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authorAlexandru Avadanii <Alexandru.Avadanii@enea.com>2017-11-16 19:14:14 +0100
committerAlexandru Avadanii <Alexandru.Avadanii@enea.com>2017-11-16 19:14:14 +0100
commitae49b614d29351d07e317ca792865ae74d0c5fb7 (patch)
treeb092e589058ad25b7f7f6f2f29dd282b85136438 /patches/opnfv-fuel
parentadbf9f707a702eff262d8437a68bc6c04e12d786 (diff)
p/fuel: armband formula: Refresh nova patches
Rework armband salt formula, focusing on nova libvirt driver patches: - Switch from multiple individual patches to a single roll-up patch: * Patch is now applied for python directory instead of each file; * Expected hash is now 'False' (no hash checking for whole dir); * Added 'unless' condition to skip patching when already applied. Replaces old hash mechanism which was broken anyway when multiple patches are applied to the same file; - nova: Switch guest video from VGA to virtio (replace our old standard VGA default patch with upstream backport); - nova: Skip config/patch if 'python-nova' is not installed (e.g. for KVM nodes); - nova: Support Qemu >= 2.10 (backport); - libvirt: Re-enable Apparmor security driver on compute nodes; - armband state is now fully re-entrant; JIRA: ARMBAND-306 JIRA: ARMBAND-318 JIRA: ARMBAND-320 JIRA: ARMBAND-331 Change-Id: I48c09b10be030aa1ab4424b76876bf3dabd40fd2 Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
Diffstat (limited to 'patches/opnfv-fuel')
-rw-r--r--patches/opnfv-fuel/0001-mcp-salt-formulas-Add-enable-armband-formula.patch278
-rw-r--r--patches/opnfv-fuel/0001-salt-formulas-Add-enable-armband-formula.patch487
2 files changed, 487 insertions, 278 deletions
diff --git a/patches/opnfv-fuel/0001-mcp-salt-formulas-Add-enable-armband-formula.patch b/patches/opnfv-fuel/0001-mcp-salt-formulas-Add-enable-armband-formula.patch
deleted file mode 100644
index d15cb934..00000000
--- a/patches/opnfv-fuel/0001-mcp-salt-formulas-Add-enable-armband-formula.patch
+++ /dev/null
@@ -1,278 +0,0 @@
-::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-: Copyright (c) 2017 Enea AB and others.
-:
-: All rights reserved. This program and the accompanying materials
-: are made available under the terms of the Apache License, Version 2.0
-: which accompanies this distribution, and is available at
-: http://www.apache.org/licenses/LICENSE-2.0
-::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-From: Guillermo Herrero <Guillermo.Herrero@enea.com>
-Date: Tue, 25 Jul 2017 00:58:32 +0200
-Subject: [PATCH] mcp: salt-formulas: Add & enable armband formula
-
-FIXME: Re-enable apparmor.
-FIXME: Detect baremetal and re-enable acceleration.
-
-- install qemu-efi;
-- install vgabios;
-- disable apparmor as security driver for libvirt (temporary);
-- fix missing link for vgabios binary blob;
-- nova: virt_type=qemu (temporary, until we support baremetal too);
-- nova: pointer_model=ps2mouse since AArch64 has no USB tablet;
-- nova: cpu_model=cortex-a57;
-- nova: libvirt driver: Add ttyAMA0 by default on AArch64;
-- nova: libvirt driver: Use VGA video type by default on AArch64;
-- nova: libvirt driver: AArch64: ACPI depends on AAVMF;
-
-Signed-off-by: Guillermo Herrero <Guillermo.Herrero@enea.com>
-Signed-off-by: Charalampos Kominos <Charalampos.Kominos@enea.com>
-Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
----
- mcp/config/states/openstack | 2 +
- mcp/config/states/openstack_ha | 1 +
- mcp/config/states/virtual_control_plane | 1 +
- ...ate-vga-console-defaults-for-armv7-aarch64.diff | 48 ++++++++++++++++++++++
- ...nova-libvirt-AArch64-ACPI-depends-on-AAVMF.diff | 45 ++++++++++++++++++++
- mcp/salt-formulas/armband/init.sls | 6 +++
- mcp/salt-formulas/armband/libvirt_driver.sls | 11 +++++
- mcp/salt-formulas/armband/nova.sls | 30 ++++++++++++++
- mcp/salt-formulas/armband/qemu.sls | 7 ++++
- mcp/salt-formulas/armband/vgabios.sls | 6 +++
- 10 files changed, 157 insertions(+)
- create mode 100644 mcp/salt-formulas/armband/files/nova-Update-vga-console-defaults-for-armv7-aarch64.diff
- create mode 100644 mcp/salt-formulas/armband/files/nova-libvirt-AArch64-ACPI-depends-on-AAVMF.diff
- create mode 100644 mcp/salt-formulas/armband/init.sls
- create mode 100644 mcp/salt-formulas/armband/libvirt_driver.sls
- create mode 100644 mcp/salt-formulas/armband/nova.sls
- create mode 100644 mcp/salt-formulas/armband/qemu.sls
- create mode 100644 mcp/salt-formulas/armband/vgabios.sls
-
-diff --git a/mcp/config/states/openstack b/mcp/config/states/openstack
-index 19cd417..73983d2 100755
---- a/mcp/config/states/openstack
-+++ b/mcp/config/states/openstack
-@@ -43,3 +43,5 @@ salt -I 'ceilometer:server' state.sls ceilometer
- salt -I 'ceilometer:agent' state.sls ceilometer
-
- salt -I 'horizon:server' state.sls horizon
-+
-+salt -I 'nova:compute' state.sls armband || true
-diff --git a/mcp/config/states/openstack_ha b/mcp/config/states/openstack_ha
-index e1fdf73..e1f705c 100755
---- a/mcp/config/states/openstack_ha
-+++ b/mcp/config/states/openstack_ha
-@@ -52,6 +52,7 @@ salt -I 'neutron:server' state.sls neutron -b 1
- salt -I 'neutron:gateway' state.sls neutron.gateway
-
- salt -I 'nova:compute' state.sls nova
-+salt -I 'nova:compute' state.sls armband || true
-
- salt -I 'mongodb:server' state.sls mongodb || true
- wait_for 90 "salt -C 'I@mongodb:server and *01*' cmd.run 'mongo localhost:27017/admin'"
-diff --git a/mcp/config/states/virtual_control_plane b/mcp/config/states/virtual_control_plane
-index 43d1520..88e7080 100755
---- a/mcp/config/states/virtual_control_plane
-+++ b/mcp/config/states/virtual_control_plane
-@@ -34,6 +34,7 @@ wait_for 90 "! salt -C 'kvm* or cmp*' test.ping | " \
-
- salt -C '* and not cfg01* and not mas01*' state.apply linux,ntp
-
-+salt -C 'kvm*' state.sls armband || true
- wait_for 5 "salt -C 'kvm*' state.sls libvirt"
-
- salt -C '* and not cfg01* and not mas01*' state.apply salt
-diff --git a/mcp/salt-formulas/armband/files/nova-Update-vga-console-defaults-for-armv7-aarch64.diff b/mcp/salt-formulas/armband/files/nova-Update-vga-console-defaults-for-armv7-aarch64.diff
-new file mode 100644
-index 0000000..a5b08da
---- /dev/null
-+++ b/mcp/salt-formulas/armband/files/nova-Update-vga-console-defaults-for-armv7-aarch64.diff
-@@ -0,0 +1,48 @@
-+From: Stanislaw Kardach <stanislaw.kardach@cavium.com>
-+Date: Tue, 22 Mar 2016 12:05:09 +0100
-+Subject: [PATCH] nova: Update vga, console defaults for armv7, aarch64
-+
-+Nova hardcodes default options for both video=cirrus and console.
-+armv7 and aarch64 VMs require video=vga, and since most applications
-+use PL011 serial driver for guests, adding console=ttyAMA0 is also
-+a nice UX addition.
-+
-+Signed-off-by: Stanislaw Kardach <stanislaw.kardach@cavium.com>
-+Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
-+Signed-off-by: Guillermo Herrero <Guillermo.Herrero@enea.com>
-+
-+---
-+ usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py | 10 +++++++++-
-+ 1 file changed, 9 insertions(+), 1 deletion(-)
-+
-+diff --git a/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py b/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py
-+index bba9b00..99e86be 100644
-+--- a/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py
-++++ b/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py
-+@@ -4179,7 +4179,12 @@ class LibvirtDriver(driver.ComputeDriver):
-+ if virt_type == "xen":
-+ guest.os_cmdline = "ro root=%s" % root_device_name
-+ else:
-++ guestarch = libvirt_utils.get_arch(image_meta)
-+ guest.os_cmdline = ("root=%s %s" % (root_device_name, CONSOLE))
-++ if guestarch in (fields.Architecture.ARMV7,
-++ fields.Architecture.AARCH64):
-++ # NOTE(armband): ARM v7/v8 use PL011 drv, add ttyAMA0 console
-++ guest.os_cmdline += " console=ttyAMA0"
-+ if virt_type == "qemu":
-+ guest.os_cmdline += " no_timer_check"
-+ if instance.ramdisk_id:
-+@@ -4288,9 +4293,12 @@ class LibvirtDriver(driver.ComputeDriver):
-+ video.type = 'xen'
-+ elif CONF.libvirt.virt_type == 'parallels':
-+ video.type = 'vga'
-+- elif guestarch in (fields.Architecture.PPC,
-++ elif guestarch in (fields.Architecture.ARMV7,
-++ fields.Architecture.AARCH64,
-++ fields.Architecture.PPC,
-+ fields.Architecture.PPC64,
-+ fields.Architecture.PPC64LE):
-++ # NOTE(armband): Added ARM v7/v8, same as on PPC.
-+ # NOTE(ldbragst): PowerKVM doesn't support 'cirrus' be default
-+ # so use 'vga' instead when running on Power hardware.
-+ video.type = 'vga'
-diff --git a/mcp/salt-formulas/armband/files/nova-libvirt-AArch64-ACPI-depends-on-AAVMF.diff b/mcp/salt-formulas/armband/files/nova-libvirt-AArch64-ACPI-depends-on-AAVMF.diff
-new file mode 100644
-index 0000000..7c1b78a
---- /dev/null
-+++ b/mcp/salt-formulas/armband/files/nova-libvirt-AArch64-ACPI-depends-on-AAVMF.diff
-@@ -0,0 +1,45 @@
-+From: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
-+Date: Thu, 24 Aug 2017 10:57:28 +0200
-+Subject: [PATCH] libvirt: AArch64: ACPI depends on AAVMF
-+
-+On AArch64, ACPI should be added to domain XML only if guest UEFI
-+(AAVMF) is also used.
-+
-+Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
-+Signed-off-by: Ciprian Barbu <ciprian.barbu@enea.com>
-+
-+---
-+
-+diff --git a/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py b/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py
-+--- a/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py
-++++ b/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py
-+@@ -4255,7 +4255,7 @@
-+ tmhyperv.present = True
-+ clk.add_timer(tmhyperv)
-+
-+- def _set_features(self, guest, os_type, caps, virt_type):
-++ def _set_features(self, guest, os_type, image_meta, caps, virt_type):
-+ if virt_type == "xen":
-+ # PAE only makes sense in X86
-+ if caps.host.cpu.arch in (fields.Architecture.I686,
-+@@ -4264,7 +4264,10 @@
-+
-+ if (virt_type not in ("lxc", "uml", "parallels", "xen") or
-+ (virt_type == "xen" and guest.os_type == fields.VMMode.HVM)):
-+- guest.features.append(vconfig.LibvirtConfigGuestFeatureACPI())
-++ guestarch = libvirt_utils.get_arch(image_meta)
-++ if (guestarch not in (fields.Architecture.ARMV7, fields.Architecture.AARCH64) or
-++ image_meta.properties.get('hw_firmware_type') == 'uefi'):
-++ guest.features.append(vconfig.LibvirtConfigGuestFeatureACPI())
-+ guest.features.append(vconfig.LibvirtConfigGuestFeatureAPIC())
-+
-+ if (virt_type in ("qemu", "kvm") and
-+@@ -4799,7 +4802,7 @@
-+ self._conf_non_lxc_uml(virt_type, guest, root_device_name, rescue,
-+ instance, inst_path, image_meta, disk_info)
-+
-+- self._set_features(guest, instance.os_type, caps, virt_type)
-++ self._set_features(guest, instance.os_type, image_meta, caps, virt_type)
-+ self._set_clock(guest, instance.os_type, image_meta, virt_type)
-+
-+ storage_configs = self._get_guest_storage_config(
-diff --git a/mcp/salt-formulas/armband/init.sls b/mcp/salt-formulas/armband/init.sls
-new file mode 100644
-index 0000000..6e7b6ad
---- /dev/null
-+++ b/mcp/salt-formulas/armband/init.sls
-@@ -0,0 +1,6 @@
-+include:
-+ - armband.qemu
-+ - armband.vgabios
-+ - armband.nova
-+ - armband.libvirt_driver
-+
-diff --git a/mcp/salt-formulas/armband/libvirt_driver.sls b/mcp/salt-formulas/armband/libvirt_driver.sls
-new file mode 100644
-index 0000000..9b47e2f
---- /dev/null
-+++ b/mcp/salt-formulas/armband/libvirt_driver.sls
-@@ -0,0 +1,11 @@
-+nova-libvirt-vga-console:
-+ file.patch:
-+ - name: /usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py
-+ - source: salt://armband/files/nova-Update-vga-console-defaults-for-armv7-aarch64.diff
-+ - hash: "71b22839913e6351edc70b6d59505f17"
-+
-+nova-libvirt-ACPI-AAVMF:
-+ file.patch:
-+ - name: /usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py
-+ - source: salt://armband/files/nova-libvirt-AArch64-ACPI-depends-on-AAVMF.diff
-+ - hash: "c02969d59f16f57242eb74a75e46b0cf"
-diff --git a/mcp/salt-formulas/armband/nova.sls b/mcp/salt-formulas/armband/nova.sls
-new file mode 100644
-index 0000000..674f371
---- /dev/null
-+++ b/mcp/salt-formulas/armband/nova.sls
-@@ -0,0 +1,30 @@
-+{% if grains['virtual'] == 'kvm' %}
-+nova_virt_type:
-+ file.replace:
-+ - name: "/etc/nova/nova.conf"
-+ - pattern: '^virt_type\s*=.*$'
-+ - repl: "virt_type = qemu"
-+{% endif %}
-+nova_pointer_model:
-+ file.replace:
-+ - name: "/etc/nova/nova.conf"
-+ - pattern: '^#pointer_model\s*=.*$'
-+ - repl: "pointer_model = ps2mouse"
-+nova_cpu_mode:
-+ file.replace:
-+ - name: "/etc/nova/nova.conf"
-+ - pattern: '^cpu_mode\s*=\s*host-passthrough'
-+ - repl: "cpu_mode = custom"
-+nova_cpu_model:
-+ file.replace:
-+ - name: "/etc/nova/nova.conf"
-+ - pattern: '^#cpu_model\s*=.*$'
-+ {% if grains['virtual'] == 'kvm' %}
-+ - repl: "cpu_model = cortex-a57"
-+ {% else %}
-+ - repl: "cpu_model = host"
-+ {% endif %}
-+restart_nova-compute:
-+ cmd:
-+ - run
-+ - name: "service nova-compute restart"
-diff --git a/mcp/salt-formulas/armband/qemu.sls b/mcp/salt-formulas/armband/qemu.sls
-new file mode 100644
-index 0000000..ecdb5ae
---- /dev/null
-+++ b/mcp/salt-formulas/armband/qemu.sls
-@@ -0,0 +1,7 @@
-+qemu-efi:
-+ pkg.installed
-+/etc/libvirt/qemu.conf:
-+ file.replace:
-+ - pattern: ^#security_driver =.*$
-+ - repl: "security_driver = \"none\""
-+
-diff --git a/mcp/salt-formulas/armband/vgabios.sls b/mcp/salt-formulas/armband/vgabios.sls
-new file mode 100644
-index 0000000..a31eafa
---- /dev/null
-+++ b/mcp/salt-formulas/armband/vgabios.sls
-@@ -0,0 +1,6 @@
-+vgabios:
-+ pkg.installed
-+/usr/share/qemu/vgabios-stdvga.bin:
-+ file.symlink:
-+ - target: "/usr/share/vgabios/vgabios.bin"
-+
diff --git a/patches/opnfv-fuel/0001-salt-formulas-Add-enable-armband-formula.patch b/patches/opnfv-fuel/0001-salt-formulas-Add-enable-armband-formula.patch
new file mode 100644
index 00000000..cc8599ab
--- /dev/null
+++ b/patches/opnfv-fuel/0001-salt-formulas-Add-enable-armband-formula.patch
@@ -0,0 +1,487 @@
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+: Copyright (c) 2017 Enea AB and others.
+:
+: All rights reserved. This program and the accompanying materials
+: are made available under the terms of the Apache License, Version 2.0
+: which accompanies this distribution, and is available at
+: http://www.apache.org/licenses/LICENSE-2.0
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+From: Guillermo Herrero <Guillermo.Herrero@enea.com>
+Date: Tue, 25 Jul 2017 00:58:32 +0200
+Subject: [PATCH] salt-formulas: Add & enable armband formula
+
+- prereq: install qemu-efi;
+- prereq: install vgabios;
+- prereq: fix missing link for vgabios binary blob;
+- nova patch: Support qemu >= 2.10 (backport from [1]);
+- nova patch: Add video type virtio for AArch64 (backport from [2]);
+- nova patch: libvirt driver: Add ttyAMA0 by default on AArch64;
+- nova patch: libvirt driver: AArch64: ACPI depends on AAVMF;
+- nova conf: cpu_model=cortex-a57 (only for virtual deploys);
+- nova conf: virt_type=qemu (only for virtual deploys);
+- nova conf: pointer_model=ps2mouse since AArch64 has no USB tablet;
+
+[1] https://github.com/openstack/nova/commit/8075797
+[2] https://github.com/openstack/nova/commit/f0f0953
+
+Signed-off-by: Guillermo Herrero <Guillermo.Herrero@enea.com>
+Signed-off-by: Charalampos Kominos <Charalampos.Kominos@enea.com>
+Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
+---
+ mcp/config/states/openstack | 2 +
+ mcp/config/states/openstack_ha | 1 +
+ mcp/config/states/virtual_control_plane | 1 +
+ .../armband/files/nova-libvirt-aarch64-rollup.diff | 317 +++++++++++++++++++++
+ mcp/salt-formulas/armband/init.sls | 7 +
+ mcp/salt-formulas/armband/nova_config.sls | 30 ++
+ mcp/salt-formulas/armband/nova_libvirt.sls | 7 +
+ mcp/salt-formulas/armband/qemu_efi.sls | 2 +
+ mcp/salt-formulas/armband/vgabios.sls | 7 +
+ 9 files changed, 374 insertions(+)
+ create mode 100644 mcp/salt-formulas/armband/files/nova-libvirt-aarch64-rollup.diff
+ create mode 100644 mcp/salt-formulas/armband/init.sls
+ create mode 100644 mcp/salt-formulas/armband/nova_config.sls
+ create mode 100644 mcp/salt-formulas/armband/nova_libvirt.sls
+ create mode 100644 mcp/salt-formulas/armband/qemu_efi.sls
+ create mode 100644 mcp/salt-formulas/armband/vgabios.sls
+
+diff --git a/mcp/config/states/openstack b/mcp/config/states/openstack
+index 19cd417..73983d2 100755
+--- a/mcp/config/states/openstack
++++ b/mcp/config/states/openstack
+@@ -43,3 +43,5 @@ salt -I 'ceilometer:server' state.sls ceilometer
+ salt -I 'ceilometer:agent' state.sls ceilometer
+
+ salt -I 'horizon:server' state.sls horizon
++
++salt -I 'nova:compute' state.sls armband || true
+diff --git a/mcp/config/states/openstack_ha b/mcp/config/states/openstack_ha
+index e1fdf73..e1f705c 100755
+--- a/mcp/config/states/openstack_ha
++++ b/mcp/config/states/openstack_ha
+@@ -52,6 +52,7 @@ salt -I 'neutron:server' state.sls neutron -b 1
+ salt -I 'neutron:gateway' state.sls neutron.gateway
+
+ salt -I 'nova:compute' state.sls nova
++salt -I 'nova:compute' state.sls armband || true
+
+ salt -I 'mongodb:server' state.sls mongodb || true
+ wait_for 90 "salt -C 'I@mongodb:server and *01*' cmd.run 'mongo localhost:27017/admin'"
+diff --git a/mcp/config/states/virtual_control_plane b/mcp/config/states/virtual_control_plane
+index 43d1520..88e7080 100755
+--- a/mcp/config/states/virtual_control_plane
++++ b/mcp/config/states/virtual_control_plane
+@@ -34,6 +34,7 @@ wait_for 90 "! salt -C 'kvm* or cmp*' test.ping | " \
+
+ salt -C '* and not cfg01* and not mas01*' state.apply linux,ntp
+
++salt -C 'kvm*' state.sls armband || true
+ wait_for 5 "salt -C 'kvm*' state.sls libvirt"
+
+ salt -C '* and not cfg01* and not mas01*' state.apply salt
+diff --git a/mcp/salt-formulas/armband/files/nova-libvirt-aarch64-rollup.diff b/mcp/salt-formulas/armband/files/nova-libvirt-aarch64-rollup.diff
+new file mode 100644
+index 0000000..4d7f04c
+--- /dev/null
++++ b/mcp/salt-formulas/armband/files/nova-libvirt-aarch64-rollup.diff
+@@ -0,0 +1,317 @@
++From 807579755c4a116309eca5b2bcdbab9d1f393bab Mon Sep 17 00:00:00 2001
++From: Matt Riedemann <mriedem.os@gmail.com>
++Date: Wed, 20 Sep 2017 10:44:11 -0400
++Subject: [PATCH] Support qemu >= 2.10
++
++Qemu 2.10 added the requirement of a --force-share flag to qemu-img
++info when reading information about a disk that is in use by a
++guest. We do this a lot in Nova for operations like gathering
++information before live migration.
++
++Up until this point all qemu/libvirt version matching has been solely
++inside the libvirt driver, however all the image manip code was moved
++out to nova.virt.images. We need the version of QEMU available there.
++
++This does it by initializing that version on driver init host. The net
++effect is also that broken libvirt connections are figured out
++earlier, as there is an active probe for this value.
++
++Co-Authored-By: Sean Dague <sean@dague.net>
++
++[ Alexandru.Avadanii@enea.com ]
++Minor patch adjustment to apply cleanly on Newton without further
++backporting.
++
++Change-Id: Iae2962bb86100f03fd3ad9aac3767da876291e74
++Closes-Bug: #1718295
++
++Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
++---
++ nova/test.py | 3 +++
++ nova/tests/unit/virt/libvirt/test_driver.py | 20 ++++++++++++++++++--
++ nova/tests/unit/virt/libvirt/test_utils.py | 25 +++++++++++++++++++++++++
++ nova/virt/images.py | 10 ++++++++++
++ nova/virt/libvirt/driver.py | 14 +++++++++-----
++ 5 files changed, 65 insertions(+), 7 deletions(-)
++
++diff --git a/nova/test.py b/nova/test.py
++index f0e6953b965..9b9ea9507e8 100644
++--- a/nova/test.py
+++++ b/nova/test.py
++@@ -61,6 +61,7 @@
++ from nova.tests.unit import policy_fixture
++ from nova.tests import uuidsentinel as uuids
++ from nova import utils
+++from nova.virt import images
++
++
++ CONF = cfg.CONF
++@@ -303,6 +304,8 @@ def setUp(self):
++ # nova.utils._IS_NEUTRON. We set it to None to avoid any
++ # caching of that value.
++ utils._IS_NEUTRON = None
+++ # Reset the global QEMU version flag.
+++ images.QEMU_VERSION = None
++
++ mox_fixture = self.useFixture(moxstubout.MoxStubout())
++ self.mox = mox_fixture.mox
++diff --git a/nova/tests/unit/virt/libvirt/test_driver.py b/nova/tests/unit/virt/libvirt/test_driver.py
++index fe54dc75e7f..4e9f2bd250e 100644
++--- a/nova/tests/unit/virt/libvirt/test_driver.py
+++++ b/nova/tests/unit/virt/libvirt/test_driver.py
++@@ -986,6 +986,23 @@ def test_next_min_qemu_version_ok(self, mock_warning, mock_get_libversion):
++ break
++ self.assertFalse(version_arg_found)
++
+++ # NOTE(sdague): python2.7 and python3.5 have different behaviors
+++ # when it comes to comparing against the sentinel, so
+++ # has_min_version is needed to pass python3.5.
+++ @mock.patch.object(nova.virt.libvirt.host.Host, "has_min_version",
+++ return_value=True)
+++ @mock.patch.object(fakelibvirt.Connection, 'getVersion',
+++ return_value=mock.sentinel.qemu_version)
+++ def test_qemu_image_version(self, mock_get_libversion, min_ver):
+++ """Test that init_host sets qemu image version
+++
+++ A sentinel is used here so that we aren't chasing this value
+++ against minimums that get raised over time.
+++ """
+++ drvr = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True)
+++ drvr.init_host("dummyhost")
+++ self.assertEqual(images.QEMU_VERSION, mock.sentinel.qemu_version)
+++
++ @mock.patch.object(fakelibvirt.Connection, 'getLibVersion',
++ return_value=versionutils.convert_version_to_int(
++ libvirt_driver.MIN_LIBVIRT_OTHER_ARCH.get(
++@@ -11605,9 +11622,8 @@ def test_command_with_broken_connection(self):
++ return_value=service_mock),
++ mock.patch.object(host.Host, "get_capabilities")):
++
++- drvr.init_host("wibble")
++ self.assertRaises(exception.HypervisorUnavailable,
++- drvr.get_num_instances)
+++ drvr.init_host, ("wibble",))
++ self.assertTrue(service_mock.disabled)
++
++ def test_service_resume_after_broken_connection(self):
++diff --git a/nova/tests/unit/virt/libvirt/test_utils.py b/nova/tests/unit/virt/libvirt/test_utils.py
++index 646a72c8599..49945a3cd3b 100644
++--- a/nova/tests/unit/virt/libvirt/test_utils.py
+++++ b/nova/tests/unit/virt/libvirt/test_utils.py
++@@ -173,6 +173,31 @@ def test_qemu_info_canon(self, mock_execute, mock_exists):
++
++ @mock.patch('os.path.exists', return_value=True)
++ @mock.patch('nova.utils.execute')
+++ def test_qemu_info_canon_qemu_2_10(self, mock_execute, mock_exists):
+++ images.QEMU_VERSION = images.QEMU_VERSION_REQ_SHARED
+++ path = "disk.config"
+++ example_output = """image: disk.config
+++file format: raw
+++virtual size: 64M (67108864 bytes)
+++cluster_size: 65536
+++disk size: 96K
+++blah BLAH: bb
+++"""
+++ mock_execute.return_value = (example_output, '')
+++ image_info = images.qemu_img_info(path)
+++ mock_execute.assert_called_once_with('env', 'LC_ALL=C', 'LANG=C',
+++ 'qemu-img', 'info', path,
+++ '--force-share',
+++ prlimit=images.QEMU_IMG_LIMITS)
+++ mock_exists.assert_called_once_with(path)
+++ self.assertEqual('disk.config', image_info.image)
+++ self.assertEqual('raw', image_info.file_format)
+++ self.assertEqual(67108864, image_info.virtual_size)
+++ self.assertEqual(98304, image_info.disk_size)
+++ self.assertEqual(65536, image_info.cluster_size)
+++
+++ @mock.patch('os.path.exists', return_value=True)
+++ @mock.patch('nova.utils.execute')
++ def test_qemu_info_canon2(self, mock_execute, mock_exists):
++ path = "disk.config"
++ example_output = """image: disk.config
++diff --git a/nova/virt/images.py b/nova/virt/images.py
++index dae6bc7ef52..be2a9d9e062 100644
++--- a/nova/virt/images.py
+++++ b/nova/virt/images.py
++@@ -19,6 +19,7 @@
++ Handling of VM disk images.
++ """
++
+++import operator
++ import os
++
++ from oslo_concurrency import processutils
++@@ -42,6 +43,11 @@
++ cpu_time=8,
++ address_space=1 * units.Gi)
++
+++# This is set by the libvirt driver on startup. The version is used to
+++# determine what flags need to be set on the command line.
+++QEMU_VERSION = None
+++QEMU_VERSION_REQ_SHARED = 2010000
+++
++
++ def qemu_img_info(path, format=None):
++ """Return an object containing the parsed output from qemu-img info."""
++@@ -60,6 +66,10 @@ def qemu_img_info(path, format=None):
++ cmd = ('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', path)
++ if format is not None:
++ cmd = cmd + ('-f', format)
+++ # Check to see if the qemu version is >= 2.10 because if so, we need
+++ # to add the --force-share flag.
+++ if QEMU_VERSION and operator.ge(QEMU_VERSION, QEMU_VERSION_REQ_SHARED):
+++ cmd = cmd + ('--force-share',)
++ out, err = utils.execute(*cmd, prlimit=QEMU_IMG_LIMITS)
++ except processutils.ProcessExecutionError as exp:
++ # this means we hit prlimits, make the exception more specific
++diff --git a/nova/virt/libvirt/driver.py b/nova/virt/libvirt/driver.py
++index 82dc2b99f6a..8d4eb90ecf5 100644
++--- a/nova/virt/libvirt/driver.py
+++++ b/nova/virt/libvirt/driver.py
++@@ -481,11 +481,15 @@ def init_host(self, host):
++ _('Nova requires libvirt version %s or greater.') %
++ self._version_to_string(MIN_LIBVIRT_VERSION))
++
++- if (CONF.libvirt.virt_type in ("qemu", "kvm") and
++- not self._host.has_min_version(hv_ver=MIN_QEMU_VERSION)):
++- raise exception.InternalError(
++- _('Nova requires QEMU version %s or greater.') %
++- self._version_to_string(MIN_QEMU_VERSION))
+++ if CONF.libvirt.virt_type in ("qemu", "kvm"):
+++ if self._host.has_min_version(hv_ver=MIN_QEMU_VERSION):
+++ # "qemu-img info" calls are version dependent, so we need to
+++ # store the version in the images module.
+++ images.QEMU_VERSION = self._host.get_connection().getVersion()
+++ else:
+++ raise exception.InternalError(
+++ _('Nova requires QEMU version %s or greater.') %
+++ self._version_to_string(MIN_QEMU_VERSION))
++
++ if CONF.libvirt.virt_type == 'parallels':
++ if not self._host.has_min_version(hv_ver=MIN_VIRTUOZZO_VERSION):
++--
++
++From: Stanislaw Kardach <stanislaw.kardach@cavium.com>
++Date: Tue, 22 Mar 2016 12:05:09 +0100
++Subject: [PATCH] nova: Update console defaults for armv7, aarch64
++
++Nova hardcodes default options for serial console.
++For armv7 and aarch64 direct kernel boot, adding console=ttyAMA0 is
++a nice UX addition.
++
++Signed-off-by: Stanislaw Kardach <stanislaw.kardach@cavium.com>
++Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
++Signed-off-by: Guillermo Herrero <Guillermo.Herrero@enea.com>
++
++---
++
++diff --git a/nova/virt/libvirt/driver.py b/nova/virt/libvirt/driver.py
++--- a/nova/virt/libvirt/driver.py
+++++ b/nova/virt/libvirt/driver.py
++@@ -4179,7 +4179,12 @@ class LibvirtDriver(driver.ComputeDriver):
++ if virt_type == "xen":
++ guest.os_cmdline = "ro root=%s" % root_device_name
++ else:
+++ guestarch = libvirt_utils.get_arch(image_meta)
++ guest.os_cmdline = ("root=%s %s" % (root_device_name, CONSOLE))
+++ if guestarch in (fields.Architecture.ARMV7,
+++ fields.Architecture.AARCH64):
+++ # NOTE(armband): ARM v7/v8 use PL011 drv, add ttyAMA0 console
+++ guest.os_cmdline += " console=ttyAMA0"
++ if virt_type == "qemu":
++ guest.os_cmdline += " no_timer_check"
++ if instance.ramdisk_id:
++--
++
++From: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
++Date: Thu, 24 Aug 2017 10:57:28 +0200
++Subject: [PATCH] libvirt: AArch64: ACPI depends on AAVMF
++
++On AArch64, ACPI should be added to domain XML only if guest UEFI
++(AAVMF) is also used.
++
++Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
++Signed-off-by: Ciprian Barbu <ciprian.barbu@enea.com>
++
++---
++
++diff --git a/nova/virt/libvirt/driver.py b/nova/virt/libvirt/driver.py
++--- a/nova/virt/libvirt/driver.py
+++++ b/nova/virt/libvirt/driver.py
++@@ -4255,7 +4255,7 @@
++ tmhyperv.present = True
++ clk.add_timer(tmhyperv)
++
++- def _set_features(self, guest, os_type, caps, virt_type):
+++ def _set_features(self, guest, os_type, image_meta, caps, virt_type):
++ if virt_type == "xen":
++ # PAE only makes sense in X86
++ if caps.host.cpu.arch in (fields.Architecture.I686,
++@@ -4264,7 +4264,10 @@
++
++ if (virt_type not in ("lxc", "uml", "parallels", "xen") or
++ (virt_type == "xen" and guest.os_type == fields.VMMode.HVM)):
++- guest.features.append(vconfig.LibvirtConfigGuestFeatureACPI())
+++ guestarch = libvirt_utils.get_arch(image_meta)
+++ if (guestarch not in (fields.Architecture.ARMV7, fields.Architecture.AARCH64) or
+++ image_meta.properties.get('hw_firmware_type') == 'uefi'):
+++ guest.features.append(vconfig.LibvirtConfigGuestFeatureACPI())
++ guest.features.append(vconfig.LibvirtConfigGuestFeatureAPIC())
++
++ if (virt_type in ("qemu", "kvm") and
++@@ -4799,7 +4802,7 @@
++ self._conf_non_lxc_uml(virt_type, guest, root_device_name, rescue,
++ instance, inst_path, image_meta, disk_info)
++
++- self._set_features(guest, instance.os_type, caps, virt_type)
+++ self._set_features(guest, instance.os_type, image_meta, caps, virt_type)
++ self._set_clock(guest, instance.os_type, image_meta, virt_type)
++
++ storage_configs = self._get_guest_storage_config(
++--
++
++From f0f09530ee9169eb29bc28d4f118676d7dc6640e Mon Sep 17 00:00:00 2001
++From: Kevin Zhao <kevin.zhao@arm.com>
++Date: Tue, 15 Aug 2017 09:52:09 +0000
++Subject: [PATCH] Add video type virtio for AArch64
++
++Currently only "virtio" type is supported on AArch64, and the
++other "virrus", "qxl" and "vga" don't work on AArch64 according to
++libvirt upstream:
++https://www.redhat.com/archives/libvir-list/2016-September/msg00546.html
++Then this patch adds the virtio for AArch64 and tweaks the related test cases.
++
++Closes-bug: #1710766
++
++[ Alexandru.Avadanii@enea.com ]
++Dropped test changes so it applies cleanly on Newton without more backports.
++
++Change-Id: Iba8a1e671f2b5759b3d9178aa1871d0cf888b26b
++Signed-off-by: Kevin Zhao <kevin.zhao@arm.com>
++Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
++---
++
++--- a/nova/virt/libvirt/driver.py
+++++ b/nova/virt/libvirt/driver.py
++@@ -4342,7 +4342,8 @@ def _check_number_of_serial_console(self, num_ports):
++ allowed=ALLOWED_QEMU_SERIAL_PORTS, virt_type=virt_type)
++
++ def _add_video_driver(self, guest, image_meta, flavor):
++- VALID_VIDEO_DEVICES = ("vga", "cirrus", "vmvga", "xen", "qxl")
+++ VALID_VIDEO_DEVICES = ("vga", "cirrus", "vmvga",
+++ "xen", "qxl", "virtio")
++ video = vconfig.LibvirtConfigGuestVideo()
++ # NOTE(ldbragst): The following logic sets the video.type
++ # depending on supported defaults given the architecture,
++@@ -4360,6 +4361,10 @@ def _add_video_driver(self, guest, image_meta, flavor):
++ # NOTE(ldbragst): PowerKVM doesn't support 'cirrus' be default
++ # so use 'vga' instead when running on Power hardware.
++ video.type = 'vga'
+++ elif guestarch in (fields.Architecture.AARCH64):
+++ # NOTE(kevinz): Only virtio device type is supported by AARCH64
+++ # so use 'virtio' instead when running on AArch64 hardware.
+++ video.type = 'virtio'
++ elif CONF.spice.enabled:
++ video.type = 'qxl'
++ if image_meta.properties.get('hw_video_model'):
+diff --git a/mcp/salt-formulas/armband/init.sls b/mcp/salt-formulas/armband/init.sls
+new file mode 100644
+index 0000000..8a8cf2a
+--- /dev/null
++++ b/mcp/salt-formulas/armband/init.sls
+@@ -0,0 +1,7 @@
++include:
++ - armband.qemu_efi
++ - armband.vgabios
++ {%- if salt['pkg.version']('python-nova') %}
++ - armband.nova_libvirt
++ - armband.nova_config
++ {%- endif %}
+diff --git a/mcp/salt-formulas/armband/nova_config.sls b/mcp/salt-formulas/armband/nova_config.sls
+new file mode 100644
+index 0000000..674f371
+--- /dev/null
++++ b/mcp/salt-formulas/armband/nova_config.sls
+@@ -0,0 +1,30 @@
++{% if grains['virtual'] == 'kvm' %}
++nova_virt_type:
++ file.replace:
++ - name: "/etc/nova/nova.conf"
++ - pattern: '^virt_type\s*=.*$'
++ - repl: "virt_type = qemu"
++{% endif %}
++nova_pointer_model:
++ file.replace:
++ - name: "/etc/nova/nova.conf"
++ - pattern: '^#pointer_model\s*=.*$'
++ - repl: "pointer_model = ps2mouse"
++nova_cpu_mode:
++ file.replace:
++ - name: "/etc/nova/nova.conf"
++ - pattern: '^cpu_mode\s*=\s*host-passthrough'
++ - repl: "cpu_mode = custom"
++nova_cpu_model:
++ file.replace:
++ - name: "/etc/nova/nova.conf"
++ - pattern: '^#cpu_model\s*=.*$'
++ {% if grains['virtual'] == 'kvm' %}
++ - repl: "cpu_model = cortex-a57"
++ {% else %}
++ - repl: "cpu_model = host"
++ {% endif %}
++restart_nova-compute:
++ cmd:
++ - run
++ - name: "service nova-compute restart"
+diff --git a/mcp/salt-formulas/armband/nova_libvirt.sls b/mcp/salt-formulas/armband/nova_libvirt.sls
+new file mode 100644
+index 0000000..bc2cbda
+--- /dev/null
++++ b/mcp/salt-formulas/armband/nova_libvirt.sls
+@@ -0,0 +1,7 @@
++nova-libvirt-aarch64-rollup:
++ file.patch:
++ - name: /usr/lib/python2.7/dist-packages
++ - source: salt://armband/files/nova-libvirt-aarch64-rollup.diff
++ - hash: False
++ - options: '-p1'
++ - unless: 'test -f /var/cache/salt/minion/files/base/armband/files/nova-libvirt-aarch64-rollup.diff && cd /usr/lib/python2.7/dist-packages && patch -p1 -R --dry-run /var/cache/salt/minion/files/base/armband/files/nova-libvirt-aarch64-rollup.diff'
+diff --git a/mcp/salt-formulas/armband/qemu_efi.sls b/mcp/salt-formulas/armband/qemu_efi.sls
+new file mode 100644
+index 0000000..c697dae
+--- /dev/null
++++ b/mcp/salt-formulas/armband/qemu_efi.sls
+@@ -0,0 +1,2 @@
++qemu-efi:
++ pkg.installed
+diff --git a/mcp/salt-formulas/armband/vgabios.sls b/mcp/salt-formulas/armband/vgabios.sls
+new file mode 100644
+index 0000000..500c2bc
+--- /dev/null
++++ b/mcp/salt-formulas/armband/vgabios.sls
+@@ -0,0 +1,7 @@
++vgabios:
++ pkg.installed
++/usr/share/qemu:
++ file.directory
++/usr/share/qemu/vgabios-stdvga.bin:
++ file.symlink:
++ - target: "/usr/share/vgabios/vgabios.bin"