diff options
Diffstat (limited to 'roles/openshift_node')
-rw-r--r-- | roles/openshift_node/defaults/main.yml | 4 | ||||
-rw-r--r-- | roles/openshift_node/tasks/main.yml | 18 | ||||
-rw-r--r-- | roles/openshift_node/tasks/tuned.yml | 41 | ||||
-rw-r--r-- | roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf | 25 | ||||
-rw-r--r-- | roles/openshift_node/templates/tuned/openshift-node/tuned.conf | 10 | ||||
-rw-r--r-- | roles/openshift_node/templates/tuned/openshift/tuned.conf | 24 | ||||
-rw-r--r-- | roles/openshift_node/templates/tuned/recommend.conf | 8 |
7 files changed, 114 insertions, 16 deletions
diff --git a/roles/openshift_node/defaults/main.yml b/roles/openshift_node/defaults/main.yml index 973b3a619..c7867d225 100644 --- a/roles/openshift_node/defaults/main.yml +++ b/roles/openshift_node/defaults/main.yml @@ -1,6 +1,6 @@ --- -r_openshift_node_firewall_enabled: True -r_openshift_node_use_firewalld: False +r_openshift_node_firewall_enabled: "{{ os_firewall_enabled | default(True) }}" +r_openshift_node_use_firewalld: "{{ os_firewall_use_firewalld | default(False) }}" r_openshift_node_os_firewall_deny: [] r_openshift_node_os_firewall_allow: - service: Kubernetes kubelet diff --git a/roles/openshift_node/tasks/main.yml b/roles/openshift_node/tasks/main.yml index 3353a22e3..81456eac9 100644 --- a/roles/openshift_node/tasks/main.yml +++ b/roles/openshift_node/tasks/main.yml @@ -70,25 +70,15 @@ - 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 package: - name: "{{ openshift.common.service_type }}-node{{ openshift_pkg_version | default('') | oo_image_tag_to_rpm_version(include_dash=True) }},tuned-profiles-{{ openshift.common.service_type }}-node{{ openshift_pkg_version | default('') | oo_image_tag_to_rpm_version(include_dash=True) }}" + name: "{{ openshift.common.service_type }}-node{{ openshift_pkg_version | default('') | oo_image_tag_to_rpm_version(include_dash=True) }}" state: present when: not openshift.common.is_containerized | bool -- name: Check for tuned package - command: rpm -q tuned - args: - warn: no - register: tuned_installed - changed_when: false - failed_when: false - -- name: Set atomic-guest tuned profile - command: "tuned-adm profile atomic-guest" - when: tuned_installed.rc == 0 and openshift.common.is_atomic | bool +- name: setup tuned + include: tuned.yml + static: yes - name: Install sdn-ovs package package: diff --git a/roles/openshift_node/tasks/tuned.yml b/roles/openshift_node/tasks/tuned.yml new file mode 100644 index 000000000..425bf6a26 --- /dev/null +++ b/roles/openshift_node/tasks/tuned.yml @@ -0,0 +1,41 @@ +--- +- name: Check for tuned package + command: rpm -q tuned + args: + warn: no + register: tuned_installed + changed_when: false + failed_when: false + +- name: Tuned service setup + block: + - name: Set tuned OpenShift variables + set_fact: + openshift_tuned_guest_profile: "{{ 'atomic-guest' if openshift.common.is_atomic else 'virtual-guest' }}" + tuned_etc_directory: '/etc/tuned' + tuned_templates_source: '../templates/tuned' + + - name: Ensure directory structure exists + file: + state: directory + dest: '{{ tuned_etc_directory }}/{{ item.path }}' + with_filetree: '{{ tuned_templates_source }}' + when: item.state == 'directory' + + - name: Ensure files are populated from templates + template: + src: '{{ item.src }}' + dest: '{{ tuned_etc_directory }}/{{ item.path }}' + with_filetree: '{{ tuned_templates_source }}' + when: item.state == 'file' + + - name: Make tuned use the recommended tuned profile on restart + file: path=/etc/tuned/active_profile state=absent + + - name: Restart tuned service + systemd: + state: restarted + daemon_reload: yes + name: tuned + + when: tuned_installed.rc == 0 | bool diff --git a/roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf b/roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf new file mode 100644 index 000000000..f22f21065 --- /dev/null +++ b/roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf @@ -0,0 +1,25 @@ +# +# tuned configuration +# + +[main] +summary=Optimize systems running OpenShift control plane +include=openshift + +[sysctl] +# ktune sysctl settings, maximizing i/o throughput +# +# Minimal preemption granularity for CPU-bound tasks: +# (default: 1 msec# (1 + ilog(ncpus)), units: nanoseconds) +kernel.sched_min_granularity_ns=10000000 + +# The total time the scheduler will consider a migrated process +# "cache hot" and thus less likely to be re-migrated +# (system default is 500000, i.e. 0.5 ms) +kernel.sched_migration_cost_ns=5000000 + +# SCHED_OTHER wake-up granularity. +# +# Preemption granularity when tasks wake up. Lower the value to improve +# wake-up latency and throughput for latency critical tasks. +kernel.sched_wakeup_granularity_ns = 4000000 diff --git a/roles/openshift_node/templates/tuned/openshift-node/tuned.conf b/roles/openshift_node/templates/tuned/openshift-node/tuned.conf new file mode 100644 index 000000000..78c7d19c9 --- /dev/null +++ b/roles/openshift_node/templates/tuned/openshift-node/tuned.conf @@ -0,0 +1,10 @@ +# +# tuned configuration +# + +[main] +summary=Optimize systems running OpenShift nodes +include=openshift + +[sysctl] +net.ipv4.tcp_fastopen=3 diff --git a/roles/openshift_node/templates/tuned/openshift/tuned.conf b/roles/openshift_node/templates/tuned/openshift/tuned.conf new file mode 100644 index 000000000..68ac5dadb --- /dev/null +++ b/roles/openshift_node/templates/tuned/openshift/tuned.conf @@ -0,0 +1,24 @@ +# +# tuned configuration +# + +[main] +summary=Optimize systems running OpenShift (parent profile) +include=${f:virt_check:{{ openshift_tuned_guest_profile }}:throughput-performance} + +[selinux] +avc_cache_threshold=65536 + +[net] +nf_conntrack_hashsize=131072 + +[sysctl] +kernel.pid_max=131072 +net.netfilter.nf_conntrack_max=1048576 +fs.inotify.max_user_watches=65536 +net.ipv4.neigh.default.gc_thresh1=8192 +net.ipv4.neigh.default.gc_thresh2=32768 +net.ipv4.neigh.default.gc_thresh3=65536 +net.ipv6.neigh.default.gc_thresh1=8192 +net.ipv6.neigh.default.gc_thresh2=32768 +net.ipv6.neigh.default.gc_thresh3=65536 diff --git a/roles/openshift_node/templates/tuned/recommend.conf b/roles/openshift_node/templates/tuned/recommend.conf new file mode 100644 index 000000000..5fa765798 --- /dev/null +++ b/roles/openshift_node/templates/tuned/recommend.conf @@ -0,0 +1,8 @@ +[openshift-node] +/etc/origin/node/node-config.yaml=.*region=primary + +[openshift-control-plane,master] +/etc/origin/master/master-config.yaml=.* + +[openshift-control-plane,node] +/etc/origin/node/node-config.yaml=.*region=infra |