community.general.redis_info module – Gather information about Redis servers

Note

This module is part of the community.general collection (version 9.4.0).

It is not included in ansible-core. To check whether it is installed, run ansible-galaxy collection list.

To install it, use: ansible-galaxy collection install community.general. You need further requirements to be able to use this module, see Requirements for details.

To use it in a playbook, specify: community.general.redis_info.

New in community.general 0.2.0

Synopsis

  • Gathers information and statistics about Redis servers.

Requirements

The below requirements are needed on the host that executes this module.

  • redis

  • certifi

Parameters

Parameter

Comments

ca_certs

string

added in community.general 7.5.0

Path to root certificates file. If not set and tls is set to true, certifi ca-certificates will be used.

client_cert_file

string

added in community.general 9.3.0

Path to the client certificate file.

client_key_file

string

added in community.general 9.3.0

Path to the client private key file.

cluster

boolean

added in community.general 9.1.0

Get informations about cluster status as cluster.

Choices:

  • false ← (default)

  • true

login_host

string

Specify the target host running the database.

Default: "localhost"

login_password

string

Specify the password to authenticate with.

Usually not used when target is localhost.

login_port

integer

Specify the port to connect to.

Default: 6379

login_user

string

added in community.general 7.5.0

Specify the user to authenticate with.

Requires redis >= 3.4.0.

tls

boolean

added in community.general 7.5.0

Specify whether or not to use TLS for the connection.

Choices:

  • false ← (default)

  • true

validate_certs

boolean

added in community.general 7.5.0

Specify whether or not to validate TLS certificates.

This should only be turned off for personally controlled sites or with localhost as target.

Choices:

  • false

  • true ← (default)

Attributes

Attribute

Support

Description

check_mode

Support: full

This action does not modify state.

Can run in check_mode and return changed status prediction without modifying target.

diff_mode

Support: N/A

This action does not modify state.

Will return details on what has changed (or possibly needs changing in check_mode), when in diff mode.

Notes

Note

  • Requires the redis Python package on the remote host. You can install it with pip (pip install redis) or with a package manager. Information on the library can be found at https://github.com/andymccurdy/redis-py.

See Also

See also

community.general.redis

Various redis commands, replica and flush.

Examples

- name: Get server information
  community.general.redis_info:
  register: result

- name: Print server information
  ansible.builtin.debug:
    var: result.info

- name: Get server cluster information
  community.general.redis_info:
    cluster: true
  register: result

- name: Print server cluster information
  ansible.builtin.debug:
    var: result.cluster_info

Return Values

Common return values are documented here, the following are the fields unique to this module:

Key

Description

cluster

dictionary

added in community.general 9.1.0

The default set of cluster information sections https://redis.io/commands/cluster-info.

Returned: success if cluster=true

Sample: {"cluster_current_epoch": 6, "cluster_known_nodes": 6, "cluster_my_epoch": 2, "cluster_size": 3, "cluster_slots_assigned": 16384, "cluster_slots_fail": 0, "cluster_slots_ok": 16384, "cluster_slots_pfail": 0, "cluster_state": "ok", "cluster_stats_messages_received": 1483968, "cluster_stats_messages_sent": 1483972, "total_cluster_links_buffer_limit_exceeded": 0}

info

dictionary

The default set of server information sections https://redis.io/commands/info.

Returned: success

Sample: {"active_defrag_hits": 0, "active_defrag_key_hits": 0, "active_defrag_key_misses": 0, "active_defrag_misses": 0, "active_defrag_running": 0, "allocator_active": 932409344, "allocator_allocated": 932062792, "allocator_frag_bytes": 346552, "allocator_frag_ratio": 1.0, "allocator_resident": 947253248, "allocator_rss_bytes": 14843904, "allocator_rss_ratio": 1.02, "aof_current_rewrite_time_sec": -1, "aof_enabled": 0, "aof_last_bgrewrite_status": "ok", "aof_last_cow_size": 0, "aof_last_rewrite_time_sec": -1, "aof_last_write_status": "ok", "aof_rewrite_in_progress": 0, "aof_rewrite_scheduled": 0, "arch_bits": 64, "atomicvar_api": "atomic-builtin", "blocked_clients": 0, "client_recent_max_input_buffer": 4, "client_recent_max_output_buffer": 0, "cluster_enabled": 0, "config_file": "", "configured_hz": 10, "connected_clients": 4, "connected_slaves": 0, "db0": {"avg_ttl": 1945628530, "expires": 16, "keys": 3341411}, "evicted_keys": 0, "executable": "/data/redis-server", "expired_keys": 9, "expired_stale_perc": 1.72, "expired_time_cap_reached_count": 0, "gcc_version": "9.2.0", "hz": 10, "instantaneous_input_kbps": 0.0, "instantaneous_ops_per_sec": 0, "instantaneous_output_kbps": 0.0, "keyspace_hits": 0, "keyspace_misses": 0, "latest_fork_usec": 0, "lazyfree_pending_objects": 0, "loading": 0, "lru_clock": 11603632, "master_repl_offset": 118831417, "master_replid": "0d904704e424e38c3cd896783e9f9d28d4836e5e", "master_replid2": "0000000000000000000000000000000000000000", "maxmemory": 0, "maxmemory_human": "0B", "maxmemory_policy": "noeviction", "mem_allocator": "jemalloc-5.1.0", "mem_aof_buffer": 0, "mem_clients_normal": 49694, "mem_clients_slaves": 0, "mem_fragmentation_bytes": 12355480, "mem_fragmentation_ratio": 1.01, "mem_not_counted_for_evict": 0, "mem_replication_backlog": 1048576, "migrate_cached_sockets": 0, "multiplexing_api": "epoll", "number_of_cached_scripts": 0, "os": "Linux 3.10.0-862.14.4.el7.x86_64 x86_64", "process_id": 1, "pubsub_channels": 0, "pubsub_patterns": 0, "rdb_bgsave_in_progress": 0, "rdb_changes_since_last_save": 671, "rdb_current_bgsave_time_sec": -1, "rdb_last_bgsave_status": "ok", "rdb_last_bgsave_time_sec": -1, "rdb_last_cow_size": 0, "rdb_last_save_time": 1588702236, "redis_build_id": "a31260535f820267", "redis_git_dirty": 0, "redis_git_sha1": 0, "redis_mode": "standalone", "redis_version": "999.999.999", "rejected_connections": 0, "repl_backlog_active": 1, "repl_backlog_first_byte_offset": 118707937, "repl_backlog_histlen": 123481, "repl_backlog_size": 1048576, "role": "master", "rss_overhead_bytes": -3051520, "rss_overhead_ratio": 1.0, "run_id": "8d252f66c3ef89bd60a060cf8dc5cfe3d511c5e4", "second_repl_offset": 118830003, "slave_expires_tracked_keys": 0, "sync_full": 0, "sync_partial_err": 0, "sync_partial_ok": 0, "tcp_port": 6379, "total_commands_processed": 885, "total_connections_received": 10, "total_net_input_bytes": 802709255, "total_net_output_bytes": 31754, "total_system_memory": 135029538816, "total_system_memory_human": "125.76G", "uptime_in_days": 53, "uptime_in_seconds": 4631778, "used_cpu_sys": 4.668282, "used_cpu_sys_children": 0.002191, "used_cpu_user": 4.21088, "used_cpu_user_children": 0.0, "used_memory": 931908760, "used_memory_dataset": 910774306, "used_memory_dataset_perc": "97.82%", "used_memory_human": "888.74M", "used_memory_lua": 37888, "used_memory_lua_human": "37.00K", "used_memory_overhead": 21134454, "used_memory_peak": 932015216, "used_memory_peak_human": "888.84M", "used_memory_peak_perc": "99.99%", "used_memory_rss": 944201728, "used_memory_rss_human": "900.46M", "used_memory_scripts": 0, "used_memory_scripts_human": "0B", "used_memory_startup": 791264}

Authors

  • Pavlo Bashynskyi (@levonet)