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-rw-r--r--roles/openshift_node/defaults/main.yml4
-rw-r--r--roles/openshift_node/tasks/main.yml18
-rw-r--r--roles/openshift_node/tasks/tuned.yml41
-rw-r--r--roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf25
-rw-r--r--roles/openshift_node/templates/tuned/openshift-node/tuned.conf10
-rw-r--r--roles/openshift_node/templates/tuned/openshift/tuned.conf24
-rw-r--r--roles/openshift_node/templates/tuned/recommend.conf8
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