Add bash scripts style checking for IPA

Updated file tox.ini allows to check code style in all ".sh" files
included in Ironic Python Agent. Checking can be invoked by calling either
"tox" or "tox -e pep8".

Change-Id: Ie76605737c7db10a064f2aebfda388372a4c0591
Closes-Bug: #1625215

test-requirements.txt

@@ -8,7 +8,7 @@ testtools>=1.4.0 # MIT
 python-subunit>=0.0.18 # Apache-2.0/BSD
 oslotest>=1.10.0 # Apache-2.0
 os-testr>=0.8.0 # Apache-2.0
-
+bashate>=0.2 # Apache-2.0
 # Doc requirements
 doc8 # Apache-2.0
 sphinx!=1.3b1,<1.4,>=1.2.1 # BSD

tools/config/check_uptodate.sh

@@ -17,8 +17,7 @@ trap "rm -rf $TEMPDIR" EXIT
 
 tools/config/generate_sample.sh -b ./ -p ${PROJECT_NAME} -o ${TEMPDIR}
 
-if ! diff -u ${TEMPDIR}/${CFGFILE_NAME} ${CFGFILE}
-then
+if ! diff -u ${TEMPDIR}/${CFGFILE_NAME} ${CFGFILE} ; then
     echo "${0##*/}: ${PROJECT_NAME}.conf.sample is not up to date."
     echo "${0##*/}: Please run ${0%%${0##*/}}generate_sample.sh."
     exit 1

tools/config/generate_sample.sh

@@ -7,7 +7,10 @@ print_hint() {
 PARSED_OPTIONS=$(getopt -n "${0##*/}" -o hb:p:m:l:o: \
                 --long help,base-dir:,package-name:,output-dir:,module:,library: -- "$@")
 
-if [ $? != 0 ] ; then print_hint ; exit 1 ; fi
+if [ $? != 0 ] ; then
+    print_hint ;
+    exit 1
+fi
 
 eval set -- "$PARSED_OPTIONS"
 
@@ -57,30 +60,25 @@ while true; do
 done
 
 BASEDIR=${BASEDIR:-`pwd`}
-if ! [ -d $BASEDIR ]
-then
+if ! [ -d $BASEDIR ] ; then
     echo "${0##*/}: missing project base directory" >&2 ; print_hint ; exit 1
-elif [[ $BASEDIR != /* ]]
-then
+elif [[ $BASEDIR != /* ]] ; then
     BASEDIR=$(cd "$BASEDIR" && pwd)
 fi
 
 PACKAGENAME=${PACKAGENAME:-${BASEDIR##*/}}
 PACKAGENAME=`echo $PACKAGENAME | tr - _`
 TARGETDIR=$BASEDIR/$PACKAGENAME
-if ! [ -d $TARGETDIR ]
-then
+if ! [ -d $TARGETDIR ] ; then
     echo "${0##*/}: invalid project package name" >&2 ; print_hint ; exit 1
 fi
 
 OUTPUTDIR=${OUTPUTDIR:-$BASEDIR/etc}
 # NOTE(bnemec): Some projects put their sample config in etc/,
 #               some in etc/$PACKAGENAME/
-if [ -d $OUTPUTDIR/$PACKAGENAME ]
-then
+if [ -d $OUTPUTDIR/$PACKAGENAME ] ; then
     OUTPUTDIR=$OUTPUTDIR/$PACKAGENAME
-elif ! [ -d $OUTPUTDIR ]
-then
+elif ! [ -d $OUTPUTDIR ] ; then
     echo "${0##*/}: cannot access \`$OUTPUTDIR': No such file or directory" >&2
     exit 1
 fi
@@ -91,8 +89,7 @@ FILES=$(find $TARGETDIR -type f -name "*.py" ! -path "*/tests/*" ! -path "*/nova
         -exec grep -l "Opt(" {} + | sed -e "s/^$BASEDIRESC\///g" | sort -u)
 
 RC_FILE="`dirname $0`/oslo.config.generator.rc"
-if test -r "$RC_FILE"
-then
+if test -r "$RC_FILE" ; then
     source "$RC_FILE"
 fi
 

tools/run_bashate.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# Ignoring E003(Indent not multiple of 4)
+# Ignoring E006(Line longer than 79 characters)
+
+find  "$@"  -not \( -type d -name .?\* -prune \)                    \
+            -type f                                                 \
+            \(                                                      \
+                -name \*.sh                                         \
+            \)                                                      \
+           -print0 | xargs -0 bashate -v -iE003,E006 -eE005,E042

tox.ini

@@ -26,8 +26,12 @@ setenv =
 commands = ostestr {posargs}
 
 [testenv:pep8]
+whitelist_externals = bash
 commands =
   flake8 {posargs:ironic_python_agent imagebuild}
+  # Run bashate during pep8 runs to ensure violations are caught by
+  # the check and gate queues.
+  {toxinidir}/tools/run_bashate.sh {toxinidir}
   doc8 doc/source README.rst
 
 [testenv:cover]