Discover executables location and use conditionally

Depending on OpenStack release, the location IPA and pip installations
is different. This commit aims to detect the location and use it automatically.

83fe980 3805e78

Co-authored-by: Michał Nasiadka <michal@stackhpc.com>
Co-authored-by: Bartosz Bezak <bartosz@stackhpc.com>
Co-authored-by: Doug Szumski <doug@stackhpc.com>

Author: 4 people

elements/ipa-extra-hardware/install.d/61-ipa-extra-hardware

@@ -6,17 +6,29 @@ fi
 set -eu
 set -o pipefail
 
-IPADIR=/usr/share/ironic-python-agent
 PACKAGE=${DIB_IPA_HARDWARE_PACKAGE:-hardware${DIB_IPA_HARDWARE_VERSION:+==}${DIB_IPA_HARDWARE_VERSION:-}}
 
-# Install the python hardware package inside the virtual environment.
-$IPADIR/venv/bin/pip install -c $IPADIR/upper-constraints.txt $PACKAGE
+if [[ -d /usr/share/ironic-python-agent ]]; then
+    IPADIR=/usr/share/ironic-python-agent
+else
+    IPADIR=/opt/ironic-python-agent
+fi
+
+if [[ -d "$IPADIR/venv" ]]; then
+    $IPADIR/venv/bin/pip install -c $IPADIR/upper-constraints.txt $PACKAGE
+else
+    $IPADIR/bin/pip install -c /tmp/requirements/upper-constraints.txt $PACKAGE
+fi
 
 # Because the ironic-python-agent systemd unit does not activate the virtualenv
 # before executing the ironic-python-agent script, the PATH is not updated to
 # point to the bin directory in the virtual environment. We add this symlink so
 # that ironic-python-agent sees the hardware-detect tool in its PATH.
-ln -s $IPADIR/venv/bin/hardware-detect /usr/local/bin/hardware-detect
+if [[ -d "$IPADIR/venv" ]]; then
+    ln -s $IPADIR/venv/bin/hardware-detect /usr/local/bin/hardware-detect
+else
+    ln -s $IPADIR/bin/hardware-detect /usr/local/bin/hardware-detect
+fi
 
 # Install additional packages as requested.
 if [[ -n ${DIB_IPA_EXTRA_HARDWARE_PACKAGES:-} ]]; then