Add KeyDB (Redis clone) to configuration
Replaces Redis for PVC >= 0.9.81
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@ -21,6 +21,12 @@
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state: restarted
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ignore_errors: yes
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- name: restart keydb
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service:
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name: keydb-server
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state: restarted
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ignore_errors: yes
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# Restart services one-at-a-time
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# Ideally, this would be accomplished by a serial=1, but Ansible doesn't support that and
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# likely never will. Instead, we just run the service restart manually, waiting X seconds
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@ -0,0 +1,39 @@
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---
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- name: remove redis packages via apt
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apt:
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name:
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- redis
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- redis-server
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- redis-tools
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state: absent
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purge: yes
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- name: install keydb packages via apt
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apt:
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name:
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- keydb
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state: latest
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update-cache: yes
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register: apt_res
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retries: 5
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until: apt_res is success
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- name: install keydb configuration file
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template:
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src: keydb/keydb.conf.j2
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dest: /etc/keydb/keydb.conf
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owner: keydb
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group: keydb
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mode: 0640
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notify: restart keydb
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- name: start but disable services (managed by PVC)
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service:
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name: "{{ item }}"
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state: started
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enabled: no
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ignore_errors: yes
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with_items:
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- keydb-server
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- meta: flush_handlers
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@ -45,6 +45,10 @@
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tags: pvc-patroni
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when: is_coordinator
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- include: keydb/main.yml
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tags: pvc-keydb
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when: is_coordinator
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# Install core services
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- include: libvirt/main.yml
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tags: pvc-libvirt
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@ -0,0 +1,79 @@
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bind 0.0.0.0
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protected-mode no
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port 6379
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tcp-backlog 511
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timeout 0
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tcp-keepalive 300
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daemonize yes
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pidfile /var/run/keydb/keydb-server.pid
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loglevel notice
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logfile /var/log/keydb/keydb-server.log
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databases 16
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always-show-logo yes
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set-proc-title yes
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proc-title-template "{title} {listen-addr} {server-mode}"
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save 5 1
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stop-writes-on-bgsave-error yes
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rdbcompression yes
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rdbchecksum yes
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dbfilename dump.rdb
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rdb-del-sync-files no
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dir /var/lib/keydb
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replica-serve-stale-data yes
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replica-read-only yes
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repl-diskless-sync no
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repl-diskless-sync-delay 5
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repl-diskless-load disabled
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repl-disable-tcp-nodelay no
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replica-priority 100
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acllog-max-len 128
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lazyfree-lazy-eviction no
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lazyfree-lazy-expire no
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lazyfree-lazy-server-del no
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replica-lazy-flush no
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lazyfree-lazy-user-del no
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lazyfree-lazy-user-flush no
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oom-score-adj no
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oom-score-adj-values 0 200 800
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disable-thp yes
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appendonly no
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appendfilename "appendonly.aof"
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appendfsync everysec
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no-appendfsync-on-rewrite no
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auto-aof-rewrite-percentage 100
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auto-aof-rewrite-min-size 64mb
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aof-load-truncated yes
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aof-use-rdb-preamble yes
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lua-time-limit 5000
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slowlog-log-slower-than 10000
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slowlog-max-len 128
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latency-monitor-threshold 0
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notify-keyspace-events ""
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hash-max-ziplist-entries 512
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hash-max-ziplist-value 64
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list-max-ziplist-size -2
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list-compress-depth 0
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set-max-intset-entries 512
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zset-max-ziplist-entries 128
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zset-max-ziplist-value 64
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hll-sparse-max-bytes 3000
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stream-node-max-bytes 4096
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stream-node-max-entries 100
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activerehashing yes
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client-output-buffer-limit normal 0 0 0
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client-output-buffer-limit replica 256mb 64mb 60
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client-output-buffer-limit pubsub 32mb 8mb 60
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hz 10
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dynamic-hz yes
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aof-rewrite-incremental-fsync yes
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rdb-save-incremental-fsync yes
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jemalloc-bg-thread yes
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server-threads 2
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replica-weighting-factor 2
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# Enable multi-master replication
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multi-master yes
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active-replica yes
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{% for node in pvc_nodes if node.is_coordinator and node.hostname != ansible_hostname %}
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replicaof {{ node.cluster_ip }} 6379
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{% endfor %}
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