snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

puppet/zulip/manifests/profile/redis.pp

@@ -0,0 +1,71 @@
+class zulip::profile::redis {
+  include zulip::profile::base
+  case $facts['os']['family'] {
+    'Debian': {
+      $redis = 'redis-server'
+      $redis_dir = '/etc/redis'
+    }
+    'RedHat': {
+      $redis = 'redis'
+      $redis_dir = '/etc'
+    }
+    default: {
+      fail('osfamily not supported')
+    }
+  }
+  $redis_packages = [ # The server itself
+                      $redis,
+                      ]
+
+  package { $redis_packages: ensure => installed }
+
+  $file = "${redis_dir}/redis.conf"
+  $zulip_redisconf = "${redis_dir}/zulip-redis.conf"
+  $line = "include ${zulip_redisconf}"
+  exec { 'update-redis-conf':
+    unless  => "/bin/grep -Fxqe '${line}' '${file}'",
+    path    => '/bin',
+    command => "bash -c \"(/bin/echo; /bin/echo '# Include Zulip-specific configuration'; /bin/echo '${line}') >> '${file}'\"",
+    require => [
+      Package[$redis],
+      File[$zulip_redisconf],
+    ],
+  }
+
+  $redis_password = zulipsecret('secrets', 'redis_password', '')
+  file { $zulip_redisconf:
+    ensure  => file,
+    require => Package[$redis],
+    owner   => 'redis',
+    group   => 'redis',
+    mode    => '0640',
+    content => template('zulip/zulip-redis.template.erb'),
+  }
+
+  # https://redis.io/docs/management/admin/#linux
+  zulip::sysctl { 'redis-server':
+    key   => 'vm.overcommit_memory',
+    value => '1',
+  }
+  package { 'sysfsutils': }
+  file { '/etc/sysfs.d/40-disable-transpatent-hugepages.conf':
+    require => Package['sysfsutils'],
+    notify  => Service['sysfsutils'],
+    content => 'kernel/mm/transparent_hugepage/enabled = never',
+  }
+  service { 'sysfsutils':
+    ensure  => running,
+    require => Package['sysfsutils'],
+  }
+  service { $redis:
+    ensure    => running,
+    require   => [
+      Service['sysfsutils'],
+      Package['redis-server'],
+    ],
+    subscribe => [
+      File[$zulip_redisconf],
+      Exec['update-redis-conf'],
+    ],
+  }
+}