[PATCH v6 17/20] osstest: introduce a script to create a FreeBSD flight

[Roger Pau Monne <roger.pau@citrix.com>]

The logic to create a FreeBSD build job is added to
make-freebsd-flight. This includes creating a FreeBSD build job, and
also testing the output of that build job (by creating another build
job that depends on the output of the first).

Note that the FreeBSD build job needs some input in order to setup a
FreeBSD host, and that can be fetched from different places:

1. Env variable FREEBSD_<arch>_BUILDJOB: use the output from a
previous build-<arch>-freebsd job.

2. Env variables FREEBSD_DIST and FREEBSD_VERSION: set before calling
into make-flight, provide the path to the installer image and sets
folder and the version being installed.

3. Config file FreeBSDDist and FreeBSDVersion: same as 2. except that
they are set on the config file.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
---
Changes since v5:
 - Append the "freebsd" hostflag, the specific version will be set
   dynamically by the ts-freebsd-set-hostflags script.
 - Use FREEBSD_<arch>_BUILDJOB to set the freebsdbuildjob runvar.
 - Loop around arches, although only amd64 is supported ATM. This
   should make it easier to add more arches later on.
 - Expand README comment to describe the expected layout of the
   FreeBSD install media.

Changes since v4:
 - Convert get_freebsdjob_runvars into set_freebsd_runvars, mimic the
   behavior of set_hostos_runvars.

Changes since v3:
 - Split the sg-run-job code into pre-patches.

Changes since v1:
 - Replace freebsd_buildjob with freebsdbuildjob.
 - Replace FREEBSD_SETS/IMAGE with a single FREEBSD_DIST that points
   to a folder that should contain both things.
 - Document the FreeBSDDist and FreeBSDVersion config file options in
   the README file.
---
 README              | 16 ++++++++++
 ap-common           |  4 +++
 make-freebsd-flight | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 111 insertions(+)
 create mode 100755 make-freebsd-flight

diff --git a/README b/README
index b45058da..2b5173da 100644
--- a/README
+++ b/README
@@ -423,6 +423,22 @@ HostGroupFlags_<group>
 DebianPreseed
    Text to add to the debian-installer preseed file.  Optional.
 
+FreeBSDDist
+   Path to the folder(s) that contain the FreeBSD install image and
+   the FreeBSD compressed install sets, together with the MANIFEST
+   file that holds the checksums. This is required in order to run
+   a FreeBSD host install if no previous FreeBSD buildjob is
+   available (ie: for example when running in standalone mode).
+   The layout expected by osstest is the following:
+      <FreeBSDDist>/<arch>/install.img
+      <FreeBSDDist>/<arch>/base.txz
+      <FreeBSDDist>/<arch>/kernel.txz
+      <FreeBSDDist>/<arch>/MANIFEST
+
+FreeBSDVersion
+   Numeric value holding the major FreeBSD version of the media
+   provided in FreeBSDDist (ie: 12).
+
 ========================================
 
 Config settings relevant only to standalone mode
diff --git a/ap-common b/ap-common
index cbb815ce..d4fa7aef 100644
--- a/ap-common
+++ b/ap-common
@@ -37,6 +37,10 @@
 : ${PUSH_TREE_XTF:=$XENBITS:/home/xen/git/xtf.git}
 : ${BASE_TREE_XTF:=git://xenbits.xen.org/xtf.git}
 
+: ${TREE_FREEBSD:=git://github.com/freebsd/freebsd.git}
+: ${PUSH_TREE_FREEBSD:=$XENBITS:/home/xen/git/freebsd.git}
+: ${BASE_TREE_FREEBSD:=git://xenbits.xen.org/freebsd.git}
+
 : ${TREE_LIBVIRT:=git://libvirt.org/libvirt.git}
 : ${PUSH_TREE_LIBVIRT:=$XENBITS:/home/xen/git/libvirt.git}
 : ${BASE_TREE_LIBVIRT:=git://xenbits.xen.org/libvirt.git}
diff --git a/make-freebsd-flight b/make-freebsd-flight
new file mode 100755
index 00000000..8e3f36cb
--- /dev/null
+++ b/make-freebsd-flight
@@ -0,0 +1,91 @@
+#!/bin/bash
+
+# This is part of "osstest", an automated testing framework for Xen.
+# Copyright (C) 2017 Citrix Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set -e -o posix
+
+branch=$1
+xenbranch=$2
+blessing=$3
+buildflight=$4
+
+flight=`./cs-flight-create $blessing $branch`
+
+. ./cri-common
+. ./ap-common
+. ./mfi-common
+
+# Only supports amd64 ATM.
+arches="amd64"
+
+job_create_build_filter_callback () {
+    :
+}
+
+set_freebsd_runvars () {
+    # Caller should have done if required:
+    # local freebsd_runvars
+    #
+    # Figure out where are the installer binaries. The order is the
+    # following:
+    #
+    # 1. Env variable FREEBSD_<arch>_BUILDJOB: use the output from a
+    # previous build-<arch>-freebsd.
+    #
+    # 2. Env variables FREEBSD_DIST, FREEBSD_VERSION: set before calling
+    # into make-flight, provide the path to the installer image, the sets
+    # to install and the version being installed.
+    #
+    # 3. Config file FreeBSDDist, FreeBSDVersion: same as 2. except that
+    # they are set on the config file.
+    #
+    envvar="FREEBSD_${arch^^}_BUILDJOB"
+    if [ -n "${!envvar}" ]; then
+        freebsd_runvars="freebsdbuildjob=${!envvar}"
+    elif [ -n "$FREEBSD_DIST" ] && [ -n "$FREEBSD_VERSION" ]; then
+        freebsd_runvars="freebsd_distpath=$FREEBSD_DIST/$arch \
+                         freebsd_version=$FREEBSD_VERSION"
+    else
+        distpath=`getconfig "FreeBSDDist"`
+        version=`getconfig "FreeBSDVersion"`
+        freebsd_runvars="freebsd_distpath=$distpath/$arch \
+                         freebsd_version=$version"
+    fi
+}
+
+for arch in "$arches"; do
+    set_freebsd_runvars
+    job_create_build build-$arch-freebsd build-freebsd                       \
+                arch=$arch                                                   \
+                $RUNVARS $BUILD_RUNVARS $BUILD_FREEBSD_RUNVARS $arch_runvars \
+                tree_freebsd=$TREE_FREEBSD                                   \
+                revision_freebsd=$REVISION_FREEBSD                           \
+                host_hostflags=arch-$arch,purpose-build,freebsd              \
+                $freebsd_runvars
+
+    # Create an identical job that's going to use the build output from
+    # the previous one.
+    job_create_build build-$arch-freebsd-again build-freebsd                 \
+                arch=$arch                                                   \
+                $RUNVARS $BUILD_RUNVARS $BUILD_FREEBSD_RUNVARS $arch_runvars \
+                host_hostflags=arch-$arch,purpose-build,freebsd              \
+                tree_freebsd=$TREE_FREEBSD                                   \
+                revision_freebsd=$REVISION_FREEBSD                           \
+                freebsdbuildjob=build-$arch-freebsd
+done
+
+echo $flight
-- 
2.11.0 (Apple Git-81)


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