create_replication_group ¶

def create_replication_group(
    self,
    *,
    config_overrides: Optional[ElastiCacheClientConfig] = None,
    replication_group_id: Optional["capo_elasticache.types.string.String"] = None,
    replication_group_description: Optional[
        "capo_elasticache.types.string.String"
    ] = None,
    global_replication_group_id: Optional[
        "capo_elasticache.types.string.String"
    ] = None,
    primary_cluster_id: Optional["capo_elasticache.types.string.String"] = None,
    automatic_failover_enabled: Optional[
        "capo_elasticache.types.boolean_optional.BooleanOptional"
    ] = None,
    multi_az_enabled: Optional[
        "capo_elasticache.types.boolean_optional.BooleanOptional"
    ] = None,
    num_cache_clusters: Optional[
        "capo_elasticache.types.integer_optional.IntegerOptional"
    ] = None,
    preferred_cache_cluster_a_zs: Optional[
        "capo_elasticache.types.availability_zones_list.AvailabilityZonesList"
    ] = None,
    num_node_groups: Optional[
        "capo_elasticache.types.integer_optional.IntegerOptional"
    ] = None,
    replicas_per_node_group: Optional[
        "capo_elasticache.types.integer_optional.IntegerOptional"
    ] = None,
    node_group_configuration: Optional[
        "capo_elasticache.types.node_group_configuration_list.NodeGroupConfigurationList"
    ] = None,
    cache_node_type: Optional["capo_elasticache.types.string.String"] = None,
    engine: Optional["capo_elasticache.types.string.String"] = None,
    engine_version: Optional["capo_elasticache.types.string.String"] = None,
    cache_parameter_group_name: Optional[
        "capo_elasticache.types.string.String"
    ] = None,
    cache_subnet_group_name: Optional[
        "capo_elasticache.types.string.String"
    ] = None,
    cache_security_group_names: Optional[
        "capo_elasticache.types.cache_security_group_name_list.CacheSecurityGroupNameList"
    ] = None,
    security_group_ids: Optional[
        "capo_elasticache.types.security_group_ids_list.SecurityGroupIdsList"
    ] = None,
    tags: Optional["capo_elasticache.types.tag_list.TagList"] = None,
    snapshot_arns: Optional[
        "capo_elasticache.types.snapshot_arns_list.SnapshotArnsList"
    ] = None,
    snapshot_name: Optional["capo_elasticache.types.string.String"] = None,
    preferred_maintenance_window: Optional[
        "capo_elasticache.types.string.String"
    ] = None,
    port: Optional[
        "capo_elasticache.types.integer_optional.IntegerOptional"
    ] = None,
    notification_topic_arn: Optional["capo_elasticache.types.string.String"] = None,
    auto_minor_version_upgrade: Optional[
        "capo_elasticache.types.boolean_optional.BooleanOptional"
    ] = None,
    snapshot_retention_limit: Optional[
        "capo_elasticache.types.integer_optional.IntegerOptional"
    ] = None,
    snapshot_window: Optional["capo_elasticache.types.string.String"] = None,
    auth_token: Optional["capo_elasticache.types.string.String"] = None,
    transit_encryption_enabled: Optional[
        "capo_elasticache.types.boolean_optional.BooleanOptional"
    ] = None,
    at_rest_encryption_enabled: Optional[
        "capo_elasticache.types.boolean_optional.BooleanOptional"
    ] = None,
    kms_key_id: Optional["capo_elasticache.types.string.String"] = None,
    user_group_ids: Optional[
        "capo_elasticache.types.user_group_id_list_input.UserGroupIdListInput"
    ] = None,
    log_delivery_configurations: Optional[
        "capo_elasticache.types.log_delivery_configuration_request_list.LogDeliveryConfigurationRequestList"
    ] = None,
    data_tiering_enabled: Optional[
        "capo_elasticache.types.boolean_optional.BooleanOptional"
    ] = None,
    network_type: Optional[
        "capo_elasticache.types.network_type.NetworkType"
    ] = None,
    ip_discovery: Optional[
        "capo_elasticache.types.ip_discovery.IpDiscovery"
    ] = None,
    transit_encryption_mode: Optional[
        "capo_elasticache.types.transit_encryption_mode.TransitEncryptionMode"
    ] = None,
    cluster_mode: Optional[
        "capo_elasticache.types.cluster_mode.ClusterMode"
    ] = None,
    serverless_cache_snapshot_name: Optional[
        "capo_elasticache.types.string.String"
    ] = None,
    durability: Optional["capo_elasticache.types.durability.Durability"] = None,
) -> "capo_elasticache.types.create_replication_group_result.CreateReplicationGroupResult":
    """<p>Creates a Valkey or Redis OSS (cluster mode disabled) or a Valkey or Redis OSS (cluster mode enabled) replication group.</p> <p>This API can be used to create a standalone regional replication group or a secondary replication group associated with a Global datastore.</p> <p>A Valkey or Redis OSS (cluster mode disabled) replication group is a collection of nodes, where one of the nodes is a read/write primary and the others are read-only replicas. Writes to the primary are asynchronously propagated to the replicas.</p> <p>A Valkey or Redis OSS cluster-mode enabled cluster is comprised of from 1 to 90 shards (API/CLI: node groups). Each shard has a primary node and up to 5 read-only replica nodes. The configuration can range from 90 shards and 0 replicas to 15 shards and 5 replicas, which is the maximum number or replicas allowed. </p> <p>The node or shard limit can be increased to a maximum of 500 per cluster if the Valkey or Redis OSS engine version is 5.0.6 or higher. For example, you can choose to configure a 500 node cluster that ranges between 83 shards (one primary and 5 replicas per shard) and 500 shards (single primary and no replicas). Make sure there are enough available IP addresses to accommodate the increase. Common pitfalls include the subnets in the subnet group have too small a CIDR range or the subnets are shared and heavily used by other clusters. For more information, see <a href="https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/SubnetGroups.Creating.html">Creating a Subnet Group</a>. For versions below 5.0.6, the limit is 250 per cluster.</p> <p>To request a limit increase, see <a href="https://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html">Amazon Service Limits</a> and choose the limit type <b>Nodes per cluster per instance type</b>. </p> <p>When a Valkey or Redis OSS (cluster mode disabled) replication group has been successfully created, you can add one or more read replicas to it, up to a total of 5 read replicas. If you need to increase or decrease the number of node groups (console: shards), you can use scaling. For more information, see <a href="https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/Scaling.html">Scaling self-designed clusters</a> in the <i>ElastiCache User Guide</i>.</p> <note> <p>This operation is valid for Valkey and Redis OSS only.</p> </note>

    Args:
        replication_group_id: <p>The replication group identifier. This parameter is stored as a lowercase string.</p> <p>Constraints:</p> <ul> <li> <p>A name must contain from 1 to 40 alphanumeric characters or hyphens.</p> </li> <li> <p>The first character must be a letter.</p> </li> <li> <p>A name cannot end with a hyphen or contain two consecutive hyphens.</p> </li> </ul>
        replication_group_description: <p>A user-created description for the replication group.</p>
        global_replication_group_id: <p>The name of the Global datastore</p>
        primary_cluster_id: <p>The identifier of the cluster that serves as the primary for this replication group. This cluster must already exist and have a status of <code>available</code>.</p> <p>This parameter is not required if <code>NumCacheClusters</code>, <code>NumNodeGroups</code>, or <code>ReplicasPerNodeGroup</code> is specified.</p>
        automatic_failover_enabled: <p>Specifies whether a read-only replica is automatically promoted to read/write primary if the existing primary fails.</p> <p> <code>AutomaticFailoverEnabled</code> must be enabled for Valkey or Redis OSS (cluster mode enabled) replication groups.</p> <p>Default: false</p>
        multi_az_enabled: <p>A flag indicating if you have Multi-AZ enabled to enhance fault tolerance. For more information, see <a href="http://docs.aws.amazon.com/AmazonElastiCache/latest/dg/AutoFailover.html">Minimizing Downtime: Multi-AZ</a>.</p>
        num_cache_clusters: <p>The number of clusters this replication group initially has.</p> <p>This parameter is not used if there is more than one node group (shard). You should use <code>ReplicasPerNodeGroup</code> instead.</p> <p>If <code>AutomaticFailoverEnabled</code> is <code>true</code>, the value of this parameter must be at least 2. If <code>AutomaticFailoverEnabled</code> is <code>false</code> you can omit this parameter (it will default to 1), or you can explicitly set it to a value between 2 and 6.</p> <p>The maximum permitted value for <code>NumCacheClusters</code> is 6 (1 primary plus 5 replicas).</p>
        preferred_cache_cluster_a_zs: <p>A list of EC2 Availability Zones in which the replication group's clusters are created. The order of the Availability Zones in the list is the order in which clusters are allocated. The primary cluster is created in the first AZ in the list.</p> <p>This parameter is not used if there is more than one node group (shard). You should use <code>NodeGroupConfiguration</code> instead.</p> <note> <p>If you are creating your replication group in an Amazon VPC (recommended), you can only locate clusters in Availability Zones associated with the subnets in the selected subnet group.</p> <p>The number of Availability Zones listed must equal the value of <code>NumCacheClusters</code>.</p> </note> <p>Default: system chosen Availability Zones.</p>
        num_node_groups: <p>An optional parameter that specifies the number of node groups (shards) for this Valkey or Redis OSS (cluster mode enabled) replication group. For Valkey or Redis OSS (cluster mode disabled) either omit this parameter or set it to 1.</p> <p>Default: 1</p>
        replicas_per_node_group: <p>An optional parameter that specifies the number of replica nodes in each node group (shard). Valid values are 0 to 5.</p>
        node_group_configuration: <p>A list of node group (shard) configuration options. Each node group (shard) configuration has the following members: <code>PrimaryAvailabilityZone</code>, <code>ReplicaAvailabilityZones</code>, <code>ReplicaCount</code>, and <code>Slots</code>.</p> <p>If you're creating a Valkey or Redis OSS (cluster mode disabled) or a Valkey or Redis OSS (cluster mode enabled) replication group, you can use this parameter to individually configure each node group (shard), or you can omit this parameter. However, it is required when seeding a Valkey or Redis OSS (cluster mode enabled) cluster from a S3 rdb file. You must configure each node group (shard) using this parameter because you must specify the slots for each node group.</p>
        cache_node_type: <p>The compute and memory capacity of the nodes in the node group (shard).</p> <p>The following node types are supported by ElastiCache. Generally speaking, the current generation types provide more memory and computational power at lower cost when compared to their equivalent previous generation counterparts.</p> <ul> <li> <p>General purpose:</p> <ul> <li> <p>Current generation: </p> <p> <b>M7g node types</b>: <code>cache.m7g.large</code>, <code>cache.m7g.xlarge</code>, <code>cache.m7g.2xlarge</code>, <code>cache.m7g.4xlarge</code>, <code>cache.m7g.8xlarge</code>, <code>cache.m7g.12xlarge</code>, <code>cache.m7g.16xlarge</code> </p> <note> <p>For region availability, see <a href="https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/CacheNodes.SupportedTypes.html#CacheNodes.SupportedTypesByRegion">Supported Node Types</a> </p> </note> <p> <b>M6g node types</b> (available only for Redis OSS engine version 5.0.6 onward and for Memcached engine version 1.5.16 onward): <code>cache.m6g.large</code>, <code>cache.m6g.xlarge</code>, <code>cache.m6g.2xlarge</code>, <code>cache.m6g.4xlarge</code>, <code>cache.m6g.8xlarge</code>, <code>cache.m6g.12xlarge</code>, <code>cache.m6g.16xlarge</code> </p> <p> <b>M5 node types:</b> <code>cache.m5.large</code>, <code>cache.m5.xlarge</code>, <code>cache.m5.2xlarge</code>, <code>cache.m5.4xlarge</code>, <code>cache.m5.12xlarge</code>, <code>cache.m5.24xlarge</code> </p> <p> <b>M4 node types:</b> <code>cache.m4.large</code>, <code>cache.m4.xlarge</code>, <code>cache.m4.2xlarge</code>, <code>cache.m4.4xlarge</code>, <code>cache.m4.10xlarge</code> </p> <p> <b>T4g node types</b> (available only for Redis OSS engine version 5.0.6 onward and Memcached engine version 1.5.16 onward): <code>cache.t4g.micro</code>, <code>cache.t4g.small</code>, <code>cache.t4g.medium</code> </p> <p> <b>T3 node types:</b> <code>cache.t3.micro</code>, <code>cache.t3.small</code>, <code>cache.t3.medium</code> </p> <p> <b>T2 node types:</b> <code>cache.t2.micro</code>, <code>cache.t2.small</code>, <code>cache.t2.medium</code> </p> </li> <li> <p>Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.)</p> <p> <b>T1 node types:</b> <code>cache.t1.micro</code> </p> <p> <b>M1 node types:</b> <code>cache.m1.small</code>, <code>cache.m1.medium</code>, <code>cache.m1.large</code>, <code>cache.m1.xlarge</code> </p> <p> <b>M3 node types:</b> <code>cache.m3.medium</code>, <code>cache.m3.large</code>, <code>cache.m3.xlarge</code>, <code>cache.m3.2xlarge</code> </p> </li> </ul> </li> <li> <p>Compute optimized:</p> <ul> <li> <p>Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.)</p> <p> <b>C1 node types:</b> <code>cache.c1.xlarge</code> </p> </li> </ul> </li> <li> <p>Memory optimized:</p> <ul> <li> <p>Current generation: </p> <p> <b>R7g node types</b>: <code>cache.r7g.large</code>, <code>cache.r7g.xlarge</code>, <code>cache.r7g.2xlarge</code>, <code>cache.r7g.4xlarge</code>, <code>cache.r7g.8xlarge</code>, <code>cache.r7g.12xlarge</code>, <code>cache.r7g.16xlarge</code> </p> <note> <p>For region availability, see <a href="https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/CacheNodes.SupportedTypes.html#CacheNodes.SupportedTypesByRegion">Supported Node Types</a> </p> </note> <p> <b>R6g node types</b> (available only for Redis OSS engine version 5.0.6 onward and for Memcached engine version 1.5.16 onward): <code>cache.r6g.large</code>, <code>cache.r6g.xlarge</code>, <code>cache.r6g.2xlarge</code>, <code>cache.r6g.4xlarge</code>, <code>cache.r6g.8xlarge</code>, <code>cache.r6g.12xlarge</code>, <code>cache.r6g.16xlarge</code> </p> <p> <b>R5 node types:</b> <code>cache.r5.large</code>, <code>cache.r5.xlarge</code>, <code>cache.r5.2xlarge</code>, <code>cache.r5.4xlarge</code>, <code>cache.r5.12xlarge</code>, <code>cache.r5.24xlarge</code> </p> <p> <b>R4 node types:</b> <code>cache.r4.large</code>, <code>cache.r4.xlarge</code>, <code>cache.r4.2xlarge</code>, <code>cache.r4.4xlarge</code>, <code>cache.r4.8xlarge</code>, <code>cache.r4.16xlarge</code> </p> </li> <li> <p>Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.)</p> <p> <b>M2 node types:</b> <code>cache.m2.xlarge</code>, <code>cache.m2.2xlarge</code>, <code>cache.m2.4xlarge</code> </p> <p> <b>R3 node types:</b> <code>cache.r3.large</code>, <code>cache.r3.xlarge</code>, <code>cache.r3.2xlarge</code>, <code>cache.r3.4xlarge</code>, <code>cache.r3.8xlarge</code> </p> </li> </ul> </li> </ul> <p> <b>Additional node type info</b> </p> <ul> <li> <p>All current generation instance types are created in Amazon VPC by default.</p> </li> <li> <p>Valkey or Redis OSS append-only files (AOF) are not supported for T1 or T2 instances.</p> </li> <li> <p>Valkey or Redis OSS Multi-AZ with automatic failover is not supported on T1 instances.</p> </li> <li> <p>The configuration variables <code>appendonly</code> and <code>appendfsync</code> are not supported on Valkey, or on Redis OSS version 2.8.22 and later.</p> </li> </ul>
        engine: <p>The name of the cache engine to be used for the clusters in this replication group. The value must be set to <code>valkey</code> or <code>redis</code>.</p>
        engine_version: <p>The version number of the cache engine to be used for the clusters in this replication group. To view the supported cache engine versions, use the <code>DescribeCacheEngineVersions</code> operation.</p> <p> <b>Important:</b> You can upgrade to a newer engine version (see <a href="https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/SelectEngine.html#VersionManagement">Selecting a Cache Engine and Version</a>) in the <i>ElastiCache User Guide</i>, but you cannot downgrade to an earlier engine version. If you want to use an earlier engine version, you must delete the existing cluster or replication group and create it anew with the earlier engine version. </p>
        cache_parameter_group_name: <p>The name of the parameter group to associate with this replication group. If this argument is omitted, the default cache parameter group for the specified engine is used.</p> <p>If you are running Valkey or Redis OSS version 3.2.4 or later, only one node group (shard), and want to use a default parameter group, we recommend that you specify the parameter group by name. </p> <ul> <li> <p>To create a Valkey or Redis OSS (cluster mode disabled) replication group, use <code>CacheParameterGroupName=default.redis3.2</code>.</p> </li> <li> <p>To create a Valkey or Redis OSS (cluster mode enabled) replication group, use <code>CacheParameterGroupName=default.redis3.2.cluster.on</code>.</p> </li> </ul>
        cache_subnet_group_name: <p>The name of the cache subnet group to be used for the replication group.</p> <important> <p>If you're going to launch your cluster in an Amazon VPC, you need to create a subnet group before you start creating a cluster. For more information, see <a href="https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/SubnetGroups.html">Subnets and Subnet Groups</a>.</p> </important>
        cache_security_group_names: <p>A list of cache security group names to associate with this replication group.</p>
        security_group_ids: <p>One or more Amazon VPC security groups associated with this replication group.</p> <p>Use this parameter only when you are creating a replication group in an Amazon Virtual Private Cloud (Amazon VPC).</p>
        tags: <p>A list of tags to be added to this resource. Tags are comma-separated key,value pairs (e.g. Key=<code>myKey</code>, Value=<code>myKeyValue</code>. You can include multiple tags as shown following: Key=<code>myKey</code>, Value=<code>myKeyValue</code> Key=<code>mySecondKey</code>, Value=<code>mySecondKeyValue</code>. Tags on replication groups will be replicated to all nodes.</p>
        snapshot_arns: <p>A list of Amazon Resource Names (ARN) that uniquely identify the Valkey or Redis OSS RDB snapshot files stored in Amazon S3. The snapshot files are used to populate the new replication group. The Amazon S3 object name in the ARN cannot contain any commas. The new replication group will have the number of node groups (console: shards) specified by the parameter <i>NumNodeGroups</i> or the number of node groups configured by <i>NodeGroupConfiguration</i> regardless of the number of ARNs specified here.</p> <p>Example of an Amazon S3 ARN: <code>arn:aws:s3:::my_bucket/snapshot1.rdb</code> </p>
        snapshot_name: <p>The name of a snapshot from which to restore data into the new replication group. The snapshot status changes to <code>restoring</code> while the new replication group is being created.</p>
        preferred_maintenance_window: <p>Specifies the weekly time range during which maintenance on the cluster is performed. It is specified as a range in the format ddd:hh24:mi-ddd:hh24:mi (24H Clock UTC). The minimum maintenance window is a 60 minute period.</p> <p>Valid values for <code>ddd</code> are:</p> <ul> <li> <p> <code>sun</code> </p> </li> <li> <p> <code>mon</code> </p> </li> <li> <p> <code>tue</code> </p> </li> <li> <p> <code>wed</code> </p> </li> <li> <p> <code>thu</code> </p> </li> <li> <p> <code>fri</code> </p> </li> <li> <p> <code>sat</code> </p> </li> </ul> <p>Example: <code>sun:23:00-mon:01:30</code> </p>
        port: <p>The port number on which each member of the replication group accepts connections.</p>
        notification_topic_arn: <p>The Amazon Resource Name (ARN) of the Amazon Simple Notification Service (SNS) topic to which notifications are sent.</p> <note> <p>The Amazon SNS topic owner must be the same as the cluster owner.</p> </note>
        auto_minor_version_upgrade: <p> If you are running Valkey 7.2 and above or Redis OSS engine version 6.0 and above, set this parameter to yes to opt-in to the next auto minor version upgrade campaign. This parameter is disabled for previous versions. </p>
        snapshot_retention_limit: <p>The number of days for which ElastiCache retains automatic snapshots before deleting them. For example, if you set <code>SnapshotRetentionLimit</code> to 5, a snapshot that was taken today is retained for 5 days before being deleted.</p> <p>Default: 0 (i.e., automatic backups are disabled for this cluster).</p>
        snapshot_window: <p>The daily time range (in UTC) during which ElastiCache begins taking a daily snapshot of your node group (shard).</p> <p>Example: <code>05:00-09:00</code> </p> <p>If you do not specify this parameter, ElastiCache automatically chooses an appropriate time range.</p>
        auth_token: <p> <b>Reserved parameter.</b> The password used to access a password protected server.</p> <p> <code>AuthToken</code> can be specified only on replication groups where <code>TransitEncryptionEnabled</code> is <code>true</code>.</p> <important> <p>For HIPAA compliance, you must specify <code>TransitEncryptionEnabled</code> as <code>true</code>, an <code>AuthToken</code>, and a <code>CacheSubnetGroup</code>.</p> </important> <p>Password constraints:</p> <ul> <li> <p>Must be only printable ASCII characters.</p> </li> <li> <p>Must be at least 16 characters and no more than 128 characters in length.</p> </li> <li> <p>The only permitted printable special characters are !, &, #, $, ^, <, >, and -. Other printable special characters cannot be used in the AUTH token.</p> </li> </ul> <p>For more information, see <a href="http://redis.io/commands/AUTH">AUTH password</a> at http://redis.io/commands/AUTH.</p>
        transit_encryption_enabled: <p>A flag that enables in-transit encryption when set to <code>true</code>.</p> <p>This parameter is valid only if the <code>Engine</code> parameter is <code>redis</code>, the <code>EngineVersion</code> parameter is <code>3.2.6</code>, <code>4.x</code> or later, and the cluster is being created in an Amazon VPC.</p> <p>If you enable in-transit encryption, you must also specify a value for <code>CacheSubnetGroup</code>.</p> <p> <b>Required:</b> Only available when creating a replication group in an Amazon VPC using Redis OSS version <code>3.2.6</code>, <code>4.x</code> or later.</p> <p>Default: <code>false</code> </p> <important> <p>For HIPAA compliance, you must specify <code>TransitEncryptionEnabled</code> as <code>true</code>, an <code>AuthToken</code>, and a <code>CacheSubnetGroup</code>.</p> </important>
        at_rest_encryption_enabled: <p>A flag that enables encryption at-rest on the replication group when set to <code>true</code>. In some cases, encryption at-rest may be enabled even when this value is false. Use <code>StorageEncryptionType</code> to view the effective encryption state of a cluster.</p> <p>You cannot modify the value of <code>AtRestEncryptionEnabled</code> after the replication group is created.</p> <p>Default: <code>true</code> when using Valkey, <code>false</code> when using Redis OSS</p>
        kms_key_id: <p>The ID of the KMS key used to encrypt the disk in the cluster.</p>
        user_group_ids: <p>The user group to associate with the replication group.</p>
        log_delivery_configurations: <p>Specifies the destination, format and type of the logs.</p>
        data_tiering_enabled: <p>Enables data tiering. Data tiering is only supported for replication groups using the r6gd node type. This parameter must be set to true when using r6gd nodes. For more information, see <a href="https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/data-tiering.html">Data tiering</a>.</p>
        network_type: <p>Must be either <code>ipv4</code> | <code>ipv6</code> | <code>dual_stack</code>. IPv6 is supported for workloads using Valkey 7.2 and above, Redis OSS engine version 6.2 to 7.1 and Memcached engine version 1.6.6 and above on all instances built on the <a href="http://aws.amazon.com/ec2/nitro/">Nitro system</a>.</p>
        ip_discovery: <p>The network type you choose when creating a replication group, either <code>ipv4</code> | <code>ipv6</code>. IPv6 is supported for workloads using Valkey 7.2 and above, Redis OSS engine version 6.2 to 7.1 or Memcached engine version 1.6.6 and above on all instances built on the <a href="http://aws.amazon.com/ec2/nitro/">Nitro system</a>.</p>
        transit_encryption_mode: <p>A setting that allows you to migrate your clients to use in-transit encryption, with no downtime.</p> <p>When setting <code>TransitEncryptionEnabled</code> to <code>true</code>, you can set your <code>TransitEncryptionMode</code> to <code>preferred</code> in the same request, to allow both encrypted and unencrypted connections at the same time. Once you migrate all your Valkey or Redis OSS clients to use encrypted connections you can modify the value to <code>required</code> to allow encrypted connections only.</p> <p>Setting <code>TransitEncryptionMode</code> to <code>required</code> is a two-step process that requires you to first set the <code>TransitEncryptionMode</code> to <code>preferred</code>, after that you can set <code>TransitEncryptionMode</code> to <code>required</code>.</p> <p>This process will not trigger the replacement of the replication group.</p>
        cluster_mode: <p>Enabled or Disabled. To modify cluster mode from Disabled to Enabled, you must first set the cluster mode to Compatible. Compatible mode allows your Valkey or Redis OSS clients to connect using both cluster mode enabled and cluster mode disabled. After you migrate all Valkey or Redis OSS clients to use cluster mode enabled, you can then complete cluster mode configuration and set the cluster mode to Enabled.</p>
        serverless_cache_snapshot_name: <p>The name of the snapshot used to create a replication group. Available for Valkey, Redis OSS only.</p>
        durability: <p>Specifies the durability setting for the replication group. When set to <code>default</code>, the service determines the effective durability based on the engine version, cluster mode, and other parameters. The resolved setting is reflected in the <code>EffectiveDurability</code> property of the replication group. For more information, see <a href="https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/durability.html">Durability</a>.</p>

    Raises:
        capo_elasticache.errors.cache_cluster_not_found_fault.CacheClusterNotFoundFault: <p>The requested cluster ID does not refer to an existing cluster.</p>
        capo_elasticache.errors.cache_parameter_group_not_found_fault.CacheParameterGroupNotFoundFault: <p>The requested cache parameter group name does not refer to an existing cache parameter group.</p>
        capo_elasticache.errors.cache_security_group_not_found_fault.CacheSecurityGroupNotFoundFault: <p>The requested cache security group name does not refer to an existing cache security group.</p>
        capo_elasticache.errors.cache_subnet_group_not_found_fault.CacheSubnetGroupNotFoundFault: <p>The requested cache subnet group name does not refer to an existing cache subnet group.</p>
        capo_elasticache.errors.cluster_quota_for_customer_exceeded_fault.ClusterQuotaForCustomerExceededFault: <p>The request cannot be processed because it would exceed the allowed number of clusters per customer.</p>
        capo_elasticache.errors.global_replication_group_not_found_fault.GlobalReplicationGroupNotFoundFault: <p>The Global datastore does not exist</p>
        capo_elasticache.errors.insufficient_cache_cluster_capacity_fault.InsufficientCacheClusterCapacityFault: <p>The requested cache node type is not available in the specified Availability Zone. For more information, see <a href="http://docs.aws.amazon.com/AmazonElastiCache/latest/dg/ErrorMessages.html#ErrorMessages.INSUFFICIENT_CACHE_CLUSTER_CAPACITY">InsufficientCacheClusterCapacity</a> in the ElastiCache User Guide.</p>
        capo_elasticache.errors.invalid_cache_cluster_state_fault.InvalidCacheClusterStateFault: <p>The requested cluster is not in the <code>available</code> state.</p>
        capo_elasticache.errors.invalid_global_replication_group_state_fault.InvalidGlobalReplicationGroupStateFault: <p>The Global datastore is not available or in primary-only state.</p>
        capo_elasticache.errors.invalid_parameter_combination_exception.InvalidParameterCombinationException: <p>Two or more incompatible parameters were specified.</p>
        capo_elasticache.errors.invalid_parameter_value_exception.InvalidParameterValueException: <p>The value for a parameter is invalid.</p>
        capo_elasticache.errors.invalid_user_group_state_fault.InvalidUserGroupStateFault: <p>The user group is not in an active state.</p>
        capo_elasticache.errors.invalid_vpc_network_state_fault.InvalidVPCNetworkStateFault: <p>The VPC network is in an invalid state.</p>
        capo_elasticache.errors.node_groups_per_replication_group_quota_exceeded_fault.NodeGroupsPerReplicationGroupQuotaExceededFault: <p>The request cannot be processed because it would exceed the maximum allowed number of node groups (shards) in a single replication group. The default maximum is 90</p>
        capo_elasticache.errors.node_quota_for_cluster_exceeded_fault.NodeQuotaForClusterExceededFault: <p>The request cannot be processed because it would exceed the allowed number of cache nodes in a single cluster.</p>
        capo_elasticache.errors.node_quota_for_customer_exceeded_fault.NodeQuotaForCustomerExceededFault: <p>The request cannot be processed because it would exceed the allowed number of cache nodes per customer.</p>
        capo_elasticache.errors.replication_group_already_exists_fault.ReplicationGroupAlreadyExistsFault: <p>The specified replication group already exists.</p>
        capo_elasticache.errors.tag_quota_per_resource_exceeded.TagQuotaPerResourceExceeded: <p>The request cannot be processed because it would cause the resource to have more than the allowed number of tags. The maximum number of tags permitted on a resource is 50.</p>
        capo_elasticache.errors.user_group_not_found_fault.UserGroupNotFoundFault: <p>The user group was not found or does not exist</p>
        capo_elasticache.errors.UnknownServiceError: The service returned an error code this client does not model.

    Examples:
        CreateCacheReplicationGroup
        Creates a Redis replication group with 3 nodes.

        >>> client.create_replication_group(replication_group_id='my-redis-rg', replication_group_description='A Redis replication group.', automatic_failover_enabled=True, num_cache_clusters=3, cache_node_type='cache.m3.medium', engine='redis', engine_version='2.8.24', snapshot_retention_limit=30)
        CreateReplicationGroup
        Creates a Redis (cluster mode enabled) replication group with two shards. One shard has one read replica node and the other shard has two read replicas.

        >>> client.create_replication_group(replication_group_id='clustered-redis-rg', replication_group_description='A multi-sharded replication group', num_node_groups=2, node_group_configuration=[{'Slots': '0-8999', 'PrimaryAvailabilityZone': 'us-east-1c', 'ReplicaCount': 1, 'ReplicaAvailabilityZones': ['us-east-1b']}, {'Slots': '9000-16383', 'PrimaryAvailabilityZone': 'us-east-1a', 'ReplicaCount': 2, 'ReplicaAvailabilityZones': ['us-east-1a', 'us-east-1c']}], cache_node_type='cache.m3.medium', engine='redis', engine_version='3.2.4', cache_parameter_group_name='default.redis3.2.cluster.on', auto_minor_version_upgrade=True, snapshot_retention_limit=8)
    """

    def _handler(
        req: "OperationRequest[capo_elasticache.types.create_replication_group_message.CreateReplicationGroupMessage]",
    ) -> OperationResponse[
        "capo_elasticache.types.create_replication_group_result.CreateReplicationGroupResult"
    ]:
        import capo_elasticache._operations.amazon_elasti_cache_v9.create_replication_group

        output, http_response = (
            capo_elasticache._operations.amazon_elasti_cache_v9.create_replication_group.create_replication_group(
                req.options, req.input
            )
        )
        return OperationResponse(output=output, response=http_response)

    interceptors_, options_ = self.operation_options(
        config_overrides, OperationLogging("CreateReplicationGroup")
    )
    input_: capo_elasticache.types.create_replication_group_message.CreateReplicationGroupMessage = {}
    if replication_group_id is not None:
        input_["replication_group_id"] = replication_group_id
    if replication_group_description is not None:
        input_["replication_group_description"] = replication_group_description
    if global_replication_group_id is not None:
        input_["global_replication_group_id"] = global_replication_group_id
    if primary_cluster_id is not None:
        input_["primary_cluster_id"] = primary_cluster_id
    if automatic_failover_enabled is not None:
        input_["automatic_failover_enabled"] = automatic_failover_enabled
    if multi_az_enabled is not None:
        input_["multi_az_enabled"] = multi_az_enabled
    if num_cache_clusters is not None:
        input_["num_cache_clusters"] = num_cache_clusters
    if preferred_cache_cluster_a_zs is not None:
        input_["preferred_cache_cluster_a_zs"] = preferred_cache_cluster_a_zs
    if num_node_groups is not None:
        input_["num_node_groups"] = num_node_groups
    if replicas_per_node_group is not None:
        input_["replicas_per_node_group"] = replicas_per_node_group
    if node_group_configuration is not None:
        input_["node_group_configuration"] = node_group_configuration
    if cache_node_type is not None:
        input_["cache_node_type"] = cache_node_type
    if engine is not None:
        input_["engine"] = engine
    if engine_version is not None:
        input_["engine_version"] = engine_version
    if cache_parameter_group_name is not None:
        input_["cache_parameter_group_name"] = cache_parameter_group_name
    if cache_subnet_group_name is not None:
        input_["cache_subnet_group_name"] = cache_subnet_group_name
    if cache_security_group_names is not None:
        input_["cache_security_group_names"] = cache_security_group_names
    if security_group_ids is not None:
        input_["security_group_ids"] = security_group_ids
    if tags is not None:
        input_["tags"] = tags
    if snapshot_arns is not None:
        input_["snapshot_arns"] = snapshot_arns
    if snapshot_name is not None:
        input_["snapshot_name"] = snapshot_name
    if preferred_maintenance_window is not None:
        input_["preferred_maintenance_window"] = preferred_maintenance_window
    if port is not None:
        input_["port"] = port
    if notification_topic_arn is not None:
        input_["notification_topic_arn"] = notification_topic_arn
    if auto_minor_version_upgrade is not None:
        input_["auto_minor_version_upgrade"] = auto_minor_version_upgrade
    if snapshot_retention_limit is not None:
        input_["snapshot_retention_limit"] = snapshot_retention_limit
    if snapshot_window is not None:
        input_["snapshot_window"] = snapshot_window
    if auth_token is not None:
        input_["auth_token"] = auth_token
    if transit_encryption_enabled is not None:
        input_["transit_encryption_enabled"] = transit_encryption_enabled
    if at_rest_encryption_enabled is not None:
        input_["at_rest_encryption_enabled"] = at_rest_encryption_enabled
    if kms_key_id is not None:
        input_["kms_key_id"] = kms_key_id
    if user_group_ids is not None:
        input_["user_group_ids"] = user_group_ids
    if log_delivery_configurations is not None:
        input_["log_delivery_configurations"] = log_delivery_configurations
    if data_tiering_enabled is not None:
        input_["data_tiering_enabled"] = data_tiering_enabled
    if network_type is not None:
        input_["network_type"] = network_type
    if ip_discovery is not None:
        input_["ip_discovery"] = ip_discovery
    if transit_encryption_mode is not None:
        input_["transit_encryption_mode"] = transit_encryption_mode
    if cluster_mode is not None:
        input_["cluster_mode"] = cluster_mode
    if serverless_cache_snapshot_name is not None:
        input_["serverless_cache_snapshot_name"] = serverless_cache_snapshot_name
    if durability is not None:
        input_["durability"] = durability

    response = execute_pipeline(
        OperationRequest(input=input_, options=options_),
        handler=_handler,
        interceptors=list(interceptors_),
    )
    response.response.close()
    return response.output