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+# Microsoft Azure Linux Agent
+#
+# Copyright 2014 Microsoft Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Requires Python 2.4+ and Openssl 1.0+
+#
+import azurelinuxagent.common.logger as logger
+import azurelinuxagent.common.utils.fileutil as fileutil
+import azurelinuxagent.common.utils.shellutil as shellutil
+from azurelinuxagent.common.exception import ResourceDiskError
+from azurelinuxagent.daemon.resourcedisk.default import ResourceDiskHandler
+
+class FreeBSDResourceDiskHandler(ResourceDiskHandler):
+ """
+ This class handles resource disk mounting for FreeBSD.
+
+ The resource disk locates at following slot:
+ scbus2 on blkvsc1 bus 0:
+ <Msft Virtual Disk 1.0> at scbus2 target 1 lun 0 (da1,pass2)
+
+ There are 2 variations based on partition table type:
+ 1. MBR: The resource disk partition is /dev/da1s1
+ 2. GPT: The resource disk partition is /dev/da1p2, /dev/da1p1 is for reserved usage.
+ """
+ def __init__(self):
+ super(FreeBSDResourceDiskHandler, self).__init__()
+
+ @staticmethod
+ def parse_gpart_list(data):
+ dic = {}
+ for line in data.split('\n'):
+ if line.find("Geom name: ") != -1:
+ geom_name = line[11:]
+ elif line.find("scheme: ") != -1:
+ dic[geom_name] = line[8:]
+ return dic
+
+ def mount_resource_disk(self, mount_point, fs):
+ if fs != 'ufs':
+ raise ResourceDiskError("Unsupported filesystem type:{0}, only ufs is supported.".format(fs))
+
+ # 1. Detect device
+ err, output = shellutil.run_get_output('gpart list')
+ if err:
+ raise ResourceDiskError("Unable to detect resource disk device:{0}".format(output))
+ disks = self.parse_gpart_list(output)
+
+ err, output = shellutil.run_get_output('camcontrol periphlist 2:1:0')
+ if err:
+ raise ResourceDiskError("Unable to detect resource disk device:{0}".format(output))
+
+ # 'da1: generation: 4 index: 1 status: MORE\npass2: generation: 4 index: 2 status: LAST\n'
+ device = None
+ for line in output.split('\n'):
+ index = line.find(':')
+ if index > 0:
+ geom_name = line[:index]
+ if geom_name in disks:
+ device = geom_name
+ break
+
+ if not device:
+ raise ResourceDiskError("Unable to detect resource disk device.")
+ logger.info('Resource disk device {0} found.', device)
+
+ # 2. Detect partition
+ partition_table_type = disks[device]
+
+ if partition_table_type == 'MBR':
+ provider_name = device + 's1'
+ elif partition_table_type == 'GPT':
+ provider_name = device + 'p2'
+ else:
+ raise ResourceDiskError("Unsupported partition table type:{0}".format(output))
+
+ err, output = shellutil.run_get_output('gpart show -p {0}'.format(device))
+ if err or output.find(provider_name) == -1:
+ raise ResourceDiskError("Resource disk partition not found.")
+
+ partition = '/dev/' + provider_name
+ logger.info('Resource disk partition {0} found.', partition)
+
+ # 3. Mount partition
+ mount_list = shellutil.run_get_output("mount")[1]
+ existing = self.osutil.get_mount_point(mount_list, partition)
+
+ if existing:
+ logger.info("Resource disk {0} is already mounted", partition)
+ return existing
+
+ fileutil.mkdir(mount_point, mode=0o755)
+ mount_cmd = 'mount -t {0} {1} {2}'.format(fs, partition, mount_point)
+ err = shellutil.run(mount_cmd, chk_err=False)
+ if err:
+ logger.info('Creating {0} filesystem on partition {1}'.format(fs, partition))
+ err, output = shellutil.run_get_output('newfs -U {0}'.format(partition))
+ if err:
+ raise ResourceDiskError("Failed to create new filesystem on partition {0}, error:{1}"
+ .format(partition, output))
+ err, output = shellutil.run_get_output(mount_cmd, chk_err=False)
+ if err:
+ raise ResourceDiskError("Failed to mount partition {0}, error {1}".format(partition, output))
+
+ logger.info("Resource disk partition {0} is mounted at {1} with fstype {2}", partition, mount_point, fs)
+ return mount_point