Add support for Debian 8 in GCE.

Add support for GPT disks.
Change the default block scheduler to noop for improved performance.

bootstrapvz/providers/gce/manifest-schema.yml

@@ -26,4 +26,5 @@ properties:
           type:
             enum:
             - msdos
+            - gpt
     required: [partitions]

bootstrapvz/providers/gce/tasks/boot.py

@@ -13,5 +13,5 @@ class ConfigureGrub(Task):
 	def run(cls, info):
 		from bootstrapvz.common.tools import sed_i
 		grub_config = os.path.join(info.root, 'etc/default/grub')
-		sed_i(grub_config, r'^(GRUB_CMDLINE_LINUX*=".*)"\s*$', r'\1console=ttyS0,38400n8"')
+		sed_i(grub_config, r'^(GRUB_CMDLINE_LINUX*=".*)"\s*$', r'\1console=ttyS0,38400n8 elevator=noop"')
 		sed_i(grub_config, r'^.*(GRUB_TIMEOUT=).*$', r'GRUB_TIMEOUT=0')

bootstrapvz/providers/gce/tasks/packages.py

@@ -1,6 +1,7 @@
 from bootstrapvz.base import Task
 from bootstrapvz.common import phases
 from bootstrapvz.common.tasks import apt
+from bootstrapvz.common.tools import config_get
 import logging
 import os
 
@@ -22,7 +23,6 @@ class DefaultPackages(Task):
 		info.packages.add('ca-certificates')
 
 		kernel_packages_path = os.path.join(os.path.dirname(__file__), 'packages-kernels.yml')
-		from bootstrapvz.common.tools import config_get
 		kernel_package = config_get(kernel_packages_path, [info.manifest.release.codename,
 		                                                   info.manifest.system['architecture']])
 		info.packages.add(kernel_package)
@@ -36,7 +36,9 @@ class ReleasePackages(Task):
 	@classmethod
 	def run(cls, info):
 		# Add release-specific packages, if available.
-		if info.source_lists.target_exists('wheezy-backports'):
+		if (info.source_lists.target_exists('wheezy-backports') or
+		        info.source_lists.target_exists('jessie') or
+		        info.source_lists.target_exists('jessie-backports')):
 			info.packages.add('cloud-initramfs-growroot')
 		else:
 			msg = ('No release-specific packages found for {system.release}').format(**info.manifest_vars)

manifests/gce-jessie-backports.manifest.yml

@@ -0,0 +1,33 @@
+---
+provider:
+  name: gce
+bootstrapper:
+  workspace: /target
+image:
+  name: disk
+  description: Debian {system.release} {system.architecture}
+system:
+  release: jessie
+  architecture: amd64
+  bootloader: grub
+  charmap: UTF-8
+  locale: en_US
+  timezone: UTC
+volume:
+  backing: raw
+  partitions:
+    type: msdos
+    root:
+      filesystem: ext4
+      size: 10GiB
+packages:
+  mirror: http://gce_debian_mirror.storage.googleapis.com/
+  components:
+  - main
+  - contrib
+  - non-free
+plugins:
+  google_cloud_sdk: {}
+  ntp:
+    servers:
+    - metadata.google.internal

manifests/gce-jessie.manifest.yml

@@ -0,0 +1,33 @@
+---
+provider:
+  name: gce
+bootstrapper:
+  workspace: /target
+image:
+  name: disk
+  description: Debian {system.release} {system.architecture}
+system:
+  release: jessie
+  architecture: amd64
+  bootloader: grub
+  charmap: UTF-8
+  locale: en_US
+  timezone: UTC
+volume:
+  backing: raw
+  partitions:
+    type: msdos
+    root:
+      filesystem: ext4
+      size: 10GiB
+packages:
+  mirror: http://gce_debian_mirror.storage.googleapis.com/
+  components:
+  - main
+  - contrib
+  - non-free
+plugins:
+  google_cloud_sdk: {}
+  ntp:
+    servers:
+    - metadata.google.internal