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From: Stanislaw Kardach <stanislaw.kardach@caviumnetworks.com>
Date: Tue, 15 Mar 2016 15:01:34 +0100
Subject: [PATCH] upload_cirros: Add direct kernel boot support.

AArch64 currently only supports direct kernel boot, so add the
functionality of uploading and connecting kernel and initramfs
images (disk formats `AKI` and `ARI`).

Signed-off-by: Stanislaw Kardach <stanislaw.kardach@cavium.com>
---
 .../osnailyfacter/modular/astute/upload_cirros.rb  | 52 +++++++++++++++++++++-
 1 file changed, 50 insertions(+), 2 deletions(-)

diff --git a/deployment/puppet/osnailyfacter/modular/astute/upload_cirros.rb b/deployment/puppet/osnailyfacter/modular/astute/upload_cirros.rb
index f0441b0..a619f3f 100755
--- a/deployment/puppet/osnailyfacter/modular/astute/upload_cirros.rb
+++ b/deployment/puppet/osnailyfacter/modular/astute/upload_cirros.rb
@@ -56,7 +56,7 @@ def image_list
     fields = line.split('|').map { |f| f.chomp.strip }
     next if fields[1] == 'ID'
     next unless fields[2]
-    images << {fields[2] => fields[6]}
+    images << {fields[2] => { :id => fields[1], :status => fields[6]}}
   end
   {:images => images, :exit_code => return_code}
 end
@@ -78,6 +78,15 @@ EOF
   [ stdout, return_code ]
 end
 
+# Calls glance update-image with a given property and value
+def update_image(image_id, property, value)
+  command = "/usr/bin/openstack image set --property #{property}=#{value} #{image_id}"
+  puts command
+  stdout = `#{command}`
+  return_code = $?.exitstatus
+  [ stdout, return_code ]
+end
+
 # check if Glance is online
 # waited until the glance is started because when vCenter used as a glance
 # backend launch may takes up to 1 minute.
@@ -133,7 +142,7 @@ end
 # return true if image has been uploaded and active
 def check_image(image)
   list_of_images = image_list
-  if list_of_images[:exit_code] == 0 && list_of_images[:images].include?(image['img_name'] => "active")
+  if list_of_images[:exit_code] == 0 && list_of_images[:images].select { |k,v| k == image['img_name'] and v[:status] == "active" }
     return true
   end
   return false
@@ -157,6 +166,43 @@ def delete_image(image_name)
   [ stdout, return_code ]
 end
 
+# For each disk image try to find a kernel and initramfs images and
+# attach then to it via kernel_id and ramdisk_id glance properties.
+def connect_dependant_images(images)
+  # for each image
+  # get image id from glance
+  img_list = image_list
+  return_code = img_list[:exit_code]
+  if return_code == 0
+    images.each do |image|
+      img_list[:images].each do |k,v|
+        if k == image['img_name']
+          image['id'] = v[:id]
+        end
+      end
+    end
+    # for each image that is not in [aki, ari]
+    images.each do |image|
+      next if ['aki', 'ari'].include?(image['disk_format'])
+      images.each do |i|
+        # find aki/ari image whose name starts with this image's name
+        if i['img_name'].start_with?(image['img_name'])
+          ret = 0
+          if i['disk_format'] == 'aki'
+            _, ret = update_image(image['id'], 'property',
+                                        "kernel_id=#{i['id']}")
+          elsif i['disk_format'] == 'ari'
+            _, ret = update_image(image['id'], 'property',
+                                        "ramdisk_id=#{i['id']}")
+          end
+          return_code += ret
+        end
+      end
+    end
+  end
+  return return_code
+end
+
 ########################
 
 wait_for_glance
@@ -180,6 +226,8 @@ if errors > 0
     cleanup_image(image)
   end
   exit 1
+elsif connect_dependant_images(test_vm_images) > 0
+  exit 2
 end

 exit 0