Table of Contents
[hemmerling] Development and Operations ( DevOps ) 1/2
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Definition
Statements
.Software
Application Monitoring Software
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- The OpenSource MoSKito for Java application - “A multi-purpose, non-invasive, interval based monitoring system kit for collection, storage and instant analysis of application’s performance and behavior data”.
- Blog anotheria devblog.
- Probe for Java applications.
Chaos Monkey
- Gihub "Netflix / Simian Army" - “Consists of services (Monkeys) in the cloud for generating various kinds of failures, or detect abnormal conditions, and test our ability to survive them”.
- Github "Netflix / Simian Army / Chaos Monkey" - “A service which identifies groups of systems and randomly terminates one of the systems in a group”.
- Coding Horror "Working with the Chaos Monkey", 2011-04-25.
Configuration Management Software ( CM Software / CMS )
The most simple Solution: Bash Scripts for Linux, PowerShell Scripts for Windows
- Just execute Bash scripts on Linux, or PowerShell scripts for Windows to configure your servers.
Ansible
- The OpenSource Ansible, written in Python.
- Ansible Galaxy - “Find, reuse, and share the best Ansible content”.
- The online service Ansible Tower - “Manage up to 10 servers/instances for free!”.
-
- GitHub "ansible" - “A radically simple IT automation platform that makes your applications and systems easier to deploy. Avoid writing scripts or custom code to deploy and update your applications— automate in a language that approaches plain English, using SSH, with no agents to install on remote systems”.
- Ansible uses YAML for communications. So the communications is declarative. So you have to write YAML data.
- Ansible doesn't require a client on the target systems.
- I was told by experts in 2015 “Ansible and Docker are a strong combination”, supposing that the reputation, importance and success of Ansible will rise with the expected glorious success of Docker.
Bcfg2
- The OpenSource Bcfg2.
CFEngine
- The OpenSource CFEngine - The “mother” of all modern IT configuration management software, “puppet and “chef” are the next generation.
Chef
- The OpenSource Chef - “Systems integration framework, built to bring the benefits of configuration management to your entire infrastructure”.
- Chef "Supermarket" - “Find, explore and view Chef cookbooks for all of your ops needs”.
- Berkshelf, GitHub "berkshelf" - “A Chef Cookbook manager”, “Berkshelf is now included as part of the Chef-DK”.
- IBM uses “Chef” for the installation of the IT configuration management software “IBM The Cloud Manager with Openstack” ( CMwO ).
- IBM Knowledge Center "IBM Cloud Manager with OpenStack welcome page" - “IBM Cloud Manager with OpenStack V4.1.0 documentation”.
- Chef uses the Ruby language for communications. So the communications is imperative. So you have to write Ruby code.
- Chef requires a Chef client on the target systems.
- Chef parses its documents 2 times ( it reads the Chef source files 2 times ):
- Parsing of the Ruby script.
- Execution of special “blocks”.
- Chef offers BDD / TDD alike test options!
Fabric
- The OpenSource Fabric, witten in Python.
- “Fabric is a Python (2.5-2.7) library and command-line tool for streamlining the use of SSH for application deployment or systems administration tasks. It provides a basic suite of operations for executing local or remote shell commands (normally or via sudo) and uploading/downloading files, as well as auxiliary functionality such as prompting the running user for input, or aborting execution.”
Puppet
- The OpenSource “Puppet”.
-
- Puppet Forge - “A repository of modules”.
- Blog Puppet Labs Blog.
- Hewlett-Packard uses “Puppet” for IT infrastructure management.
- Puppet Labs “Hiera”.
-
- Puppet uses JSON for communications. So the communications is imperative. So you have to write JSON data.
- Puppet requires a Puppet client on the target systems.
SaltStack
- The OpenSource SaltStack, written in Python.
- SALT may be used with Vagrant ( see Virtual PCs, Virtual Servers, Virtualization, Virtual Computers, Computer Hardware Simulation ) for provisioning a “project” filespace on a virtual project computer and the transportation of data. In opposite, SALT is used for preparation of the development system ( IDE, compilerchain,... ) on the host development workstation, not on the virtual project computer.
- Both SALT and later the IDE on the host development workstation have access to a mapped filesytem on the virtual project computer.
Serverspec - RSpec Tests for Server Configurations
Resources
- Though most configuration management software is originally developed for Linux and its typical silent installation procedures, Windows editions of such tools might easily use “Microsoft PowerShell” on Windows to execute and control Windows non-GUI installers.
- Configuration management consists of 2 different challenges and tasks:
- Provisioning.
- Deployment.
- Wikipedia.
Data Center Deployment and System Management Software
- Google Code "YADT - an Augmented Deployment Tool ", Github "yadt - an Augmented Deployment Tool" - “A next generation data center deployment and system management tool”.
Network Monitoring Software
- Network and Datacenter Administration → See Network Tools 1/2.
Experts
Resources
- Wikipedia.
Forums, Newsgroups
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