![Puppet
exec { "maven-untar":
manifests command => "tar xf /tmp/x.tgz",
cwd => "/opt",
creates => "/opt/apache-maven-${version}",
ruby-like path => ["/bin"],
} ->
ERB templates file { "/usr/bin/mvn":
ensure => link,
target => "/opt/apache-maven-${version}/bin/mvn",
}
file { "/usr/local/bin/mvn":
ensure => absent,
require => Exec["maven-untar"],
}
file { "$home/.mavenrc":
mode => "0600",
owner => $user,
content => template("maven/mavenrc.erb"),
require => User[$user],
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-23-2048.jpg)
![ordering
file {'/tmp/test1':
ensure => present,
content => "Hi.",
}
notify {'/tmp/test1 has already
been synced.':
require => File['/tmp/test1'],
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-45-2048.jpg)
![package / file /service / subscribe
package { 'openssh-server':
ensure => present,
before => File['/etc/ssh/sshd_config'],
}
file { '/etc/ssh/sshd_config':
ensure => file,
mode => 600,
source => '/root/learning-manifests/sshd_config',
}
service { 'sshd':
ensure => running,
enable => true,
hasrestart => true,
hasstatus => true,
subscribe => File['/etc/ssh/sshd_config'],
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-47-2048.jpg)
![facts
host {'self':
ensure => present,
name => $::fqdn,
host_aliases => ['puppet', $::hostname],
ip => $::ipaddress,
}
file {'motd':
ensure => file,
path => '/etc/motd',
mode => 0644,
content => "Welcome to ${::hostname},na $
{::operatingsystem} island in the sea of ${::domain}.
n",
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-49-2048.jpg)
![conditionals
if $is_virtual {
service {'ntpd':
ensure => stopped,
enable => false,
}
}
else {
service { 'ntpd':
name => 'ntpd',
ensure => running,
enable => true,
hasrestart => true,
require => Package['ntp'],
}
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-50-2048.jpg)
![class definition
class ntp {
package { 'ntp':
ensure => installed,
}
service { 'ntp':
name => 'ntpd',
ensure => running,
enable => true,
subscribe => File['ntp.conf'],
}
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-52-2048.jpg)
![templating
file {'/etc/foo.conf':
ensure => file,
require => Package['foo'],
content => template('foo/foo.conf.erb'),
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-57-2048.jpg)
![Installing Maven
$repo1 = {
id => "myrepo",
username => "myuser",
password => "mypassword",
url => "http://repo.acme.com",
}
# Install Maven
class { "maven::maven":
version => "2.2.1",
} ->
# Create a settings.xml with the repo credentials
class { "maven::settings" :
servers => [$repo1],
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-73-2048.jpg)
![New Maven type
maven { "/tmp/maven-core-2.2.1.jar":
id => "org.apache.maven:maven-core:jar:2.2.1",
repos => ["http://repo1.maven.apache.org/maven2",
"http://mirrors.ibiblio.org/pub/mirrors/maven2"],
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-74-2048.jpg)
![New Maven type
maven { "/tmp/maven-core-2.2.1.jar":
groupId => "org.apache.maven",
artifactId => "maven-core",
version => "2.2.1",
packaging => "jar",
repos => ["http://repo1.maven.apache.org/maven2",
"http://mirrors.ibiblio.org/pub/mirrors/maven2"],
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-75-2048.jpg)
![maestrodev - maven
maven { "${webapp}.war":
id => 'org.appfuse:appfuse-spring:2.1.0:war',
require => File['/srv/tomcat/appfuse/webapps'],
notify => Service['tomcat-centrepoint'],
}](https://image.slidesharecdn.com/2012-09puppetforjavadevelopers-javazone-120912040436-phpapp01/75/Puppet-for-Java-developers-JavaZone-NO-2012-82-2048.jpg)
Uploaded byCarlos Sanchez
Puppet for Java developers - JavaZone NO 2012
The document provides an overview of using Puppet for Java developers, detailing concepts like DevOps, infrastructure as code, and tools for automation such as Vagrant and Maven. It emphasizes the importance of practices like iterative development and continuous integration while offering code snippets and examples for implementing various system configurations using Puppet. It also lists various published resources and modules that assist Java developers in deploying applications efficiently.
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Puppet for Java developers - JavaZone NO 2012
- 1. Puppet for Java developers CarlosSanchez @csanchez http://carlossanchez.eu http://maestrodev.com
- 2. Apache @csanchez Maven Apache ASF Archiva Member Apache Eclipse IAM Continuum blog.carlossanchez.eu
- 3.
- 5.
- 6. Agile planning iterative development continuous integration release soon, release often
- 9. DevOps addresses Fear of change Risky deployments It works on my machine! Siloisation Dev Change vs. Ops stability
- 10. Individuals and interactionsover processes and tools Working software over comprehensive documentation Customer collaboration over contract negotiation Responding to change over following a plan
- 12. DevOps is NOTabout the tools
- 13. Nice, BUT how canI implement IT
- 14. Nice, BUT how canI implement IT
- 15. Tools can enable changein behavior and eventually change culture Patrick Debois
- 16. DevOps tools everyone isintelligent enough every tool is cloud enabled every tool is DevOps(tm)
- 17. DevOps tools everyone isintelligent enough every tool is cloud enabled every tool is DevOps(tm)
- 19. DevOps tools: infrastructureautomation infrastructure as code it’s all invented, now it’s standardized
- 20. Infrastructure as Code Newsolutions bring new challenges Follow development best practices tagging branching releasing dev, QA, production
- 21. New solutions bringnew problems DEVOPS “MY MACHINES ARE BEING PROVISIONED”
- 23. Puppet exec { "maven-untar": manifests command => "tar xf /tmp/x.tgz", cwd => "/opt", creates => "/opt/apache-maven-${version}", ruby-like path => ["/bin"], } -> ERB templates file { "/usr/bin/mvn": ensure => link, target => "/opt/apache-maven-${version}/bin/mvn", } file { "/usr/local/bin/mvn": ensure => absent, require => Exec["maven-untar"], } file { "$home/.mavenrc": mode => "0600", owner => $user, content => template("maven/mavenrc.erb"), require => User[$user], }
- 24. Puppet infrastructure IS code package { 'openssh-server': ensure => present, }
- 25. Puppet declarative model state vsprocess no scripting service { 'ntp': name => 'ntpd', ensure => running, }
- 26.
- 27.
- 28. Vagrant Oracle VirtualBox cmdline automation Easy Puppet and Chef provisioning Keep VM configuration for different projects Share boxes and configuration files across teams base box + configuration files http://vagrantup.com/
- 29. Vagrant base boxes www.vagrantbox.es anywhere! just (big) files
- 30. using Vagrant $ vagrantbox add centos-6.0-x86_64 http://dl.dropbox.com/u/1627760/centos-6.0-x86_64.box $ vagrant init myproject $ vagrant up $ vagrant ssh $ vagrant suspend $ vagrant resume $ vagrant destroy
- 31. Vagrant Vagrant::Config.run do |config| # Every Vagrant virtual environment requires a box to build off of. config.vm.box = "centos-6.0-x86_64" # The url from where the 'config.vm.box' box will be fetched config.vm.box_url = "http://dl.dropbox.com/u/1627760/centos-6.0-x86_64.box" # Boot with a GUI so you can see the screen. (Default is headless) #config.vm.boot_mode = :gui # Assign this VM to a host only network IP, allowing you to access it via the IP. # config.vm.network "33.33.33.10" # Forward a port from the guest to the host, which allows for outside # computers to access the VM, whereas host only networking does not. config.vm.forward_port "sonar", 9000, 19000 config.vm.provision :puppet do |puppet| puppet.manifest_file = "site.pp" puppet.module_path = "mymodules" end end
- 32. manifests/base.pp package { jdk: ensure => installed, name => $operatingsystem ? { centOS => "java-1.6.0-openjdk-devel", Ubuntu => "openjdk-6-jdk", default => "jdk", }, }
- 33.
- 34. VeeWee easily build Vagrant base boxes https://github.com/jedi4ever/veewee
- 35. using VeeWee $ geminstall veewee $ vagrant basebox templates $ vagrant basebox define 'my-ubuntu-server' 'ubuntu-11.04-server-amd64' # customize definitions/my-ubuntu-server $ vagrant basebox build 'my-ubuntu-server' $ vagrant basebox validate 'my-ubuntu-server' $ vagrant basebox export 'my-ubuntu-server' $ vagrant box add 'my-ubuntu-server' 'my-ubuntu-server.box' $ vagrant init 'my-ubuntu-server'
- 36.
- 37.
- 38.
- 39.
- 40.
- 41.
- 42. Puppet resources user {'dave': ensure => present, uid => '507', gid => 'admin', shell => '/bin/zsh', home => '/home/dave', managehome => true, }
- 43. Puppet resources file {'testfile': path => '/tmp/testfile', ensure => present, mode => 0640, content => "I'm a test file.", } notify {"I'm notifying you.":}
- 44. Puppet standalone $ puppetapply my_test_manifest.pp
- 45. ordering file {'/tmp/test1': ensure => present, content => "Hi.", } notify {'/tmp/test1 has already been synced.': require => File['/tmp/test1'], }
- 46. ordering file {'/tmp/test1': ensure => present, content => "Hi.", } -> notify {'/tmp/test1 has already been synced.':}
- 47. package / file/service / subscribe package { 'openssh-server': ensure => present, before => File['/etc/ssh/sshd_config'], } file { '/etc/ssh/sshd_config': ensure => file, mode => 600, source => '/root/learning-manifests/sshd_config', } service { 'sshd': ensure => running, enable => true, hasrestart => true, hasstatus => true, subscribe => File['/etc/ssh/sshd_config'], }
- 48. variables $longthing = "ImagineI have something really long in here. Like an SSH key, let's say." file {'authorized_keys': path => '/root/.ssh/authorized_keys', content => $longthing, }
- 49. facts host {'self': ensure => present, name => $::fqdn, host_aliases => ['puppet', $::hostname], ip => $::ipaddress, } file {'motd': ensure => file, path => '/etc/motd', mode => 0644, content => "Welcome to ${::hostname},na $ {::operatingsystem} island in the sea of ${::domain}. n", }
- 50. conditionals if $is_virtual { service {'ntpd': ensure => stopped, enable => false, } } else { service { 'ntpd': name => 'ntpd', ensure => running, enable => true, hasrestart => true, require => Package['ntp'], } }
- 51. conditionals case $operatingsystem { centos, redhat: { $apache = "httpd" } debian, ubuntu: { $apache = "apache2" } default: { fail("Unrecognized operating system for webserver") } } $apache = $operatingsystem ? { centos => 'httpd', redhat => 'httpd', /(?i)(ubuntu|debian)/ => "apache2-$1", # (Don't actually use that package name.) default => undef, }
- 52. class definition class ntp{ package { 'ntp': ensure => installed, } service { 'ntp': name => 'ntpd', ensure => running, enable => true, subscribe => File['ntp.conf'], } }
- 53. class declaration class {'myclass': param1 => 'a', param2 => 'b', }
- 54.
- 55. parameterized classes class paramclassexample($value1, $value2 = "Default value") { notify {"Value 1 is ${value1}.":} notify {"Value 2 is ${value2}.":} } class {'paramclassexample': value1 => 'Something', value2 => 'Something else', } class {'paramclassexample': value1 => 'Something', }
- 56. definitions define myfile ($path){ file {$path: content => 'Something'} } myfile {'a': path => '/tmp/a', } myfile {'b': path => '/tmp/b', }
- 57. templating file {'/etc/foo.conf': ensure => file, require => Package['foo'], content => template('foo/foo.conf.erb'), }
- 58. templates/foo.conf.erb OS is <%=$::operatingsystem %>
- 59. node configuration # nodes.pp node'someserver.domain.com' inherits basenode { $web_fqdn = 'www.domain.com' include genericwebserver include some_other_service } node 'ldapmaster.domain.com' inherits basenode { include s_ldap::master } node 'humanresources.domain.com' inherits basenode { include c_humanresources }
- 60.
- 61. module tool $ puppetmodule generate csanchez-mymodule
- 62. modules {module}/ files/ lib/ manifests/ init.pp {class}.pp {defined type}.pp {namespace}/ {class}.pp {class}.pp templates/ spec/ tests/
- 63. Modulefile name 'csanchez-mymodule' version '0.0.1' source'UNKNOWN' author 'csanchez' license 'Apache License,Version 2.0' summary 'UNKNOWN' description 'UNKNOWN' project_page 'UNKNOWN' ## Add dependencies, if any: # dependency 'username/name', '>= 1.2.0'
- 64. building a module $puppet module build
- 65. Puppetlabs Forge http://forge.puppetlabs.com A library of modules
- 67. librarian-puppet http://librarian-puppet.com/ $ librarian-puppet init #edit Puppetfile $ librarian-puppet install
- 68. Puppetfile forge "http://forge.puppetlabs.com" # mod'puppetlabs/stdlib' # mod 'ntp', # :git => 'git://github.com/puppetlabs/puppetlabs-ntp.git' # mod 'apt', # :git => 'https://github.com/puppetlabs/puppetlabs-apt.git', # :ref => 'feature/master/dans_refactor'
- 69.
- 70. What am Idoing to automate deployment Ant tasks plugin ssh commands Assembly plugin Cargo Capistrano
- 71. What can Ido to automate deployment Handle full deployment including infrastructure not just webapp deployment Help Ops with clear, automated manifests Ability to reproduce production environments in local box using Vagrant / VirtualBox / VMWare Use the right tool for the right job
- 72. Maven-Puppet module A Maven Puppet module https://github.com/maestrodev/puppet-maven fetches Maven artifacts from the repo manages them with Puppet no more extra packaging
- 73. Installing Maven $repo1 ={ id => "myrepo", username => "myuser", password => "mypassword", url => "http://repo.acme.com", } # Install Maven class { "maven::maven": version => "2.2.1", } -> # Create a settings.xml with the repo credentials class { "maven::settings" : servers => [$repo1], }
- 74. New Maven type maven{ "/tmp/maven-core-2.2.1.jar": id => "org.apache.maven:maven-core:jar:2.2.1", repos => ["http://repo1.maven.apache.org/maven2", "http://mirrors.ibiblio.org/pub/mirrors/maven2"], }
- 75. New Maven type maven{ "/tmp/maven-core-2.2.1.jar": groupId => "org.apache.maven", artifactId => "maven-core", version => "2.2.1", packaging => "jar", repos => ["http://repo1.maven.apache.org/maven2", "http://mirrors.ibiblio.org/pub/mirrors/maven2"], }
- 76.
- 77. Tomcat cluster +postgres postgres database db.acme.com tomcat servers tomcat1.acme.com tomcat2.acme.com ... web server www.acme.com
- 78. Modules required puppetlabs/stdlib puppetlabs/java puppetlabs/apache inkling/postgresql camptocamp/tomcat maestrodev/maven maestrodev/wget stahnma/epel
- 79. Puppetfile forge 'http://forge.puppetlabs.com' mod 'puppetlabs/stdlib', '3.0.1' mod 'puppetlabs/java', '0.1.6' mod 'puppetlabs/apache', '0.2.2' mod 'inkling/postgresql' mod 'camptocamp/tomcat', :git => 'git://github.com/camptocamp/puppet-tomcat.git', :ref => '16e498' mod 'maestrodev/maven', ‘0.0.1’ mod 'maestrodev/wget', '0.0.1' mod 'stahnma/epel', '0.0.2'
- 80. inkling - postgres class{ 'postgresql::server': config_hash => { 'ip_mask_allow_all_users' => '192.168.0.0/0', 'listen_addresses' => '*', 'manage_redhat_firewall' => true, 'postgres_password' => 'postgres', }, } postgresql::db { 'appfuse': user => 'appfuse', password => 'appfuse', grant => 'all', }
- 81. camptocamp - tomcat tomcat::instance{ 'appfuse': ensure => present, http_port => 8080, } $webapp = '/srv/tomcat/appfuse/webapps/ROOT'
- 82. maestrodev - maven maven{ "${webapp}.war": id => 'org.appfuse:appfuse-spring:2.1.0:war', require => File['/srv/tomcat/appfuse/webapps'], notify => Service['tomcat-centrepoint'], }
- 83. Puppet Rspec require'spec_helper' describe 'db.acme.com' do let(:facts) { { :osfamily => 'RedHat', :operatingsystem => 'CentOS', :operatingsystemrelease => 6.3} } it { should_not contain_class('java') } it { should contain_class('postgresql::server')} end
- 84. Example code andslides Available at http://slideshare.carlossanchez.eu http://github.carlossanchez.eu https://github.com/carlossg/puppet-for-java-devs http://blog.carlossanchez.eu https://github.com/maestrodev/puppet-modules
- 85.
- 86. Photo Credits Son of Man Lego - Alex Eylar http://www.flickr.com/photos/hoyvinmayvin/4702772452/ Brick wall - Luis Argerich http://www.flickr.com/photos/lrargerich/4353397797/ Agile vs. Iterative flow - Christopher Little http://en.wikipedia.org/wiki/File:Agile-vs-iterative-flow.jpg DevOps - Rajiv.Pant http://en.wikipedia.org/wiki/File:Devops.png Pimientos de Padron - Howard Walfish http://www.flickr.com/photos/h-bomb/4868400647/ Compiling - XKCD http://xkcd.com/303/ Printer in 1568 - Meggs, Philip B http://en.wikipedia.org/wiki/File:Printer_in_1568-ce.png Relativity - M. C. Escher http://en.wikipedia.org/wiki/File:Escher%27s_Relativity.jpg Teacher and class - Herald Post http://www.flickr.com/photos/heraldpost/5169295832/
Editor's Notes
- #2 \n
- #3 question? #developers vs #ops vs #devops\n
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- #13 question? what do you do to specify ops requirements?\n
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- #15 question? what do you do to specify ops requirements?\n
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