feat(valkey): added new basic valkey role

ansible_collections/nullified/infrastructure/roles/valkey/defaults/main.yml

@@ -0,0 +1,41 @@
+---
+valkey_github_token: "{{ custom_github_token | default('') }}"
+valkey_binary_filepath: /usr/local/bin/valkey-server
+valkey_config_dir: /etc/valkey
+valkey_user: valkey
+valkey_group: valkey
+valkey_install_dir: /var/lib/valkey
+valkey_version: latest
+valkey_use_tls: true
+valkey_generate_cert: true # if set to false you must override valkey_tls_{certfile, keyfile}
+valkey_enable_unixsocket: false
+
+# TLS configuration
+valkey_tls_certfile: ~
+valkey_tls_keyfile: ~
+valkey_tls_keyfile_pass: ~
+
+# Connection configuration
+valkey_server_bind_addresses: ['127.0.0.1', '-::1']
+valkey_server_port: 0 # default is 0 because we enable TLS
+valkey_server_tls_port: 6379
+valkey_server_tcp_backlog: 511
+valkey_server_unixsocket: /run/valkey.sock
+valkey_server_unixsocketgroup: wheel
+valkey_server_unixsocketperm: 700
+valkey_server_timeout: 0
+valkey_server_tcp_keepalive: 300
+
+# Various
+valkey_server_loglevel: notice
+valkey_server_log_format: logfmt
+valkey_server_log_timestamp_format: iso8601
+valkey_server_databases: 16
+valkey_server_sanitize_dump_payload: clients
+valkey_server_maxclients: 10000
+valkey_server_maxmemory: ~ # in bytes
+valkey_server_maxmemory_policy: allkeys-lfu
+valkey_server_maxmemory_samples: 5
+valkey_server_active_expire_effort: 1
+valkey_server_lua_time_limit: 5000
+valkey_server_busy_reply_threshold: 5000