#!/bin/bash
# os-glance-swift-crosscheck.sh, ABr, 20141021
# Review all images in glance against swift

# get all images in swift
l_swift_images=$(swift --os-tenant-name=service list glance | cut -d'-' -f 1-5 | uniq)

# headings
echo "Orphan|Tenant|Name|Size|Status|Deleted|Is_Public|Protected"

# step over glance and find status
l_tmp="/tmp/os-glance-swift-crosscheck.$$"
for i in $l_swift_images; do
  # initialize variables
  l_image_is_orphan='True'
  l_image_deleted='[n/a]'
  l_image_is_public='[n/a]'
  l_image_name='[n/a]'
  l_image_owner='[n/a]'
  l_image_protected='[n/a]'
  l_image_size='[n/a]'
  l_image_status='[n/a]'
  l_image_tenant='[n/a]'

  # get info
  if glance image-show $i > $l_tmp 2>/dev/null; then
    # extract what we want
    l_image_is_orphan='False'
    l_image_deleted=$(cat $l_tmp | grep -e "^| deleted " | cut -d'|' -f 3 | sed -e 's#^ \+##; s#[ \t]*$##' 2>&1)
    l_image_is_public=$(cat $l_tmp | grep -e "^| is_public " | cut -d'|' -f 3 | sed -e 's#^ \+##; s#[ \t]*$##' 2>&1)
    l_image_name=$(cat $l_tmp | grep -e "^| name " | cut -d'|' -f 3 | sed -e 's#^ \+##; s#[ \t]*$##' 2>&1)
    l_image_owner=$(cat $l_tmp | grep -e "^| owner " | cut -d'|' -f 3 | sed -e 's#^ \+##; s#[ \t]*$##' 2>&1)
    l_image_protected=$(cat $l_tmp | grep -e "^| protected " | cut -d'|' -f 3 | sed -e 's#^ \+##; s#[ \t]*$##' 2>&1)
    l_image_size=$(cat $l_tmp | grep -e "^| size " | cut -d'|' -f 3 | sed -e 's#^ \+##; s#[ \t]*$##' 2>&1)
    l_image_status=$(cat $l_tmp | grep -e "^| status " | cut -d'|' -f 3 | sed -e 's#^ \+##; s#[ \t]*$##' 2>&1)

    # get the tenant
    if [ -n "$l_image_owner" ]; then
      # do this way to prevent error messages
      keystone tenant-get $l_image_owner 2>/dev/null >$l_tmp
      l_rc=$?
      if [ $l_rc -eq 0 ]; then
        # the tenant is valid; get the name
        l_image_tenant=$(cat $l_tmp  | grep -e "^| \+name " | cut -d'|' -f 3 | sed -e 's#^ \+##; s#[ \t]*$##' 2>&1)
      else
        # we have an orphan; project not found
        l_image_is_orphan='True'
        l_image_tenant="[n/a] ($l_image_owner)"
      fi
    else
      l_image_tenant="none ([n/a])"
    fi
  fi

  # show the line
  echo "$l_image_is_orphan|$l_image_tenant ($l_image_owner)|$l_image_name ($i)|$l_image_size|$l_image_status|$l_image_deleted|$l_image_is_public|$l_image_protected"
done
rm -f $l_tmp