def upload_imagestore(self, cmd, req):
self._check_zstore_cli()
imf = self._get_image_json_file(cmd.srcPath)
if not self._ceph_file_existed(imf):
self.commit_to_imagestore(cmd, req)
extpara = ""
taskid = req[http.REQUEST_HEADER].get(http.TASK_UUID)
if cmd.threadContext:
if cmd.threadContext['task-stage']:
extpara += " -stage %s" % cmd.threadContext['task-stage']
if cmd.threadContext.api:
taskid = cmd.threadContext.api
cmdstr = '%s -url %s:%s -callbackurl %s -taskid %s -imageUuid %s %s push %s' % (
self.ZSTORE_CLI_PATH, cmd.hostname, self.ZSTORE_DEF_PORT, req[http.REQUEST_HEADER].get(http.CALLBACK_URI),
taskid, cmd.imageUuid, extpara, cmd.srcPath)
logger.debug('pushing %s to image store' % cmd.srcPath)
shell = traceable_shell.get_shell(cmd)
shell.call(cmdstr.encode(encoding="utf-8"))
logger.debug('%s pushed to image store' % cmd.srcPath)
name, imageid = self._get_image_reference(cmd.srcPath)
rsp = CpRsp()
rsp.installPath = self._build_install_path(name, imageid)
return jsonobject.dumps(rsp)
def cp(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
src_path = self._normalize_install_path(cmd.srcPath)
dst_path = self._normalize_install_path(cmd.dstPath)
if cmd.sendCommandUrl:
Report.url = cmd.sendCommandUrl
report = Report(cmd.threadContext, cmd.threadContextStack)
report.processType = "CephCpVolume"
_, PFILE = tempfile.mkstemp()
stage = (cmd.threadContext['task-stage'],
"10-90")[cmd.threadContext['task-stage'] is None]
def _get_progress(synced):
if not Report.url:
return synced
logger.debug("getProgress in ceph-agent")
percent = shell.call(
"tail -1 %s | grep -o '1\?[0-9]\{1,2\}%%' | tail -1" %
PFILE).strip(' \t\n\r%')
if percent and Report.url:
report.progress_report(get_exact_percent(percent, stage),
"report")
return synced
def _get_cp_cmd():
return "deep cp" if shell.run(
"rbd help deep cp > /dev/null") == 0 else "cp"
t_shell = traceable_shell.get_shell(cmd)
_, _, err = t_shell.bash_progress_1(
self._wrap_shareable_cmd(
cmd, 'rbd %s %s %s 2> %s' %
(_get_cp_cmd(), src_path, dst_path, PFILE)), _get_progress)
if os.path.exists(PFILE):
os.remove(PFILE)
if err:
shell.run('rbd rm %s' % dst_path)
raise err
rsp = CpRsp()
rsp.size = self._get_file_size(dst_path)
self._set_capacity_to_response(rsp)
return jsonobject.dumps(rsp)
def create_template_from_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
dirname = os.path.dirname(cmd.installPath)
if not os.path.exists(dirname):
os.makedirs(dirname, 0755)
@rollback.rollbackable
def _0():
linux.rm_file_force(cmd.installPath)
_0()
t_shell = traceable_shell.get_shell(cmd)
linux.create_template(cmd.volumePath, cmd.installPath, shell=t_shell)
logger.debug('successfully created template[%s] from volume[%s]' % (cmd.installPath, cmd.volumePath))
rsp.totalCapacity, rsp.availableCapacity = self._get_disk_capacity(cmd.mountPoint)
return jsonobject.dumps(rsp)
def _migrate_volume_segment(self, parent_uuid, resource_uuid,
src_install_path, dst_install_path,
dst_mon_addr, dst_mon_user, dst_mon_passwd,
dst_mon_port, cmd):
src_install_path = self._normalize_install_path(src_install_path)
dst_install_path = self._normalize_install_path(dst_install_path)
traceable_bash = traceable_shell.get_shell(cmd)
ssh_cmd, tmp_file = linux.build_sshpass_cmd(
dst_mon_addr, dst_mon_passwd,
"tee >(md5sum >/tmp/%s_dst_md5) | rbd import-diff - %s" %
(resource_uuid, dst_install_path), dst_mon_user, dst_mon_port)
r, _, e = traceable_bash.bash_roe(
'set -o pipefail; rbd export-diff {FROM_SNAP} {SRC_INSTALL_PATH} - | tee >(md5sum >/tmp/{RESOURCE_UUID}_src_md5) | {SSH_CMD}'
.format(RESOURCE_UUID=resource_uuid,
SSH_CMD=ssh_cmd,
SRC_INSTALL_PATH=src_install_path,
FROM_SNAP='--from-snap ' +
parent_uuid if parent_uuid != '' else ''))
linux.rm_file_force(tmp_file)
if r != 0:
logger.error('failed to migrate volume %s: %s' %
(src_install_path, e))
return r
# compare md5sum of src/dst segments
src_segment_md5 = self._read_file_content('/tmp/%s_src_md5' %
resource_uuid)
dst_segment_md5 = linux.sshpass_call(
dst_mon_addr, dst_mon_passwd,
'cat /tmp/%s_dst_md5' % resource_uuid, dst_mon_user, dst_mon_port)
if src_segment_md5 != dst_segment_md5:
logger.error('check sum mismatch after migration: %s' %
src_install_path)
return -1
return 0
def create_template_from_root_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = CreateTemplateFromRootVolumeRsp()
try:
dirname = os.path.dirname(cmd.installPath)
if not os.path.exists(dirname):
os.makedirs(dirname, 0755)
t_shell = traceable_shell.get_shell(cmd)
linux.create_template(cmd.rootVolumePath,
cmd.installPath,
shell=t_shell)
except linux.LinuxError as e:
linux.rm_file_force(cmd.installPath)
logger.warn(linux.get_exception_stacktrace())
rsp.error = 'unable to create image to root@%s:%s from root volume[%s], %s' % (
cmd.sftpBackupStorageHostName, cmd.installPath,
cmd.rootVolumePath, str(e))
rsp.success = False
self._set_capacity_to_response(cmd.uuid, rsp)
logger.debug('successfully created template[%s] from root volume[%s]' %
(cmd.installPath, cmd.rootVolumePath))
return jsonobject.dumps(rsp)
def download(self, req):
rsp = DownloadRsp()
def _get_origin_format(path):
qcow2_length = 0x9007
if path.startswith('http://') or path.startswith(
'https://') or path.startswith('ftp://'):
resp = urllib2.urlopen(path)
qhdr = resp.read(qcow2_length)
resp.close()
elif path.startswith('sftp://'):
fd, tmp_file = tempfile.mkstemp()
get_header_from_pipe_cmd = "timeout 60 head --bytes=%d %s > %s" % (
qcow2_length, pipe_path, tmp_file)
clean_cmd = "pkill -f %s" % pipe_path
shell.run(
'%s & %s && %s' %
(scp_to_pipe_cmd, get_header_from_pipe_cmd, clean_cmd))
qhdr = os.read(fd, qcow2_length)
if os.path.exists(tmp_file):
os.remove(tmp_file)
else:
resp = open(path)
qhdr = resp.read(qcow2_length)
resp.close()
if len(qhdr) < qcow2_length:
return "raw"
return get_image_format_from_buf(qhdr)
def get_origin_format(fpath, fail_if_has_backing_file=True):
image_format = _get_origin_format(fpath)
if image_format == "derivedQcow2" and fail_if_has_backing_file:
raise Exception('image has backing file or %s is not exist!' %
fpath)
return image_format
cmd = jsonobject.loads(req[http.REQUEST_BODY])
shell = traceable_shell.get_shell(cmd)
pool, image_name = self._parse_install_path(cmd.installPath)
tmp_image_name = 'tmp-%s' % image_name
@rollbackable
def _1():
shell.check_run('rbd rm %s/%s' % (pool, tmp_image_name))
def _getRealSize(length):
'''length looks like: 10245K'''
logger.debug(length)
if not length[-1].isalpha():
return length
units = {
"g": lambda x: x * 1024 * 1024 * 1024,
"m": lambda x: x * 1024 * 1024,
"k": lambda x: x * 1024,
}
try:
if not length[-1].isalpha():
return length
return units[length[-1].lower()](int(length[:-1]))
except:
logger.warn(linux.get_exception_stacktrace())
return length
# whether we have an upload request
if cmd.url.startswith(self.UPLOAD_PROTO):
self._prepare_upload(cmd)
rsp.size = 0
rsp.uploadPath = self._get_upload_path(req)
self._set_capacity_to_response(rsp)
return jsonobject.dumps(rsp)
if cmd.sendCommandUrl:
Report.url = cmd.sendCommandUrl
report = Report(cmd.threadContext, cmd.threadContextStack)
report.processType = "AddImage"
report.resourceUuid = cmd.imageUuid
report.progress_report("0", "start")
url = urlparse.urlparse(cmd.url)
if url.scheme in ('http', 'https', 'ftp'):
image_format = get_origin_format(cmd.url, True)
cmd.url = linux.shellquote(cmd.url)
# roll back tmp ceph file after import it
_1()
_, PFILE = tempfile.mkstemp()
content_length = shell.call(
"""curl -sLI %s|awk '/[cC]ontent-[lL]ength/{print $NF}'""" %
cmd.url).splitlines()[-1]
total = _getRealSize(content_length)
def _getProgress(synced):
last = linux.tail_1(PFILE).strip()
if not last or len(last.split(
)) < 1 or 'HTTP request sent, awaiting response' in last:
return synced
logger.debug("last synced: %s" % last)
written = _getRealSize(last.split()[0])
if total > 0 and synced < written:
synced = written
if synced < total:
percent = int(round(float(synced) / float(total) * 90))
report.progress_report(percent, "report")
return synced
logger.debug("content-length is: %s" % total)
_, _, err = shell.bash_progress_1(
'set -o pipefail;wget --no-check-certificate -O - %s 2>%s| rbd import --image-format 2 - %s/%s'
% (cmd.url, PFILE, pool, tmp_image_name), _getProgress)
if err:
raise err
actual_size = linux.get_file_size_by_http_head(cmd.url)
if os.path.exists(PFILE):
os.remove(PFILE)
elif url.scheme == 'sftp':
port = (url.port, 22)[url.port is None]
_, PFILE = tempfile.mkstemp()
ssh_pswd_file = None
pipe_path = PFILE + "fifo"
scp_to_pipe_cmd = "scp -P %d -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null %s@%s:%s %s" % (
port, url.username, url.hostname, url.path, pipe_path)
sftp_command = "sftp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o BatchMode=no -P %s -b /dev/stdin %s@%s" % (
port, url.username, url.hostname) + " <<EOF\n%s\nEOF\n"
if url.password is not None:
ssh_pswd_file = linux.write_to_temp_file(url.password)
scp_to_pipe_cmd = 'sshpass -f %s %s' % (ssh_pswd_file,
scp_to_pipe_cmd)
sftp_command = 'sshpass -f %s %s' % (ssh_pswd_file,
sftp_command)
actual_size = shell.call(
sftp_command %
("ls -l " + url.path)).splitlines()[1].strip().split()[4]
os.mkfifo(pipe_path)
image_format = get_origin_format(cmd.url, True)
cmd.url = linux.shellquote(cmd.url)
# roll back tmp ceph file after import it
_1()
def _get_progress(synced):
if not os.path.exists(PFILE):
return synced
last = linux.tail_1(PFILE).strip()
if not last or not last.isdigit():
return synced
report.progress_report(int(last) * 90 / 100, "report")
return synced
get_content_from_pipe_cmd = "pv -s %s -n %s 2>%s" % (
actual_size, pipe_path, PFILE)
import_from_pipe_cmd = "rbd import --image-format 2 - %s/%s" % (
pool, tmp_image_name)
_, _, err = shell.bash_progress_1(
'set -o pipefail; %s & %s | %s' %
(scp_to_pipe_cmd, get_content_from_pipe_cmd,
import_from_pipe_cmd), _get_progress)
if ssh_pswd_file:
linux.rm_file_force(ssh_pswd_file)
linux.rm_file_force(PFILE)
linux.rm_file_force(pipe_path)
if err:
raise err
elif url.scheme == 'file':
src_path = cmd.url.lstrip('file:')
src_path = os.path.normpath(src_path)
if not os.path.isfile(src_path):
raise Exception('cannot find the file[%s]' % src_path)
image_format = get_origin_format(src_path, True)
# roll back tmp ceph file after import it
_1()
shell.check_run("rbd import --image-format 2 %s %s/%s" %
(src_path, pool, tmp_image_name))
actual_size = os.path.getsize(src_path)
else:
raise Exception('unknown url[%s]' % cmd.url)
file_format = shell.call(
"set -o pipefail; %s rbd:%s/%s | grep 'file format' | cut -d ':' -f 2"
% (qemu_img.subcmd('info'), pool, tmp_image_name))
file_format = file_format.strip()
if file_format not in ['qcow2', 'raw']:
raise Exception('unknown image format: %s' % file_format)
if file_format == 'qcow2':
conf_path = None
try:
with open('/etc/ceph/ceph.conf', 'r') as fd:
conf = fd.read()
conf = '%s\n%s\n' % (conf, 'rbd default format = 2')
conf_path = linux.write_to_temp_file(conf)
shell.check_run(
'%s -f qcow2 -O rbd rbd:%s/%s rbd:%s/%s:conf=%s' %
(qemu_img.subcmd('convert'), pool, tmp_image_name, pool,
image_name, conf_path))
shell.check_run('rbd rm %s/%s' % (pool, tmp_image_name))
finally:
if conf_path:
os.remove(conf_path)
else:
shell.check_run('rbd mv %s/%s %s/%s' %
(pool, tmp_image_name, pool, image_name))
report.progress_report("100", "finish")
@rollbackable
def _2():
shell.check_run('rbd rm %s/%s' % (pool, image_name))
_2()
o = shell.call('rbd --format json info %s/%s' % (pool, image_name))
image_stats = jsonobject.loads(o)
rsp.size = long(image_stats.size_)
rsp.actualSize = actual_size
if image_format == "qcow2":
rsp.format = "raw"
else:
rsp.format = image_format
self._set_capacity_to_response(rsp)
return jsonobject.dumps(rsp)
def download_image(self, req):
#TODO: report percentage to mgmt server
def percentage_callback(percent, url):
reporter.progress_report(int(percent))
def use_wget(url, name, workdir, timeout):
return linux.wget(url, workdir=workdir, rename=name, timeout=timeout, interval=2, callback=percentage_callback, callback_data=url)
cmd = jsonobject.loads(req[http.REQUEST_BODY])
reporter = report.Report.from_spec(cmd, "DownloadImage")
t_shell = traceable_shell.get_shell(cmd)
rsp = DownloadResponse()
# for download failure
(total, avail) = self.get_capacity()
rsp.totalCapacity = total
rsp.availableCapacity = avail
supported_schemes = [self.URL_HTTP, self.URL_HTTPS, self.URL_FTP, self.URL_SFTP, self.URL_FILE]
if cmd.urlScheme not in supported_schemes:
rsp.success = False
rsp.error = 'unsupported url scheme[%s], SimpleSftpBackupStorage only supports %s' % (cmd.urlScheme, supported_schemes)
return jsonobject.dumps(rsp)
path = os.path.dirname(cmd.installPath)
if not os.path.exists(path):
os.makedirs(path, 0777)
image_name = os.path.basename(cmd.installPath)
install_path = cmd.installPath
timeout = cmd.timeout if cmd.timeout else 7200
url = urlparse.urlparse(cmd.url)
if cmd.urlScheme in [self.URL_HTTP, self.URL_HTTPS, self.URL_FTP]:
try:
cmd.url = linux.shellquote(cmd.url)
ret = use_wget(cmd.url, image_name, path, timeout)
if ret != 0:
linux.rm_file_force(install_path)
rsp.success = False
rsp.error = 'http/https/ftp download failed, [wget -O %s %s] returns value %s' % (image_name, cmd.url, ret)
return jsonobject.dumps(rsp)
except linux.LinuxError as e:
linux.rm_file_force(install_path)
traceback.format_exc()
rsp.success = False
rsp.error = str(e)
return jsonobject.dumps(rsp)
elif cmd.urlScheme == self.URL_SFTP:
ssh_pass_file = None
port = (url.port, 22)[url.port is None]
class SftpDownloadDaemon(plugin.TaskDaemon):
def _cancel(self):
pass
def _get_percent(self):
return os.stat(install_path).st_size / (total_size / 100) if os.path.exists(install_path) else 0
def __exit__(self, exc_type, exc_val, exc_tb):
super(SftpDownloadDaemon, self).__exit__(exc_type, exc_val, exc_tb)
if ssh_pass_file:
linux.rm_file_force(ssh_pass_file)
if exc_val is not None:
linux.rm_file_force(install_path)
traceback.format_exc()
with SftpDownloadDaemon(cmd, "DownloadImage"):
sftp_cmd = "sftp -P %d -o BatchMode=no -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -b /dev/stdin %s@%s " \
"<<EOF\n%%s\nEOF\n" % (port, url.username, url.hostname)
if url.password is not None:
ssh_pass_file = linux.write_to_temp_file(url.password)
sftp_cmd = 'sshpass -f %s %s' % (ssh_pass_file, sftp_cmd)
total_size = int(shell.call(sftp_cmd % ("ls -l " + url.path)).splitlines()[1].split()[4])
t_shell.call(sftp_cmd % ("reget %s %s" % (url.path, install_path)))
elif cmd.urlScheme == self.URL_FILE:
src_path = cmd.url.lstrip('file:')
src_path = os.path.normpath(src_path)
if not os.path.isfile(src_path):
raise Exception('cannot find the file[%s]' % src_path)
logger.debug("src_path is: %s" % src_path)
try:
t_shell.call('yes | cp %s %s' % (src_path, linux.shellquote(install_path)))
except shell.ShellError as e:
linux.rm_file_force(install_path)
raise e
os.chmod(cmd.installPath, stat.S_IRUSR + stat.S_IRGRP + stat.S_IROTH)
try:
image_format = linux.get_img_file_fmt(linux.shellquote(install_path))
except Exception as e:
image_format = "raw"
size = os.path.getsize(install_path)
md5sum = 'not calculated'
logger.debug('successfully downloaded %s to %s' % (cmd.url, install_path))
(total, avail) = self.get_capacity()
rsp.md5Sum = md5sum
rsp.actualSize = size
rsp.size = linux.qcow2_virtualsize(install_path)
rsp.totalCapacity = total
rsp.availableCapacity = avail
rsp.format = image_format
return jsonobject.dumps(rsp)
def migrate_bits(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = NfsToNfsMigrateBitsRsp()
mount_path = cmd.mountPath
dst_folder_path = cmd.dstFolderPath
temp_dir = None
fd, PFILE = tempfile.mkstemp()
os.close(fd)
f = open(PFILE, 'r')
try:
if not cmd.isMounted:
linux.is_valid_nfs_url(cmd.url)
temp_dir = tempfile.mkdtemp()
# dst folder is absolute path
mount_path = temp_dir + mount_path
dst_folder_path = temp_dir + dst_folder_path
if not linux.is_mounted(mount_path, cmd.url):
linux.mount(cmd.url, mount_path, cmd.options, "nfs4")
# begin migration, then check md5 sums
linux.mkdir(dst_folder_path)
t_shell = traceable_shell.get_shell(cmd)
rsync_excludes = ""
md5_excludes = ""
if cmd.filtPaths:
for filtPath in cmd.filtPaths:
# filtPath cannot start with '/', because it must be a relative path
if filtPath.startswith('/'):
filtPath = filtPath[1:]
if filtPath != '':
rsync_excludes = rsync_excludes + " --exclude=%s" % filtPath
md5_excludes = md5_excludes + " ! -path %s/%s" % (
cmd.srcFolderPath, filtPath)
total_size = int(
shell.call(
"rsync -aznv %s/ %s %s | grep -o -P 'total size is \K\d*'"
% (cmd.srcFolderPath, dst_folder_path, rsync_excludes)))
stage = get_task_stage(cmd)
reporter = Report.from_spec(cmd, "MigrateVolume")
def _get_progress(synced):
def get_written(regex):
matcher = re.match(regex, line)
return int(matcher.group(1)) if matcher else 0
lines = f.readlines()
writing = 0
for line in lines:
if line[1] == ' ' and line[-1] == '\n':
synced += get_written(r'\s.*?(\d+)\s+100%')
elif line[-1] == '\r' and line[1] == ' ':
writing = get_written(r'.*?(\d+)\s+\d+%[^\r]*\r$')
reporter.progress_report(
get_exact_percent(
float(synced + writing) / total_size * 100, stage))
return synced
t_shell.bash_progress_1(
"rsync -az --progress %s/ %s %s > %s" %
(cmd.srcFolderPath, dst_folder_path, rsync_excludes, PFILE),
_get_progress)
src_md5 = t_shell.call(
"find %s -type f %s -exec md5sum {} \; | awk '{ print $1 }' | sort | md5sum"
% (cmd.srcFolderPath, md5_excludes))
dst_md5 = t_shell.call(
"find %s -type f -exec md5sum {} \; | awk '{ print $1 }' | sort | md5sum"
% dst_folder_path)
if src_md5 != dst_md5:
rsp.error = "failed to copy files from %s to %s, md5sum not match" % (
cmd.srcFolderPath, dst_folder_path)
rsp.success = False
if not cmd.isMounted:
linux.umount(mount_path)
finally:
if temp_dir is not None:
return_code = shell.run("mount | grep '%s'" % temp_dir)
if return_code != 0:
# in case dir is not empty
try:
os.rmdir(temp_dir)
except OSError as e:
logger.warn("delete temp_dir %s failed: %s",
(temp_dir, str(e)))
else:
logger.warn(
"temp_dir %s still had mounted destination primary storage, skip cleanup operation"
% temp_dir)
f.close()
linux.rm_file_force(PFILE)
return jsonobject.dumps(rsp)