Update charm-helpers-hooks.yaml and sync ch

Using the new version of the sync tool which removes the charmhelpers
directory before syncing, run charm helpers sync to find any unexpected
missing dependencies.

Change-Id: I8feaef641fc9c22ed47529ce91b011db5694a6f7

charm-helpers-hooks.yaml

@@ -7,10 +7,10 @@ include:
     - fetch
     - contrib.openstack|inc=*
     - contrib.hahelpers
-    - contrib.storage.linux.ceph
+    - contrib.storage.linux
     - payload
     - contrib.network.ip
-    - contrib.python.packages
+    - contrib.python
     - contrib.charmsupport
     - core.kernel
     - contrib.hardening|inc=*

charmhelpers/contrib/openstack/amulet/utils.py

@@ -88,14 +88,14 @@ class OpenStackAmuletUtils(AmuletUtils):
         validation_function = self.validate_v2_endpoint_data
         xenial_queens = OPENSTACK_RELEASES_PAIRS.index('xenial_queens')
         if openstack_release and openstack_release >= xenial_queens:
-                validation_function = self.validate_v3_endpoint_data
-                expected = {
-                    'id': expected['id'],
-                    'region': expected['region'],
-                    'region_id': 'RegionOne',
-                    'url': self.valid_url,
-                    'interface': self.not_null,
-                    'service_id': expected['service_id']}
+            validation_function = self.validate_v3_endpoint_data
+            expected = {
+                'id': expected['id'],
+                'region': expected['region'],
+                'region_id': 'RegionOne',
+                'url': self.valid_url,
+                'interface': self.not_null,
+                'service_id': expected['service_id']}
         return validation_function(endpoints, admin_port, internal_port,
                                    public_port, expected)
 

charmhelpers/contrib/openstack/context.py

@@ -1427,11 +1427,11 @@ class ZeroMQContext(OSContextGenerator):
         ctxt = {}
         if is_relation_made('zeromq-configuration', 'host'):
             for rid in relation_ids('zeromq-configuration'):
-                    for unit in related_units(rid):
-                        ctxt['zmq_nonce'] = relation_get('nonce', unit, rid)
-                        ctxt['zmq_host'] = relation_get('host', unit, rid)
-                        ctxt['zmq_redis_address'] = relation_get(
-                            'zmq_redis_address', unit, rid)
+                for unit in related_units(rid):
+                    ctxt['zmq_nonce'] = relation_get('nonce', unit, rid)
+                    ctxt['zmq_host'] = relation_get('host', unit, rid)
+                    ctxt['zmq_redis_address'] = relation_get(
+                        'zmq_redis_address', unit, rid)
 
         return ctxt
 

charmhelpers/contrib/openstack/templating.py

@@ -183,7 +183,7 @@ class OSConfigRenderer(object):
         /tmp/templates/grizzly/api-paste.ini
         /tmp/templates/havana/api-paste.ini
 
-    Since it was registered with the grizzly release, it first seraches
+    Since it was registered with the grizzly release, it first searches
     the grizzly directory for nova.conf, then the templates dir.
 
     When writing api-paste.ini, it will find the template in the grizzly

charmhelpers/contrib/openstack/utils.py

@@ -83,7 +83,8 @@ from charmhelpers.fetch import (
     add_source as fetch_add_source,
     SourceConfigError,
     GPGKeyError,
-    get_upstream_version
+    get_upstream_version,
+    filter_missing_packages
 )
 
 from charmhelpers.fetch.snap import (
@@ -309,6 +310,15 @@ def error_out(msg):
     sys.exit(1)
 
 
+def get_installed_semantic_versioned_packages():
+    '''Get a list of installed packages which have OpenStack semantic versioning
+
+    :returns List of installed packages
+    :rtype: [pkg1, pkg2, ...]
+    '''
+    return filter_missing_packages(PACKAGE_CODENAMES.keys())
+
+
 def get_os_codename_install_source(src):
     '''Derive OpenStack release codename from a given installation source.'''
     ubuntu_rel = lsb_release()['DISTRIB_CODENAME']
@@ -972,7 +982,9 @@ def _ows_check_charm_func(state, message, charm_func_with_configs):
     """
     if charm_func_with_configs:
         charm_state, charm_message = charm_func_with_configs()
-        if charm_state != 'active' and charm_state != 'unknown':
+        if (charm_state != 'active' and
+                charm_state != 'unknown' and
+                charm_state is not None):
             state = workload_state_compare(state, charm_state)
             if message:
                 charm_message = charm_message.replace("Incomplete relations: ",
@@ -1241,7 +1253,7 @@ def remote_restart(rel_name, remote_service=None):
 
 
 def check_actually_paused(services=None, ports=None):
-    """Check that services listed in the services object and and ports
+    """Check that services listed in the services object and ports
     are actually closed (not listened to), to verify that the unit is
     properly paused.
 

charmhelpers/contrib/python.py

@@ -0,0 +1,21 @@
+# Copyright 2014-2019 Canonical Limited.
+#
+# 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.
+
+from __future__ import absolute_import
+
+# deprecated aliases for backwards compatibility
+from charmhelpers.fetch.python import debug  # noqa
+from charmhelpers.fetch.python import packages  # noqa
+from charmhelpers.fetch.python import rpdb  # noqa
+from charmhelpers.fetch.python import version  # noqa

charmhelpers/contrib/storage/linux/bcache.py

@@ -0,0 +1,74 @@
+# Copyright 2017 Canonical Limited.
+#
+# 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.
+import os
+import json
+
+from charmhelpers.core.hookenv import log
+
+stats_intervals = ['stats_day', 'stats_five_minute',
+                   'stats_hour', 'stats_total']
+
+SYSFS = '/sys'
+
+
+class Bcache(object):
+    """Bcache behaviour
+    """
+
+    def __init__(self, cachepath):
+        self.cachepath = cachepath
+
+    @classmethod
+    def fromdevice(cls, devname):
+        return cls('{}/block/{}/bcache'.format(SYSFS, devname))
+
+    def __str__(self):
+        return self.cachepath
+
+    def get_stats(self, interval):
+        """Get cache stats
+        """
+        intervaldir = 'stats_{}'.format(interval)
+        path = "{}/{}".format(self.cachepath, intervaldir)
+        out = dict()
+        for elem in os.listdir(path):
+            out[elem] = open('{}/{}'.format(path, elem)).read().strip()
+        return out
+
+
+def get_bcache_fs():
+    """Return all cache sets
+    """
+    cachesetroot = "{}/fs/bcache".format(SYSFS)
+    try:
+        dirs = os.listdir(cachesetroot)
+    except OSError:
+        log("No bcache fs found")
+        return []
+    cacheset = set([Bcache('{}/{}'.format(cachesetroot, d)) for d in dirs if not d.startswith('register')])
+    return cacheset
+
+
+def get_stats_action(cachespec, interval):
+    """Action for getting bcache statistics for a given cachespec.
+    Cachespec can either be a device name, eg. 'sdb', which will retrieve
+    cache stats for the given device, or 'global', which will retrieve stats
+    for all cachesets
+    """
+    if cachespec == 'global':
+        caches = get_bcache_fs()
+    else:
+        caches = [Bcache.fromdevice(cachespec)]
+    res = dict((c.cachepath, c.get_stats(interval)) for c in caches)
+    return json.dumps(res, indent=4, separators=(',', ': '))

charmhelpers/contrib/storage/linux/loopback.py

@@ -1,12 +1,26 @@
+# Copyright 2014-2015 Canonical Limited.
+#
+# 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.
 
 import os
 import re
-
 from subprocess import (
     check_call,
     check_output,
 )
 
+import six
+
 
 ##################################################
 # loopback device helpers.
@@ -22,10 +36,12 @@ def loopback_devices():
     '''
     loopbacks = {}
     cmd = ['losetup', '-a']
-    devs = [d.strip().split(' ') for d in
-            check_output(cmd).splitlines() if d != '']
+    output = check_output(cmd)
+    if six.PY3:
+        output = output.decode('utf-8')
+    devs = [d.strip().split(' ') for d in output.splitlines() if d != '']
     for dev, _, f in devs:
-        loopbacks[dev.replace(':', '')] = re.search('\((\S+)\)', f).groups()[0]
+        loopbacks[dev.replace(':', '')] = re.search(r'\((\S+)\)', f).groups()[0]
     return loopbacks
 
 
@@ -37,7 +53,7 @@ def create_loopback(file_path):
     '''
     file_path = os.path.abspath(file_path)
     check_call(['losetup', '--find', file_path])
-    for d, f in loopback_devices().iteritems():
+    for d, f in six.iteritems(loopback_devices()):
         if f == file_path:
             return d
 
@@ -51,7 +67,7 @@ def ensure_loopback_device(path, size):
 
     :returns: str: Full path to the ensured loopback device (eg, /dev/loop0)
     '''
-    for d, f in loopback_devices().iteritems():
+    for d, f in six.iteritems(loopback_devices()):
         if f == path:
             return d
 
@@ -60,3 +76,13 @@ def ensure_loopback_device(path, size):
         check_call(cmd)
 
     return create_loopback(path)
+
+
+def is_mapped_loopback_device(device):
+    """
+    Checks if a given device name is an existing/mapped loopback device.
+    :param device: str: Full path to the device (eg, /dev/loop1).
+    :returns: str: Path to the backing file if is a loopback device
+    empty string otherwise
+    """
+    return loopback_devices().get(device, "")

charmhelpers/contrib/storage/linux/lvm.py

@@ -1,3 +1,18 @@
+# Copyright 2014-2015 Canonical Limited.
+#
+# 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.
+
+import functools
 from subprocess import (
     CalledProcessError,
     check_call,
@@ -12,7 +27,7 @@ from subprocess import (
 ##################################################
 def deactivate_lvm_volume_group(block_device):
     '''
-    Deactivate any volume group associated with an LVM physical volume.
+    Deactivate any volume gruop associated with an LVM physical volume.
 
     :param block_device: str: Full path to LVM physical volume
     '''
@@ -60,9 +75,10 @@ def list_lvm_volume_group(block_device):
     '''
     vg = None
     pvd = check_output(['pvdisplay', block_device]).splitlines()
-    for l in pvd:
-        if l.strip().startswith('VG Name'):
-            vg = ' '.join(l.split()).split(' ').pop()
+    for lvm in pvd:
+        lvm = lvm.decode('UTF-8')
+        if lvm.strip().startswith('VG Name'):
+            vg = ' '.join(lvm.strip().split()[2:])
     return vg
 
 
@@ -86,3 +102,81 @@ def create_lvm_volume_group(volume_group, block_device):
     :block_device: str: Full path of PV-initialized block device.
     '''
     check_call(['vgcreate', volume_group, block_device])
+
+
+def list_logical_volumes(select_criteria=None, path_mode=False):
+    '''
+    List logical volumes
+
+    :param select_criteria: str: Limit list to those volumes matching this
+                                 criteria (see 'lvs -S help' for more details)
+    :param path_mode: bool: return logical volume name in 'vg/lv' format, this
+                            format is required for some commands like lvextend
+    :returns: [str]: List of logical volumes
+    '''
+    lv_diplay_attr = 'lv_name'
+    if path_mode:
+        # Parsing output logic relies on the column order
+        lv_diplay_attr = 'vg_name,' + lv_diplay_attr
+    cmd = ['lvs', '--options', lv_diplay_attr, '--noheadings']
+    if select_criteria:
+        cmd.extend(['--select', select_criteria])
+    lvs = []
+    for lv in check_output(cmd).decode('UTF-8').splitlines():
+        if not lv:
+            continue
+        if path_mode:
+            lvs.append('/'.join(lv.strip().split()))
+        else:
+            lvs.append(lv.strip())
+    return lvs
+
+
+list_thin_logical_volume_pools = functools.partial(
+    list_logical_volumes,
+    select_criteria='lv_attr =~ ^t')
+
+list_thin_logical_volumes = functools.partial(
+    list_logical_volumes,
+    select_criteria='lv_attr =~ ^V')
+
+
+def extend_logical_volume_by_device(lv_name, block_device):
+    '''
+    Extends the size of logical volume lv_name by the amount of free space on
+    physical volume block_device.
+
+    :param lv_name: str: name of logical volume to be extended (vg/lv format)
+    :param block_device: str: name of block_device to be allocated to lv_name
+    '''
+    cmd = ['lvextend', lv_name, block_device]
+    check_call(cmd)
+
+
+def create_logical_volume(lv_name, volume_group, size=None):
+    '''
+    Create a new logical volume in an existing volume group
+
+    :param lv_name: str: name of logical volume to be created.
+    :param volume_group: str: Name of volume group to use for the new volume.
+    :param size: str: Size of logical volume to create (100% if not supplied)
+    :raises subprocess.CalledProcessError: in the event that the lvcreate fails.
+    '''
+    if size:
+        check_call([
+            'lvcreate',
+            '--yes',
+            '-L',
+            '{}'.format(size),
+            '-n', lv_name, volume_group
+        ])
+    # create the lv with all the space available, this is needed because the
+    # system call is different for LVM
+    else:
+        check_call([
+            'lvcreate',
+            '--yes',
+            '-l',
+            '100%FREE',
+            '-n', lv_name, volume_group
+        ])

charmhelpers/contrib/storage/linux/utils.py

@@ -1,8 +1,25 @@
-from os import stat
+# Copyright 2014-2015 Canonical Limited.
+#
+# 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.
+
+import os
+import re
 from stat import S_ISBLK
 
 from subprocess import (
-    check_call
+    check_call,
+    check_output,
+    call
 )
 
 
@@ -12,7 +29,9 @@ def is_block_device(path):
 
     :returns: boolean: True if path is a block device, False if not.
     '''
-    return S_ISBLK(stat(path).st_mode)
+    if not os.path.exists(path):
+        return False
+    return S_ISBLK(os.stat(path).st_mode)
 
 
 def zap_disk(block_device):
@@ -22,4 +41,45 @@ def zap_disk(block_device):
 
     :param block_device: str: Full path of block device to clean.
     '''
-    check_call(['sgdisk', '--zap-all', block_device])
+    # https://github.com/ceph/ceph/commit/fdd7f8d83afa25c4e09aaedd90ab93f3b64a677b
+    # sometimes sgdisk exits non-zero; this is OK, dd will clean up
+    call(['sgdisk', '--zap-all', '--', block_device])
+    call(['sgdisk', '--clear', '--mbrtogpt', '--', block_device])
+    dev_end = check_output(['blockdev', '--getsz',
+                            block_device]).decode('UTF-8')
+    gpt_end = int(dev_end.split()[0]) - 100
+    check_call(['dd', 'if=/dev/zero', 'of=%s' % (block_device),
+                'bs=1M', 'count=1'])
+    check_call(['dd', 'if=/dev/zero', 'of=%s' % (block_device),
+                'bs=512', 'count=100', 'seek=%s' % (gpt_end)])
+
+
+def is_device_mounted(device):
+    '''Given a device path, return True if that device is mounted, and False
+    if it isn't.
+
+    :param device: str: Full path of the device to check.
+    :returns: boolean: True if the path represents a mounted device, False if
+        it doesn't.
+    '''
+    try:
+        out = check_output(['lsblk', '-P', device]).decode('UTF-8')
+    except Exception:
+        return False
+    return bool(re.search(r'MOUNTPOINT=".+"', out))
+
+
+def mkfs_xfs(device, force=False):
+    """Format device with XFS filesystem.
+
+    By default this should fail if the device already has a filesystem on it.
+    :param device: Full path to device to format
+    :ptype device: tr
+    :param force: Force operation
+    :ptype: force: boolean"""
+    cmd = ['mkfs.xfs']
+    if force:
+        cmd.append("-f")
+
+    cmd += ['-i', 'size=1024', device]
+    check_call(cmd)

charmhelpers/core/host.py

@@ -46,6 +46,7 @@ if __platform__ == "ubuntu":
         lsb_release,
         cmp_pkgrevno,
         CompareHostReleases,
+        get_distrib_codename,
     )  # flake8: noqa -- ignore F401 for this import
 elif __platform__ == "centos":
     from charmhelpers.core.host_factory.centos import (  # NOQA:F401

charmhelpers/core/host_factory/ubuntu.py

@@ -72,6 +72,14 @@ def lsb_release():
     return d
 
 
+def get_distrib_codename():
+    """Return the codename of the distribution
+    :returns: The codename
+    :rtype: str
+    """
+    return lsb_release()['DISTRIB_CODENAME'].lower()
+
+
 def cmp_pkgrevno(package, revno, pkgcache=None):
     """Compare supplied revno with the revno of the installed package.
 

charmhelpers/fetch/python/__init__.py

@@ -1,4 +1,4 @@
-# Copyright 2014-2015 Canonical Limited.
+# Copyright 2014-2019 Canonical Limited.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

charmhelpers/fetch/python/debug.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+# Copyright 2014-2015 Canonical Limited.
+#
+# 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.
+
+from __future__ import print_function
+
+import atexit
+import sys
+
+from charmhelpers.fetch.python.rpdb import Rpdb
+from charmhelpers.core.hookenv import (
+    open_port,
+    close_port,
+    ERROR,
+    log
+)
+
+__author__ = "Jorge Niedbalski <jorge.niedbalski@canonical.com>"
+
+DEFAULT_ADDR = "0.0.0.0"
+DEFAULT_PORT = 4444
+
+
+def _error(message):
+    log(message, level=ERROR)
+
+
+def set_trace(addr=DEFAULT_ADDR, port=DEFAULT_PORT):
+    """
+    Set a trace point using the remote debugger
+    """
+    atexit.register(close_port, port)
+    try:
+        log("Starting a remote python debugger session on %s:%s" % (addr,
+                                                                    port))
+        open_port(port)
+        debugger = Rpdb(addr=addr, port=port)
+        debugger.set_trace(sys._getframe().f_back)
+    except Exception:
+        _error("Cannot start a remote debug session on %s:%s" % (addr,
+                                                                 port))

charmhelpers/fetch/python/rpdb.py

@@ -0,0 +1,56 @@
+# Copyright 2014-2015 Canonical Limited.
+#
+# 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.
+
+"""Remote Python Debugger (pdb wrapper)."""
+
+import pdb
+import socket
+import sys
+
+__author__ = "Bertrand Janin <b@janin.com>"
+__version__ = "0.1.3"
+
+
+class Rpdb(pdb.Pdb):
+
+    def __init__(self, addr="127.0.0.1", port=4444):
+        """Initialize the socket and initialize pdb."""
+
+        # Backup stdin and stdout before replacing them by the socket handle
+        self.old_stdout = sys.stdout
+        self.old_stdin = sys.stdin
+
+        # Open a 'reusable' socket to let the webapp reload on the same port
+        self.skt = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.skt.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
+        self.skt.bind((addr, port))
+        self.skt.listen(1)
+        (clientsocket, address) = self.skt.accept()
+        handle = clientsocket.makefile('rw')
+        pdb.Pdb.__init__(self, completekey='tab', stdin=handle, stdout=handle)
+        sys.stdout = sys.stdin = handle
+
+    def shutdown(self):
+        """Revert stdin and stdout, close the socket."""
+        sys.stdout = self.old_stdout
+        sys.stdin = self.old_stdin
+        self.skt.close()
+        self.set_continue()
+
+    def do_continue(self, arg):
+        """Stop all operation on ``continue``."""
+        self.shutdown()
+        return 1
+
+    do_EOF = do_quit = do_exit = do_c = do_cont = do_continue

charmhelpers/fetch/python/version.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+# Copyright 2014-2015 Canonical Limited.
+#
+# 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.
+
+import sys
+
+__author__ = "Jorge Niedbalski <jorge.niedbalski@canonical.com>"
+
+
+def current_version():
+    """Current system python version"""
+    return sys.version_info
+
+
+def current_version_string():
+    """Current system python version as string major.minor.micro"""
+    return "{0}.{1}.{2}".format(sys.version_info.major,
+                                sys.version_info.minor,
+                                sys.version_info.micro)