refactored kvm_package to vmtools

fdroidserver/vmtools.py

@@ -16,7 +16,11 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from os import remove as rmfile
 from os.path import isdir, isfile, join as joinpath, basename, abspath
+import math
+import json
+import tarfile
 import time
 import shutil
 import vagrant
@@ -125,6 +129,9 @@ class FDroidBuildVm():
         except subprocess.CalledProcessError as e:
             logger.debug('pruning global vagrant status failed: %s', e)
 
+    def package(self, output=None, keep_box_file=None):
+        self.vgrnt.package(output=output)
+
 
 class LibvirtBuildVm(FDroidBuildVm):
     def __init__(self, srvdir):
@@ -160,6 +167,69 @@ class LibvirtBuildVm(FDroidBuildVm):
         except subprocess.CalledProcessError as e:
             logger.info("could not undefine libvirt domain '%s': %s", self.srvname, e)
 
+    def package(self, output=None, keep_box_file=False):
+        if not output:
+            output = "buildserver.box"
+            logger.debug('no output name set for packaging \'%s\',' +
+                         'defaulting to %s', self.srvname, output)
+        import libvirt
+        virConnect = libvirt.open('qemu:///system')
+        storagePool = virConnect.storagePoolLookupByName('default')
+        if storagePool:
+
+            if isfile('metadata.json'):
+                rmfile('metadata.json')
+            if isfile('Vagrantfile'):
+                rmfile('Vagrantfile')
+            if isfile('box.img'):
+                rmfile('box.img')
+
+            vol = storagePool.storageVolLookupByName(self.srvname + '.img')
+            imagepath = vol.path()
+            # TODO use a libvirt storage pool to ensure the img file is readable
+            subprocess.check_call(['sudo', '/bin/chmod', '-R', 'a+rX', '/var/lib/libvirt/images'])
+            shutil.copy2(imagepath, 'box.img')
+            subprocess.check_call(['qemu-img', 'rebase', '-p', '-b', '', 'box.img'])
+            img_info_raw = subprocess.check_output('sudo qemu-img info --output=json box.img', shell=True)
+            img_info = json.loads(img_info_raw.decode('utf-8'))
+            metadata = {"provider": "libvirt",
+                        "format": img_info['format'],
+                        "virtual_size": math.ceil(img_info['virtual-size'] / (1024. ** 3)) + 1,
+                        }
+
+            vagrantfile = """Vagrant.configure("2") do |config|
+  config.ssh.username = "vagrant"
+  config.ssh.password = "vagrant"
+
+  config.vm.provider :libvirt do |libvirt|
+
+    libvirt.driver = "kvm"
+    libvirt.host = ""
+    libvirt.connect_via_ssh = false
+    libvirt.storage_pool_name = "default"
+
+  end
+end
+"""
+            with open('metadata.json', 'w') as fp:
+                fp.write(json.dumps(metadata))
+            with open('Vagrantfile', 'w') as fp:
+                fp.write(vagrantfile)
+            with tarfile.open(output, 'w:gz') as tar:
+                tar.add('metadata.json')
+                tar.add('Vagrantfile')
+                tar.add('box.img')
+
+            if not keep_box_file:
+                logger.debug('box packaging complete, removing temporary files.')
+                rmfile('metadata.json')
+                rmfile('Vagrantfile')
+                rmfile('box.img')
+
+        else:
+            logger.warn('could not connect to storage-pool \'default\',' +
+                        'skipping packaging buildserver box')
+
 
 class VirtualboxBuildVm(FDroidBuildVm):
     pass

makebuildserver

@@ -4,15 +4,12 @@ import os
 import pathlib
 import re
 import requests
-import shutil
 import stat
 import sys
 import subprocess
-import tarfile
 import vagrant
 import hashlib
 import yaml
-import math
 import json
 import logging
 from clint.textui import progress
@@ -322,70 +319,6 @@ def sha256_for_file(path):
         return s.hexdigest()
 
 
-def kvm_package(boxfile):
-    '''
-    Hack to replace missing `vagrant package` for kvm, based  on the script
-    `tools/create_box.sh from vagrant-libvirt
-    '''
-    import libvirt
-    virConnect = libvirt.open('qemu:///system')
-    storagePool = virConnect.storagePoolLookupByName('default')
-    if storagePool:
-
-        if os.path.isfile('metadata.json'):
-            os.remove('metadata.json')
-        if os.path.isfile('Vagrantfile'):
-            os.remove('Vagrantfile')
-        if os.path.isfile('box.img'):
-            os.remove('box.img')
-
-        vol = storagePool.storageVolLookupByName(config['domain'] + '.img')
-        imagepath = vol.path()
-        # TODO use a libvirt storage pool to ensure the img file is readable
-        subprocess.check_call(['sudo', '/bin/chmod', '-R', 'a+rX', '/var/lib/libvirt/images'])
-        shutil.copy2(imagepath, 'box.img')
-        subprocess.check_call(['qemu-img', 'rebase', '-p', '-b', '', 'box.img'])
-        img_info_raw = subprocess.check_output('sudo qemu-img info --output=json box.img', shell=True)
-        img_info = json.loads(img_info_raw.decode('utf-8'))
-        metadata = {"provider": "libvirt",
-                    "format": img_info['format'],
-                    "virtual_size": math.ceil(img_info['virtual-size'] / 1024. ** 3),
-                    }
-
-        vagrantfile = """Vagrant.configure("2") do |config|
-  config.ssh.username = "vagrant"
-  config.ssh.password = "vagrant"
-
-  config.vm.provider :libvirt do |libvirt|
-
-    libvirt.driver = "kvm"
-    libvirt.host = ""
-    libvirt.connect_via_ssh = false
-    libvirt.storage_pool_name = "default"
-
-  end
-end
-"""
-
-        with open('metadata.json', 'w') as fp:
-            fp.write(json.dumps(metadata))
-        with open('Vagrantfile', 'w') as fp:
-            fp.write(vagrantfile)
-        with tarfile.open(boxfile, 'w:gz') as tar:
-            tar.add('metadata.json')
-            tar.add('Vagrantfile')
-            tar.add('box.img')
-        if not options.keep_box_file:
-            logger.debug('box packaging complete, removing temporary files.')
-            os.remove('metadata.json')
-            os.remove('Vagrantfile')
-            os.remove('box.img')
-
-    else:
-        logger.warn('could not connect to storage-pool \'default\',' +
-                    'skipping packaging buildserver box')
-
-
 def run_via_vagrant_ssh(v, cmdlist):
     if (isinstance(cmdlist, str) or isinstance(cmdlist, bytes)):
         cmd = cmdlist
@@ -551,9 +484,6 @@ def main():
     logger.info("Configuring build server VM")
     debug_log_vagrant_vm(serverdir, config['domain'])
     try:
-        try:
-            v.up(provision=True)
-        except subprocess.CalledProcessError as e:
         v.up(provision=True)
     except subprocess.CalledProcessError as e:
         debug_log_vagrant_vm(serverdir, config['domain'])
@@ -595,14 +525,15 @@ def main():
     if os.path.exists(boxfile):
         os.remove(boxfile)
 
-    if config['vm_provider'] == 'libvirt':
-        kvm_package(boxfile)
-    else:
-        v.package(output=boxfile)
+    vm.package(output=boxfile, debug_keep_box_file=options.debug_keep_box_file)
 
     logger.info("Adding box")
     v.box_add('buildserver', boxfile, force=True)
 
+    if not 'buildserver' in subprocess.check_output(['vagrant', 'box', 'list']).decode('utf-8'):
+        logger.critical('could not add box \'%s\' as \'buildserver\', terminating', boxfile)
+        sys.exit(1)
+
     if not options.keep_box_file:
         logger.debug('box added to vagrant, ' +
                      'removing generated box file \'%s\'',