chrigl

Error: /Stage[main]/Cephdeploy/Concat[/home/cephdeploy/bootstrap/ceph.conf]/Exec[concat_/home/cephdeploy/bootstrap/
ceph.conf]: Could not evaluate: Could not find command '/var/lib/puppet/concat/bin/concatfragments.sh'

chrigl

This is a comment on "Advanced Database Programming with Python"

For example in MySQL, the index is implemented as a balanced tree. Quite obvious. If your are inserting a new entry with a random number, the tree may have to be rebalanced again. Now imagine, you are running a master node with several hundreds of slave nodes, each one of it has to rebalance its index. Maybe there are some usecases, where random ID actually makes sense. But most of the times they result in hard to debug problems on a large scale environment.

Again in MySQL, they assume, you will need the recently inserted entry in short time again. They get this entry because of its location in the balanced tree. So, with random IDs, you break this mechanism as well.

However. All this stuff depends on the DBMS you are using, but auto_increment is a well known and well tested feature within decades. Do not try to solve problems that do not exist ;)

chrigl

def issocket(fname):
    """ Returns True if fname is a socket. """
    if not os.path.exists(fname):
        return False
    return stat.S_ISSOCK(os.stat(fname).st_mode)

chrigl

# get identities
_ssh_agent_msg = chr(11)

def check_ssh_agent(fname):
    """ Check if ssh-agent works.
    Returns True if ssh-agent got response from ssh-agent """
    conn = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
    conn.connect(fname)
    conn.settimeout(10)

chrigl

# -*- coding: utf-8 -*-

from io import StringIO
from lxml import etree


pre_str = """

.. code-block::

chrigl

#!/usr/bin/env python3
import sys
import dbus
import time
import json
import argparse
import threading
import functools
import http.server
from gi.repository import GObject

chrigl

#!/usr/bin/env python
#
# Copyright 2015 c.glaubitz@syseleven.de
#
# 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
# 

chrigl

#!/usr/bin/env python
from __future__ import print_function

from kazoo.client import KazooClient
from collections import Counter

# id of ext-net
DEFAULT_BRIDGE='caf8de33-1059-4473-a2c1-2a62d12294fa'

chrigl

[DEFAULT]

[oslo_concurrency]
lock_path = /var/lib/tempest/run_lock

[auth]
test_accounts_file = /etc/tempest/accounts.yaml
use_dynamic_credentials = false

[identity]

chrigl

heat_template_version: 2015-04-30 


resources:

  network:
    type: OS::Neutron::Net
    properties:
      name: ceph_dev_net