Look for diskimage-builder not dib-utils when building amps

Also ignore E402 and W503 pep8 issues

Change-Id: I7937d0a21c7a748cd682511bd429de8cf0ffe498

devstack/plugin.sh

@@ -10,8 +10,6 @@ function octavia_install {
     if [ $OCTAVIA_NODE == 'main' ] || [ $OCTAVIA_NODE == 'standalone' ] ; then
         if ! [ "$DISABLE_AMP_IMAGE_BUILD" == 'True' ]; then
             install_package qemu kpartx
-            git_clone $DISKIMAGE_BUILDER_REPO $DISKIMAGE_BUILDER_DIR $DISKIMAGE_BUILDER_BRANCH
-            sudo -H -E pip install -r $DEST/diskimage-builder/requirements.txt
         fi
     fi
 }

diskimage-create/README.rst

@@ -14,29 +14,15 @@ Prerequisites
 This script assumes a typical Linux environment and was developed on
 Ubuntu 12.04.5 LTS.
 
-Python pip should be installed as well as the following python modules:
-
- | argparse
- | Babel>=1.3
- | dib-utils
- | PyYAML
+Python pip should be installed as well as the python modules found in the
+requirements.txt file.
 
 Your cache directory should have at least 1GB available, the working directory
 will need ~1.5GB, and your image destination will need ~500MB
 
-The script expects to find the diskimage-builder git repository one
-directory above the Octavia git repository.
+The script will use the version of diskimage-builder installed on your system,
+or it can be overridden by setting the following environment variables:
 
- | /<some directory>/octavia
- | /<some directory>/diskimage-builder
-
- | cd /<some directory>
- | git clone https://github.com/openstack/octavia.git
- | git clone https://git.openstack.org/openstack/diskimage-builder.git
-
-These paths can be overridden with the following environment variables:
-
- | OCTAVIA_REPO_PATH = /<some directory>/octavia
  | DIB_REPO_PATH = /<some directory>/diskimage-builder
  | DIB_ELEMENTS = /<some directory>/diskimage-builder/elements
 

diskimage-create/diskimage-create.sh

@@ -296,25 +296,6 @@ else
         fi
 fi
 
-# pip may not be installed from package managers
-# only check that we find an executable
-if ! which pip &> /dev/null; then
-    echo "Required executable pip not found.  Exiting."
-    exit 1
-fi
-
-# "pip freeze" does not show argparse, even if it is explicitly installed,
-# because it is part of the standard python library in 2.7.
-# See https://github.com/pypa/pip/issues/1570
-
-PKG_LIST="Babel dib-utils PyYAML"
-    for pkg in $PKG_LIST; do
-        if ! pip freeze 2>/dev/null| grep -q "^$pkg==" &>/dev/null; then
-            echo "Required python package " $pkg " is not installed.  Exiting."
-            exit 1
-        fi
-    done
-
 if  [ "$AMP_WORKING_DIR" ]; then
     mkdir -p $AMP_WORKING_DIR
     TEMP=$(mktemp -d $AMP_WORKING_DIR/diskimage-create.XXXXXX)

diskimage-create/requirements.txt

@@ -1,4 +1,4 @@
 Babel>=1.3
-dib-utils
+diskimage-builder
 PyYAML
 six>=1.9.0

requirements.txt

@@ -36,6 +36,7 @@ pyOpenSSL>=0.14 # Apache-2.0
 WSME>=0.8 # MIT
 Jinja2!=2.9.0,!=2.9.1,!=2.9.2,!=2.9.3,!=2.9.4,>=2.8 # BSD License (3 clause)
 taskflow>=2.7.0 # Apache-2.0
+diskimage-builder>=1.1.2,!=1.6.0,!=1.7.0,!=1.7.1  # Apache-2.0
 
 #for the amphora api
 Flask!=0.11,<1.0,>=0.10 # BSD

tox.ini

@@ -100,7 +100,7 @@ commands = bandit -r octavia -ll -ii -x octavia/tests {posargs}
 [flake8]
 # Ignoring O321 because it's unnecessarily restricting use of json package.
 # jsonutils version doesn't add additional value
-ignore = O321
+ignore = O321,E402,W503
 show-source = true
 builtins = _
 exclude = .venv,.git,.tox,dist,doc,*lib/python*,*egg,build