Enable DPDK on boot using PreNetworkConfig

DPDK has to be enabled on openvswitch on the boot before
configuring the network as when the network uses DPDK ports
OvS should be ready to handle DPDK. Enabled DPDK via
PreNetworkConfig by checking if ServiceNames contains
DPDK service.
Implements: blueprint ovs-2-6-dpdk
Closes-Bug: #1654975

Depends-On: I83a540336c01a696780621fb2b39486a6abf0917
Change-Id: I7af4534d91e67c94ba559b78b9ac6a001e639db3

1 files changed, 95 insertions, 2 deletions

diff --git a/extraconfig/pre_network/host_config_and_reboot.yaml b/extraconfig/pre_network/host_config_and_reboot.yaml
index 74e716ad..e4898a6e 100644
--- a/extraconfig/pre_network/host_config_and_reboot.yaml
+++ b/extraconfig/pre_network/host_config_and_reboot.yaml
@@ -11,11 +11,68 @@ parameters:
     type: json
     description: Role Specific parameters
     default: {}
+  ServiceNames:
+    type: comma_delimited_list
+    default: []
+  HostCpusList:
+    default: "0"
+    description: List of cores to be used for host process
+    type: string
+    constraints:
+      - allowed_pattern: "[0-9,-]+"
+  NeutronDpdkCoreList:
+    default: ""
+    description: List of cores to be used for DPDK Poll Mode Driver
+    type: string
+    constraints:
+      - allowed_pattern: "[0-9,-]*"
+  NeutronDpdkMemoryChannels:
+    default: ""
+    description: Number of memory channels to be used for DPDK
+    type: string
+    constraints:
+      - allowed_pattern: "[0-9]*"
+  NeutronDpdkSocketMemory:
+    default: ""
+    description: Memory allocated for each socket
+    type: string
+  NeutronDpdkDriverType:
+    default: "vfio-pci"
+    description: DPDK Driver type
+    type: string
 
 conditions:
   is_host_config_required: {not: {equals: [{get_param: [RoleParameters, KernelArgs]}, ""]}}
+  # YAQL is enabled in conditions with https://review.openstack.org/#/c/467506/
+  is_dpdk_config_required:
+    yaql:
+      expression: $.data.service_names.contains('neutron_ovs_dpdk_agent')
+      data:
+        service_names: {get_param: ServiceNames}
+  is_reboot_config_required:
+    or:
+      - is_host_config_required
+      - is_dpdk_config_required
 
 resources:
+  RoleParametersValue:
+    type: OS::Heat::Value
+    properties:
+      type: json
+      value:
+        map_replace:
+          - map_replace:
+            - HostCpusList: HostCpusList
+              NeutronDpdkCoreList: NeutronDpdkCoreList
+              NeutronDpdkMemoryChannels: NeutronDpdkMemoryChannels
+              NeutronDpdkSocketMemory: NeutronDpdkSocketMemory
+            - values: {get_param: [RoleParameters]}
+          - values:
+              HostCpusList: {get_param: HostCpusList}
+              NeutronDpdkCoreList: {get_param: NeutronDpdkCoreList}
+              NeutronDpdkMemoryChannels: {get_param: NeutronDpdkMemoryChannels}
+              NeutronDpdkSocketMemory: {get_param: NeutronDpdkSocketMemory}
+
   HostParametersConfig:
     type: OS::Heat::SoftwareConfig
     condition: is_host_config_required
@@ -43,9 +100,45 @@ resources:
         _TUNED_PROFILE_NAME_: {get_param: [RoleParameters, TunedProfileName]}
         _TUNED_CORES_: {get_param: [RoleParameters, HostIsolatedCoreList]}
 
+  EnableDpdkConfig:
+    type: OS::Heat::SoftwareConfig
+    condition: is_dpdk_config_required
+    properties:
+      group: script
+      config:
+        str_replace:
+          template: |
+            #!/bin/bash
+            set -x
+            # DO NOT use --detailed-exitcodes
+            puppet apply --logdest console \
+              --modulepath /etc/puppet/modules:/opt/stack/puppet-modules:/usr/share/openstack-puppet/modules \
+              -e '
+                class {"vswitch::dpdk":
+                  host_core_list  => "$HOST_CORES",
+                  pmd_core_list   => "$PMD_CORES",
+                  memory_channels => "$MEMORY_CHANNELS",
+                  socket_mem      => "$SOCKET_MEMORY",
+                }
+              '
+          params:
+            $HOST_CORES: {get_attr: [RoleParametersValue, value, HostCpusList]}
+            $PMD_CORES: {get_attr: [RoleParametersValue, value, NeutronDpdkCoreList]}
+            $MEMORY_CHANNELS: {get_attr: [RoleParametersValue, value, NeutronDpdkMemoryChannels]}
+            $SOCKET_MEMORY: {get_attr: [RoleParametersValue, value, NeutronDpdkSocketMemory]}
+
+  EnableDpdkDeployment:
+    type: OS::Heat::SoftwareDeployment
+    condition: is_dpdk_config_required
+    properties:
+      name: EnableDpdkDeployment
+      server:  {get_param: server}
+      config: {get_resource: EnableDpdkConfig}
+      actions: ['CREATE'] # Only do this on CREATE
+
   RebootConfig:
     type: OS::Heat::SoftwareConfig
-    condition: is_host_config_required
+    condition: is_reboot_config_required
     properties:
       group: script
       config: |
@@ -58,7 +151,7 @@ resources:
   RebootDeployment:
     type: OS::Heat::SoftwareDeployment
     depends_on: HostParametersDeployment
-    condition: is_host_config_required
+    condition: is_reboot_config_required
     properties:
       name: RebootDeployment
       server:  {get_param: server}