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authorSaravanan KR <skramaja@redhat.com>2017-07-14 09:41:28 +0530
committerSaravanan KR <skramaja@redhat.com>2017-07-31 09:30:30 +0530
commitc3f9eaf0e47bb1907f0c310de9626b05ddf0b86c (patch)
tree40b73dcb18832aea6c449756630d7de115b87c11
parent599c6740eb4c81a5fcd2e99d37b831efc6d3ad7e (diff)
Enable Dpdk after rebooting with Hugepages for OvS2.7
With OvS2.7, DPDK is initialized immediately after setting dpdk-init flag. DPDK requires hugepages configuration to be available on kernel args with a reboot. This patch reboots the node after applying the kernel args. And once the node is rebooted, DPDK will be enabled and then the deployment continues. Change-Id: Ide442e09c2bea56a38399247de588e63b4272326
-rw-r--r--extraconfig/pre_network/host_config_and_reboot.yaml88
-rw-r--r--releasenotes/notes/ovs-2-7-support-for-dpdk-fe665cf9c6b0a750.yaml5
2 files changed, 58 insertions, 35 deletions
diff --git a/extraconfig/pre_network/host_config_and_reboot.yaml b/extraconfig/pre_network/host_config_and_reboot.yaml
index 2f5fcdf7..5c7cc273 100644
--- a/extraconfig/pre_network/host_config_and_reboot.yaml
+++ b/extraconfig/pre_network/host_config_and_reboot.yaml
@@ -55,6 +55,21 @@ parameters:
- allowed_pattern: "[0-9,-]*"
type: string
default: ""
+ deployment_actions:
+ default: ['CREATE', 'UPDATE']
+ type: comma_delimited_list
+ description: >
+ List of stack actions that will trigger any deployments in this
+ templates. The actions will be an empty list of the server is in the
+ toplevel DeploymentServerBlacklist parameter's value.
+ EnableDpdkDeploymentActions:
+ default: ['CREATE']
+ type: comma_delimited_list
+ description: >
+ Exposing the DPDK deployment action, it may be required to run DPDK
+ config during an upgrade. By default DPDK will be enabled during the
+ CREATE action only. But on cases when it requires for certain migration,
+ it may be required to run it for UPDATE action too.
# DEPRECATED: the following options are deprecated and are currently maintained
# for backwards compatibility. They will be removed in the Queens cycle.
HostCpusList:
@@ -79,13 +94,6 @@ parameters:
default: ''
description: Memory allocated for each socket
type: string
- deployment_actions:
- default: ['CREATE', 'UPDATE']
- type: comma_delimited_list
- description: >
- List of stack actions that will trigger any deployments in this
- templates. The actions will be an empty list of the server is in the
- toplevel DeploymentServerBlacklist parameter's value.
conditions:
is_host_config_required: {not: {equals: [{get_param: [RoleParameters, KernelArgs]}, ""]}}
@@ -159,6 +167,40 @@ resources:
_TUNED_PROFILE_NAME_: {get_param: [RoleParameters, TunedProfileName]}
_TUNED_CORES_: {get_param: [RoleParameters, IsolCpusList]}
+ RebootConfig:
+ type: OS::Heat::SoftwareConfig
+ condition: is_reboot_config_required
+ properties:
+ group: script
+ config: |
+ #!/bin/bash
+ # Stop os-collect-config to avoid any race collecting another
+ # deployment before reboot happens
+ systemctl stop os-collect-config.service
+ /sbin/reboot
+
+ RebootDeployment:
+ type: OS::Heat::SoftwareDeployment
+ depends_on: HostParametersDeployment
+ condition: is_reboot_config_required
+ properties:
+ name: RebootDeployment
+ server: {get_param: server}
+ config: {get_resource: RebootConfig}
+ actions:
+ if:
+ - deployment_actions_empty
+ - []
+ - ['CREATE'] # Only do this on CREATE
+ signal_transport: NO_SIGNAL
+
+ # With OvS2.7 (which is default with pike), ovs-vswitchd will start dpdk
+ # immediately after setting dpdk-init (behaviour change from ovs2.6).
+ # Starting of DPDK require the huge page configuration to be enabled. So
+ # reboot will happen before DPDK config and we don't need an explicity
+ # restart after dpdk-init as true because of the behavior change.
+ # TODO(skramaja): Dependency is that till the service file workaround, is
+ # maintained, restart of ovs is required.
EnableDpdkConfig:
type: OS::Heat::SoftwareConfig
condition: is_dpdk_config_required
@@ -194,6 +236,8 @@ resources:
sed -i 's/start_daemon \"\$OVS_VSWITCHD_PRIORITY\"/umask 0002 \&\& start_daemon \"$OVS_VSWITCHD_PRIORITY\"/' $ovs_ctl_path
fi
+ systemctl daemon-reload
+ systemctl restart openvswitch
# DO NOT use --detailed-exitcodes
puppet apply --logdest console \
@@ -215,6 +259,7 @@ resources:
EnableDpdkDeployment:
type: OS::Heat::SoftwareDeployment
condition: is_dpdk_config_required
+ depends_on: RebootDeployment
properties:
name: EnableDpdkDeployment
server: {get_param: server}
@@ -223,34 +268,7 @@ resources:
if:
- deployment_actions_empty
- []
- - ['CREATE'] # Only do this on CREATE
-
- RebootConfig:
- type: OS::Heat::SoftwareConfig
- condition: is_reboot_config_required
- properties:
- group: script
- config: |
- #!/bin/bash
- # Stop os-collect-config to avoid any race collecting another
- # deployment before reboot happens
- systemctl stop os-collect-config.service
- /sbin/reboot
-
- RebootDeployment:
- type: OS::Heat::SoftwareDeployment
- depends_on: HostParametersDeployment
- condition: is_reboot_config_required
- properties:
- name: RebootDeployment
- server: {get_param: server}
- config: {get_resource: RebootConfig}
- actions:
- if:
- - deployment_actions_empty
- - []
- - ['CREATE'] # Only do this on CREATE
- signal_transport: NO_SIGNAL
+ - {get_param: EnableDpdkDeploymentActions}
outputs:
result:
diff --git a/releasenotes/notes/ovs-2-7-support-for-dpdk-fe665cf9c6b0a750.yaml b/releasenotes/notes/ovs-2-7-support-for-dpdk-fe665cf9c6b0a750.yaml
new file mode 100644
index 00000000..23f482a1
--- /dev/null
+++ b/releasenotes/notes/ovs-2-7-support-for-dpdk-fe665cf9c6b0a750.yaml
@@ -0,0 +1,5 @@
+---
+features:
+ - Added support for DPDK with OvS2.7, which requires huge page
+ configuration (with reboot) to be available before enabling DPDK.
+