tests: Add initial sanity checks to the GlusterFS Test Framework

BUG: 1073168
Change-Id: I0b995d94fe83053d3294df1b5fad2eef3b4355d3
Signed-off-by: Justin Clift <justin@gluster.org>
Reviewed-on: http://review.gluster.org/7193
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>

run-tests.sh

@@ -1,17 +1,98 @@
 #!/bin/bash
-# Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com>
+# Copyright (c) 2013-2014 Red Hat, Inc. <http://www.redhat.com>
 #
 
-function _init()
+function check_dependencies()
+{
+    ## Check all dependencies are present
+    MISSING=""
+
+    # Check for dbench
+    if [ ! -x /usr/bin/dbench ]; then
+        MISSING="$MISSING dbench"
+    fi
+
+    # Check for git
+    env git --version > /dev/null 2>&1
+    if [ $? -ne 0 ]; then
+        MISSING="$MISSING git"
+    fi
+
+    # Check for mock
+    if [ ! -e /usr/bin/mock ]; then
+        MISSING="$MISSING mock"
+    fi
+
+    # Check for nfs-utils
+    env mount.nfs -V > /dev/null 2>&1
+    if [ $? -ne 0 ]; then
+        MISSING="$MISSING nfs-utils"
+    fi
+
+    # Check for the Perl Test Harness
+    env prove --version > /dev/null 2>&1
+    if [ $? -ne 0 ]; then
+        MISSING="$MISSING perl-Test-Harness"
+    fi
+
+    # Check for XFS programs
+    env mkfs.xfs -V > /dev/null 2>&1
+    if [ $? -ne 0 ]; then
+        MISSING="$MISSING xfsprogs"
+    fi
+
+    # Check for attr
+    env getfattr --version > /dev/null 2>&1
+    if [ $? -ne 0 ]; then
+        MISSING="$MISSING attr"
+    fi
+
+    ## If dependencies are missing, warn the user and abort
+    if [ "x$MISSING" != "x" ]; then
+        echo "Aborting."
+        echo
+        echo "The following required tools are missing:"
+        echo
+        for pkg in $MISSING; do
+            echo "  * $pkg"
+        done
+        echo
+        echo "Please install them and try again."
+        echo
+        exit 2
+    fi
+}
+
+function check_location()
 {
     regression_testsdir=$(dirname $0);
 
     if [ ! -f ${regression_testsdir}/tests/include.rc ]; then
-        echo "Seems like GlusterFS quality tests are corrupted..aborting!!"
+        echo "Aborting."
+        echo
+        echo "The tests/ subdirectory seems to be missing."
+        echo
+        echo "Please correct the problem and try again."
+        echo
         exit 1
     fi
 }
 
+function check_user()
+{
+    # If we're not running as root, warn the user and abort
+    MYUID=`/usr/bin/id -u`
+    if [ 0${MYUID} -ne 0 ]; then
+        echo "Aborting."
+        echo
+        echo "The GlusterFS Test Framework must be run as root."
+        echo
+        echo "Please change to the root user and try again."
+        echo
+        exit 3
+    fi
+}
+
 function main()
 {
     if [ $# -lt 1 ]; then
@@ -27,4 +108,18 @@ function main()
     fi
 }
 
-_init "$@" && main "$@"
+echo
+echo ... GlusterFS Test Framework ...
+echo
+
+# Make sure we're running as the root user
+check_user
+
+# Make sure the needed programs are available
+check_dependencies
+
+# Check we're running from the right location
+check_location
+
+# Run the tests
+main "$@"