/
default.rb
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/
default.rb
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#
# Cookbook Name:: zookeeper
# Recipe:: default
#
#
# Portions Copyright (c) 2012-2014 VMware, Inc. All Rights Reserved.
# 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.
#
include_recipe "java::sun"
include_recipe "hadoop_common::pre_run"
include_recipe "hadoop_common::mount_disks"
include_recipe "hadoop_cluster::update_attributes"
# alias home dir
if is_pivotalhd_distro
node.normal[:zookeeper][:home_dir] = '/usr/lib/gphd/zookeeper'
end
force_link("/usr/lib/zookeeper", node[:zookeeper][:home_dir])
group "hadoop" do
action [:create]
end
group "zookeeper" do
action [:create]
end
user "zookeeper" do
group "zookeeper"
shell "/bin/bash"
password nil
supports :manage_home => false
action [:create, :manage]
end
# Install Zookeeper
set_bootstrap_action(ACTION_INSTALL_PACKAGE, 'zookeeper', true)
if is_install_from_tarball
include_recipe "zookeeper::install_from_tarball"
else
include_recipe "zookeeper::install_from_package"
end
link "/etc/zookeeper" do
to node[:zookeeper][:home_dir] + "/conf"
end
# link Zookeeper data dir and log dir to the mounted data disk to get larger disk space
# assumes we have at least two data disks
data_dir = disks_mount_points[0]
log_dir = disks_mount_points.size > 1? disks_mount_points[1] : data_dir
if data_dir && log_dir
dirs = { '/var/lib/zookeeper' => data_dir + '/zookeeper/data', '/var/log/zookeeper' => log_dir + '/zookeeper/log'}
dirs.map do |src, des|
target = "#{des}"
directory target do
owner "zookeeper"
group "zookeeper"
mode "0755"
recursive true
end
link src do
to target
end
end
end
dirs = ["/var/run/zookeeper"]
dirs += ["/var/lib/zookeeper"] unless data_dir
dirs += ["/var/log/zookeeper"] unless log_dir
dirs.each do |dir|
directory dir do
owner "zookeeper"
group "zookeeper"
mode "0755"
end
end
ips = zookeepers_ip
listen_on_ip = ip_of_hdfs_network(node)
index = 0
servers = ""
if ips.size > 1
ips.each do |ip|
servers += "server.#{index}=#{ip}:#{node[:zookeeper][:peer_port]}:#{node[:zookeeper][:leader_port]}\n"
index += 1
end
else
servers = "server=#{ip}:#{node[:zookeeper][:peer_port]}:#{node[:zookeeper][:leader_port]}"
end
%w[ zoo.cfg log4j.properties ].each do |file|
template "/etc/zookeeper/#{file}" do
owner "zookeeper"
source "#{file}.erb"
mode "0644"
variables(:servers => servers, :listen_on_ip => listen_on_ip)
end
end
template "/etc/zookeeper/java.env" do
source "java.env.erb"
mode "0755"
owner "zookeeper"
group "zookeeper"
end
template "/var/lib/zookeeper/myid" do
source "myid.erb"
owner "zookeeper"
group "zookeeper"
variables(:myid => node[:facet_index])
end
template "#{node[:zookeeper][:home_dir]}/bin/zkEnv.sh" do
source "zkEnv.sh.erb"
owner "zookeeper"
group "zookeeper"
mode "0755"
end
# zookeeper-3.4.5 reads zkEnv.sh from dir libexec
file = "#{node[:zookeeper][:home_dir]}/libexec/zkEnv.sh"
template file do
only_if { File.exists?(file) }
source "zkEnv.sh.erb"
owner "zookeeper"
group "zookeeper"
mode "0755"
end
template "/etc/init.d/zookeeper-server" do
source "zookeeper-server.erb"
owner "root"
group "root"
mode "0755"
end
# This piece of code is for Hontonworks distro only(zookeeper 3.3.4)
bash "Remove invalid nc parameter in zkServer.sh" do
code "sed -i 's/nc -q 1/nc/' #{node[:zookeeper][:home_dir]}/bin/zkServer.sh"
end
## Launch Service
set_bootstrap_action(ACTION_START_SERVICE, node[:zookeeper][:zookeeper_service_name])
is_zookeeper_running = system("service #{node[:zookeeper][:zookeeper_service_name]} status")
service "restart-#{node[:zookeeper][:zookeeper_service_name]}" do
service_name node[:zookeeper][:zookeeper_service_name]
supports :status => true, :restart => true
subscribes :restart, resources("template[/etc/zookeeper/zoo.cfg]"), :delayed
subscribes :restart, resources("template[/etc/zookeeper/log4j.properties]"), :delayed
subscribes :restart, resources("template[/etc/zookeeper/java.env]"), :delayed
subscribes :restart, resources("template[#{node[:zookeeper][:home_dir]}/bin/zkEnv.sh]"), :delayed
notifies :create, resources("ruby_block[#{node[:zookeeper][:zookeeper_service_name]}]"), :immediately
end if is_zookeeper_running
service "start-#{node[:zookeeper][:zookeeper_service_name]}" do
service_name node[:zookeeper][:zookeeper_service_name]
action [ :disable, :start ]
supports :status => true, :restart => true
notifies :create, resources("ruby_block[#{node[:zookeeper][:zookeeper_service_name]}]"), :immediately
end
# Register with cluster_service_discovery
provide_service(node[:zookeeper][:zookeeper_service_name])
clear_bootstrap_action