Merge "Add custom role for realtime compute"

environments/compute-real-time-example.yaml

@@ -0,0 +1,33 @@
+# A Heat environment that can be used to deploy a real-time compute node
+# Deploying a real-time compute node requires enabling hugepages for the
+# overcloud nodes, which is done by default for the ComputeRealTime role.
+# However, the CPU pinnings (IsolCpusList and NovaVcpuPinSet) need to be set in
+# an environment file like this, according to the hardware used for the
+# real-time compute nodes.
+# Also the hugepages parameters in KernelArgs should be set accordingly
+# the memory of the real-time compute nodes.
+# It's also possible to overwrite the default values for other parameters like
+# TunedProfileName and ComputeRealTimeImage here.
+
+parameter_defaults:
+
+  ## Only uncomment this line to overwrite the default image name
+  #ComputeRealTimeImage: "overcloud-realtime-compute"
+
+  ComputeRealTimeParameters:
+    ## Host configuration Parameters
+
+    ## You must change these values accordingly to your hardware
+    IsolCpusList: "2,3"    # Logical CPUs list to be isolated from the host process (applied via cpu-partitioning tuned).
+                           # It is mandatory to provide isolated cpus for tuned to achive optimal performance.
+                           # Example: "3-8,12-15,18"
+    NovaVcpuPinSet: "2,3"  # Cores to pin Nova instances to.  For maximum performance, select cores
+                           # on the same NUMA node(s) selected for previous settings.
+
+    ## Space separated kernel args to configure hugepage. Deploying real-time
+    ## requires enabling hugepages for the overcloud compute nodes.
+    ## Adapt the hugepages according to the memory of the real-time compute nodes.
+    KernelArgs: "default_hugepagesz=1G hugepagesz=1G hugepages=16"
+
+    ## Only uncomment these lines to overwrite the defaults
+    #TunedProfileName: "realtime-virtual-host"

roles/ComputeRealTime.yaml

@@ -0,0 +1,64 @@
+###############################################################################
+# Role: ComputeRealTime                                                               #
+###############################################################################
+- name: ComputeRealTime
+  description: |
+    Compute role that is optimized for real-time behaviour. When using this role
+    it is mandatory that an overcloud-realtime-compute image is available and
+    the role specific parameters IsolCpusList and NovaVcpuPinSet are set
+    accordingly to the hardware of the real-time compute nodes.
+  CountDefault: 1
+  networks:
+    - InternalApi
+    - Tenant
+    - Storage
+  HostnameFormatDefault: '%stackname%-computerealtime-%index%'
+  disable_upgrade_deployment: True
+  ImageDefault: overcloud-realtime-compute
+  RoleParametersDefault:
+    TunedProfileName: "realtime-virtual-host"
+    KernelArgs: ""      # these must be set in an environment file or similar
+    IsolCpusList: ""    # according to the hardware of real-time nodes
+    NovaVcpuPinSet: ""  #
+  ServicesDefault:
+    - OS::TripleO::Services::Aide
+    - OS::TripleO::Services::AuditD
+    - OS::TripleO::Services::CACerts
+    - OS::TripleO::Services::CephClient
+    - OS::TripleO::Services::CephExternal
+    - OS::TripleO::Services::CertmongerUser
+    - OS::TripleO::Services::Collectd
+    - OS::TripleO::Services::ComputeCeilometerAgent
+    - OS::TripleO::Services::ComputeNeutronCorePlugin
+    - OS::TripleO::Services::ComputeNeutronL3Agent
+    - OS::TripleO::Services::ComputeNeutronMetadataAgent
+    - OS::TripleO::Services::ComputeNeutronOvsAgent
+    - OS::TripleO::Services::Docker
+    - OS::TripleO::Services::Fluentd
+    - OS::TripleO::Services::Ipsec
+    - OS::TripleO::Services::Iscsid
+    - OS::TripleO::Services::Kernel
+    - OS::TripleO::Services::LoginDefs
+    - OS::TripleO::Services::MySQLClient
+    - OS::TripleO::Services::NeutronBgpVpnBagpipe
+    - OS::TripleO::Services::NeutronLinuxbridgeAgent
+    - OS::TripleO::Services::NeutronVppAgent
+    - OS::TripleO::Services::NovaCompute
+    - OS::TripleO::Services::NovaLibvirt
+    - OS::TripleO::Services::NovaMigrationTarget
+    - OS::TripleO::Services::Ntp
+    - OS::TripleO::Services::ContainersLogrotateCrond
+    - OS::TripleO::Services::OpenDaylightOvs
+    - OS::TripleO::Services::Rhsm
+    - OS::TripleO::Services::RsyslogSidecar
+    - OS::TripleO::Services::Securetty
+    - OS::TripleO::Services::SensuClient
+    - OS::TripleO::Services::SkydiveAgent
+    - OS::TripleO::Services::Snmp
+    - OS::TripleO::Services::Sshd
+    - OS::TripleO::Services::Timezone
+    - OS::TripleO::Services::TripleoFirewall
+    - OS::TripleO::Services::TripleoPackages
+    - OS::TripleO::Services::Vpp
+    - OS::TripleO::Services::OVNController
+    - OS::TripleO::Services::OVNMetadataAgent

tools/yaml-validate.py

@@ -693,6 +693,12 @@ def validate(filename, param_map):
                 'OS::TripleO::Services::NeutronLinuxbridgeAgent']
             retval = validate_with_compute_role_services(filename, tpl, exclude)
 
+        if filename.startswith('./roles/ComputeRealTime.yaml'):
+            exclude = [
+                'OS::TripleO::Services::Tuned',
+            ]
+            retval = validate_with_compute_role_services(filename, tpl, exclude)
+
         if filename.startswith('./roles/Hci'):
             retval = validate_hci_role(filename, tpl)