stackenv: Run through shellcheck, enable verbosity

Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

script/stackenv

@@ -1,35 +1,60 @@
+#!/usr/bin/env bash
+
 # Prep the testing environment by creating the required testing resources and
 # environment variables. This env is for CI jobs so you might need to modify
 # this according to your setup
 
+set -euxo pipefail
+
 DEVSTACK_PATH=${DEVSTACK_PATH:-/opt/stack/new/devstack}
-pushd $DEVSTACK_PATH
+
+pushd "$DEVSTACK_PATH"
+
+set +u
+# shellcheck disable=SC1091
 source openrc admin admin
-openstack flavor create m1.acctest --id 99 --ram 512 --disk 10 --vcpu 1 --ephemeral 10
-openstack flavor create m1.resize --id 98 --ram 512 --disk 11 --vcpu 1 --ephemeral 10
+set -u
+
+_FLAVOR_ID=99
+_FLAVOR_ALT_ID=98
+openstack flavor create m1.acctest --id "$_FLAVOR_ID" --ram 512 --disk 10 --vcpu 1 --ephemeral 10
+openstack flavor create m1.resize --id "$_FLAVOR_ALT_ID" --ram 512 --disk 11 --vcpu 1 --ephemeral 10
 openstack keypair create magnum
 _NETWORK_ID=$(openstack network show private -c id -f value)
 _SUBNET_ID=$(openstack subnet show private-subnet -c id -f value)
 _EXTGW_ID=$(openstack network show public -c id -f value)
 _IMAGE=$(openstack image list | grep -i cirros | head -n 1)
-_IMAGE_ID=$(echo $_IMAGE | awk -F\| '{print $2}' | tr -d ' ')
-_IMAGE_NAME=$(echo $_IMAGE | awk -F\| '{print $3}' | tr -d ' ')
-_MAGNUM_IMAGE_ID=$(openstack image list --format value -c Name -c ID | grep coreos | cut -d ' ' -f 1)
-if [ -z "$_MAGNUM_IMAGE_ID" ]; then
+_IMAGE_ID=$(echo "$_IMAGE" | awk -F\| '{print $2}' | tr -d ' ')
+_IMAGE_NAME=$(echo "$_IMAGE" | awk -F\| '{print $3}' | tr -d ' ')
+
+cat > "openrc" <<EOL
+export OS_IMAGE_NAME="$_IMAGE_NAME"
+export OS_IMAGE_ID="$_IMAGE_ID"
+export OS_NETWORK_ID="$_NETWORK_ID"
+export OS_SUBNET_ID="$_SUBNET_ID"
+export OS_EXTGW_ID="$_EXTGW_ID"
+export OS_POOL_NAME="public"
+export OS_FLAVOR_ID="$_FLAVOR_ID"
+export OS_FLAVOR_ID_RESIZE="$_FLAVOR_ALT_ID"
+export OS_DOMAIN_ID=default
+EOL
+
+if _=$(openstack service list | grep container-infra); then
+    _MAGNUM_IMAGE_ID=$(openstack image list --format value -c Name -c ID | grep coreos | cut -d ' ' -f 1)
+    if [ -z "$_MAGNUM_IMAGE_ID" ]; then
         _MAGNUM_IMAGE_ID=$(openstack image list --format value -c Name -c ID | grep -i atomic | cut -d ' ' -f 1)
+    fi
+    cat >> "openrc" <<EOL
+export OS_MAGNUM_IMAGE_ID="$_MAGNUM_IMAGE_ID"
+export OS_MAGNUM_KEYPAIR=magnum
+EOL
 fi
-echo export OS_IMAGE_NAME="$_IMAGE_NAME" >> openrc
-echo export OS_IMAGE_ID="$_IMAGE_ID" >> openrc
-echo export OS_NETWORK_ID="$_NETWORK_ID" >> openrc
-echo export OS_SUBNET_ID="$_SUBNET_ID" >> openrc
-echo export OS_EXTGW_ID="$_EXTGW_ID" >> openrc
-echo export OS_POOL_NAME="public" >> openrc
-echo export OS_FLAVOR_ID=99 >> openrc
-echo export OS_FLAVOR_ID_RESIZE=98 >> openrc
-echo export OS_DOMAIN_ID=default >> openrc
-echo export OS_MAGNUM_IMAGE_ID="$_MAGNUM_IMAGE_ID" >> openrc
-echo export OS_MAGNUM_KEYPAIR=magnum >> openrc
+
+set +u
+# shellcheck disable=SC1091
 source openrc admin admin
+set -u
+
 if [[ "${OS_SYSTEM_SCOPE:-}" == "all" ]]; then
     unset PROJECT_NAME
     unset TENANT_NAME