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| # Redis Sentinel Input Plugin | ||
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| A plugin for Redis Sentinel to monitor multiple Sentinel instances that are | ||
| monitoring multiple Redis servers and replicas. | ||
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| ## Configuration | ||
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| ```toml | ||
| # Read Redis Sentinel's basic status information | ||
| [[inputs.redis_sentinel]] | ||
| ## specify servers via a url matching: | ||
| ## [protocol://][:password]@address[:port] | ||
| ## e.g. | ||
| ## tcp://localhost:26379 | ||
| ## tcp://:[email protected] | ||
| ## | ||
| ## If no servers are specified, then localhost is used as the host. | ||
| ## If no port is specified, 26379 is used | ||
| # servers = ["tcp://localhost:26379"] | ||
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| ## Optional TLS Config | ||
| # tls_ca = "/etc/telegraf/ca.pem" | ||
| # tls_cert = "/etc/telegraf/cert.pem" | ||
| # tls_key = "/etc/telegraf/key.pem" | ||
| ## Use TLS but skip chain & host verification | ||
| # insecure_skip_verify = true | ||
| ``` | ||
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| ## Measurements & Fields | ||
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| The plugin gathers the results of these commands and measurements: | ||
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| * `sentinel masters` - `redis_sentinel_masters` | ||
| * `sentinel sentinels` - `redis_sentinels` | ||
| * `sentinel replicas` - `redis_replicas` | ||
| * `info all` - `redis_sentinel` | ||
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| The `has_quorum` field in `redis_sentinel_masters` is from calling the command `sentinels ckquorum`. | ||
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| There are 5 remote network requests made for each server listed in the config. | ||
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| ## Metrics | ||
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| * redis_sentinel_masters | ||
| * tags: | ||
| * flags | ||
| * host | ||
| * master | ||
| * master_ip | ||
| * master_port | ||
| * port | ||
| * source | ||
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| * fields: | ||
| * config_epoch (int) | ||
| * down_after_milliseconds (int) | ||
| * failover_timeout (int) | ||
| * flags (string) | ||
| * has_quorum (bool) | ||
| * info_refresh (int) | ||
| * ip (string) | ||
| * last_ok_ping_reply (int) | ||
| * last_ping_reply (int) | ||
| * last_ping_sent (int) | ||
| * link_pending_commands (int) | ||
| * link_refcount (int) | ||
| * num_other_sentinels (int) | ||
| * num_slaves (int) | ||
| * parallel_syncs (int) | ||
| * port (int) | ||
| * quorum (int) | ||
| * role_reported (string) | ||
| * role_reported_time (int) | ||
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| * redis_sentinel_sentinels | ||
| * tags: | ||
| * flags | ||
| * host | ||
| * master | ||
| * port | ||
| * sentinel_ip | ||
| * sentinel_port | ||
| * source | ||
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| * fields: | ||
| * down_after_milliseconds (int) | ||
| * flags (string) | ||
| * last_hello_message (int) | ||
| * last_ok_ping_reply (int) | ||
| * last_ping_reply (int) | ||
| * last_ping_sent (int) | ||
| * link_pending_commands (int) | ||
| * link_refcount (int) | ||
| * name (string) | ||
| * voted_leader (string) | ||
| * voted_leader_epoch (int) | ||
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| * redis_sentinel_replicas | ||
| * tags: | ||
| * flags | ||
| * host | ||
| * master | ||
| * port | ||
| * replica_ip | ||
| * replica_port | ||
| * source | ||
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| * fields: | ||
| * down_after_milliseconds (int) | ||
| * flags (string) | ||
| * info_refresh (int) | ||
| * last_ok_ping_reply (int) | ||
| * last_ping_reply (int) | ||
| * last_ping_sent (int) | ||
| * link_pending_commands (int) | ||
| * link_refcount (int) | ||
| * master_host (string) | ||
| * master_link_down_time (int) | ||
| * master_link_status (int) | ||
| * master_port (int) | ||
| * name (string) | ||
| * role_reported (string) | ||
| * role_reported_time (int) | ||
| * slave_priority (int) | ||
| * slave_repl_offset (int) | ||
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| * redis_sentinel | ||
| * tags: | ||
| * host | ||
| * port | ||
| * source | ||
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| * fields: | ||
| * active_defrag_hits (int) | ||
| * active_defrag_key_hits (int) | ||
| * active_defrag_key_misses (int) | ||
| * active_defrag_misses (int) | ||
| * blocked_clients (int) | ||
| * client_recent_max_input_buffer (int) | ||
| * client_recent_max_output_buffer (int) | ||
| * clients (int) | ||
| * evicted_keys (int) | ||
| * expired_keys (int) | ||
| * expired_stale_perc (float) | ||
| * expired_time_cap_reached_count (int) | ||
| * instantaneous_input_kbps (float) | ||
| * instantaneous_ops_per_sec (int) | ||
| * instantaneous_output_kbps (float) | ||
| * keyspace_hits (int) | ||
| * keyspace_misses (int) | ||
| * latest_fork_usec (int) | ||
| * lru_clock (int) | ||
| * migrate_cached_sockets (int) | ||
| * pubsub_channels (int) | ||
| * pubsub_patterns (int) | ||
| * redis_version (string) | ||
| * rejected_connections (int) | ||
| * sentinel_masters (int) | ||
| * sentinel_running_scripts (int) | ||
| * sentinel_scripts_queue_length (int) | ||
| * sentinel_simulate_failure_flags (int) | ||
| * sentinel_tilt (int) | ||
| * slave_expires_tracked_keys (int) | ||
| * sync_full (int) | ||
| * sync_partial_err (int) | ||
| * sync_partial_ok (int) | ||
| * total_commands_processed (int) | ||
| * total_connections_received (int) | ||
| * total_net_input_bytes (int) | ||
| * total_net_output_bytes (int) | ||
| * uptime_ns (int, nanoseconds) | ||
| * used_cpu_sys (float) | ||
| * used_cpu_sys_children (float) | ||
| * used_cpu_user (float) | ||
| * used_cpu_user_children (float) | ||
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| ## Example Output | ||
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| An example of 2 Redis Sentinel instances monitoring a single master and replica. It produces: | ||
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| ### redis_sentinel_masters | ||
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| ```sh | ||
| redis_sentinel_masters,flags=master,host=somehostname,master=mymaster,master_ip=127.0.0.1,master_port=6379,port=26380,source=localhost config_epoch=0i,down_after_milliseconds=30000i,failover_timeout=180000i,flags="master",has_quorum=1i,info_refresh=110i,ip="127.0.0.1",last_ok_ping_reply=819i,last_ping_reply=819i,last_ping_sent=0i,link_pending_commands=0i,link_refcount=1i,num_other_sentinels=1i,num_slaves=1i,parallel_syncs=1i,port=6379i,quorum=2i,role_reported="master",role_reported_time=311248i 1570207377000000000 | ||
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| redis_sentinel_masters,flags=master,host=somehostname,master=mymaster,master_ip=127.0.0.1,master_port=6379,port=26379,source=localhost config_epoch=0i,down_after_milliseconds=30000i,failover_timeout=180000i,flags="master",has_quorum=1i,info_refresh=1650i,ip="127.0.0.1",last_ok_ping_reply=1003i,last_ping_reply=1003i,last_ping_sent=0i,link_pending_commands=0i,link_refcount=1i,num_other_sentinels=1i,num_slaves=1i,parallel_syncs=1i,port=6379i,quorum=2i,role_reported="master",role_reported_time=302990i 1570207377000000000 | ||
| ``` | ||
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| ### redis_sentinel_sentinels | ||
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| ```sh | ||
| redis_sentinel_sentinels,flags=sentinel,host=somehostname,master=mymaster,port=26380,sentinel_ip=127.0.0.1,sentinel_port=26379,source=localhost down_after_milliseconds=30000i,flags="sentinel",last_hello_message=1337i,last_ok_ping_reply=566i,last_ping_reply=566i,last_ping_sent=0i,link_pending_commands=0i,link_refcount=1i,name="fd7444de58ecc00f2685cd89fc11ff96c72f0569",voted_leader="?",voted_leader_epoch=0i 1570207377000000000 | ||
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| redis_sentinel_sentinels,flags=sentinel,host=somehostname,master=mymaster,port=26379,sentinel_ip=127.0.0.1,sentinel_port=26380,source=localhost down_after_milliseconds=30000i,flags="sentinel",last_hello_message=1510i,last_ok_ping_reply=1004i,last_ping_reply=1004i,last_ping_sent=0i,link_pending_commands=0i,link_refcount=1i,name="d06519438fe1b35692cb2ea06d57833c959f9114",voted_leader="?",voted_leader_epoch=0i 1570207377000000000 | ||
| ``` | ||
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| ### redis_sentinel_replicas | ||
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| ```sh | ||
| redis_sentinel_replicas,flags=slave,host=somehostname,master=mymaster,port=26379,replica_ip=127.0.0.1,replica_port=6380,source=localhost down_after_milliseconds=30000i,flags="slave",info_refresh=1651i,last_ok_ping_reply=1005i,last_ping_reply=1005i,last_ping_sent=0i,link_pending_commands=0i,link_refcount=1i,master_host="127.0.0.1",master_link_down_time=0i,master_link_status="ok",master_port=6379i,name="127.0.0.1:6380",role_reported="slave",role_reported_time=302983i,slave_priority=100i,slave_repl_offset=40175i 1570207377000000000 | ||
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| redis_sentinel_replicas,flags=slave,host=somehostname,master=mymaster,port=26380,replica_ip=127.0.0.1,replica_port=6380,source=localhost down_after_milliseconds=30000i,flags="slave",info_refresh=111i,last_ok_ping_reply=821i,last_ping_reply=821i,last_ping_sent=0i,link_pending_commands=0i,link_refcount=1i,master_host="127.0.0.1",master_link_down_time=0i,master_link_status="ok",master_port=6379i,name="127.0.0.1:6380",role_reported="slave",role_reported_time=311243i,slave_priority=100i,slave_repl_offset=40441i 1570207377000000000 | ||
| ``` | ||
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| ### redis_sentinel | ||
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| ```sh | ||
| redis_sentinel,host=somehostname,port=26379,source=localhost active_defrag_hits=0i,active_defrag_key_hits=0i,active_defrag_key_misses=0i,active_defrag_misses=0i,blocked_clients=0i,client_recent_max_input_buffer=2i,client_recent_max_output_buffer=0i,clients=3i,evicted_keys=0i,expired_keys=0i,expired_stale_perc=0,expired_time_cap_reached_count=0i,instantaneous_input_kbps=0.01,instantaneous_ops_per_sec=0i,instantaneous_output_kbps=0,keyspace_hits=0i,keyspace_misses=0i,latest_fork_usec=0i,lru_clock=9926289i,migrate_cached_sockets=0i,pubsub_channels=0i,pubsub_patterns=0i,redis_version="5.0.5",rejected_connections=0i,sentinel_masters=1i,sentinel_running_scripts=0i,sentinel_scripts_queue_length=0i,sentinel_simulate_failure_flags=0i,sentinel_tilt=0i,slave_expires_tracked_keys=0i,sync_full=0i,sync_partial_err=0i,sync_partial_ok=0i,total_commands_processed=459i,total_connections_received=6i,total_net_input_bytes=24517i,total_net_output_bytes=14864i,uptime_ns=303000000000i,used_cpu_sys=0.404,used_cpu_sys_children=0,used_cpu_user=0.436,used_cpu_user_children=0 1570207377000000000 | ||
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| redis_sentinel,host=somehostname,port=26380,source=localhost active_defrag_hits=0i,active_defrag_key_hits=0i,active_defrag_key_misses=0i,active_defrag_misses=0i,blocked_clients=0i,client_recent_max_input_buffer=2i,client_recent_max_output_buffer=0i,clients=2i,evicted_keys=0i,expired_keys=0i,expired_stale_perc=0,expired_time_cap_reached_count=0i,instantaneous_input_kbps=0.01,instantaneous_ops_per_sec=0i,instantaneous_output_kbps=0,keyspace_hits=0i,keyspace_misses=0i,latest_fork_usec=0i,lru_clock=9926289i,migrate_cached_sockets=0i,pubsub_channels=0i,pubsub_patterns=0i,redis_version="5.0.5",rejected_connections=0i,sentinel_masters=1i,sentinel_running_scripts=0i,sentinel_scripts_queue_length=0i,sentinel_simulate_failure_flags=0i,sentinel_tilt=0i,slave_expires_tracked_keys=0i,sync_full=0i,sync_partial_err=0i,sync_partial_ok=0i,total_commands_processed=442i,total_connections_received=2i,total_net_input_bytes=23861i,total_net_output_bytes=4443i,uptime_ns=312000000000i,used_cpu_sys=0.46,used_cpu_sys_children=0,used_cpu_user=0.416,used_cpu_user_children=0 1570207377000000000 | ||
| ``` |
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