コード例 #1
0
 def unmount_image(self, mount_point):
     utils.check_prerequisite_command('umount')
     if self.euca.debug:
         print 'Unmounting image...'
     subprocess.Popen(['umount', '-d', mount_point],
                      stdout=subprocess.PIPE).communicate()[0]
     os.rmdir(mount_point)
コード例 #2
0
ファイル: image.py プロジェクト: AsherBond/euca2ools
    def make_fs(self, image_path, fs_type = None, uuid = None, label = None):
        mkfs_prog = self.MAKEFS_CMD
        if fs_type:
            mkfs_prog = "mkfs.%s" % fs_type
        else:
            fs_type = "ext3"

        tunecmd = [ ]
        if fs_type.startswith("ext"):
            mkfs = [ mkfs_prog , '-F', image_path ]
            if uuid:
                tunecmd = [ 'tune2fs', '-U', uuid, image_path ]
            if label: mkfs.extend([ '-L', label ])
        elif fs_type == "xfs":
            mkfs = [ mkfs_prog , image_path ]
            if label: mkfs.extend([ '-L', label ])
            tunecmd = [ 'xfs_admin', '-U', uuid, image_path ]
        elif fs_type == "btrfs":
            if uuid: raise(UnsupportedException("btrfs with uuid not supported"))
            if label: mkfs.extend([ '-L', label ])
        else:
            raise(UnsupportedException("unsupported fs %s" % fs_type))

        utils.check_prerequisite_command(mkfs_prog)

        if self.debug:
            print 'Creating filesystem with %s' % mkfs

        makefs_cmd = subprocess.Popen(mkfs,subprocess.PIPE).communicate()[0]

        if len(tunecmd) > 0:
            utils.check_prerequisite_command(tunecmd[0])
            tune_cmd = subprocess.Popen(tunecmd,subprocess.PIPE).communicate()[0]
コード例 #3
0
ファイル: image.py プロジェクト: mantoun/euca2ools
    def make_fs(self, image_path, fs_type=None, uuid=None, label=None):
        mkfs_prog = self.MAKEFS_CMD
        if fs_type:
            mkfs_prog = "mkfs.%s" % fs_type
        else:
            fs_type = "ext3"

        tunecmd = []
        if fs_type.startswith("ext"):
            mkfs = [mkfs_prog, '-F', image_path]
            if uuid:
                tunecmd = ['tune2fs', '-U', uuid, image_path]
            if label: mkfs.extend(['-L', label])
        elif fs_type == "xfs":
            mkfs = [mkfs_prog, image_path]
            if label: mkfs.extend(['-L', label])
            tunecmd = ['xfs_admin', '-U', uuid, image_path]
        elif fs_type == "btrfs":
            if uuid:
                raise (UnsupportedException("btrfs with uuid not supported"))
            if label: mkfs.extend(['-L', label])
        else:
            raise (UnsupportedException("unsupported fs %s" % fs_type))

        utils.check_prerequisite_command(mkfs_prog)

        if self.debug:
            print 'Creating filesystem with %s' % mkfs

        makefs_cmd = subprocess.Popen(mkfs, subprocess.PIPE).communicate()[0]

        if len(tunecmd) > 0:
            utils.check_prerequisite_command(tunecmd[0])
            tune_cmd = subprocess.Popen(tunecmd,
                                        subprocess.PIPE).communicate()[0]
コード例 #4
0
ファイル: bundler.py プロジェクト: ahamilton55/euca2ools
 def unmount_image(self, mount_point):
     utils.check_prerequisite_command('umount')
     if self.euca.debug:
         print 'Unmounting image...'
     subprocess.Popen(['umount', '-d', mount_point],
                      stdout=subprocess.PIPE).communicate()[0]
     os.rmdir(mount_point)
コード例 #5
0
    def copy_to_image(self, mount_point, volume_path, excludes):
        try:
            utils.check_prerequisite_command('rsync')
        except NotFoundError:
            raise CopyError
        rsync_cmd = ['rsync', '-aXS']
        for exclude in excludes:
            rsync_cmd.append('--exclude')
            rsync_cmd.append(exclude)
        rsync_cmd.append(volume_path)
        rsync_cmd.append(mount_point)
        if self.euca.debug:
            print 'Copying files...'
            for exclude in excludes:
                print 'Excluding:', exclude

        pipe = subprocess.Popen(rsync_cmd,
                                stdout=subprocess.PIPE,
                                stderr=subprocess.PIPE)
        output = pipe.communicate()
        for dir in self.img.ESSENTIAL_DIRS:
            dir_path = os.path.join(mount_point, dir)
            if not os.path.exists(dir_path):
                os.mkdir(dir_path)
                if dir == 'tmp':
                    os.chmod(dir_path, 01777)
        self.img.make_essential_devs(mount_point)
        mtab_file = open('/etc/mtab', 'r')
        while 1:
            mtab_line = mtab_file.readline()
            if not mtab_line:
                break
            mtab_line_parts = mtab_line.split(' ')
            mount_location = mtab_line_parts[1]
            fs_type = mtab_line_parts[2]
            if fs_type == 'tmpfs':
                mount_location = mount_location[1:]
                dir_path = os.path.join(mount_point, mount_location)
                if not os.path.exists(dir_path):
                    if self.euca.debug:
                        print 'Making essential directory %s' \
                            % mount_location
                    os.makedirs(dir_path)
        mtab_file.close()
        if pipe.returncode:

            # rsync return code 23: Partial transfer due to error
            # rsync return code 24: Partial transfer due to vanished source files

            if pipe.returncode in (23, 24):
                print >> sys.stderr, 'Warning: rsync reports files partially copied:'
                print >> sys.stderr, output
            else:
                print >> sys.stderr, 'Error: rsync failed with return code %d' \
                    % pipe.returncode
                raise CopyError
コード例 #6
0
ファイル: bundler.py プロジェクト: ahamilton55/euca2ools
    def copy_to_image(self, mount_point, volume_path, excludes):
        try:
            utils.check_prerequisite_command('rsync')
        except NotFoundError:
            raise CopyError
        rsync_cmd = ['rsync', '-aXS']
        for exclude in excludes:
            rsync_cmd.append('--exclude')
            rsync_cmd.append(exclude)
        rsync_cmd.append(volume_path)
        rsync_cmd.append(mount_point)
        if self.euca.debug:
            print 'Copying files...'
            for exclude in excludes:
                print 'Excluding:', exclude

        pipe = subprocess.Popen(rsync_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        output = pipe.communicate()
        for dir in self.img.ESSENTIAL_DIRS:
            dir_path = os.path.join(mount_point, dir)
            if not os.path.exists(dir_path):
                os.mkdir(dir_path)
                if dir == 'tmp':
                    os.chmod(dir_path, 01777)
        self.img.make_essential_devs(mount_point)
        mtab_file = open('/etc/mtab', 'r')
        while 1:
            mtab_line = mtab_file.readline()
            if not mtab_line:
                break
            mtab_line_parts = mtab_line.split(' ')
            mount_location = mtab_line_parts[1]
            fs_type = mtab_line_parts[2]
            if fs_type == 'tmpfs':
                mount_location = mount_location[1:]
                dir_path = os.path.join(mount_point, mount_location)
                if not os.path.exists(dir_path):
                    if self.euca.debug:
                        print 'Making essential directory %s' \
                            % mount_location
                    os.makedirs(dir_path)
        mtab_file.close()
        if pipe.returncode:

            # rsync return code 23: Partial transfer due to error
            # rsync return code 24: Partial transfer due to vanished source files

            if pipe.returncode in (23, 24):
                print 'Warning: rsync reports files partially copied:'
                print output
            else:
                print 'Error: rsync failed with return code %d' \
                    % pipe.returncode
                raise CopyError
コード例 #7
0
    def mount_image(self, image_path):
        utils.check_prerequisite_command('mount')

        tmp_mnt_point = '/tmp/%s' % hex(BN.rand(16))[2:6]
        if not os.path.exists(tmp_mnt_point):
            os.makedirs(tmp_mnt_point)
        if self.euca.debug:
            print 'Creating loopback device...'
        loop_dev = self.create_loopback(image_path)
        if self.euca.debug:
            print 'Mounting image...'
        subprocess.Popen(['mount', loop_dev, tmp_mnt_point],
                         stdout=subprocess.PIPE).communicate()
        return (tmp_mnt_point, loop_dev)
コード例 #8
0
ファイル: bundler.py プロジェクト: ahamilton55/euca2ools
    def mount_image(self, image_path):
        utils.check_prerequisite_command('mount')

        tmp_mnt_point = '/tmp/%s' % hex(BN.rand(16))[2:6]
        if not os.path.exists(tmp_mnt_point):
            os.makedirs(tmp_mnt_point)
        if self.euca.debug:
            print 'Creating loopback device...'
        loop_dev = self.create_loopback(image_path)
        if self.euca.debug:
            print 'Mounting image...'
        subprocess.Popen(['mount', loop_dev, tmp_mnt_point],
              stdout=subprocess.PIPE).communicate()
        return (tmp_mnt_point, loop_dev)
コード例 #9
0
ファイル: bundler.py プロジェクト: ahamilton55/euca2ools
 def create_loopback(self, image_path):
     utils.check_prerequisite_command('losetup')
     tries = 0
     while tries < MAX_LOOP_DEVS:
         loop_dev = subprocess.Popen(['losetup', '-f'],
                                     stdout=subprocess.PIPE).communicate()[0].replace('\n', '')
         if loop_dev:
             output = subprocess.Popen(['losetup', '%s' % loop_dev, '%s'
                                        % image_path], stdout=subprocess.PIPE,
                                       stderr=subprocess.PIPE).communicate()
             if not output[1]:
                 return loop_dev
         else:
             print 'Could not create loopback device. Aborting'
             raise CommandFailed
         tries += 1
コード例 #10
0
 def create_loopback(self, image_path):
     utils.check_prerequisite_command('losetup')
     tries = 0
     while tries < MAX_LOOP_DEVS:
         loop_dev = subprocess.Popen(['losetup', '-f'],
                                     stdout=subprocess.PIPE).communicate()[0].replace('\n', '')
         if loop_dev:
             output = subprocess.Popen(['losetup', '%s' % loop_dev, '%s'
                                        % image_path], stdout=subprocess.PIPE,
                                       stderr=subprocess.PIPE).communicate()
             if not output[1]:
                 return loop_dev
         else:
             print 'Could not create loopback device. Aborting'
             raise CommandFailed
         tries += 1
コード例 #11
0
    def tarzip_image(self, prefix, file, path):
        utils.check_prerequisite_command('tar')
        print 'Compressing image'

        targz = '%s.tar.gz' % os.path.join(path, prefix)
        targzfile = open(targz, 'w')

        # make process pipes
        tar_cmd = ['tar', 'ch', '-S']
        file_path = self.euca.get_file_path(file)
        if file_path:
            tar_cmd.append('-C')
            tar_cmd.append(file_path)
            tar_cmd.append(self.euca.get_relative_filename(file))
        else:
            tar_cmd.append(file)
        tarproc = subprocess.Popen(tar_cmd, stdout=subprocess.PIPE)
        zipproc = subprocess.Popen(['gzip'],
                                   stdin=subprocess.PIPE,
                                   stdout=targzfile)

        # pass tar output to digest and gzip
        sha_image = sha()
        buf = os.read(tarproc.stdout.fileno(), 8196)
        while buf:
            zipproc.stdin.write(buf)
            sha_image.update(buf)
            buf = os.read(tarproc.stdout.fileno(), 8196)

        zipproc.stdin.close()
        targzfile.close()

        tarproc.wait()
        zipproc.wait()
        for p, pname in [(tarproc, 'tar'), (zipproc, 'gzip')]:
            if p.returncode != 0:
                print "'%s' returned error (%i)" % (pname, p.returncode)
                raise CommandFailed

        if os.path.getsize(targz) <= 0:
            print 'Could not tar/compress image'
            raise CommandFailed
        return (targz, hexlify(sha_image.digest()))
コード例 #12
0
ファイル: bundler.py プロジェクト: ahamilton55/euca2ools
    def tarzip_image(self, prefix, file, path):
        utils.check_prerequisite_command('tar')
        print 'Compressing image'

        targz = '%s.tar.gz' % os.path.join(path, prefix)
        targzfile = open(targz, 'w')

        # make process pipes
        tar_cmd = ['tar', 'ch', '-S']
        file_path = self.euca.get_file_path(file)
        if file_path:
            tar_cmd.append('-C')
            tar_cmd.append(file_path)
            tar_cmd.append(self.euca.get_relative_filename(file))
        else:
            tar_cmd.append(file)
        tarproc = subprocess.Popen(tar_cmd, stdout=subprocess.PIPE)
        zipproc = subprocess.Popen(['gzip'], stdin=subprocess.PIPE, stdout=targzfile)

        # pass tar output to digest and gzip
        sha_image = sha()
        buf=os.read(tarproc.stdout.fileno(), 8196)
        while buf:
            zipproc.stdin.write(buf)
            sha_image.update(buf)
            buf=os.read(tarproc.stdout.fileno(), 8196)

        zipproc.stdin.close();
        targzfile.close()

        tarproc.wait()
        zipproc.wait()
        for p, pname in [(tarproc, 'tar'), (zipproc, 'gzip')]:
            if p.returncode != 0:
                print "'%s' returned error (%i)" % (pname, p.returncode)
                raise CommandFailed
            
        if os.path.getsize(targz) <= 0:
            print 'Could not tar/compress image'
            raise CommandFailed
        return (targz, hexlify(sha_image.digest()))