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Support rich datatypes and deferred password values
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Process the configuration file `redis.conf` template twice if
some of the templates values are deferred.

Currently with deferred values the resulting deferred
template cannot be processed since it contains
complex datatypes from stdlib in particular.

This is a redis specific solution that may arrive genraly one
day in puppetlabs/puppetlabs-stdlib#1425
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@traylenator
traylenator committed Apr 23, 2024
1 parent 0e84c6e commit b51376d
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Showing 2 changed files with 150 additions and 107 deletions.
235 changes: 128 additions & 107 deletions manifests/instance.pp
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Original file line number Diff line number Diff line change
Expand Up @@ -501,118 +501,139 @@

$bind_arr = [$bind].flatten

$_template_params = {
daemonize => $daemonize,
pid_file => $pid_file,
protected_mode => $protected_mode,
port => $port,
tcp_backlog => $tcp_backlog,
bind_arr => $bind_arr,
unixsocket => $unixsocket,
unixsocketperm => $unixsocketperm,
timeout => $timeout,
tcp_keepalive => $tcp_keepalive,
log_level => $log_level,
log_file => $_real_log_file,
syslog_enabled => $syslog_enabled,
syslog_facility => $syslog_facility,
databases => $databases,
save_db_to_disk => $save_db_to_disk,
save_db_to_disk_interval => $save_db_to_disk_interval,
stop_writes_on_bgsave_error => $stop_writes_on_bgsave_error,
rdbcompression => $rdbcompression,
dbfilename => $dbfilename,
workdir => $workdir,
slaveof => $slaveof,
replicaof => $replicaof,
masterauth => $masterauth,
slave_serve_stale_data => $slave_serve_stale_data,
slave_read_only => $slave_read_only,
repl_announce_ip => $repl_announce_ip,
repl_announce_port => $repl_announce_port,
repl_ping_slave_period => $repl_ping_slave_period,
repl_timeout => $repl_timeout,
repl_disable_tcp_nodelay => $repl_disable_tcp_nodelay,
repl_backlog_size => $repl_backlog_size,
repl_backlog_ttl => $repl_backlog_ttl,
slave_priority => $slave_priority,
min_slaves_to_write => $min_slaves_to_write,
min_slaves_max_lag => $min_slaves_max_lag,
requirepass => $requirepass,
rename_commands => $rename_commands,
maxclients => $maxclients,
maxmemory => $maxmemory,
maxmemory_policy => $maxmemory_policy,
maxmemory_samples => $maxmemory_samples,
appendonly => $appendonly,
appendfilename => $appendfilename,
appendfsync => $appendfsync,
no_appendfsync_on_rewrite => $no_appendfsync_on_rewrite,
auto_aof_rewrite_percentage => $auto_aof_rewrite_percentage,
auto_aof_rewrite_min_size => $auto_aof_rewrite_min_size,
aof_load_truncated => $aof_load_truncated,
slowlog_log_slower_than => $slowlog_log_slower_than,
slowlog_max_len => $slowlog_max_len,
latency_monitor_threshold => $latency_monitor_threshold,
notify_keyspace_events => $notify_keyspace_events,
hash_max_ziplist_entries => $hash_max_ziplist_entries,
hash_max_ziplist_value => $hash_max_ziplist_value,
list_max_ziplist_entries => $list_max_ziplist_entries,
list_max_ziplist_value => $list_max_ziplist_value,
set_max_intset_entries => $set_max_intset_entries,
zset_max_ziplist_entries => $zset_max_ziplist_entries,
zset_max_ziplist_value => $zset_max_ziplist_value,
hll_sparse_max_bytes => $hll_sparse_max_bytes,
activerehashing => $activerehashing,
output_buffer_limit_slave => $output_buffer_limit_slave,
output_buffer_limit_pubsub => $output_buffer_limit_pubsub,
hz => $hz,
aof_rewrite_incremental_fsync => $aof_rewrite_incremental_fsync,
cluster_enabled => $cluster_enabled,
cluster_config_file => $cluster_config_file,
cluster_node_timeout => $cluster_node_timeout,
cluster_slave_validity_factor => $cluster_slave_validity_factor,
cluster_require_full_coverage => $cluster_require_full_coverage,
cluster_migration_barrier => $cluster_migration_barrier,
extra_config_file => $extra_config_file,
tls_port => $tls_port,
tls_cert_file => $tls_cert_file,
tls_key_file => $tls_key_file,
tls_ca_cert_file => $tls_ca_cert_file,
tls_ca_cert_dir => $tls_ca_cert_dir,
tls_ciphers => $tls_ciphers,
tls_ciphersuites => $tls_ciphersuites,
tls_protocols => $tls_protocols,
tls_auth_clients => $tls_auth_clients,
tls_replication => $tls_replication,
tls_cluster => $tls_cluster,
tls_prefer_server_ciphers => $tls_prefer_server_ciphers,
modules => $modules,
io_threads => $io_threads,
io_threads_do_reads => $io_threads_do_reads,
cluster_allow_reads_when_down => $cluster_allow_reads_when_down,
cluster_replica_no_failover => $cluster_replica_no_failover,
dynamic_hz => $dynamic_hz,
activedefrag => $activedefrag,
active_defrag_ignore_bytes => $active_defrag_ignore_bytes,
active_defrag_threshold_lower => $active_defrag_threshold_lower,
active_defrag_threshold_upper => $active_defrag_threshold_upper,
active_defrag_cycle_min => $active_defrag_cycle_min,
active_defrag_cycle_max => $active_defrag_cycle_max,
active_defrag_max_scan_fields => $active_defrag_max_scan_fields,
jemalloc_bg_thread => $jemalloc_bg_thread,
rdb_save_incremental_fsync => $rdb_save_incremental_fsync,
acls => $acls,
custom_options => $custom_options,
}

# TODO: Rely on https://github.com/puppetlabs/puppetlabs-stdlib/pull/1425
# once available.
if $_template_params.any |$_key, $_value| { $_value.is_a(Deferred) } {
$_template_params_escaped = $_template_params.map | $_var , $_value | {
if $_value.is_a(Deferred) {
{ $_var => "<%= \$${_var} %>" }
} else {
{ $_var => $_value }
}
}.reduce | $_memo, $_kv | { $_memo + $_kv }

$_content = Deferred(
'inline_epp',
[
epp($conf_template,$_template_params_escaped),
$_template_params,
]
)
} else {
$_content = epp($conf_template, $_template_params)
}

file { $redis_file_name_orig:
ensure => file,
owner => $config_owner,
group => $config_group,
mode => $config_file_mode,
content => stdlib::deferrable_epp(
$conf_template,
{
daemonize => $daemonize,
pid_file => $pid_file,
protected_mode => $protected_mode,
port => $port,
tcp_backlog => $tcp_backlog,
bind_arr => $bind_arr,
unixsocket => $unixsocket,
unixsocketperm => $unixsocketperm,
timeout => $timeout,
tcp_keepalive => $tcp_keepalive,
log_level => $log_level,
log_file => $_real_log_file,
syslog_enabled => $syslog_enabled,
syslog_facility => $syslog_facility,
databases => $databases,
save_db_to_disk => $save_db_to_disk,
save_db_to_disk_interval => $save_db_to_disk_interval,
stop_writes_on_bgsave_error => $stop_writes_on_bgsave_error,
rdbcompression => $rdbcompression,
dbfilename => $dbfilename,
workdir => $workdir,
slaveof => $slaveof,
replicaof => $replicaof,
masterauth => $masterauth,
slave_serve_stale_data => $slave_serve_stale_data,
slave_read_only => $slave_read_only,
repl_announce_ip => $repl_announce_ip,
repl_announce_port => $repl_announce_port,
repl_ping_slave_period => $repl_ping_slave_period,
repl_timeout => $repl_timeout,
repl_disable_tcp_nodelay => $repl_disable_tcp_nodelay,
repl_backlog_size => $repl_backlog_size,
repl_backlog_ttl => $repl_backlog_ttl,
slave_priority => $slave_priority,
min_slaves_to_write => $min_slaves_to_write,
min_slaves_max_lag => $min_slaves_max_lag,
requirepass => $requirepass,
rename_commands => $rename_commands,
maxclients => $maxclients,
maxmemory => $maxmemory,
maxmemory_policy => $maxmemory_policy,
maxmemory_samples => $maxmemory_samples,
appendonly => $appendonly,
appendfilename => $appendfilename,
appendfsync => $appendfsync,
no_appendfsync_on_rewrite => $no_appendfsync_on_rewrite,
auto_aof_rewrite_percentage => $auto_aof_rewrite_percentage,
auto_aof_rewrite_min_size => $auto_aof_rewrite_min_size,
aof_load_truncated => $aof_load_truncated,
slowlog_log_slower_than => $slowlog_log_slower_than,
slowlog_max_len => $slowlog_max_len,
latency_monitor_threshold => $latency_monitor_threshold,
notify_keyspace_events => $notify_keyspace_events,
hash_max_ziplist_entries => $hash_max_ziplist_entries,
hash_max_ziplist_value => $hash_max_ziplist_value,
list_max_ziplist_entries => $list_max_ziplist_entries,
list_max_ziplist_value => $list_max_ziplist_value,
set_max_intset_entries => $set_max_intset_entries,
zset_max_ziplist_entries => $zset_max_ziplist_entries,
zset_max_ziplist_value => $zset_max_ziplist_value,
hll_sparse_max_bytes => $hll_sparse_max_bytes,
activerehashing => $activerehashing,
output_buffer_limit_slave => $output_buffer_limit_slave,
output_buffer_limit_pubsub => $output_buffer_limit_pubsub,
hz => $hz,
aof_rewrite_incremental_fsync => $aof_rewrite_incremental_fsync,
cluster_enabled => $cluster_enabled,
cluster_config_file => $cluster_config_file,
cluster_node_timeout => $cluster_node_timeout,
cluster_slave_validity_factor => $cluster_slave_validity_factor,
cluster_require_full_coverage => $cluster_require_full_coverage,
cluster_migration_barrier => $cluster_migration_barrier,
extra_config_file => $extra_config_file,
tls_port => $tls_port,
tls_cert_file => $tls_cert_file,
tls_key_file => $tls_key_file,
tls_ca_cert_file => $tls_ca_cert_file,
tls_ca_cert_dir => $tls_ca_cert_dir,
tls_ciphers => $tls_ciphers,
tls_ciphersuites => $tls_ciphersuites,
tls_protocols => $tls_protocols,
tls_auth_clients => $tls_auth_clients,
tls_replication => $tls_replication,
tls_cluster => $tls_cluster,
tls_prefer_server_ciphers => $tls_prefer_server_ciphers,
modules => $modules,
io_threads => $io_threads,
io_threads_do_reads => $io_threads_do_reads,
cluster_allow_reads_when_down => $cluster_allow_reads_when_down,
cluster_replica_no_failover => $cluster_replica_no_failover,
dynamic_hz => $dynamic_hz,
activedefrag => $activedefrag,
active_defrag_ignore_bytes => $active_defrag_ignore_bytes,
active_defrag_threshold_lower => $active_defrag_threshold_lower,
active_defrag_threshold_upper => $active_defrag_threshold_upper,
active_defrag_cycle_min => $active_defrag_cycle_min,
active_defrag_cycle_max => $active_defrag_cycle_max,
active_defrag_max_scan_fields => $active_defrag_max_scan_fields,
jemalloc_bg_thread => $jemalloc_bg_thread,
rdb_save_incremental_fsync => $rdb_save_incremental_fsync,
acls => $acls,
custom_options => $custom_options,
}
),
content => $_content,
}

exec { "copy ${redis_file_name_orig} to ${redis_file_name}":
Expand Down
22 changes: 22 additions & 0 deletions spec/acceptance/suites/default/redis_deferred_spec.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
# frozen_string_literal: true

require 'spec_helper_acceptance'

describe 'redis with deferred password' do
include_examples 'an idempotent resource' do
let(:manifest) do
<<-PUPPET
class { 'redis':
manage_repo => true,
redis_apt_repo => true,
port => 10001,
masterauth => Deferred('inline_epp',['<%= $pass %>\n',{'pass' => 'topsecret'}]),
}
PUPPET
end
end

describe command('redis-cli -p 10001 -a topsecret ping') do
its(:stdout) { is_expected.to match %r{PONG} }
end
end

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