diff options
Diffstat (limited to 'roles/openshift_node/tasks/main.yml')
| -rw-r--r-- | roles/openshift_node/tasks/main.yml | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/roles/openshift_node/tasks/main.yml b/roles/openshift_node/tasks/main.yml index 626248306..573051504 100644 --- a/roles/openshift_node/tasks/main.yml +++ b/roles/openshift_node/tasks/main.yml @@ -22,7 +22,7 @@ iptables_sync_period: "{{ openshift_node_iptables_sync_period | default(None) }}" kubelet_args: "{{ openshift_node_kubelet_args | default(None) }}" labels: "{{ lookup('oo_option', 'openshift_node_labels') | default( openshift_node_labels | default(none), true) }}" - registry_url: "{{ oreg_url | default(none) }}" + registry_url: "{{ oreg_url_node | default(oreg_url) | default(None) }}" schedulable: "{{ openshift_schedulable | default(openshift_scheduleable) | default(None) }}" sdn_mtu: "{{ openshift_node_sdn_mtu | default(None) }}" storage_plugin_deps: "{{ osn_storage_plugin_deps | default(None) }}" @@ -34,6 +34,38 @@ dns_ip: "{{ openshift_dns_ip | default(none) | get_dns_ip(hostvars[inventory_hostname])}}" env_vars: "{{ openshift_node_env_vars | default(None) }}" +# https://docs.openshift.com/container-platform/3.4/admin_guide/overcommit.html#disabling-swap-memory +- name: Check for swap usage + command: grep "^[^#].*swap" /etc/fstab + # grep: match any lines which don't begin with '#' and contain 'swap' + changed_when: false + failed_when: false + register: swap_result + +# Disable Swap Block +- block: + + - name: Disable swap + command: swapoff --all + + - name: Remove swap entries from /etc/fstab + replace: + dest: /etc/fstab + regexp: '(^[^#].*swap.*)' + replace: '# \1' + backup: yes + + - name: Add notice about disabling swap + lineinfile: + dest: /etc/fstab + line: '# OpenShift-Ansible Installer disabled swap per overcommit guidelines' + state: present + + when: + - swap_result.stdout_lines | length > 0 + - openshift_disable_swap | default(true) | bool +# End Disable Swap Block + # We have to add tuned-profiles in the same transaction otherwise we run into depsolving # problems because the rpms don't pin the version properly. This was fixed in 3.1 packaging. - name: Install Node package @@ -72,8 +104,14 @@ # The atomic-openshift-node service will set this parameter on # startup, but if the network service is restarted this setting is # lost. Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1372388 +# +# Use lineinfile w/ a handler for this task until +# https://github.com/ansible/ansible/pull/24277 is included in an +# ansible release and we can use the sysctl module. - name: Persist net.ipv4.ip_forward sysctl entry - sysctl: name="net.ipv4.ip_forward" value=1 sysctl_set=yes state=present reload=yes + lineinfile: dest=/etc/sysctl.conf regexp='^net.ipv4.ip_forward' line='net.ipv4.ip_forward=1' + notify: + - reload sysctl.conf - name: Start and enable openvswitch service systemd: @@ -115,7 +153,7 @@ - regex: '^AWS_SECRET_ACCESS_KEY=' line: "AWS_SECRET_ACCESS_KEY={{ openshift_cloudprovider_aws_secret_key | default('') }}" no_log: True - when: "openshift_cloudprovider_kind is defined and openshift_cloudprovider_kind == 'aws' and openshift_cloudprovider_aws_access_key is defined and openshift_cloudprovider_aws_secret_key is defined" + when: openshift_cloudprovider_kind is defined and openshift_cloudprovider_kind == 'aws' and openshift_cloudprovider_aws_access_key is defined and openshift_cloudprovider_aws_secret_key is defined notify: - restart node @@ -168,6 +206,7 @@ - name: Start and enable node dep systemd: + daemon_reload: yes name: "{{ openshift.common.service_type }}-node-dep" enabled: yes state: started |