Exemple #1
0
    def post(self, request):
        try:
            sname = request.DATA['sname']
            if (Share.objects.filter(name=sname).exists()):
                e_msg = ('Share with name: %s already exists.' % sname)
                handle_exception(Exception(e_msg), request)

            pool_name = request.DATA['pool']
            size = int(request.DATA['size']) #in KB
            self._validate_share_size(request, size)
            pool = None
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = ('Pool with name: %s does not exist.' % pool_name)
                handle_exception(Exception(e_msg), request)

            disk = None
            try:
                disk = Disk.objects.filter(pool=pool)[0]
            except:
                e_msg = ('Pool with name: %s does not have any disks in it.' %
                         pool_name)
                handle_exception(Exception(e_msg), request)

            add_share(pool_name, disk.name, sname)
            qgroup_id = self._update_quota(pool_name, disk.name, sname, size)
            s = Share(pool=pool, qgroup=qgroup_id, name=sname, size=size,
                      subvol_name=sname)
            s.save()
            return Response(ShareSerializer(s).data)
        except RockStorAPIException:
            raise
        except Exception, e:
            handle_exception(e, request)
Exemple #2
0
    def post(self, request):
        with self._handle_exception(request):
            pool_name = request.data.get('pool', None)
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = ('Pool(%s) does not exist.' % pool_name)
                handle_exception(Exception(e_msg), request)
            compression = self._validate_compression(request)
            size = self._validate_share_size(request, pool)
            sname = request.data.get('sname', None)
            if ((sname is None
                 or re.match('%s$' % settings.SHARE_REGEX, sname) is None)):
                e_msg = ('Share name must start with a alphanumeric(a-z0-9) '
                         'character and can be followed by any of the '
                         'following characters: letter(a-z), digits(0-9), '
                         'hyphen(-), underscore(_) or a period(.).')
                handle_exception(Exception(e_msg), request)

            if (Share.objects.filter(name=sname).exists()):
                e_msg = ('Share(%s) already exists. Choose a different name' %
                         sname)
                handle_exception(Exception(e_msg), request)

            if (Pool.objects.filter(name=sname).exists()):
                e_msg = (
                    'A Pool with this name(%s) exists. Share and Pool names '
                    'must be distinct. Choose a different name' % sname)
                handle_exception(Exception(e_msg), request)
            disk = Disk.objects.filter(pool=pool)[0]
            replica = False
            if ('replica' in request.data):
                replica = request.data['replica']
                if (type(replica) != bool):
                    e_msg = ('replica must be a boolean, not %s' %
                             type(replica))
                    handle_exception(Exception(e_msg), request)
            add_share(pool, disk.name, sname)
            qid = qgroup_id(pool, disk.name, sname)
            update_quota(pool, disk.name, qid, size * 1024)
            s = Share(pool=pool,
                      qgroup=qid,
                      name=sname,
                      size=size,
                      subvol_name=sname,
                      replica=replica,
                      compression_algo=compression)
            s.save()
            mnt_pt = '%s%s' % (settings.MNT_PT, sname)
            if (not is_share_mounted(sname)):
                disk = Disk.objects.filter(pool=pool)[0].name
                mount_share(s, disk, mnt_pt)
            if (compression != 'no'):
                set_property(mnt_pt, 'compression', compression)
            return Response(ShareSerializer(s).data)
Exemple #3
0
    def post(self, request):
        with self._handle_exception(request):
            pool_name = request.DATA.get('pool', None)
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = ('Pool(%s) does not exist.' % pool_name)
                handle_exception(Exception(e_msg), request)
            compression = self._validate_compression(request)
            size = self._validate_share_size(request, pool)
            sname = request.DATA.get('sname', None)
            if ((sname is None or
                 re.match('%s$' % settings.SHARE_REGEX, sname) is None)):
                e_msg = ('Share name must start with a letter(a-z) and can '
                         'be followed by any of the following characters: '
                         'letter(a-z), digits(0-9), hyphen(-), underscore'
                         '(_) or a period(.).')
                handle_exception(Exception(e_msg), request)

            if (Share.objects.filter(name=sname).exists()):
                e_msg = ('Share(%s) already exists.' % sname)
                handle_exception(Exception(e_msg), request)

            try:
                disk = Disk.objects.filter(pool=pool)[0]
            except:
                e_msg = ('Pool(%s) does not have any disks in it.' %
                         pool_name)
                handle_exception(Exception(e_msg), request)

            replica = False
            if ('replica' in request.DATA):
                replica = request.DATA['replica']
                if (type(replica) != bool):
                    e_msg = ('replica must be a boolean, not %s' %
                             type(replica))
                    handle_exception(Exception(e_msg), request)
            add_share(pool, disk.name, sname)
            qgroup_id = self._update_quota(pool, disk.name, sname, size)
            s = Share(pool=pool, qgroup=qgroup_id, name=sname, size=size,
                      subvol_name=sname, replica=replica,
                      compression_algo=compression)
            s.save()
            mnt_pt = '%s%s' % (settings.MNT_PT, sname)
            if (not is_share_mounted(sname)):
                disk = Disk.objects.filter(pool=pool)[0].name
                mount_share(s, disk, mnt_pt)
            if (compression != 'no'):
                set_property(mnt_pt, 'compression', compression)
            return Response(ShareSerializer(s).data)
Exemple #4
0
    def post(self, request):
        try:
            sname = request.DATA['sname']
            if (re.match('%s$' % settings.SHARE_REGEX, sname) is None):
                e_msg = ('Share name must start with a letter(a-z) and can'
                         ' be followed by any of the following characters: '
                         'letter(a-z), digits(0-9), hyphen(-), underscore'
                         '(_) or a period(.).')
                handle_exception(Exception(e_msg), request)

            if (Share.objects.filter(name=sname).exists()):
                e_msg = ('Share with name: %s already exists.' % sname)
                handle_exception(Exception(e_msg), request)

            pool_name = request.DATA['pool']
            size = int(request.DATA['size']) #in KB
            self._validate_share_size(request, size)
            pool = None
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = ('Pool with name: %s does not exist.' % pool_name)
                handle_exception(Exception(e_msg), request)

            disk = None
            try:
                disk = Disk.objects.filter(pool=pool)[0]
            except:
                e_msg = ('Pool with name: %s does not have any disks in it.' %
                         pool_name)
                handle_exception(Exception(e_msg), request)

            replica = False
            if ('replica' in request.DATA):
                replica = request.DATA['replica']
                if (type(replica) != bool):
                    e_msg = ('replica must be a boolean, not %s' %
                             type(replica))
                    handle_exception(Exception(e_msg), request)

            add_share(pool_name, disk.name, sname)
            qgroup_id = self._update_quota(pool_name, disk.name, sname, size)
            s = Share(pool=pool, qgroup=qgroup_id, name=sname, size=size,
                      subvol_name=sname, replica=replica)
            s.save()
            return Response(ShareSerializer(s).data)
        except RockStorAPIException:
            raise
        except Exception, e:
            handle_exception(e, request)
Exemple #5
0
    def post(self, request):
        with self._handle_exception(request):
            pool_name = request.data.get('pool', None)
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = ('Pool(%s) does not exist.' % pool_name)
                handle_exception(Exception(e_msg), request)
            compression = self._validate_compression(request)
            size = self._validate_share_size(request, pool)
            sname = request.data.get('sname', None)
            if ((sname is None or
                 re.match('%s$' % settings.SHARE_REGEX, sname) is None)):
                e_msg = ('Share name must start with a alphanumeric(a-z0-9) '
                         'character and can be followed by any of the '
                         'following characters: letter(a-z), digits(0-9), '
                         'hyphen(-), underscore(_) or a period(.).')
                handle_exception(Exception(e_msg), request)

            if (Share.objects.filter(name=sname).exists()):
                e_msg = ('Share(%s) already exists. Choose a different name' % sname)
                handle_exception(Exception(e_msg), request)

            if (Pool.objects.filter(name=sname).exists()):
                e_msg = ('A Pool with this name(%s) exists. Share and Pool names '
                         'must be distinct. Choose a different name' % sname)
                handle_exception(Exception(e_msg), request)
            disk = Disk.objects.filter(pool=pool)[0]
            replica = False
            if ('replica' in request.data):
                replica = request.data['replica']
                if (type(replica) != bool):
                    e_msg = ('replica must be a boolean, not %s' %
                             type(replica))
                    handle_exception(Exception(e_msg), request)
            add_share(pool, disk.name, sname)
            qid = qgroup_id(pool, disk.name, sname)
            update_quota(pool, disk.name, qid, size * 1024)
            s = Share(pool=pool, qgroup=qgroup_id, name=sname, size=size,
                      subvol_name=sname, replica=replica,
                      compression_algo=compression)
            s.save()
            mnt_pt = '%s%s' % (settings.MNT_PT, sname)
            if (not is_share_mounted(sname)):
                disk = Disk.objects.filter(pool=pool)[0].name
                mount_share(s, disk, mnt_pt)
            if (compression != 'no'):
                set_property(mnt_pt, 'compression', compression)
            return Response(ShareSerializer(s).data)
Exemple #6
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def btrfs_add_share(share):
    pools = btrfs_pool_scan()
    share_s = {}
    for pool in pools:
        if pool["name"] == share["pool"]:
            pqid = qgroup_create(pool)
            add_share(pool, share["sname"], pqid)
            qid = qgroup_id(pool, share["sname"])
            update_quota(pool, pqid, share["size"] * 1024)
            mnt_pt = '%s%s' % (MNT_PT, share["sname"])
            replica = False
            share_s["name"] = share["sname"]
            share_s["subvol_name"] = share["sname"]
            share_s["size"] = share["size"]
            share_s["qgroup"] = qid
            share_s["pqgroup"] = pqid
            share_s["pool"] = pool
            share_s["replica"] = replica
            share_s["compression_algo"] = share["compression"]
            mount_share(share_s, mnt_pt)
    return share_s
Exemple #7
0
def btrfs_add_share(share):
	pools = btrfs_pool_scan()
	share_s = {}
	for pool in pools:
		if pool["name"] == share["pool"]:
			pqid = qgroup_create(pool)
			add_share(pool, share["sname"], pqid)
			qid = qgroup_id(pool, share["sname"])
			update_quota(pool, pqid, share["size"] * 1024)
			mnt_pt = '%s%s' % (MNT_PT, share["sname"])
			replica = False
			share_s["name"] = share["sname"]
			share_s["subvol_name"] = share["sname"]
			share_s["size"] = share["size"]
			share_s["qgroup"] = qid
			share_s["pqgroup"] = pqid
			share_s["pool"] = pool
			share_s["replica"] = replica
			share_s["compression_algo"] = share["compression"]
			mount_share(share_s, mnt_pt)
	return share_s
Exemple #8
0
    def post(self, request):
        try:
            sname = request.DATA['sname']
            if (Share.objects.filter(name=sname).exists()):
                e_msg = ('Share with name: %s already exists.' % sname)
                handle_exception(Exception(e_msg), request)

            pool_name = request.DATA['pool']
            size = int(request.DATA['size'])  #in KB
            self._validate_share_size(request, size)
            pool = None
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = ('Pool with name: %s does not exist.' % pool_name)
                handle_exception(Exception(e_msg), request)

            disk = None
            try:
                disk = Disk.objects.filter(pool=pool)[0]
            except:
                e_msg = ('Pool with name: %s does not have any disks in it.' %
                         pool_name)
                handle_exception(Exception(e_msg), request)

            add_share(pool_name, disk.name, sname)
            qgroup_id = self._update_quota(pool_name, disk.name, sname, size)
            s = Share(pool=pool,
                      qgroup=qgroup_id,
                      name=sname,
                      size=size,
                      subvol_name=sname)
            s.save()
            return Response(ShareSerializer(s).data)
        except RockStorAPIException:
            raise
        except Exception, e:
            handle_exception(e, request)
Exemple #9
0
 def post(self, request):
     try:
         pool_name = request.DATA['pool']
         share_name = request.DATA['name']
         size = int(request.DATA['size'])
         pool = None
         for p in Pool.objects.all():
             if (p.name == pool_name):
                 pool = p
                 break
         disk = Disk.objects.filter(pool=p)[0]
         add_share(pool_name, disk.name, share_name)
         sid = share_id(pool_name, disk.name, share_name)
         qgroup_id = '0/' + sid
         update_quota(pool_name, disk.name, qgroup_id, str(size))
         cur_usage = int(share_usage(pool_name, disk.name, qgroup_id))
         qgroup = Qgroup(uuid=qgroup_id)
         qgroup.save()
         s = Share(pool=pool, qgroup=qgroup, name=share_name, size=size,
                 free=(size - cur_usage))
         s.save()
         return Response(ShareSerializer(s).data)
     except Exception, e:
         handle_exception(e, request)
Exemple #10
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    def post(self, request):
        # qgroup notes for shares. we need to create a qgroup prior to share
        # creation. qgroup ids 0/<subvol_id> automatically get created when a
        # subvolume(i.e., a Share or a Snapshot) is created. So let's create a
        # new qgroup: 2015/<some_number> whenever a Share is
        # created. <some_number> starts from 1 and is incremented as more
        # Shares are created. So, for the very first Share in a pool, it's
        # qgroup will be 1/1. 2015 is arbitrarily chose.

        # Before creating a new Share, we create the qgroup for it. And during
        # it's creation, we assign this qgroup to it. During it's creation a
        # 0/x qgroup will automatically be created, but it will become the
        # child of our explicitly-created qgroup(2015/x).

        # We will set the qgroup limit on our qgroup and it will enforce the
        # quota on every subvolume(i.e., Share and Snapshot) in that qgroup.

        # When a Share is deleted, we need to destroy two qgroups. One is it's
        # auto 0/x qgroup and the other is our explicitly-created 2015/y
        # qgroup.

        with self._handle_exception(request):
            pool_name = request.data.get('pool', None)
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = 'Pool ({}) does not exist.'.format(pool_name)
                handle_exception(Exception(e_msg), request)
            compression = self._validate_compression(request)
            size = self._validate_share_size(request, pool)
            sname = request.data.get('sname', None)
            if ((sname is None or
                 re.match('%s$' % settings.SHARE_REGEX, sname) is None)):
                e_msg = ('Invalid characters in share name. Following are '
                         'allowed: letter(a-z or A-Z), digit(0-9), '
                         'hyphen(-), underscore(_) or a period(.).')
                handle_exception(Exception(e_msg), request)

            if (len(sname) > 254):
                # btrfs subvolume names cannot exceed 254 characters.
                e_msg = ('Share name length cannot exceed 254 characters.')
                handle_exception(Exception(e_msg), request)

            if (Share.objects.filter(name=sname).exists()):
                # Note e_msg is consumed by replication/util.py create_share()
                e_msg = ('Share ({}) already exists. Choose a '
                         'different name.').format(sname)
                handle_exception(Exception(e_msg), request)

            if (Pool.objects.filter(name=sname).exists()):
                e_msg = ('A pool with this name ({}) exists. Share '
                         'and pool names must be distinct. Choose '
                         'a different name.').format(sname)
                handle_exception(Exception(e_msg), request)
            replica = False
            if ('replica' in request.data):
                replica = request.data['replica']
                if (type(replica) != bool):
                    # TODO: confirm this 'type' call works as format parameter.
                    e_msg = ('Replica must be a boolean, '
                             'not ({}).').format(type(replica))
                    handle_exception(Exception(e_msg), request)
            pqid = qgroup_create(pool)
            add_share(pool, sname, pqid)
            qid = qgroup_id(pool, sname)
            s = Share(pool=pool, qgroup=qid, pqgroup=pqid, name=sname,
                      size=size, subvol_name=sname, replica=replica,
                      compression_algo=compression)
            # The following pool.save() was informed by test_share.py
            pool.save()
            s.save()
            if pqid is not PQGROUP_DEFAULT:
                update_quota(pool, pqid, size * 1024)
                share_pqgroup_assign(pqid, s)
            mnt_pt = '%s%s' % (settings.MNT_PT, sname)
            if not s.is_mounted:
                mount_share(s, mnt_pt)
            if (compression != 'no'):
                set_property(mnt_pt, 'compression', compression)
            return Response(ShareSerializer(s).data)
Exemple #11
0
    def post(self, request):
        #qgroup notes for shares. we need to create a qgroup prior to share
        #creation. qgroup ids 0/<subvol_id> automatically get created when a
        #subvolume(i.e., a Share or a Snapshot) is created. So let's create a
        #new qgroup: 2015/<some_number> whenever a Share is
        #created. <some_number> starts from 1 and is incremented as more Shares
        #are created. So, for the very first Share in a pool, it's qgroup will
        #be 1/1. 2015 is arbitrarily chose.

        #Before creating a new Share, we create the qgroup for it. And during
        #it's creation, we assign this qgroup to it. During it's creation a 0/x
        #qgroup will automatically be created, but it will become the child of
        #our explicitly-created qgroup(2015/x).

        #We will set the qgroup limit on our qgroup and it will enforce the
        #quota on every subvolume(i.e., Share and Snapshot) in that qgroup.

        #When a Share is deleted, we need to destroy two qgroups. One is it's
        #auto 0/x qgroup and the other is our explicitly-created 2015/y qgroup.

        with self._handle_exception(request):
            pool_name = request.data.get('pool', None)
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = ('Pool(%s) does not exist.' % pool_name)
                handle_exception(Exception(e_msg), request)
            compression = self._validate_compression(request)
            size = self._validate_share_size(request, pool)
            sname = request.data.get('sname', None)
            if ((sname is None or
                 re.match('%s$' % settings.SHARE_REGEX, sname) is None)):
                e_msg = ('Share name must start with a alphanumeric(a-z0-9) '
                         'character and can be followed by any of the '
                         'following characters: letter(a-z), digits(0-9), '
                         'hyphen(-), underscore(_) or a period(.).')
                handle_exception(Exception(e_msg), request)

            if (len(sname) > 254):
                #btrfs subvolume names cannot exceed 254 characters.
                e_msg = ('Share name length cannot exceed 254 characters')
                handle_exception(Exception(e_msg), request)

            if (Share.objects.filter(name=sname).exists()):
                e_msg = ('Share(%s) already exists. Choose a different name' % sname)
                handle_exception(Exception(e_msg), request)

            if (Pool.objects.filter(name=sname).exists()):
                e_msg = ('A Pool with this name(%s) exists. Share and Pool names '
                         'must be distinct. Choose a different name' % sname)
                handle_exception(Exception(e_msg), request)
            disk = Disk.objects.filter(pool=pool)[0]
            replica = False
            if ('replica' in request.data):
                replica = request.data['replica']
                if (type(replica) != bool):
                    e_msg = ('replica must be a boolean, not %s' %
                             type(replica))
                    handle_exception(Exception(e_msg), request)
            pqid = qgroup_create(pool)
            add_share(pool, sname, pqid)
            qid = qgroup_id(pool, sname)
            update_quota(pool, pqid, size * 1024)
            s = Share(pool=pool, qgroup=qid, pqgroup=pqid, name=sname,
                      size=size, subvol_name=sname, replica=replica,
                      compression_algo=compression)
            s.save()
            mnt_pt = '%s%s' % (settings.MNT_PT, sname)
            if (not is_share_mounted(sname)):
                mount_share(s, mnt_pt)
            if (compression != 'no'):
                set_property(mnt_pt, 'compression', compression)
            return Response(ShareSerializer(s).data)
Exemple #12
0
    def post(self, request):
        #qgroup notes for shares. we need to create a qgroup prior to share
        #creation. qgroup ids 0/<subvol_id> automatically get created when a
        #subvolume(i.e., a Share or a Snapshot) is created. So let's create a
        #new qgroup: 2015/<some_number> whenever a Share is
        #created. <some_number> starts from 1 and is incremented as more Shares
        #are created. So, for the very first Share in a pool, it's qgroup will
        #be 1/1. 2015 is arbitrarily chose.

        #Before creating a new Share, we create the qgroup for it. And during
        #it's creation, we assign this qgroup to it. During it's creation a 0/x
        #qgroup will automatically be created, but it will become the child of
        #our explicitly-created qgroup(2015/x).

        #We will set the qgroup limit on our qgroup and it will enforce the
        #quota on every subvolume(i.e., Share and Snapshot) in that qgroup.

        #When a Share is deleted, we need to destroy two qgroups. One is it's
        #auto 0/x qgroup and the other is our explicitly-created 2015/y qgroup.

        with self._handle_exception(request):
            pool_name = request.data.get('pool', None)
            try:
                pool = Pool.objects.get(name=pool_name)
            except:
                e_msg = ('Pool(%s) does not exist.' % pool_name)
                handle_exception(Exception(e_msg), request)
            compression = self._validate_compression(request)
            size = self._validate_share_size(request, pool)
            sname = request.data.get('sname', None)
            if ((sname is None
                 or re.match('%s$' % settings.SHARE_REGEX, sname) is None)):
                e_msg = ('Share name must start with a alphanumeric(a-z0-9) '
                         'character and can be followed by any of the '
                         'following characters: letter(a-z), digits(0-9), '
                         'hyphen(-), underscore(_) or a period(.).')
                handle_exception(Exception(e_msg), request)

            if (len(sname) > 254):
                #btrfs subvolume names cannot exceed 254 characters.
                e_msg = ('Share name length cannot exceed 254 characters')
                handle_exception(Exception(e_msg), request)

            if (Share.objects.filter(name=sname).exists()):
                e_msg = ('Share(%s) already exists. Choose a different name' %
                         sname)
                handle_exception(Exception(e_msg), request)

            if (Pool.objects.filter(name=sname).exists()):
                e_msg = (
                    'A Pool with this name(%s) exists. Share and Pool names '
                    'must be distinct. Choose a different name' % sname)
                handle_exception(Exception(e_msg), request)
            disk = Disk.objects.filter(pool=pool)[0]
            replica = False
            if ('replica' in request.data):
                replica = request.data['replica']
                if (type(replica) != bool):
                    e_msg = ('replica must be a boolean, not %s' %
                             type(replica))
                    handle_exception(Exception(e_msg), request)
            pqid = qgroup_create(pool)
            add_share(pool, sname, pqid)
            qid = qgroup_id(pool, sname)
            update_quota(pool, pqid, size * 1024)
            s = Share(pool=pool,
                      qgroup=qid,
                      pqgroup=pqid,
                      name=sname,
                      size=size,
                      subvol_name=sname,
                      replica=replica,
                      compression_algo=compression)
            s.save()
            mnt_pt = '%s%s' % (settings.MNT_PT, sname)
            if (not is_share_mounted(sname)):
                mount_share(s, mnt_pt)
            if (compression != 'no'):
                set_property(mnt_pt, 'compression', compression)
            return Response(ShareSerializer(s).data)