devops-school/chef-common-resource-types.rb

## chef-common-resource-types.rb
chef-common-resource-types.rb
# =======package==============
package 'Install Apache' do
  case node[:platform]
  when 'redhat', 'centos'
    package_name 'httpd'
  when 'ubuntu', 'debian'
    package_name 'apache2'
  end
end

# =======service==============
service "tomcat" do
  action :start
end

# =======user==============
user 'a user' do
  comment 'A random user'
  uid 1234
  gid 'groupname'
  home '/home/random'
  shell '/bin/bash'
  password '$1$JJsvHslasdfjVEroftprNn4JHtDi'
end

# =======group==============
group 'name' do
  append                true, false # default value: false
  comment               String
  excluded_members      String, Array
  gid                   String, Integer
  group_name            String # default value: 'name' unless specified
  members               String, Array
  non_unique            true, false # default value: false
  system                true, false # default value: false
  action                Symbol # defaults to :create if not specified
end

# =======template==============
template '/etc/motd' do
  source 'motd.erb'
  owner 'root'
  group 'root'
  mode '0755'
end

# =======cookbook_file==============
cookbook_file '/var/www/customers/public_html/index.php' do
  source 'index.php'
  owner 'web_admin'
  group 'web_admin'
  mode '0755'
  action :create
end

# =======file==============
file '/var/www/customers/public_html/index.php' do
  content '<html>This is a placeholder for the home page.</html>'
  mode '0755'
  owner 'web_admin'
  group 'web_admin'
end

# =======directory==============
directory '/etc/apache2' do
  owner 'root'
  group 'root'
  mode '0755'
  action :create
end

# =======execute==============
execute 'apache_configtest' do
  command '/usr/sbin/apachectl configtest'
end

execute 'Execute my script' do
  user    'root'
  cwd     '/mydir'
  command './myscript.sh'
end

execute 'Execute my script' do
  user    'root'
  cwd     '/mydir'
  command './myscript.sh'
  command 'ls srini' #will fail
  command 'ls' # will be successful
end

# =======cron==============
cron 'cookbooks_report' do
  action :create
  minute '0'
  hour '0'
  weekday '1'
  user 'getchef'
  mailto 'sysadmin@example.com'
  home '/srv/supermarket/shared/system'
  command %W{
    cd /srv/supermarket/current &&
    env RUBYLIB="/srv/supermarket/current/lib"
    RAILS_ASSET_ID=`git rev-parse HEAD` RAILS_ENV="#{rails_env}"
    bundle exec rake cookbooks_report
  }.join(' ')
end

# ===================Bash=======================
bash 'Execute my script' do
  user 'root'
  cwd  '/mydir'
  code <<-EOH
    ./myscript.sh
  EOH
end

bash 'Execute my script' do
  user 'root'
  cwd  '/mydir'
  code <<-EOH
    ./myscript.sh
    ls srini ##This will fail
    ls  ## this will be successful
  EOH
end

# ============== log ================
log 'message' do
  message 'A message add to the log.'
  level :info
end
	chef-common-resource-types.rb
	# =======package==============
	package 'Install Apache' do
	case node[:platform]
	when 'redhat', 'centos'
	package_name 'httpd'
	when 'ubuntu', 'debian'
	package_name 'apache2'
	end
	end

	# =======service==============
	service "tomcat" do
	action :start
	end

	# =======user==============
	user 'a user' do
	comment 'A random user'
	uid 1234
	gid 'groupname'
	home '/home/random'
	shell '/bin/bash'
	password '$1$JJsvHslasdfjVEroftprNn4JHtDi'
	end

	# =======group==============
	group 'name' do
	append true, false # default value: false
	comment String
	excluded_members String, Array
	gid String, Integer
	group_name String # default value: 'name' unless specified
	members String, Array
	non_unique true, false # default value: false
	system true, false # default value: false
	action Symbol # defaults to :create if not specified
	end

	# =======template==============
	template '/etc/motd' do
	source 'motd.erb'
	owner 'root'
	group 'root'
	mode '0755'
	end

	# =======cookbook_file==============
	cookbook_file '/var/www/customers/public_html/index.php' do
	source 'index.php'
	owner 'web_admin'
	group 'web_admin'
	mode '0755'
	action :create
	end

	# =======file==============
	file '/var/www/customers/public_html/index.php' do
	content '<html>This is a placeholder for the home page.</html>'
	mode '0755'
	owner 'web_admin'
	group 'web_admin'
	end

	# =======directory==============
	directory '/etc/apache2' do
	owner 'root'
	group 'root'
	mode '0755'
	action :create
	end

	# =======execute==============
	execute 'apache_configtest' do
	command '/usr/sbin/apachectl configtest'
	end

	execute 'Execute my script' do
	user 'root'
	cwd '/mydir'
	command './myscript.sh'
	end

	execute 'Execute my script' do
	user 'root'
	cwd '/mydir'
	command './myscript.sh'
	command 'ls srini' #will fail
	command 'ls' # will be successful
	end

	# =======cron==============
	cron 'cookbooks_report' do
	action :create
	minute '0'
	hour '0'
	weekday '1'
	user 'getchef'
	mailto 'sysadmin@example.com'
	home '/srv/supermarket/shared/system'
	command %W{
	cd /srv/supermarket/current &&
	env RUBYLIB="/srv/supermarket/current/lib"
	RAILS_ASSET_ID=`git rev-parse HEAD` RAILS_ENV="#{rails_env}"
	bundle exec rake cookbooks_report
	}.join(' ')
	end

	# ===================Bash=======================
	bash 'Execute my script' do
	user 'root'
	cwd '/mydir'
	code <<-EOH
	./myscript.sh
	EOH
	end

	bash 'Execute my script' do
	user 'root'
	cwd '/mydir'
	code <<-EOH
	./myscript.sh
	ls srini ##This will fail
	ls ## this will be successful
	EOH
	end

	# ============== log ================
	log 'message' do
	message 'A message add to the log.'
	level :info
	end