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README updated #252

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25 changes: 22 additions & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,8 @@ In this case, I'm assuming you have DNS records set up for redis-master.example.
redis_slaveof: "{{ hostvars['redis-master.example.com'].ansible_eth1.ipv4.address }} {{ redis_port }}"
```

**Note:** You should set `redis_bind: 0.0.0.0` (or other non localhost address) or add `protected-mode no` in the configuration file if used release <= 1.2.8, else set `redis_protected_mode: "no"`. Otherwise you see in the log: ` Error reply to PING from master: '-DENIED Redis is running in protected mode ...`

Now you're cooking with gas! Running this playbook should have you ready to go with a Redis master and three slaves.

### Redis Sentinel
Expand Down Expand Up @@ -188,7 +190,7 @@ To build 32-bit binaries of Redis (which can be used for [memory optimization](h

## Role Variables

Here is a list of all the default variables for this role, which are also available in defaults/main.yml. One of these days I'll format these into a table or something.
Here is a list of all the default [variables](defaults/main.yml) for this role, which are also available in defaults/main.yml. One of these days I'll format these into a table or something.

``` yml
---
Expand All @@ -198,6 +200,8 @@ redis_install_dir: /opt/redis
redis_dir: /var/lib/redis/{{ redis_port }}
redis_config_file_name: "{{ redis_port }}.conf"
redis_download_url: "http://download.redis.io/releases/redis-{{ redis_version }}.tar.gz"

redis_protected_mode: "yes"
# Set this to true to validate redis tarball checksum against vars/main.yml
redis_verify_checksum: false
# Set this value to a local path of a tarball to use for installation instead of downloading
Expand All @@ -210,6 +214,7 @@ redis_group: "{{ redis_user }}"

# The open file limit for Redis/Sentinel
redis_nofile_limit: 16384
redis_oom_score_adjust: 0

## Role options
# Configure Redis as a service
Expand All @@ -222,7 +227,7 @@ redis_local_facts: true
redis_service_name: "redis_{{ redis_port }}"

## Networking/connection options
redis_bind: 0.0.0.0
redis_bind: false
redis_port: 6379
redis_password: false
# Slave replication options
Expand Down Expand Up @@ -268,7 +273,13 @@ redis_slowlog_max_len: 128
redis_maxmemory: false
redis_maxmemory_policy: noeviction
redis_rename_commands: []
redis_db_filename: dump.rdb

# Lua script time limit
redis_lua_time_limit: 5000

# the file name for the RDB Backup
redis_db_filename: "dump.rdb"

# How frequently to snapshot the database to disk
# e.g. "900 1" => 900 seconds if at least 1 key changed
redis_save:
Expand All @@ -286,6 +297,12 @@ redis_auto_aof_rewrite_percentage: "100"
redis_auto_aof_rewrite_min_size: "64mb"
redis_notify_keyspace_events: '""'

redis_client_output_buffer_limit_normal: 0 0 0
redis_client_output_buffer_limit_slave: 256mb 64mb 60
redis_client_output_buffer_limit_pubsub: 32mb 8mb 60

redis_hz: 10

## Additional configuration options
# leave empty if not required. Use a block style scalar to add options, e.g.
# redis_config_additional: |
Expand All @@ -296,13 +313,15 @@ redis_config_additional: ""
## Redis sentinel configs
# Set this to true on a host to configure it as a Sentinel
redis_sentinel: false
redis_sentinel_protected_mode: "yes"
redis_sentinel_dir: /var/lib/redis/sentinel_{{ redis_sentinel_port }}
redis_sentinel_bind: 0.0.0.0
redis_sentinel_port: 26379
redis_sentinel_password: false
redis_sentinel_pidfile: /var/run/redis/sentinel_{{ redis_sentinel_port }}.pid
redis_sentinel_logfile: '""'
redis_sentinel_syslog_ident: sentinel_{{ redis_sentinel_port }}
redis_sentinel_oom_score_adjust: 0
redis_sentinel_monitors:
- name: master01
host: localhost
Expand Down