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configure.rb
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configure.rb
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action :run do
base_piddir = new_resource.base_piddir
if !new_resource.version
redis_output = Mixlib::ShellOut.new("#{node['redisio']['bin_path']}/redis-server -v")
redis_output.run_command
redis_output.error!
current_version = redis_output.stdout.gsub(/.*v=((\d+\.){2}\d+).*/, '\1').chomp
else
current_version = new_resource.version
end
version_hash = RedisioHelper.version_to_hash(current_version)
# Setup a configuration file and init script for each configuration provided
new_resource.servers.each do |current_instance|
# Retrieve the default settings hash and the current server setups settings hash.
current_instance_hash = current_instance.to_hash
current_defaults_hash = new_resource.default_settings.to_hash
# Merge the configuration defaults with the provided array of configurations provided
current = current_defaults_hash.merge(current_instance_hash)
# Merge in the default maxmemory
node_memory_kb = node['memory']['total']
# On BSD platforms Ohai reports total memory as a Fixnum
node_memory_kb = node_memory_kb.sub('kB', '').to_i if node_memory_kb.is_a?(String)
# Here we determine what the logfile is. It has these possible states
#
# Redis 2.6 and lower can be
# stdout
# A path
# nil
# Redis 2.8 and higher can be
# empty string, which means stdout)
# A path
# nil
if current['logfile'].nil?
log_file = nil
log_directory = nil
elsif current['logfile'] == 'stdout' || current['logfile'].empty?
log_directory = nil
log_file = current['logfile']
else
log_directory = ::File.dirname(current['logfile'])
log_file = ::File.basename(current['logfile'])
if current['syslogenabled'] == 'yes'
Chef::Log.warn("log file is set to #{current['logfile']} but syslogenabled is also set to 'yes'")
end
end
maxmemory = current['maxmemory'].to_s
if !maxmemory.empty? && maxmemory.include?('%')
# Just assume this is sensible like "95%" or "95 %"
percent_factor = current['maxmemory'].to_f / 100.0
# Ohai reports memory in KB as it looks in /proc/meminfo
maxmemory = (node_memory_kb * 1024 * percent_factor / new_resource.servers.length).round.to_s
end
descriptors = if current['ulimit'] == 0
current['maxclients'] + 32
elsif current['ulimit'] > current['maxclients']
current['ulimit']
else
current['maxclients']
end
server_name = current['name'] || current['port']
piddir = "#{base_piddir}/#{server_name}"
aof_file = current['appendfilename'] || "#{current['datadir']}/appendonly-#{server_name}.aof"
rdb_file = current['dbfilename'] || "#{current['datadir']}/dump-#{server_name}.rdb"
# Create the owner of the redis data directory
user current['user'] do
comment 'Redis service account'
manage_home true
home current['homedir']
shell current['shell']
system current['systemuser']
uid current['uid'] unless current['uid'].nil?
end
# Create the redis configuration directory
directory current['configdir'] do
owner 'root'
group platform_family?('freebsd') ? 'wheel' : 'redis'
mode '0775'
recursive true
action :create
end
# Create the instance data directory
directory current['datadir'] do
owner current['user']
group current['group']
mode '0775'
recursive true
action :create
end
# Create the pid file directory
directory piddir do
owner current['user']
group current['group']
mode '0755'
recursive true
action :create
end
# Create the log directory if syslog is not being used
if log_directory
directory log_directory do
owner current['user']
group current['group']
mode '0755'
recursive true
action :create
end
end
# Configure SELinux if it is enabled
extend Chef::Util::Selinux
if selinux_enabled?
selinux_install 'install'
selinux_fcontext "#{current['configdir']}(/.*)?" do
secontext 'redis_conf_t'
end
selinux_fcontext "#{current['datadir']}(/.*)?" do
secontext 'redis_var_lib_t'
end
selinux_fcontext "#{piddir}(/.*)?" do
secontext 'redis_var_run_t'
end
if log_directory
selinux_fcontext "#{log_directory}(/.*)?" do
secontext 'redis_log_t'
end
end
end
# Create the log file if syslog is not being used
if log_file
file current['logfile'] do
owner current['user']
group current['group']
mode '0644'
backup false
action :create
# in version 2.8 or higher the empty string is used instead of stdout
only_if { !log_file.empty? && log_file != 'stdout' }
end
end
# Set proper permissions on the AOF or RDB files
file aof_file do
owner current['user']
group current['group']
mode '0644'
only_if { current['backuptype'] == 'aof' || current['backuptype'] == 'both' }
only_if { ::File.exist?(aof_file) }
end
file rdb_file do
owner current['user']
group current['group']
mode '0644'
only_if { current['backuptype'] == 'rdb' || current['backuptype'] == 'both' }
only_if { ::File.exist?(rdb_file) }
end
# Setup the redis users descriptor limits
# Pending response on https://github.com/brianbianco/redisio/commit/4ee9aad3b53029cc3b6c6cf741f5126755e712cd#diff-8ae42a59a6f4e8dc5b4e6dd2d6a34eab
# TODO: ulimit cookbook v0.1.2 doesn't work with freeBSD
if current['ulimit'] && !platform_family?('freebsd')
user_ulimit current['user'] do
filehandle_limit descriptors
end
end
computed_save = current['save']
if current['save'] && current['save'].respond_to?(:each_line)
computed_save = current['save'].each_line
Chef::Log.warn("#{server_name}: given a save argument as a string, instead of an array.")
Chef::Log.warn("#{server_name}: This will be deprecated in future versions of the redisio cookbook.")
end
# Load password for use with requirepass from data bag if needed
if current['data_bag_name'] && current['data_bag_item'] && current['data_bag_key']
bag = data_bag_item(current['data_bag_name'], current['data_bag_item'])
current['requirepass'] = bag[current['data_bag_key']]
current['masterauth'] = bag[current['data_bag_key']]
end
# Lay down the configuration files for the current instance
template "#{current['configdir']}/#{server_name}.conf" do
source node['redisio']['redis_config']['template_source']
cookbook node['redisio']['redis_config']['template_cookbook']
owner current['user']
group current['group']
mode current['permissions']
action :create
variables(
version: version_hash,
piddir: piddir,
name: server_name,
job_control: node['redisio']['job_control'],
port: current['port'],
tcpbacklog: current['tcpbacklog'],
address: current['address'],
databases: current['databases'],
backuptype: current['backuptype'],
datadir: current['datadir'],
unixsocket: current['unixsocket'],
unixsocketperm: current['unixsocketperm'],
timeout: current['timeout'],
keepalive: current['keepalive'],
loglevel: current['loglevel'],
logfile: current['logfile'],
syslogenabled: current['syslogenabled'],
syslogfacility: current['syslogfacility'],
save: computed_save,
stopwritesonbgsaveerror: current['stopwritesonbgsaveerror'],
rdbcompression: current['rdbcompression'],
rdbchecksum: current['rdbchecksum'],
dbfilename: current['dbfilename'],
replicaof: current['replicaof'],
protected_mode: current['protected_mode'],
masterauth: current['masterauth'],
replicaservestaledata: current['replicaservestaledata'],
replicareadonly: current['replicareadonly'],
replpingreplicaperiod: current['replpingreplicaperiod'],
repltimeout: current['repltimeout'],
repldisabletcpnodelay: current['repldisabletcpnodelay'],
replbacklogsize: current['replbacklogsize'],
replbacklogttl: current['replbacklogttl'],
replicapriority: current['replicapriority'],
requirepass: current['requirepass'],
rename_commands: current['rename_commands'],
maxclients: current['maxclients'],
maxmemory: maxmemory,
maxmemorypolicy: current['maxmemorypolicy'],
maxmemorysamples: current['maxmemorysamples'],
appendfilename: current['appendfilename'],
appendfsync: current['appendfsync'],
noappendfsynconrewrite: current['noappendfsynconrewrite'],
aofrewritepercentage: current['aofrewritepercentage'],
aofrewriteminsize: current['aofrewriteminsize'],
aofloadtruncated: current['aofloadtruncated'],
luatimelimit: current['luatimelimit'],
slowloglogslowerthan: current['slowloglogslowerthan'],
slowlogmaxlen: current['slowlogmaxlen'],
notifykeyspaceevents: current['notifykeyspaceevents'],
hashmaxziplistentries: current['hashmaxziplistentries'],
hashmaxziplistvalue: current['hashmaxziplistvalue'],
setmaxintsetentries: current['setmaxintsetentries'],
zsetmaxziplistentries: current['zsetmaxziplistentries'],
zsetmaxziplistvalue: current['zsetmaxziplistvalue'],
hllsparsemaxbytes: current['hllsparsemaxbytes'],
activerehasing: current['activerehasing'],
clientoutputbufferlimit: current['clientoutputbufferlimit'],
hz: current['hz'],
aofrewriteincrementalfsync: current['aofrewriteincrementalfsync'],
clusterenabled: current['clusterenabled'],
clusterconfigfile: current['clusterconfigfile'],
clusternodetimeout: current['clusternodetimeout'],
clusterport: current['clusterport'],
includes: current['includes'],
aclfile: current['aclfile'],
minreplicastowrite: current['minreplicastowrite'],
minreplicasmaxlag: current['minreplicasmaxlag'],
repldisklesssync: current['repldisklesssync'],
repldisklesssyncdelay: current['repldisklesssyncdelay'],
tlsport: current['tlsport'],
tlscertfile: current['tlscertfile'],
tlskeyfile: current['tlskeyfile'],
tlskeyfilepass: current['tlskeyfilepass'],
tlsclientcertfile: current['tlsclientcertfile'],
tlsclientkeyfile: current['tlsclientkeyfile'],
tlsclientkeyfilepass: current['tlsclientkeyfilepass'],
tlsdhparamsfile: current['tlsdhparamsfile'],
tlscacertfile: current['tlscacertfile'],
tlscacertdir: current['tlscacertdir'],
tlsauthclients: current['tlsauthclients'],
tlsreplication: current['tlsreplication'],
tlscluster: current['tlscluster'],
tlsprotocols: current['tlsprotocols'],
tlsciphers: current['tlsciphers'],
tlsciphersuites: current['tlsciphersuites'],
tlspreferserverciphers: current['tlspreferserverciphers'],
tlssessioncaching: current['tlssessioncaching'],
tlssessioncachesize: current['tlssessioncachesize'],
tlssessioncachetimeout: current['tlssessioncachetimeout']
)
not_if { ::File.exist?("#{current['configdir']}/#{server_name}.conf.breadcrumb") }
end
file "#{current['configdir']}/#{server_name}.conf.breadcrumb" do
content 'This file prevents the chef cookbook from overwritting the redis config more than once'
action :create_if_missing
only_if { current['breadcrumb'] == true }
end
# Setup init.d file
bin_path = if node['redisio']['install_dir']
::File.join(node['redisio']['install_dir'], 'bin')
else
node['redisio']['bin_path']
end
case node['redisio']['job_control']
when 'initd'
template "/etc/init.d/redis#{server_name}" do
source 'redis.init.erb'
cookbook 'redisio'
owner 'root'
group 'root'
mode '0755'
variables(
name: server_name,
bin_path: bin_path,
port: current['port'],
address: current['address'],
user: current['user'],
configdir: current['configdir'],
piddir: piddir,
requirepass: current['requirepass'],
shutdown_save: current['shutdown_save'],
platform: node['platform'],
unixsocket: current['unixsocket'],
ulimit: descriptors,
required_start: node['redisio']['init.d']['required_start'].join(' '),
required_stop: node['redisio']['init.d']['required_stop'].join(' ')
)
end
when 'upstart'
template "/etc/init/redis#{server_name}.conf" do
source 'redis.upstart.conf.erb'
cookbook 'redisio'
owner current['user']
group current['group']
mode '0644'
variables(
name: server_name,
bin_path: bin_path,
port: current['port'],
user: current['user'],
group: current['group'],
configdir: current['configdir'],
piddir: piddir
)
end
when 'rcinit'
template "/usr/local/etc/rc.d/redis#{server_name}" do
source 'redis.rcinit.erb'
cookbook 'redisio'
owner current['user']
group current['group']
mode '0755'
variables(
name: server_name,
bin_path: bin_path,
user: current['user'],
configdir: current['configdir'],
piddir: piddir
)
end
when 'systemd'
service_name = "redis@#{server_name}"
reload_name = "#{service_name} systemd reload"
file "/etc/tmpfiles.d/#{service_name}.conf" do
content "d #{piddir} 0755 #{current['user']} #{current['group']}\n"
owner 'root'
group 'root'
mode '0644'
end
execute reload_name do
command 'systemctl daemon-reload'
action :nothing
end
template "/lib/systemd/system/#{service_name}.service" do
source 'redis@.service.erb'
cookbook 'redisio'
owner 'root'
group 'root'
mode '0644'
variables(
bin_path: bin_path,
user: current['user'],
group: current['group'],
limit_nofile: descriptors
)
notifies :run, "execute[#{reload_name}]", :immediately
end
end
end
# servers each loop
end