Added the ability to configuring the path to an RNG device
Unhardcode settings related to rng devices in nova formula.
The path to an RNG (Random Number Generator) device that will be used
as the source of entropy on the host.
Change-Id: Ifaa71e8bc986143004d0f97298d53b290721f4e8
Related-Prod: PROD-26873 (PROD:26873)
diff --git a/nova/files/90-hwrng.rules b/nova/files/90-hwrng.rules
new file mode 100644
index 0000000..b817b2b
--- /dev/null
+++ b/nova/files/90-hwrng.rules
@@ -0,0 +1,2 @@
+SUBSYSTEM=="misc", KERNEL=="hw_random", NAME="hwrng", GROUP="kvm", MODE="0660"
+
diff --git a/nova/files/pike/nova-compute.conf.Debian b/nova/files/pike/nova-compute.conf.Debian
index a5548bd..625dad3 100644
--- a/nova/files/pike/nova-compute.conf.Debian
+++ b/nova/files/pike/nova-compute.conf.Debian
@@ -6554,6 +6554,9 @@
# A path to a device that will be used as source of entropy on the host.
# Permitted options are: /dev/random or /dev/hwrng (string value)
#rng_dev_path=<None>
+{%- if compute.get('libvirt', {}).rng_dev_path is defined %}
+rng_dev_path={{ compute.libvirt.rng_dev_path }}
+{%- endif %}
# For qemu or KVM guests, set this option to specify a default machine type per
# host architecture. You can find a list of supported machine types in your
diff --git a/nova/files/pike/nova-controller.conf.Debian b/nova/files/pike/nova-controller.conf.Debian
index 74ff905..0c320df 100644
--- a/nova/files/pike/nova-controller.conf.Debian
+++ b/nova/files/pike/nova-controller.conf.Debian
@@ -6529,6 +6529,9 @@
# A path to a device that will be used as source of entropy on the host.
# Permitted options are: /dev/random or /dev/hwrng (string value)
#rng_dev_path=<None>
+{%- if controller.get('libvirt', {}).rng_dev_path is defined %}
+rng_dev_path={{ controller.libvirt.rng_dev_path }}
+{%- endif %}
# For qemu or KVM guests, set this option to specify a default machine type per
# host architecture. You can find a list of supported machine types in your
diff --git a/nova/files/queens/nova-compute.conf.Debian b/nova/files/queens/nova-compute.conf.Debian
index a056170..317062a 100644
--- a/nova/files/queens/nova-compute.conf.Debian
+++ b/nova/files/queens/nova-compute.conf.Debian
@@ -7065,6 +7065,9 @@
# host. Permitted options are: /dev/random or /dev/hwrng (string
# value)
#rng_dev_path = <None>
+{%- if compute.get('libvirt', {}).rng_dev_path is defined %}
+rng_dev_path={{ compute.libvirt.rng_dev_path }}
+{%- endif %}
# For qemu or KVM guests, set this option to specify a default machine
# type per host architecture. You can find a list of supported machine
diff --git a/nova/files/queens/nova-controller.conf.Debian b/nova/files/queens/nova-controller.conf.Debian
index e38313e..dc3e81e 100644
--- a/nova/files/queens/nova-controller.conf.Debian
+++ b/nova/files/queens/nova-controller.conf.Debian
@@ -6918,6 +6918,9 @@
# host. Permitted options are: /dev/random or /dev/hwrng (string
# value)
#rng_dev_path = <None>
+{%- if controller.get('libvirt', {}).rng_dev_path is defined %}
+rng_dev_path={{ controller.libvirt.rng_dev_path }}
+{%- endif %}
# For qemu or KVM guests, set this option to specify a default machine
# type per host architecture. You can find a list of supported machine
diff --git a/nova/files/rocky/nova-compute.conf.Debian b/nova/files/rocky/nova-compute.conf.Debian
index 4621588..209758b 100644
--- a/nova/files/rocky/nova-compute.conf.Debian
+++ b/nova/files/rocky/nova-compute.conf.Debian
@@ -6243,6 +6243,9 @@
# http://man7.org/linux/man-pages/man7/random.7.html.
# (string value)
#rng_dev_path = /dev/urandom
+{%- if compute.get('libvirt', {}).rng_dev_path is defined %}
+rng_dev_path={{ compute.libvirt.rng_dev_path }}
+{%- endif %}
# For qemu or KVM guests, set this option to specify a default machine type per
# host architecture. You can find a list of supported machine types in your
diff --git a/nova/files/rocky/nova-controller.conf.Debian b/nova/files/rocky/nova-controller.conf.Debian
index bbb411f..e1856fa 100644
--- a/nova/files/rocky/nova-controller.conf.Debian
+++ b/nova/files/rocky/nova-controller.conf.Debian
@@ -5993,6 +5993,9 @@
# http://man7.org/linux/man-pages/man7/random.7.html.
# (string value)
#rng_dev_path = /dev/urandom
+{%- if controller.get('libvirt', {}).rng_dev_path is defined %}
+rng_dev_path={{ controller.libvirt.rng_dev_path }}
+{%- endif %}
# For qemu or KVM guests, set this option to specify a default machine type per
# host architecture. You can find a list of supported machine types in your