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55 lines
2.0 KiB
55 lines
2.0 KiB
6 years ago
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syntax = "proto3";
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package envoy.config.cluster.redis;
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option java_outer_classname = "RedisClusterProto";
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option java_multiple_files = true;
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option java_package = "io.envoyproxy.envoy.config.cluster.redis";
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option go_package = "v2";
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import "google/protobuf/duration.proto";
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import "validate/validate.proto";
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import "gogoproto/gogo.proto";
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// [#protodoc-title: Redis Cluster Configuration]
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// This cluster adds support for `Redis Cluster <https://redis.io/topics/cluster-spec>`_, as part
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// of :ref:`Envoy's support for Redis Cluster <arch_overview_redis>`.
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//
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// Redis Cluster is an extension of Redis which supports sharding and high availability (where a
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// shard that loses its master fails over to a replica, and designates it as the new master).
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// However, as there is no unified frontend or proxy service in front of Redis Cluster, the client
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// (in this case Envoy) must locally maintain the state of the Redis Cluster, specifically the
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// topology. A random node in the cluster is queried for the topology using the `CLUSTER SLOTS
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// command <https://redis.io/commands/cluster-slots>`_. This result is then stored locally, and
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// updated at user-configured intervals.
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//
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// Example:
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//
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// .. code-block:: yaml
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//
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// name: name
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// connect_timeout: 0.25s
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// dns_lookup_family: V4_ONLY
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// hosts:
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// - socket_address:
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// address: foo.bar.com
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// port_value: 22120
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// cluster_type:
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// name: envoy.clusters.redis
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// typed_config:
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// "@type": type.googleapis.com/google.protobuf.Struct
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// value:
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// cluster_refresh_rate: 30s
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// cluster_refresh_timeout: 0.5s
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message RedisClusterConfig {
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// Interval between successive topology refresh requests. If not set, this defaults to 5s.
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google.protobuf.Duration cluster_refresh_rate = 1
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[(validate.rules).duration.gt = {}, (gogoproto.stdduration) = true];
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// Timeout for topology refresh request. If not set, this defaults to 3s.
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google.protobuf.Duration cluster_refresh_timeout = 2
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[(validate.rules).duration.gt = {}, (gogoproto.stdduration) = true];
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}
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