Add new Redis cookbook
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256
cookbooks/redisio/providers/sentinel.rb
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256
cookbooks/redisio/providers/sentinel.rb
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action :run do
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configure
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new_resource.updated_by_last_action(true)
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end
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def configure
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base_piddir = new_resource.base_piddir
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current_version = if new_resource.version.nil?
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version
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else
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new_resource.version
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end
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version_hash = RedisioHelper.version_to_hash(current_version)
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# Setup a configuration file and init script for each configuration provided
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new_resource.sentinels.each do |current_instance|
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# Retrieve the default settings hash and the current server setups settings hash.
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current_instance_hash = current_instance.to_hash
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current_defaults_hash = new_resource.sentinel_defaults.to_hash
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# Merge the configuration defaults with the provided array of configurations provided
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current = current_defaults_hash.merge(current_instance_hash)
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recipe_eval do
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sentinel_name = current['name'] || current['port']
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sentinel_name = "sentinel_#{sentinel_name}"
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piddir = "#{base_piddir}/#{sentinel_name}"
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# Create the owner of the redis data directory
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user current['user'] do
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comment 'Redis service account'
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manage_home true
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home current['homedir']
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shell current['shell']
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system current['systemuser']
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uid current['uid'] unless current['uid'].nil?
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end
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# Create the redis configuration directory
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directory current['configdir'] do
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owner 'root'
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group platform_family?('freebsd') ? 'wheel' : 'root'
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mode '0755'
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recursive true
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action :create
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end
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# Create the pid file directory
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directory piddir do
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owner current['user']
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group current['group']
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mode '0755'
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recursive true
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action :create
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end
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unless current['logfile'].nil?
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# Create the log directory if syslog is not being used
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directory ::File.dirname(current['logfile']) do
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owner current['user']
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group current['group']
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mode '0755'
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recursive true
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action :create
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only_if { current['syslogenabled'] != 'yes' && current['logfile'] && current['logfile'] != 'stdout' }
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end
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# Create the log file is syslog is not being used
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file current['logfile'] do
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owner current['user']
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group current['group']
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mode '0644'
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backup false
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action :touch
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only_if { current['logfile'] && current['logfile'] != 'stdout' }
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end
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end
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# <%=@name%> <%=@masterip%> <%=@masterport%> <%= @quorum_count %>
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# <%= "sentinel auth-pass #{@name} #{@authpass}" unless @authpass.nil? %>
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# sentinel down-after-milliseconds <%=@name%> <%=@downaftermil%>
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# sentinel parallel-syncs <%=@name%> <%=@parallelsyncs%>
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# sentinel failover-timeout <%=@name%> <%=@failovertimeout%>
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# convert from old format (preserve compat)
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if !current['masters'] && current['master_ip']
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Chef::Log.warn('You are using a deprecated sentinel format. This will be removed in future versions.')
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# use old key names if newer key names aren't present (e.g. 'foo' || :foo)
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masters = [
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{
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master_name: current['master_name'] || current[:mastername],
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master_ip: current['master_ip'] || current[:masterip],
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master_port: current['master_port'] || current[:masterport],
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quorum_count: current['quorum_count'] || current[:quorum_count],
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auth_pass: current['auth-pass'] || current[:authpass],
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down_after_milliseconds: current['down-after-milliseconds'] || current[:downaftermil],
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parallel_syncs: current['parallel-syncs'] || current[:parallelsyncs],
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failover_timeout: current['failover-timeout'] || current[:failovertimeout],
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},
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]
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else
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masters = [current['masters']].flatten
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end
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# Load password for use with requirepass from data bag if needed
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if current['data_bag_name'] && current['data_bag_item'] && current['data_bag_key']
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bag = data_bag_item(current['data_bag_name'], current['data_bag_item'])
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masters.each do |master|
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master['auth_pass'] = bag[current['data_bag_key']]
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end
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end
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# merge in default values to each sentinel hash
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masters_with_defaults = []
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masters.each do |current_sentinel_master|
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default_sentinel_master = new_resource.sentinel_defaults.to_hash
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sentinel_master = default_sentinel_master.merge(current_sentinel_master || {})
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masters_with_defaults << sentinel_master
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end
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# Don't render a template if we're missing these from any sentinel,
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# as these are the minimal settings required to be passed in
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masters_with_defaults.each do |sentinel_instance|
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%w(master_ip master_port quorum_count).each do |param|
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raise "Missing required sentinel parameter #{param} for #{sentinel_instance}" unless sentinel_instance[param]
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end
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end
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# Lay down the configuration files for the current instance
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template "#{current['configdir']}/#{sentinel_name}.conf" do
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source 'sentinel.conf.erb'
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cookbook 'redisio'
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owner current['user']
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group current['group']
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mode '0644'
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action :create
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variables(
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name: current['name'],
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piddir: piddir,
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version: version_hash,
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job_control: node['redisio']['job_control'],
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sentinel_bind: current['sentinel_bind'],
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sentinel_port: current['sentinel_port'],
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loglevel: current['loglevel'],
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logfile: current['logfile'],
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syslogenabled: current['syslogenabled'],
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syslogfacility: current['syslogfacility'],
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masters: masters_with_defaults,
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announce_ip: current['announce-ip'],
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announce_port: current['announce-port'],
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notification_script: current['notification-script'],
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client_reconfig_script: current['client-reconfig-script'],
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protected_mode: current['protected_mode']
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)
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not_if { ::File.exist?("#{current['configdir']}/#{sentinel_name}.conf.breadcrumb") }
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end
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file "#{current['configdir']}/#{sentinel_name}.conf.breadcrumb" do
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content 'This file prevents the chef cookbook from overwritting the sentinel config more than once'
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action :create_if_missing
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end
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# Setup init.d file
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bin_path = if node['redisio']['install_dir']
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::File.join(node['redisio']['install_dir'], 'bin')
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else
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node['redisio']['bin_path']
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end
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template "/etc/init.d/redis_#{sentinel_name}" do
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source 'sentinel.init.erb'
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cookbook 'redisio'
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owner 'root'
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group 'root'
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mode '0755'
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variables(
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name: sentinel_name,
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bin_path: bin_path,
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user: current['user'],
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configdir: current['configdir'],
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piddir: piddir,
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platform: node['platform']
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)
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only_if { node['redisio']['job_control'] == 'initd' }
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end
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template "/etc/init/redis_#{sentinel_name}.conf" do
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source 'sentinel.upstart.conf.erb'
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cookbook 'redisio'
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owner current['user']
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group current['group']
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mode '0644'
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variables(
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name: sentinel_name,
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bin_path: bin_path,
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user: current['user'],
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group: current['group'],
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configdir: current['configdir'],
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piddir: piddir
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)
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only_if { node['redisio']['job_control'] == 'upstart' }
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end
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# TODO: fix for freebsd
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template "/usr/local/etc/rc.d/redis_#{sentinel_name}" do
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source 'sentinel.rcinit.erb'
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cookbook 'redisio'
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owner current['user']
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group current['group']
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mode '0755'
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variables(
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name: sentinel_name,
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bin_path: bin_path,
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user: current['user'],
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configdir: current['configdir'],
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piddir: piddir
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)
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only_if { node['redisio']['job_control'] == 'rcinit' }
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end
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end
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end
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# servers each loop
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end
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def redis_exists?
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bin_path = if node['redisio']['install_dir']
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::File.join(node['redisio']['install_dir'], 'bin')
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else
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node['redisio']['bin_path']
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end
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redis_server = ::File.join(bin_path, 'redis-server')
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::File.exist?(redis_server)
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end
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def version
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if redis_exists?
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bin_path = if node['redisio']['install_dir']
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::File.join(node['redisio']['install_dir'], 'bin')
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else
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node['redisio']['bin_path']
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end
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redis_server = ::File.join(bin_path, 'redis-server')
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redis_version = Mixlib::ShellOut.new("#{redis_server} -v")
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redis_version.run_command
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version = redis_version.stdout[/version (\d*.\d*.\d*)/, 1] || redis_version.stdout[/v=(\d*.\d*.\d*)/, 1]
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Chef::Log.info("The Redis server version is: #{version}")
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return version.delete("\n")
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end
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nil
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end
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def load_current_resource
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@current_resource = Chef::Resource.resource_for_node(:redisio_sentinel, node).new(new_resource.name)
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@current_resource.version(version)
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@current_resource
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end
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