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test_out_opensearch_data_stream.rb
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test_out_opensearch_data_stream.rb
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require_relative '../helper'
require 'date'
require 'fluent/test/helpers'
require 'fluent/test/driver/output'
require 'flexmock/test_unit'
require 'fluent/plugin/out_opensearch_data_stream'
class OpenSearchOutputDataStreamTest < Test::Unit::TestCase
include FlexMock::TestCase
include Fluent::Test::Helpers
attr_accessor :bulk_records, :index_cmds
OPENSEARCH_DATA_STREAM_TYPE = "opensearch_data_stream"
def setup
Fluent::Test.setup
@driver = nil
log = Fluent::Engine.log
log.out.logs.slice!(0, log.out.logs.length)
@bulk_records = 0
end
def driver(conf='', os_version=1, client_version="\"1.0\"")
# For request stub to detect compatibility.
@os_version ||= os_version
@client_version ||= client_version
Fluent::Plugin::OpenSearchOutputDataStream.module_eval(<<-CODE)
def detect_os_major_version
#{@os_version}
end
CODE
@driver ||= Fluent::Test::Driver::Output.new(Fluent::Plugin::OpenSearchOutputDataStream) {
# v0.12's test driver assume format definition. This simulates ObjectBufferedOutput format
if !defined?(Fluent::Plugin::Output)
def format(tag, time, record)
[time, record].to_msgpack
end
end
}.configure(conf)
end
def sample_data_stream
{
'data_streams': [
{
'name' => 'foo',
'timestamp_field' => {
'name' => '@timestamp'
}
}
]
}
end
def sample_record
{'@timestamp' => Time.now.iso8601, 'message' => 'Sample record'}
end
RESPONSE_ACKNOWLEDGED = {"acknowledged": true}
DUPLICATED_DATA_STREAM_EXCEPTION = {"error": {}, "status": 400}
NONEXISTENT_DATA_STREAM_EXCEPTION = {"error": {}, "status": 404}
def stub_index_template(name="foo_tpl", url="http://localhost:9200")
stub_request(:put, "#{url}/_index_template/#{name}").to_return(:status => [200, RESPONSE_ACKNOWLEDGED])
end
def stub_data_stream(name="foo", url="localhost:9200")
stub_request(:put, "#{url}/_data_stream/#{name}").to_return(:status => [200, RESPONSE_ACKNOWLEDGED])
end
def stub_existent_data_stream?(name="foo", url="localhost:9200")
stub_request(:get, "#{url}/_data_stream/#{name}").to_return(:status => [200, RESPONSE_ACKNOWLEDGED])
end
def stub_existent_template?(name="foo_tpl", url="localhost:9200")
stub_request(:get, "#{url}/_index_template/#{name}").to_return(:status => [200, RESPONSE_ACKNOWLEDGED])
end
def stub_nonexistent_data_stream?(name="foo", url="localhost:9200")
stub_request(:get, "#{url}/_data_stream/#{name}").to_return(:status => [404, OpenSearch::Transport::Transport::Errors::NotFound])
end
def stub_nonexistent_template?(name="foo_tpl", url="http://localhost:9200")
stub_request(:get, "#{url}/_index_template/#{name}").to_return(:status => [404, OpenSearch::Transport::Transport::Errors::NotFound])
end
def stub_nonexistent_template_retry?(name="foo_tpl", url="http://localhost:9200")
stub_request(:get, "#{url}/_index_template/#{name}").
to_return({ status: 500, body: 'Internal Server Error' }, { status: 404, body: '{}' })
end
def stub_bulk_feed(datastream_name="foo", template_name="foo_tpl", url="http://localhost:9200")
stub_request(:post, "#{url}/#{datastream_name}/_bulk").with do |req|
# bulk data must be pair of OP and records
# {"create": {}}\nhttp://localhost:9200/_data_stream/foo_bar
# {"@timestamp": ...}
@bulk_records += req.body.split("\n").size / 2
@index_cmds = req.body.split("\n").map {|r| JSON.parse(r) }
end
stub_request(:post, "http://#{url}#{template_name}/_bulk").with do |req|
# bulk data must be pair of OP and records
# {"create": {}}\nhttp://localhost:9200/_data_stream/foo_bar
# {"@timestamp": ...}
@bulk_records += req.body.split("\n").size / 2
@index_cmds = req.body.split("\n").map {|r| JSON.parse(r) }
end
end
def stub_opensearch_info(url="http://localhost:9200/", version="1.2.2", headers={})
body ="{\"version\":{\"number\":\"#{version}\", \"distribution\":\"opensearch\"},\"tagline\":\"The OpenSearch Project: https://opensearch.org/\"}"
stub_request(:get, url).to_return({:status => 200, :body => body, :headers => { 'Content-Type' => 'json' }.merge(headers) })
end
def stub_default(datastream_name="foo", template_name="foo_tpl", host="http://localhost:9200")
stub_opensearch_info(host)
stub_nonexistent_template?(template_name)
stub_index_template(template_name)
stub_nonexistent_data_stream?(datastream_name)
stub_data_stream(datastream_name)
end
def stub_opensearch_with_store_index_command_counts(url="http://localhost:9200/_bulk")
if @index_command_counts == nil
@index_command_counts = {}
@index_command_counts.default = 0
end
stub_request(:post, url).with do |req|
index_cmds = req.body.split("\n").map {|r| JSON.parse(r) }
@index_command_counts[url] += index_cmds.size
end
end
# ref. https://opensearch.org/docs/latest/opensearch/data-streams/
class DataStreamNameTest < self
def test_missing_data_stream_name
conf = config_element(
'ROOT', '', {
'@type' => 'opensearch_datastream'
})
assert_raise Fluent::ConfigError.new("'data_stream_name' parameter is required") do
driver(conf).run
end
end
sub_test_case "invalid uppercase" do
def test_stream_name
conf = config_element(
'ROOT', '', {
'@type' => 'opensearch_datastream',
'data_stream_name' => 'TEST',
'data_stream_template_name' => 'template'
})
assert_raise Fluent::ConfigError.new("'data_stream_name' must be lowercase only: <TEST>") do
driver(conf)
end
end
def test_stream_template_name
conf = config_element(
'ROOT', '', {
'@type' => 'opensearch_datastream',
'data_stream_name' => 'default',
'data_stream_template_name' => 'TEST-TPL'
})
assert_raise Fluent::ConfigError.new("'data_stream_template_name' must be lowercase only: <TEST-TPL>") do
driver(conf)
end
end
end
sub_test_case "invalid parameters" do
data("backslash" => "\\",
"slash" => "/",
"asterisk" => "*",
"question" => "?",
"doublequote" => "\"",
"lt" => "<",
"gt" => ">",
"bar" => "|",
"space" => " ",
"comma" => ",",
"sharp" => "#",
"colon" => ":")
def test_stream_name(data)
c, _ = data
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => "TEST#{c}",
'data_stream_template_name' => "data_stream"
})
label = Fluent::Plugin::OpenSearchOutputDataStream::INVALID_CHARACTERS.join(',')
assert_raise Fluent::ConfigError.new("'data_stream_name' must not contain invalid characters #{label}: <TEST#{c}>") do
driver(conf)
end
end
data("backslash" => "\\",
"slash" => "/",
"asterisk" => "*",
"question" => "?",
"doublequote" => "\"",
"lt" => "<",
"gt" => ">",
"bar" => "|",
"space" => " ",
"comma" => ",",
"sharp" => "#",
"colon" => ":")
def test_stream_template_name(data)
c, _ = data
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => "default",
'data_stream_template_name' => "TEST#{c}"
})
label = Fluent::Plugin::OpenSearchOutputDataStream::INVALID_CHARACTERS.join(',')
assert_raise Fluent::ConfigError.new("'data_stream_template_name' must not contain invalid characters #{label}: <TEST#{c}>") do
driver(conf)
end
end
end
sub_test_case "invalid start characters" do
data("hyphen" => "-",
"underscore" => "_",
"plus" => "+",
"period" => ".")
def test_stream_name(data)
c, _ = data
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => "#{c}TEST",
'data_stream_template_name' => "template"
})
label = Fluent::Plugin::OpenSearchOutputDataStream::INVALID_START_CHRACTERS.join(',')
assert_raise Fluent::ConfigError.new("'data_stream_name' must not start with #{label}: <#{c}TEST>") do
driver(conf)
end
end
data("hyphen" => "-",
"underscore" => "_",
"plus" => "+",
"period" => ".")
def test_stream_template_name(data)
c, _ = data
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => "default",
'data_stream_template_name' => "#{c}TEST"
})
label = Fluent::Plugin::OpenSearchOutputDataStream::INVALID_START_CHRACTERS.join(',')
assert_raise Fluent::ConfigError.new("'data_stream_template_name' must not start with #{label}: <#{c}TEST>") do
driver(conf)
end
end
end
sub_test_case "invalid dots" do
data("current" => ".",
"parents" => "..")
def test_stream_name
c, _ = data
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => "#{c}",
'data_stream_template_name' => "template"
})
assert_raise Fluent::ConfigError.new("'data_stream_name' must not be . or ..: <#{c}>") do
driver(conf)
end
end
data("current" => ".",
"parents" => "..")
def test_stream_template_name
c, _ = data
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => "default",
'data_stream_template_name' => "#{c}"
})
assert_raise Fluent::ConfigError.new("'data_stream_template_name' must not be . or ..: <#{c}>") do
driver(conf)
end
end
end
sub_test_case "invalid length" do
def test_stream_name
c = "a" * 256
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => "#{c}",
'data_stream_template_name' => "template"
})
assert_raise Fluent::ConfigError.new("'data_stream_name' must not be longer than 255 bytes: <#{c}>") do
driver(conf)
end
end
def test_stream_template_name
c = "a" * 256
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => "default",
'data_stream_template_name' => "#{c}"
})
assert_raise Fluent::ConfigError.new("'data_stream_template_name' must not be longer than 255 bytes: <#{c}>") do
driver(conf)
end
end
end
end
def test_datastream_configure
stub_default
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
'data_stream_template_name' => "foo_tpl"
})
assert_equal "foo", driver(conf).instance.data_stream_name
end
def test_hosts_list_configure
config = %{
hosts https://john:password@host1:443/elastic/,http://host2
path /default_path
user default_user
password default_password
data_stream_name default
}
stub_opensearch_info("https://host1:443/elastic//", "1.2.2",
{'Authorization'=>"Basic #{Base64.encode64('john:password').split.first}"})
stub_opensearch_info("http://host2/default_path/_data_stream/default", "1.2.2",
{'Authorization'=>"Basic #{Base64.encode64('john:password').split.first}"})
stub_existent_data_stream?("default", "https://host1/elastic/")
instance = driver(config).instance
assert_equal 2, instance.get_connection_options[:hosts].length
host1, host2 = instance.get_connection_options[:hosts]
assert_equal 'host1', host1[:host]
assert_equal 443, host1[:port]
assert_equal 'https', host1[:scheme]
assert_equal 'john', host1[:user]
assert_equal 'password', host1[:password]
assert_equal '/elastic/', host1[:path]
assert_equal 'host2', host2[:host]
assert_equal 'http', host2[:scheme]
assert_equal 'default_user', host2[:user]
assert_equal 'default_password', host2[:password]
assert_equal '/default_path', host2[:path]
end
def test_datastream_configure_retry
stub_opensearch_info
stub_nonexistent_template_retry?
stub_index_template
stub_nonexistent_data_stream?
stub_data_stream
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
'data_stream_template_name' => "foo_tpl"
})
assert_equal "foo", driver(conf).instance.data_stream_name
end
def test_template_file
stub_default
cwd = File.dirname(__FILE__)
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
'data_stream_template_name' => "foo_tpl",
'template_file' => File.join(cwd, 'datastream_template.json')
})
assert_equal "foo", driver(conf).instance.data_stream_name
end
def test_existent_data_stream
stub_index_template
stub_existent_data_stream?
stub_data_stream
stub_opensearch_info
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
'data_stream_template_name' => "foo_tpl"
})
assert_equal "foo", driver(conf).instance.data_stream_name
end
def test_template_unset
stub_index_template
stub_existent_data_stream?
stub_data_stream
stub_opensearch_info
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
})
assert_equal "foo", driver(conf).instance.data_stream_name
assert_equal "foo_template", driver(conf).instance.data_stream_template_name
end
def test_placeholder
dsname = "foo_test"
tplname = "foo_tpl_test"
stub_default(dsname, tplname)
stub_bulk_feed(dsname, tplname)
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo_${tag}',
'data_stream_template_name' => "foo_tpl_${tag}"
})
driver(conf).run(default_tag: 'test') do
driver.feed(sample_record)
end
assert_equal 1, @bulk_records
end
def test_placeholder_params_unset
dsname = "foo_test"
tplname = "foo_test_template"
stub_default(dsname, tplname)
stub_bulk_feed(dsname, tplname)
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo_${tag}',
})
driver(conf).run(default_tag: 'test') do
driver.feed(sample_record)
end
assert_equal 1, @bulk_records
end
def test_time_placeholder
time = Time.now
dsname = "foo_#{time.strftime("%Y%m%d")}"
tplname = "foo_tpl_#{time.strftime("%Y%m%d")}"
stub_default(dsname, tplname)
stub_bulk_feed(dsname, tplname)
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo_%Y%m%d',
'data_stream_template_name' => 'foo_tpl_%Y%m%d'
}, [config_element('buffer', 'time', {
'timekey' => '1d'
}, [])]
)
driver(conf).run(default_tag: 'test') do
driver.feed(sample_record)
end
assert_equal 1, @bulk_records
end
def test_custom_record_placeholder
keys = ["bar", "baz"]
keys.each do |key|
dsname = "foo_#{key}"
tplname = "foo_tpl_#{key}"
stub_default(dsname, tplname)
stub_bulk_feed(dsname, tplname)
end
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo_${key1}',
'data_stream_template_name' => 'foo_tpl_${key1}'
}, [config_element('buffer', 'tag,key1', {
'timekey' => '1d'
}, [])]
)
driver(conf).run(default_tag: 'test') do
keys.each do |key|
record = sample_record.merge({"key1" => key})
driver.feed(record)
end
end
assert_equal keys.count, @bulk_records
end
def test_bulk_insert_feed
stub_default
stub_bulk_feed
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
'data_stream_template_name' => 'foo_tpl'
})
driver(conf).run(default_tag: 'test') do
driver.feed(sample_record)
end
assert_equal 1, @bulk_records
end
def test_placeholder_writes_to_multi_hosts
stub_default("foo_bar", "foo_tpl_bar")
hosts = [['192.168.33.50', 9201], ['192.168.33.51', 9201], ['192.168.33.52', 9201]]
hosts_string = hosts.map {|x| "#{x[0]}:#{x[1]}"}.compact.join(',')
hosts.each do |host_info|
host, port = host_info
stub_opensearch_with_store_index_command_counts("http://#{host}:#{port}/foo_bar/_bulk")
stub_opensearch_info("http://#{host}:#{port}/")
stub_request(:get, "http://#{host}:#{port}/_data_stream/foo_bar").
to_return(status: 200, body: "", headers: {})
end
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo_${key1}',
'data_stream_template_name' => 'foo_tpl_${key1}',
'hosts' => "#{hosts_string}"
}, [config_element('buffer', 'tag,key1', {
'timekey' => '1d'
}, [])])
driver(conf).run(default_tag: 'test') do
hashes = {
'age' => rand(100),
'key1' => 'bar'
}
1000.times do
driver.feed(sample_record.merge(hashes))
end
end
# @note: we cannot make multi chunks with options (flush_interval, buffer_chunk_limit)
# it's Fluentd test driver's constraint
# so @index_command_counts.size is always 1
assert(@index_command_counts.size > 0, "not working with hosts options")
total = 0
@index_command_counts.each do |_, count|
total += count
end
assert_equal(2000, total)
end
def test_template_retry_install_fails
cwd = File.dirname(__FILE__)
template_file = File.join(cwd, 'test_index_template.json')
config = %{
host logs.google.com
port 778
scheme https
data_stream_name foo
data_stream_template_name foo_tpl
user john
password doe
template_name logstash
template_file #{template_file}
max_retry_putting_template 3
}
connection_resets = 0
# check if template exists
stub_request(:get, "https://logs.google.com:778/_index_template/logstash")
.with(basic_auth: ['john', 'doe']) do |req|
connection_resets += 1
raise Faraday::ConnectionFailed, "Test message"
end
stub_opensearch_info("https://logs.google.com:778/")
assert_raise(Fluent::Plugin::OpenSearchError::RetryableOperationExhaustedFailure) do
driver(config)
end
assert_equal(4, connection_resets)
end
def test_uses_custom_time_key
stub_default
stub_bulk_feed
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
'data_stream_template_name' => 'foo_tpl',
'time_key' => 'vtm'
})
ts = DateTime.new(2021,2,3).iso8601(9)
record = {
'vtm' => ts,
'message' => 'Sample Record'
}
driver(conf).run(default_tag: 'test') do
driver.feed(record)
end
assert(index_cmds[1].has_key? '@timestamp')
assert_equal(ts, index_cmds[1]['@timestamp'])
end
def test_uses_custom_time_key_with_format
stub_default
stub_bulk_feed
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
'data_stream_template_name' => 'foo_tpl',
'time_key' => 'vtm',
'time_key_format' => '%Y-%m-%d %H:%M:%S.%N%z'
})
ts = "2021-02-03 13:14:01.673+02:00"
record = {
'vtm' => ts,
'message' => 'Sample Record'
}
driver(conf).run(default_tag: 'test') do
driver.feed(record)
end
assert(index_cmds[1].has_key? '@timestamp')
assert_equal(DateTime.parse(ts).iso8601(9), index_cmds[1]['@timestamp'])
end
def test_record_no_timestamp
stub_default
stub_bulk_feed
stub_default
stub_bulk_feed
conf = config_element(
'ROOT', '', {
'@type' => OPENSEARCH_DATA_STREAM_TYPE,
'data_stream_name' => 'foo',
'data_stream_template_name' => 'foo_tpl'
})
record = {
'message' => 'Sample Record'
}
driver(conf).run(default_tag: 'test') do
driver.feed(record)
end
assert(index_cmds[1].has_key? '@timestamp')
end
end