables
 --------------
diff --git a/roles/etcd/tasks/main.yml b/roles/etcd/tasks/main.yml
index fcbdecd37..efaab5f31 100644
--- a/roles/etcd/tasks/main.yml
+++ b/roles/etcd/tasks/main.yml
@@ -9,6 +9,11 @@
 
 - name: Install etcd
   yum: pkg=etcd-2.* state=present
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install etcd
+  dnf: pkg=etcd* state=present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Validate permissions on the config dir
   file:
diff --git a/roles/flannel/README.md b/roles/flannel/README.md
index b8aa830ac..8f271aada 100644
--- a/roles/flannel/README.md
+++ b/roles/flannel/README.md
@@ -7,7 +7,8 @@ Requirements
 ------------
 
 This role assumes it's being deployed on a RHEL/Fedora based host with package
-named 'flannel' available via yum, in version superior to 0.3.
+named 'flannel' available via yum or dnf (conditionally), in version superior
+to 0.3.
 
 Role Variables
 --------------
diff --git a/roles/flannel/tasks/main.yml b/roles/flannel/tasks/main.yml
index acfb009ec..86e1bc96e 100644
--- a/roles/flannel/tasks/main.yml
+++ b/roles/flannel/tasks/main.yml
@@ -2,6 +2,12 @@
 - name: Install flannel
   sudo: true
   yum: pkg=flannel state=present
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install flannel
+  sudo: true
+  dnf: pkg=flannel state=present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Set flannel etcd url
   sudo: true
diff --git a/roles/fluentd_master/tasks/main.yml b/roles/fluentd_master/tasks/main.yml
index 55cd94460..43c499b4d 100644
--- a/roles/fluentd_master/tasks/main.yml
+++ b/roles/fluentd_master/tasks/main.yml
@@ -4,6 +4,13 @@
   yum:
     name: 'http://packages.treasuredata.com/2/redhat/7/x86_64/td-agent-2.2.0-0.x86_64.rpm'
     state: present
+  when: ansible_pkg_mgr == "yum"
+
+- name: download and install td-agent
+  dnf:
+    name: 'http://packages.treasuredata.com/2/redhat/7/x86_64/td-agent-2.2.0-0.x86_64.rpm'
+    state: present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Verify fluentd plugin installed
   command: '/opt/td-agent/embedded/bin/gem query -i fluent-plugin-kubernetes'
diff --git a/roles/fluentd_node/tasks/main.yml b/roles/fluentd_node/tasks/main.yml
index f9ef30b83..827a1c075 100644
--- a/roles/fluentd_node/tasks/main.yml
+++ b/roles/fluentd_node/tasks/main.yml
@@ -4,6 +4,13 @@
   yum:
     name: 'http://packages.treasuredata.com/2/redhat/7/x86_64/td-agent-2.2.0-0.x86_64.rpm'
     state: present
+  when: ansible_pkg_mgr == "yum"
+
+- name: download and install td-agent
+  dnf:
+    name: 'http://packages.treasuredata.com/2/redhat/7/x86_64/td-agent-2.2.0-0.x86_64.rpm'
+    state: present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Verify fluentd plugin installed
   command: '/opt/td-agent/embedded/bin/gem query -i fluent-plugin-kubernetes'
diff --git a/roles/haproxy/tasks/main.yml b/roles/haproxy/tasks/main.yml
index 5638b7313..5d015fadd 100644
--- a/roles/haproxy/tasks/main.yml
+++ b/roles/haproxy/tasks/main.yml
@@ -3,6 +3,13 @@
   yum:
     pkg: haproxy
     state: present
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install haproxy
+  dnf:
+    pkg: haproxy
+    state: present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Configure haproxy
   template:
diff --git a/roles/kube_nfs_volumes/tasks/main.yml b/roles/kube_nfs_volumes/tasks/main.yml
index d1dcf261a..3fcb9fd18 100644
--- a/roles/kube_nfs_volumes/tasks/main.yml
+++ b/roles/kube_nfs_volumes/tasks/main.yml
@@ -1,6 +1,11 @@
 ---
 - name: Install pyparted (RedHat/Fedora)
   yum: name=pyparted,python-httplib2 state=present
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install pyparted (RedHat/Fedora)
+  dnf: name=pyparted,python-httplib2 state=present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: partition the drives
   partitionpool: disks={{ disks }} force={{ force }} sizes={{ sizes }}
diff --git a/roles/kube_nfs_volumes/tasks/nfs.yml b/roles/kube_nfs_volumes/tasks/nfs.yml
index 559fcf17c..a58a7b824 100644
--- a/roles/kube_nfs_volumes/tasks/nfs.yml
+++ b/roles/kube_nfs_volumes/tasks/nfs.yml
@@ -1,6 +1,11 @@
 ---
 - name: Install NFS server on Fedora/Red Hat
   yum: name=nfs-utils state=present
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install NFS server on Fedora/Red Hat
+  dnf: name=nfs-utils state=present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Start rpcbind on Fedora/Red Hat
   service: name=rpcbind state=started enabled=yes
diff --git a/roles/openshift_ansible_inventory/tasks/main.yml b/roles/openshift_ansible_inventory/tasks/main.yml
index f6919dada..2b99f8bcd 100644
--- a/roles/openshift_ansible_inventory/tasks/main.yml
+++ b/roles/openshift_ansible_inventory/tasks/main.yml
@@ -2,6 +2,16 @@
 - yum:
     name: "{{ item }}"
     state: present
+  when: ansible_pkg_mgr == "yum"
+  with_items:
+  - openshift-ansible-inventory
+  - openshift-ansible-inventory-aws
+  - openshift-ansible-inventory-gce
+
+- dnf:
+    name: "{{ item }}"
+    state: present
+  when: ansible_pkg_mgr == "dnf"
   with_items:
   - openshift-ansible-inventory
   - openshift-ansible-inventory-aws
diff --git a/roles/openshift_expand_partition/README.md b/roles/openshift_expand_partition/README.md
index cd394e1ba..aed4ec871 100644
--- a/roles/openshift_expand_partition/README.md
+++ b/roles/openshift_expand_partition/README.md
@@ -8,7 +8,7 @@ partition, and then expanding the file system on the partition.
 
 * A machine with a disk that is not fully utilized
 
-* cloud-utils-growpart rpm (either installed or avialable via yum)
+* cloud-utils-growpart rpm (either installed or avialable via yum or dnf)
 
 * The partition you are expanding needs to be at the end of the partition list
 
diff --git a/roles/openshift_expand_partition/tasks/main.yml b/roles/openshift_expand_partition/tasks/main.yml
index 8bc399070..42e7903fd 100644
--- a/roles/openshift_expand_partition/tasks/main.yml
+++ b/roles/openshift_expand_partition/tasks/main.yml
@@ -1,6 +1,11 @@
 ---
 - name: Ensure growpart is installed
   yum: pkg=cloud-utils-growpart state=present
+  when: ansible_pkg_mgr == "yum"
+
+- name: Ensure growpart is installed
+  dnf: pkg=cloud-utils-growpart state=present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Grow the partitions
   command: "growpart {{oep_drive}} {{oep_partition}}"
diff --git a/roles/openshift_facts/tasks/main.yml b/roles/openshift_facts/tasks/main.yml
index 913f0dc78..2e889d7d5 100644
--- a/roles/openshift_facts/tasks/main.yml
+++ b/roles/openshift_facts/tasks/main.yml
@@ -8,6 +8,13 @@
 
 - name: Ensure PyYaml is installed
   yum: pkg={{ item }} state=installed
+  when: ansible_pkg_mgr == "yum"
+  with_items:
+    - PyYAML
+
+- name: Ensure PyYaml is installed
+  dnf: pkg={{ item }} state=installed
+  when: ansible_pkg_mgr == "dnf"
   with_items:
     - PyYAML
 
diff --git a/roles/openshift_master/tasks/main.yml b/roles/openshift_master/tasks/main.yml
index 2cf2a53c4..9d7880041 100644
--- a/roles/openshift_master/tasks/main.yml
+++ b/roles/openshift_master/tasks/main.yml
@@ -79,6 +79,12 @@
 
 - name: Install Master package
   yum: pkg={{ openshift.common.service_type }}-master{{ openshift_version  }} state=present
+  when: ansible_pkg_mgr == "yum"
+  register: install_result
+
+- name: Install Master package
+  dnf: pkg={{ openshift.common.service_type }}-master{{ openshift_version  }} state=present
+  when: ansible_pkg_mgr == "dnf"
   register: install_result
 
 # TODO: These values need to be configurable
@@ -118,7 +124,12 @@
 
 - name: Install httpd-tools if needed
   yum: pkg=httpd-tools state=present
-  when: item.kind == 'HTPasswdPasswordIdentityProvider'
+  when: (ansible_pkg_mgr == "yum") and (item.kind == 'HTPasswdPasswordIdentityProvider')
+  with_items: openshift.master.identity_providers
+
+- name: Install httpd-tools if needed
+  dnf: pkg=httpd-tools state=present
+  when: (ansible_pkg_mgr == "dnf") and (item.kind == 'HTPasswdPasswordIdentityProvider')
   with_items: openshift.master.identity_providers
 
 - name: Ensure htpasswd directory exists
@@ -263,7 +274,12 @@
 
 - name: Install cluster packages
   yum: pkg=pcs state=present
-  when: openshift_master_ha | bool and openshift.master.cluster_method == 'pacemaker'
+  when: (ansible_pkg_mgr == "yum") and openshift_master_ha | bool and openshift.master.cluster_method == 'pacemaker'
+  register: install_result
+
+- name: Install cluster packages
+  dnf: pkg=pcs state=present
+  when: (ansible_pkg_mgr == "dnf") and openshift_master_ha | bool and openshift.master.cluster_method == 'pacemaker'
   register: install_result
 
 - name: Start and enable cluster service
diff --git a/roles/openshift_master_ca/tasks/main.yml b/roles/openshift_master_ca/tasks/main.yml
index 314f068e7..caac13be3 100644
--- a/roles/openshift_master_ca/tasks/main.yml
+++ b/roles/openshift_master_ca/tasks/main.yml
@@ -1,6 +1,12 @@
 ---
 - name: Install the base package for admin tooling
   yum: pkg={{ openshift.common.service_type }}{{ openshift_version  }} state=present
+  when: ansible_pkg_mgr == "yum"
+  register: install_result
+
+- name: Install the base package for admin tooling
+  dnf: pkg={{ openshift.common.service_type }}{{ openshift_version  }} state=present
+  when: ansible_pkg_mgr == "dnf"
   register: install_result
 
 - name: Reload generated facts
diff --git a/roles/openshift_node/tasks/main.yml b/roles/openshift_node/tasks/main.yml
index 42d984a09..36bcc1a90 100644
--- a/roles/openshift_node/tasks/main.yml
+++ b/roles/openshift_node/tasks/main.yml
@@ -40,12 +40,23 @@
 # problems because the rpms don't pin the version properly.
 - name: Install Node package
   yum: pkg={{ openshift.common.service_type }}-node{{ openshift_version  }},tuned-profiles-{{ openshift.common.service_type }}-node{{ openshift_version  }} state=present
+  when: ansible_pkg_mgr == "yum"
+  register: node_install_result
+
+- name: Install Node package
+  dnf: pkg={{ openshift.common.service_type }}-node{{ openshift_version  }},tuned-profiles-{{ openshift.common.service_type }}-node{{ openshift_version  }} state=present
+  when: ansible_pkg_mgr == "dnf"
   register: node_install_result
 
 - name: Install sdn-ovs package
   yum: pkg={{ openshift.common.service_type }}-sdn-ovs{{ openshift_version }} state=present
   register: sdn_install_result
-  when: openshift.common.use_openshift_sdn
+  when: ansible_pkg_mgr == "yum" and openshift.common.use_openshift_sdn
+
+- name: Install sdn-ovs package
+  dnf: pkg={{ openshift.common.service_type }}-sdn-ovs{{ openshift_version }} state=present
+  register: sdn_install_result
+  when: ansible_pkg_mgr == "dnf" and openshift.common.use_openshift_sdn
 
 # TODO: add the validate parameter when there is a validation command to run
 - name: Create the Node config
diff --git a/roles/openshift_node/tasks/storage_plugins/ceph.yml b/roles/openshift_node/tasks/storage_plugins/ceph.yml
index b6936618a..b5146dcac 100644
--- a/roles/openshift_node/tasks/storage_plugins/ceph.yml
+++ b/roles/openshift_node/tasks/storage_plugins/ceph.yml
@@ -3,3 +3,10 @@
   yum:
     pkg: ceph-common
     state: installed
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install Ceph storage plugin dependencies
+  dnf:
+    pkg: ceph-common
+    state: installed
+  when: ansible_pkg_mgr == "dnf"
diff --git a/roles/openshift_node/tasks/storage_plugins/glusterfs.yml b/roles/openshift_node/tasks/storage_plugins/glusterfs.yml
index decf4f49d..a357023e1 100644
--- a/roles/openshift_node/tasks/storage_plugins/glusterfs.yml
+++ b/roles/openshift_node/tasks/storage_plugins/glusterfs.yml
@@ -3,6 +3,13 @@
   yum:
     pkg: glusterfs-fuse
     state: installed
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install GlusterFS storage plugin dependencies
+  dnf:
+    pkg: glusterfs-fuse
+    state: installed
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Set sebooleans to allow gluster storage plugin access from containers
   seboolean:
diff --git a/roles/openshift_repos/files/fedora-origin/repos/maxamillion-fedora-openshift-fedora.repo b/roles/openshift_repos/files/fedora-origin/repos/maxamillion-fedora-openshift-fedora.repo
new file mode 100644
index 000000000..bc0435d82
--- /dev/null
+++ b/roles/openshift_repos/files/fedora-origin/repos/maxamillion-fedora-openshift-fedora.repo
@@ -0,0 +1,8 @@
+[maxamillion-fedora-openshift]
+name=Copr repo for fedora-openshift owned by maxamillion
+baseurl=https://copr-be.cloud.fedoraproject.org/results/maxamillion/fedora-openshift/fedora-$releasever-$basearch/
+skip_if_unavailable=True
+gpgcheck=1
+gpgkey=https://copr-be.cloud.fedoraproject.org/results/maxamillion/fedora-openshift/pubkey.gpg
+enabled=1
+enabled_metadata=1
\ No newline at end of file
diff --git a/roles/openshift_repos/handlers/main.yml b/roles/openshift_repos/handlers/main.yml
index 26558a455..fed4ab2f0 100644
--- a/roles/openshift_repos/handlers/main.yml
+++ b/roles/openshift_repos/handlers/main.yml
@@ -1,3 +1,6 @@
 ---
-- name: refresh package cache
+- name: refresh yum cache
   command: yum clean all
+
+- name: refresh dnf cache
+  command: dnf clean all
diff --git a/roles/openshift_repos/tasks/main.yaml b/roles/openshift_repos/tasks/main.yaml
index 66be0cb7b..c55b5df89 100644
--- a/roles/openshift_repos/tasks/main.yaml
+++ b/roles/openshift_repos/tasks/main.yaml
@@ -14,38 +14,64 @@
   yum:
     pkg: libselinux-python
     state: present
+  when: ansible_pkg_mgr == "yum"
+
+- name: Ensure libselinux-python is installed
+  dnf:
+    pkg: libselinux-python
+    state: present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Create any additional repos that are defined
   template:
     src: yum_repo.j2
     dest: /etc/yum.repos.d/openshift_additional.repo
   when: openshift_additional_repos | length > 0
-  notify: refresh package cache
+  notify: refresh yum cache
 
 - name: Remove the additional repos if no longer defined
   file:
     dest: /etc/yum.repos.d/openshift_additional.repo
     state: absent
   when: openshift_additional_repos | length == 0
-  notify: refresh package cache
+  notify: refresh yum cache
 
-- name: Remove any yum repo files for other deployment types
+- name: Remove any yum repo files for other deployment types RHEL/CentOS
   file:
     path: "/etc/yum.repos.d/{{ item | basename }}"
     state: absent
   with_fileglob:
   - '*/repos/*'
-  when: not (item | search("/files/" ~ openshift_deployment_type ~ "/repos"))
-  notify: refresh package cache
+  when: not (item | search("/files/" ~ openshift_deployment_type ~ "/repos")) and
+        (ansible_os_family == "RedHat" and ansible_distribution != "Fedora")
+  notify: refresh yum cache
+
+- name: Remove any yum repo files for other deployment types Fedora
+  file:
+    path: "/etc/yum.repos.d/{{ item | basename }}"
+    state: absent
+  with_fileglob:
+  - '*/repos/*'
+  when: not (item | search("/files/fedora-" ~ openshift_deployment_type ~ "/repos")) and
+        (ansible_distribution == "Fedora")
+  notify: refresh dnf cache
 
 - name: Configure gpg keys if needed
   copy: src={{ item }} dest=/etc/pki/rpm-gpg/
   with_fileglob:
   - "{{ openshift_deployment_type }}/gpg_keys/*"
-  notify: refresh package cache
+  notify: refresh yum cache
 
-- name: Configure yum repositories
+- name: Configure yum repositories RHEL/CentOS
   copy: src={{ item }} dest=/etc/yum.repos.d/
   with_fileglob:
   - "{{ openshift_deployment_type }}/repos/*"
-  notify: refresh package cache
+  notify: refresh yum cache
+  when: (ansible_os_family == "RedHat" and ansible_distribution != "Fedora")
+
+- name: Configure yum repositories Fedora
+  copy: src={{ item }} dest=/etc/yum.repos.d/
+  with_fileglob:
+  - "fedora-{{ openshift_deployment_type }}/repos/*"
+  notify: refresh dnf cache
+  when: (ansible_distribution == "Fedora")
diff --git a/roles/openshift_storage_nfs_lvm/tasks/nfs.yml b/roles/openshift_storage_nfs_lvm/tasks/nfs.yml
index 65ae069df..bf23dfe98 100644
--- a/roles/openshift_storage_nfs_lvm/tasks/nfs.yml
+++ b/roles/openshift_storage_nfs_lvm/tasks/nfs.yml
@@ -1,6 +1,11 @@
 ---
 - name: Install NFS server
   yum: name=nfs-utils state=present
+  when: ansible_pkg_mgr == "yum"
+
+- name: Install NFS server
+  dnf: name=nfs-utils state=present
+  when: ansible_pkg_mgr == "dnf"
 
 - name: Start rpcbind
   service: name=rpcbind state=started enabled=yes
diff --git a/roles/os_env_extras/tasks/main.yaml b/roles/os_env_extras/tasks/main.yaml
index 96b12ad5b..29599559c 100644
--- a/roles/os_env_extras/tasks/main.yaml
+++ b/roles/os_env_extras/tasks/main.yaml
@@ -15,3 +15,10 @@
   yum:
     pkg: bash-completion
     state: installed
+  when: ansible_pkg_mgr == "yum"
+
+- name: Bash Completion
+  dnf:
+    pkg: bash-completion
+    state: installed
+  when: ansible_pkg_mgr == "dnf"
diff --git a/roles/os_firewall/tasks/firewall/firewalld.yml b/roles/os_firewall/tasks/firewall/firewalld.yml
index 5089eb3e0..cf2a2c733 100644
--- a/roles/os_firewall/tasks/firewall/firewalld.yml
+++ b/roles/os_firewall/tasks/firewall/firewalld.yml
@@ -3,6 +3,14 @@
   yum:
     name: firewalld
     state: present
+  when: ansible_pkg_mgr == "yum"
+  register: install_result
+
+- name: Install firewalld packages
+  dnf:
+    name: firewalld
+    state: present
+  when: ansible_pkg_mgr == "dnf"
   register: install_result
 
 - name: Check if iptables-services is installed
diff --git a/roles/os_firewall/tasks/firewall/iptables.yml b/roles/os_firewall/tasks/firewall/iptables.yml
index 9af9d8d29..36d51504c 100644
--- a/roles/os_firewall/tasks/firewall/iptables.yml
+++ b/roles/os_firewall/tasks/firewall/iptables.yml
@@ -6,6 +6,17 @@
   with_items:
   - iptables
   - iptables-services
+  when: ansible_pkg_mgr == "yum"
+  register: install_result
+
+- name: Install iptables packages
+  dnf:
+    name: "{{ item }}"
+    state: present
+  with_items:
+  - iptables
+  - iptables-services
+  when: ansible_pkg_mgr == "dnf"
   register: install_result
 
 - name: Check if firewalld is installed
diff --git a/roles/os_update_latest/tasks/main.yml b/roles/os_update_latest/tasks/main.yml
index 4a2c3d47a..40eec8d35 100644
--- a/roles/os_update_latest/tasks/main.yml
+++ b/roles/os_update_latest/tasks/main.yml
@@ -1,3 +1,8 @@
 ---
 - name: Update all packages
   yum: name=* state=latest
+  when: ansible_pkg_mgr == "yum"
+
+- name: Update all packages
+  dnf: name=* state=latest
+  when: ansible_pkg_mgr == "dnf"
diff --git a/roles/yum_repos/README.md b/roles/yum_repos/README.md
index 51ecd5d34..908ab4972 100644
--- a/roles/yum_repos/README.md
+++ b/roles/yum_repos/README.md
@@ -6,7 +6,7 @@ This role allows easy deployment of yum repository config files.
 Requirements
 ------------
 
-Yum
+Yum or dnf
 
 Role Variables
 --------------