kamp/fdroidserver
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added libvirt vm-provider support to build.py

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This commit is contained in:
Michael Pöhn 2017-02-23 05:51:05 +01:00 committed by Hans-Christoph Steiner
parent 69e4b91d3f
commit fa2d44ee94
1 changed files with 63 additions and 25 deletions
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84
fdroidserver/build.py
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@ -46,12 +46,21 @@ except ImportError:
pass
def get_builder_vm_id():
def get_vm_provider():
"""Determine vm provider based on .vagrant directory content
"""
if os.path.exists(os.path.join('builder', '.vagrant', 'machines',
'default', 'libvirt')):
return 'libvirt'
return 'virtualbox'
def get_builder_vm_id(provider):
vd = os.path.join('builder', '.vagrant')
if os.path.isdir(vd):
# Vagrant 1.2 (and maybe 1.1?) it's a directory tree...
with open(os.path.join(vd, 'machines', 'default',
'virtualbox', 'id')) as vf:
provider, 'id')) as vf:
id = vf.read()
return id
else:
@ -61,7 +70,7 @@ def get_builder_vm_id():
return v['active']['default']
def got_valid_builder_vm():
def got_valid_builder_vm(provider):
"""Returns True if we have a valid-looking builder vm
"""
if not os.path.exists(os.path.join('builder', 'Vagrantfile')):
@ -74,7 +83,7 @@ def got_valid_builder_vm():
return True
# Vagrant 1.2 - the directory can exist, but the id can be missing...
if not os.path.exists(os.path.join(vd, 'machines', 'default',
'virtualbox', 'id')):
provider, 'id')):
return False
return True
@ -117,6 +126,44 @@ def get_vagrant_sshinfo():
'idfile': idfile}
def vm_snapshot_list(provider):
if provider is 'virtualbox':
p = FDroidPopen(['VBoxManage', 'snapshot',
get_builder_vm_id(provider), 'list',
'--details'], cwd='builder')
elif provider is 'libvirt':
p = FDroidPopen(['virsh', 'snapshot-list',
get_builder_vm_id(provider)])
return p.output
def vm_snapshot_clean_available(provider):
return 'fdroidclean' in vm_snapshot_list(provider)
def vm_snapshot_restore(provider):
"""Does a rollback of the build vm.
"""
if provider is 'virtualbox':
p = FDroidPopen(['VBoxManage', 'snapshot',
get_builder_vm_id(provider), 'restore',
'fdroidclean'], cwd='builder')
elif provider is 'libvirt':
p = FDroidPopen(['virsh', 'snapshot-revert',
get_builder_vm_id(provider), 'fdroidclean'])
return p.returncode == 0
def vm_snapshot_create(provider):
if provider is 'virtualbox':
p = FDroidPopen(['VBoxManage', 'snapshot',
get_builder_vm_id(provider),
'take', 'fdroidclean'], cwd='builder')
elif provider is 'libvirt':
p = FDroidPopen(['virsh', 'snapshot-create-as',
get_builder_vm_id(provider), 'fdroidclean'])
return p.returncode != 0
def get_clean_vm(reset=False):
"""Get a clean VM ready to do a buildserver build.
@ -130,17 +177,16 @@ def get_clean_vm(reset=False):
:returns: A dictionary containing 'hostname', 'port', 'user'
and 'idfile'
"""
provider = get_vm_provider()
# Reset existing builder machine to a clean state if possible.
vm_ok = False
if not reset:
logging.info("Checking for valid existing build server")
if got_valid_builder_vm():
logging.info("...VM is present")
p = FDroidPopen(['VBoxManage', 'snapshot',
get_builder_vm_id(), 'list',
'--details'], cwd='builder')
if 'fdroidclean' in p.output:
if got_valid_builder_vm(provider):
logging.info("...VM is present (%s)" % provider)
if vm_snapshot_clean_available(provider):
logging.info("...snapshot exists - resetting build server to "
"clean state")
retcode, output = vagrant(['status'], cwd='builder')
@ -150,11 +196,8 @@ def get_clean_vm(reset=False):
vagrant(['suspend'], cwd='builder')
logging.info("...waiting a sec...")
time.sleep(10)
p = FDroidPopen(['VBoxManage', 'snapshot', get_builder_vm_id(),
'restore', 'fdroidclean'],
cwd='builder')
if p.returncode == 0:
if vm_snapshot_restore(provider):
logging.info("...reset to snapshot - server is valid")
retcode, output = vagrant(['up'], cwd='builder')
if retcode != 0:
@ -167,7 +210,8 @@ def get_clean_vm(reset=False):
logging.info("...failed to reset to snapshot")
else:
logging.info("...snapshot doesn't exist - "
"VBoxManage snapshot list:\n" + p.output)
"VBoxManage snapshot list:\n" +
vm_snapshot_list(provider))
# If we can't use the existing machine for any reason, make a
# new one from scratch.
@ -213,10 +257,7 @@ def get_clean_vm(reset=False):
raise BuildException("Failed to suspend build server")
logging.info("...waiting a sec...")
time.sleep(10)
p = FDroidPopen(['VBoxManage', 'snapshot', get_builder_vm_id(),
'take', 'fdroidclean'],
cwd='builder')
if p.returncode != 0:
if vm_snapshot_create(provider):
raise BuildException("Failed to take snapshot")
logging.info("...waiting a sec...")
time.sleep(10)
@ -227,10 +268,7 @@ def get_clean_vm(reset=False):
logging.info("...waiting a sec...")
time.sleep(10)
# Make sure it worked...
p = FDroidPopen(['VBoxManage', 'snapshot', get_builder_vm_id(),
'list', '--details'],
cwd='builder')
if 'fdroidclean' not in p.output:
if not vm_snapshot_clean_available(provider):
raise BuildException("Failed to take snapshot.")
return sshinfo