[libvirt] [PATCH v2 2/2] tests: Add script to copy nodeinfo test data from host

[Andrea Bolognani]

Only the files libvirt actually parses are copied over,
to avoid needlessly increasing the size of the repository
and causing dist issues (eg. symlinks loops).
---
 tests/nodeinfodata/copy-from-host.sh | 113 +++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100755 tests/nodeinfodata/copy-from-host.sh

diff --git a/tests/nodeinfodata/copy-from-host.sh b/tests/nodeinfodata/copy-from-host.sh
new file mode 100755
index 0000000..ed37865
--- /dev/null
+++ b/tests/nodeinfodata/copy-from-host.sh
@@ -0,0 +1,113 @@
+#!/bin/bash
+
+# copy-from-host.sh - Copy nodeinfo test data from a running host
+# Copyright (C) 2015 Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library.  If not, see
+# <http://www.gnu.org/licenses/>.
+#
+# Author: Andrea Bolognani <abologna at redhat.com>
+
+SYSFS_PATH="/sys/devices/system"
+NODE_TOPLEVEL_COPY="online possible"
+NODE_COPY="cpu[0-9]* cpulist cpumap meminfo"
+CPU_TOPLEVEL_COPY="kernel_max offline online possible present"
+CPU_COPY="online topology"
+
+die() {
+    local message=$1
+
+    echo "$message" >&2
+
+    exit 1
+}
+
+create() {
+    local directory=$1
+
+    if ! mkdir -p "$directory" >/dev/null 2>&1; then
+        die "$directory: Unable to create directory"
+    fi
+}
+
+copy() {
+    local pattern=$1
+    local from=$2
+    local to=$3
+
+    local item
+
+    echo "  $to/$pattern"
+
+    for item in "$from/"$pattern; do
+        # Some files, like cpu/cpu0/online on Intel systems or cpu/present on
+        # older kernels, just don't exist. Skip them without making a fuss
+        if ! test -e "$item"; then
+            continue
+        fi
+        if ! cp -r "$item" "$to" >/dev/null 2>&1; then
+            die "$item: Unable to copy item"
+        fi
+    done
+}
+
+main() {
+    local name=$1
+
+    if test "$#" -lt 1; then
+        die "Usage: $SELF NAME"
+    fi
+
+    # Create destination directories
+    if test -e "$name"; then
+        die "$name: File or directory already exists"
+    fi
+    for directory in "$name" "$name/node" "$name/cpu"; do
+        create "$directory"
+    done
+
+    # Copy host files
+    echo "Global node information..."
+    for pattern in $NODE_TOPLEVEL_COPY; do
+        copy "$pattern" "$SYSFS_PATH/node" "$name/node"
+    done
+    echo "Per-node information..."
+    for node in "$SYSFS_PATH/node/node"[0-9]*; do
+        node=${node##*/}
+        create "$name/node/$node"
+        for pattern in $NODE_COPY; do
+            copy "$pattern" "$SYSFS_PATH/node/$node" "$name/node/$node"
+        done
+    done
+    echo "Global CPU information..."
+    for pattern in $CPU_TOPLEVEL_COPY; do
+        copy "$pattern" "$SYSFS_PATH/cpu" "$name/cpu"
+    done
+    echo "Per-CPU information..."
+    for cpu in "$SYSFS_PATH/cpu/cpu"[0-9]*; do
+        cpu=${cpu##*/}
+        create "$name/cpu/$cpu"
+        for pattern in $CPU_COPY; do
+            copy "$pattern" "$SYSFS_PATH/cpu/$cpu" "$name/cpu/$cpu"
+        done
+    done
+
+    echo "All done"
+
+    return 0
+}
+
+SELF=$0
+main "$@"
+exit $?
-- 
2.4.3