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feat: [Cloud Memorystore for Redis] Support Multiple Read Replicas wh…
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…en creating Instance (#526)

* feat: [Cloud Memorystore for Redis] Support Multiple Read Replicas when creating Instance

PiperOrigin-RevId: 408360267

Source-Link: googleapis/googleapis@8625cf0

Source-Link: googleapis/googleapis-gen@d842478
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* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* chore: change node version for sample

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Takashi Matsuo <tmatsuo@google.com>
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3 people committed Nov 10, 2021
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100 changes: 76 additions & 24 deletions protos/google/cloud/redis/v1/cloud_redis.proto
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2020 Google LLC
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
Expand Down Expand Up @@ -165,7 +165,7 @@ service CloudRedis {
};
}

// Initiates a failover of the master node to current replica node for a
// Initiates a failover of the primary node to current replica node for a
// specific STANDARD tier Cloud Memorystore for Redis instance.
rpc FailoverInstance(FailoverInstanceRequest) returns (google.longrunning.Operation) {
option (google.api.http) = {
Expand Down Expand Up @@ -193,6 +193,15 @@ service CloudRedis {
}
}

// Node specific properties.
message NodeInfo {
// Output only. Node identifying string. e.g. 'node-0', 'node-1'
string id = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

// Output only. Location of the node.
string zone = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// A Google Cloud Redis instance.
message Instance {
option (google.api.resource) = {
Expand Down Expand Up @@ -258,6 +267,21 @@ message Instance {
PRIVATE_SERVICE_ACCESS = 2;
}

// Read replicas mode.
enum ReadReplicasMode {
// If not set, Memorystore Redis backend will pick the mode based on other fields in
// the request.
READ_REPLICAS_MODE_UNSPECIFIED = 0;

// If disabled, read endpoint will not be provided and the instance cannot
// scale up or down the number of replicas.
READ_REPLICAS_DISABLED = 1;

// If enabled, read endpoint will be provided and the instance can scale
// up and down the number of replicas.
READ_REPLICAS_ENABLED = 2;
}

// Required. Unique name of the resource in this scope including project and
// location using the form:
// `projects/{project_id}/locations/{location_id}/instances/{instance_id}`
Expand All @@ -276,15 +300,17 @@ message Instance {
map<string, string> labels = 3;

// Optional. The zone where the instance will be provisioned. If not provided,
// the service will choose a zone for the instance. For STANDARD_HA tier,
// instances will be created across two zones for protection against zonal
// failures. If [alternative_location_id][google.cloud.redis.v1.Instance.alternative_location_id] is also provided, it must be
// different from [location_id][google.cloud.redis.v1.Instance.location_id].
// the service will choose a zone from the specified region for the instance.
// For standard tier, additional nodes will be added across multiple zones for
// protection against zonal failures. If specified, at least one node will be
// provisioned in this zone.
string location_id = 4 [(google.api.field_behavior) = OPTIONAL];

// Optional. Only applicable to STANDARD_HA tier which protects the instance
// against zonal failures by provisioning it across two zones. If provided, it
// must be a different zone from the one provided in [location_id][google.cloud.redis.v1.Instance.location_id].
// Optional. If specified, at least one node will be provisioned in this zone
// in addition to the zone specified in location_id. Only applicable to
// standard tier. If provided, it must be a different zone from the one
// provided in [location_id]. Additional nodes beyond the first 2 will be
// placed in zones selected by the service.
string alternative_location_id = 5 [(google.api.field_behavior) = OPTIONAL];

// Optional. The version of Redis software.
Expand All @@ -294,12 +320,17 @@ message Instance {
// * `REDIS_3_2` for Redis 3.2 compatibility
// * `REDIS_4_0` for Redis 4.0 compatibility (default)
// * `REDIS_5_0` for Redis 5.0 compatibility
// * `REDIS_6_X` for Redis 6.x compatibility
string redis_version = 7 [(google.api.field_behavior) = OPTIONAL];

// Optional. The CIDR range of internal addresses that are reserved for this
// instance. If not provided, the service will choose an unused /29 block,
// for example, 10.0.0.0/29 or 192.168.0.0/29. Ranges must be unique
// and non-overlapping with existing subnets in an authorized network.
// Optional. For DIRECT_PEERING mode, the CIDR range of internal addresses
// that are reserved for this instance. Range must
// be unique and non-overlapping with existing subnets in an authorized
// network. For PRIVATE_SERVICE_ACCESS mode, the name of one allocated IP
// address ranges associated with this private service access connection.
// If not provided, the service will choose an unused /29 block, for
// example, 10.0.0.0/29 or 192.168.0.0/29. For READ_REPLICAS_ENABLED
// the default block size is /28.
string reserved_ip_range = 9 [(google.api.field_behavior) = OPTIONAL];

// Output only. Hostname or IP address of the exposed Redis endpoint used by
Expand All @@ -309,11 +340,9 @@ message Instance {
// Output only. The port number of the exposed Redis endpoint.
int32 port = 11 [(google.api.field_behavior) = OUTPUT_ONLY];

// Output only. The current zone where the Redis endpoint is placed. For Basic
// Tier instances, this will always be the same as the [location_id][google.cloud.redis.v1.Instance.location_id]
// provided by the user at creation time. For Standard Tier instances,
// this can be either [location_id][google.cloud.redis.v1.Instance.location_id] or [alternative_location_id][google.cloud.redis.v1.Instance.alternative_location_id] and can
// change after a failover event.
// Output only. The current zone where the Redis primary node is located. In
// basic tier, this will always be the same as [location_id]. In
// standard tier, this can be the zone of any node in the instance.
string current_location_id = 12 [(google.api.field_behavior) = OUTPUT_ONLY];

// Output only. The time the instance was created.
Expand Down Expand Up @@ -370,6 +399,27 @@ message Instance {
// Optional. The network connect mode of the Redis instance.
// If not provided, the connect mode defaults to DIRECT_PEERING.
ConnectMode connect_mode = 22 [(google.api.field_behavior) = OPTIONAL];

// Optional. The number of replica nodes. Valid range for standard tier
// is [1-5] and defaults to 1. Valid value for basic tier is 0 and defaults
// to 0.
int32 replica_count = 31 [(google.api.field_behavior) = OPTIONAL];

// Output only. Info per node.
repeated NodeInfo nodes = 32 [(google.api.field_behavior) = OUTPUT_ONLY];

// Output only. Hostname or IP address of the exposed readonly Redis
// endpoint. Standard tier only. Targets all healthy replica nodes in
// instance. Replication is asynchronous and replica nodes will exhibit some
// lag behind the primary. Write requests must target 'host'.
string read_endpoint = 33 [(google.api.field_behavior) = OUTPUT_ONLY];

// Output only. The port number of the exposed readonly redis
// endpoint. Standard tier only. Write requests should target 'port'.
int32 read_endpoint_port = 34 [(google.api.field_behavior) = OUTPUT_ONLY];

// Optional. Read replica mode.
ReadReplicasMode read_replicas_mode = 35 [(google.api.field_behavior) = OPTIONAL];
}

// Request for [ListInstances][google.cloud.redis.v1.CloudRedis.ListInstances].
Expand Down Expand Up @@ -405,11 +455,12 @@ message ListInstancesResponse {
//
// If the `location_id` in the parent field of the request is "-", all regions
// available to the project are queried, and the results aggregated.
// If in such an aggregated query a location is unavailable, a dummy Redis
// entry is included in the response with the `name` field set to a value of
// the form `projects/{project_id}/locations/{location_id}/instances/`- and
// the `status` field set to ERROR and `status_message` field set to "location
// not available for ListInstances".
// If in such an aggregated query a location is unavailable, a placeholder
// Redis entry is included in the response with the `name` field set to a
// value of the form
// `projects/{project_id}/locations/{location_id}/instances/`- and the
// `status` field set to ERROR and `status_message` field set to "location not
// available for ListInstances".
repeated Instance instances = 1;

// Token to retrieve the next page of results, or empty if there are no more
Expand Down Expand Up @@ -469,6 +520,7 @@ message UpdateInstanceRequest {
// * `labels`
// * `memorySizeGb`
// * `redisConfig`
// * `replica_count`
google.protobuf.FieldMask update_mask = 1 [(google.api.field_behavior) = REQUIRED];

// Required. Update description.
Expand Down Expand Up @@ -568,7 +620,7 @@ message FailoverInstanceRequest {

// Instance failover will be protected with data loss control. More
// specifically, the failover will only be performed if the current
// replication offset diff between master and replica is under a certain
// replication offset diff between primary and replica is under a certain
// threshold.
LIMITED_DATA_LOSS = 1;

Expand Down
133 changes: 133 additions & 0 deletions protos/protos.d.ts
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