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Merge pull request #487 from Argonus/kayrock-describe-groups
[Kayrock] Add describe consumer groups endpoint as kayrock
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version: '3.9' | ||
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services: | ||
zookeeper: | ||
image: confluentinc/cp-zookeeper:7.0.4.arm64 | ||
restart: unless-stopped | ||
ports: | ||
- '32181:32181' | ||
environment: | ||
ZOOKEEPER_CLIENT_PORT: 32181 | ||
ZOOKEEPER_TICK_TIME: 2000 | ||
healthcheck: | ||
test: "zookeeper-shell 127.0.01:32181 ls /" | ||
interval: 10s | ||
timeout: 10s | ||
retries: 5 | ||
|
||
kafka-1: | ||
image: confluentinc/cp-kafka:7.0.4.arm64 | ||
ports: | ||
- '9092:9092' | ||
depends_on: | ||
zookeeper: | ||
condition: service_healthy | ||
env_file: docker-compose-kafka.env | ||
environment: | ||
KAFKA_BROKER_ID: 1 | ||
KAFKA_ZOOKEEPER_CONNECT: zookeeper:32181 | ||
KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-1:29092,EXTERNAL://localhost:9092 | ||
healthcheck: | ||
test: kafka-topics --bootstrap-server kafka-1:29092 --list | ||
interval: 30s | ||
timeout: 10s | ||
retries: 4 | ||
volumes: | ||
- ./ssl/kafka.server.keystore.jks:/etc/kafka/secrets/kafka.server.keystore.jks:ro,z | ||
- ./ssl/kafka.server.truststore.jks:/etc/kafka/secrets/kafka.server.truststore.jks:ro,z | ||
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||
kafka-2: | ||
image: confluentinc/cp-kafka:7.0.4.arm64 | ||
ports: | ||
- '9093:9093' | ||
depends_on: | ||
zookeeper: | ||
condition: service_healthy | ||
env_file: docker-compose-kafka.env | ||
environment: | ||
KAFKA_BROKER_ID: 2 | ||
KAFKA_ZOOKEEPER_CONNECT: zookeeper:32181 | ||
KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-2:29093,EXTERNAL://localhost:9093 | ||
healthcheck: | ||
test: kafka-topics --bootstrap-server kafka-2:29093 --list | ||
interval: 30s | ||
timeout: 10s | ||
retries: 4 | ||
volumes: | ||
- ./ssl/kafka.server.keystore.jks:/etc/kafka/secrets/kafka.server.keystore.jks:ro,z | ||
- ./ssl/kafka.server.truststore.jks:/etc/kafka/secrets/kafka.server.truststore.jks:ro,z | ||
|
||
kafka-3: | ||
image: confluentinc/cp-kafka:7.0.4.arm64 | ||
ports: | ||
- '9094:9094' | ||
depends_on: | ||
zookeeper: | ||
condition: service_healthy | ||
env_file: docker-compose-kafka.env | ||
environment: | ||
KAFKA_BROKER_ID: 3 | ||
KAFKA_ZOOKEEPER_CONNECT: zookeeper:32181 | ||
KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-3:29094,EXTERNAL://localhost:9094 | ||
healthcheck: | ||
test: kafka-topics --bootstrap-server kafka-2:29093 --list | ||
interval: 30s | ||
timeout: 10s | ||
retries: 4 | ||
volumes: | ||
- ./ssl/kafka.server.keystore.jks:/etc/kafka/secrets/kafka.server.keystore.jks:ro,z | ||
- ./ssl/kafka.server.truststore.jks:/etc/kafka/secrets/kafka.server.truststore.jks:ro,z | ||
|
||
kafka_setup: | ||
image: confluentinc/cp-kafka:7.0.4.arm64 | ||
depends_on: | ||
zookeeper: | ||
condition: service_healthy | ||
kafka-1: | ||
condition: service_healthy | ||
kafka-2: | ||
condition: service_healthy | ||
kafka-3: | ||
condition: service_healthy | ||
command: "bash -c 'kafka-topics --zookeeper zookeeper:32181 --create --if-not-exists --partitions 4 --replication-factor 2 --topic consumer_group_implementation_test && \ | ||
kafka-topics --zookeeper zookeeper:32181 --create --if-not-exists --partitions 4 --replication-factor 2 --topic test0p8p0 && \ | ||
kafka-topics --zookeeper zookeeper:32181 --list'" |
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defmodule KafkaEx.New.Client.RequestBuilder do | ||
@moduledoc """ | ||
This module is used to build request for KafkaEx.New.Client. | ||
It's main decision point which protocol to use for building request and what | ||
is required version. | ||
""" | ||
@protocol Application.compile_env( | ||
:kafka_ex, | ||
:protocol, | ||
KafkaEx.New.Protocols.KayrockProtocol | ||
) | ||
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@default_api_version %{ | ||
describe_groups: 1 | ||
} | ||
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alias KafkaEx.New.Client.State | ||
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@doc """ | ||
Builds request for Describe Groups API | ||
""" | ||
@spec describe_groups_request([binary], State.t()) :: term | ||
def describe_groups_request(group_names, state) do | ||
api_version = get_api_version(state, :describe_groups) | ||
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@protocol.build_request(:describe_groups, api_version, group_names: group_names) | ||
end | ||
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# ----------------------------------------------------------------------------- | ||
defp get_api_version(state, request_type) do | ||
default = Map.fetch!(@default_api_version, request_type) | ||
State.max_supported_api_version(state, request_type, default) | ||
end | ||
end |
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defmodule KafkaEx.New.Client.ResponseParser do | ||
@moduledoc """ | ||
This module is used to parse response from KafkaEx.New.Client. | ||
It's main decision point which protocol to use for parsing response | ||
""" | ||
alias KafkaEx.New.Structs.ConsumerGroup | ||
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@protocol Application.compile_env( | ||
:kafka_ex, | ||
:protocol, | ||
KafkaEx.New.Protocols.KayrockProtocol | ||
) | ||
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@doc """ | ||
Parses response for Describe Groups API | ||
""" | ||
@spec describe_groups_response(term) :: | ||
{:ok, [ConsumerGroup.t()]} | {:error, term} | ||
def describe_groups_response(response) do | ||
@protocol.parse_response(:describe_groups, response) | ||
end | ||
end |
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Original file line number | Diff line number | Diff line change |
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defprotocol KafkaEx.New.Protocols.Kayrock.DescribeGroups do | ||
@moduledoc """ | ||
This module handles Describe Groups request & response parsing. | ||
Request is built using Kayrock protocol, response is parsed to | ||
native KafkaEx structs. | ||
""" | ||
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defprotocol Request do | ||
@moduledoc """ | ||
This protocol is used to build Describe Groups request | ||
""" | ||
@spec build_request(t(), [binary]) :: t() | ||
def build_request(request, consumer_group_names) | ||
end | ||
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defprotocol Response do | ||
@moduledoc """ | ||
This protocol is used to parse Describe Groups response | ||
""" | ||
alias KafkaEx.New.Structs.ConsumerGroup | ||
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@spec parse_response(t()) :: {:ok, [ConsumerGroup.t()]} | {:error, term} | ||
def parse_response(response) | ||
end | ||
end |
6 changes: 6 additions & 0 deletions
6
lib/kafka_ex/new/protocols/kayrock/describe_groups/default_request_impl.ex
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defimpl KafkaEx.New.Protocols.Kayrock.DescribeGroups.Request, | ||
for: [Kayrock.DescribeGroups.V0.Request, Kayrock.DescribeGroups.V1.Request] do | ||
def build_request(request_template, consumer_group_names) do | ||
Map.put(request_template, :group_ids, consumer_group_names) | ||
end | ||
end |
22 changes: 22 additions & 0 deletions
22
lib/kafka_ex/new/protocols/kayrock/describe_groups/default_response_impl.ex
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defimpl KafkaEx.New.Protocols.Kayrock.DescribeGroups.Response, | ||
for: [Kayrock.DescribeGroups.V0.Response, Kayrock.DescribeGroups.V1.Response] do | ||
def parse_response(%{groups: groups}) do | ||
case Enum.filter(groups, &(&1.error_code != 0)) do | ||
[] -> | ||
groups = Enum.map(groups, &build_consumer_group/1) | ||
{:ok, groups} | ||
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errors -> | ||
error_list = | ||
Enum.map(errors, fn %{group_id: group_id, error_code: error_code} -> | ||
{group_id, Kayrock.ErrorCode.code_to_atom!(error_code)} | ||
end) | ||
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{:error, error_list} | ||
end | ||
end | ||
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defp build_consumer_group(kayrock_group) do | ||
KafkaEx.New.Structs.ConsumerGroup.from_describe_group_response(kayrock_group) | ||
end | ||
end |
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