Gateway Property Config

This paper mainly explains how to configure Apache ShenYu properties on the gateway side.

Property Config

shenyu:  netty:    tcp:      webServerFactoryEnabled: true      selectCount: 1      workerCount: 4      serverSocketChannel:        soRcvBuf: 87380        soBackLog: 128        soReuseAddr: true        connectTimeoutMillis: 30000        writeBufferHighWaterMark: 65536        writeBufferLowWaterMark: 32768        writeSpinCount: 16        autoRead: false        allocType: "pooled"      socketChannel:        soKeepAlive: false        soReuseAddr: true        soLinger: -1        tcpNoDelay: true        soRcvBuf: 87380        soSndBuf: 16384        ipTos: 0        allowHalfClosure: false        connectTimeoutMillis: 30000        writeBufferHighWaterMark: 65536        writeBufferLowWaterMark: 32768        writeSpinCount: 16        autoRead: false        allocType: "pooled"  instance:    enabled: false    registerType: zookeeper #etcd #consul    serverLists: localhost:2181 #http://localhost:2379 #localhost:8848    props:#  httpclient:#    strategy: webClient#    connectTimeout: 45000#    readTimeout: 3000#    writeTimeout: 3000#    wiretap: false#    pool:#      type: ELASTIC#      name: proxy#      maxConnections: 16#      acquireTimeout: 45000#    proxy:#      host:#      port:#      username:#      password:#      nonProxyHostsPattern:#    ssl:#      useInsecureTrustManager: true#      keyStoreType: PKCS12#      keyStorePath: classpath:keystore.p12#      keyStorePassword: 123456#      keyPassword: 123456#      trustedX509Certificates:#      handshakeTimeout:#      closeNotifyFlushTimeout:#      closeNotifyReadTimeout:#      defaultConfigurationType:  sync:    websocket:      urls: ws://localhost:9095/websocket      allowOrigin: ws://localhost:9195#    zookeeper:#      url: localhost:2181#      sessionTimeout: 5000#      connectionTimeout: 2000#    http:#      url: http://localhost:9095#    nacos:#      url: localhost:8848#      namespace: 1c10d748-af86-43b9-8265-75f487d20c6c#      username:#      password:#      acm:#        enabled: false#        endpoint: acm.aliyun.com#        namespace:#        accessKey:#        secretKey:#    etcd:#      url: http://localhost:2379#    consul:#      url: http://localhost:8500#      waitTime: 1000#      watchDelay: 1000  cross:    enabled: true    allowedHeaders:    allowedMethods: "*"    allowedOrigin: "*"    allowedExpose: "*"    maxAge: "18000"    allowCredentials: true  switchConfig:    local: true  file:    enabled: true    maxSize : 10  exclude:    enabled: false    paths:      - /favicon.ico  extPlugin:    path:    enabled: true    threads: 1    scheduleTime: 300    scheduleDelay: 30  scheduler:    enabled: false    type: fixed    threads: 16  upstreamCheck:    enabled: false    timeout: 3000    healthyThreshold: 1    unhealthyThreshold: 1    interval: 5000    printEnabled: true    printInterval: 60000

Property Detail

shenyu.NettyTcpProperties config

ShenYu reactor-netty config

Name	Type	Default	Required	Description
webServerFactoryEnabled	Boolean	true	No	Whether to enable custom parameters. True-enable. False-NettyReactiveWebServerFactory Can be configured by yourself.
selectCount	Integer	1	No	Number of netty selectors.
workerCount	Integer	4	No	Number of netty workers.
ServerSocketChannelConfig
soRcvBuf	Integer	--	No	Socket config, the size of the socket receive buffer. The default value is system dependent.
soBackLog	Integer	128	No	Socket config, maximum length of the accept queue.
soReuseAddr	Boolean	true	No	Socket config, allow reuse of local addresses. The default value in reactor-netty is true.
connectTimeoutMillis	Integer	30000	No	Netty config, the connect timeout of the channel in milliseconds.
writeBufferHighWaterMark	Integer	65536	No	Netty config, the high water mark of the write buffer.
writeBufferLowWaterMark	Integer	32768	No	Netty config, the low water mark of the write buffer.
writeSpinCount	Integer	16	No	Netty config, the maximum loop count for a write operation.
autoRead	Boolean	false	No	Netty config, channel read method will be invoked automatically so that a user application doesn't need to call it at all. The default value in reactor-netty is false, and can only be false.
allocType	String	pooled	No	Netty config, set the ByteBufAllocator which is used for the channel to allocate buffers.
SocketChannelConfig
soKeepAlive	Boolean	false	No	Socket config, enable tcp keepalive.
soReuseAddr	Boolean	true	No	Socket config, allow reuse of local addresses. The default value in reactor-netty is true.
soLinger	Integer	-1	No	Socket config, the delay time for closing the socket.
tcpNoDelay	Boolean	true	No	Socket config, enable Nagle algorithm.
soRcvBuf	Integer	--	No	Socket config, the size of the socket receive buffer. The default value is system dependent.
soSndBuf	Integer	--	No	Socket config, the size of the socket send buffer. The default value is system dependent.
ipTos	Integer	0	No	IP config, the Type of Service (ToS) octet in the Internet Protocol (IP) header.
allowHalfClosure	Boolean	false	No	Netty config, Sets whether the channel should not close itself when its remote peer shuts down output to make the connection half-closed.
connectTimeoutMillis	Integer	30000	No	Netty config, the connect timeout of the channel in milliseconds.
writeBufferHighWaterMark	Integer	65536	No	Netty config, the high water mark of the write buffer.
writeBufferLowWaterMark	Integer	32768	No	Netty config, the low water mark of the write buffer.
writeSpinCount	Integer	16	No	Netty config, the maximum loop count for a write operation.
autoRead	Boolean	false	No	Netty config, channel read method will be invoked automatically so that a user application doesn't need to call it at all. The default value in reactor-netty is false, and can only be false.
allocType	String	pooled	No	Netty config, set the ByteBufAllocator which is used for the channel to allocate buffers.

shenyu.instance config

This is the relevant configuration for the ShenYu gateway to register to the registration center. For the configuration of the registration center, please refer to Register Center Instance Config.

Name	Type	Default	Required	Description
enabled	boolean	false	Yes	Whether to start
registerType	String	zookeeper	Yes	Which registry to use, currently supports zookeeper, etcd
serverLists	String	localhost:2181	Yes	The address of the register center. If using clusters, separate with ,
props				When using different register types, the attribute values are different.

• props config

When using different register center, the attribute values are different.

When the registerType is zookeeper, the supported properties are as follows.

Name	Type	Default	Required	Description
sessionTimeout	int	30000	No	session time out(millisecond)
connectionTimeout	int	3000	No	connection time out(millisecond)

When the registerType is etcd, the supported properties are as follows.

Name	Type	Default	Required	Description
etcdTimeout	int	30000	No	etcd time out(millisecond)
etcdTTL	int	5	No	client lease time to live(second)

shenyu.httpclient config

This is the HttpClient configuration used to send proxy requests after proxying the Http and SpringCloud protocols in the ShenYu gateway.

Name	Type	Default	Required	Description
strategy	String	webClient	No	Type of http client, defaults to webClient. - webClient: use by WebClientPlugin - netty: use by NettyHttpClientPlugin.
connectTimeout	int	45000	No	Connection timeout (millisecond), the default value is 45000.
readTimeout	int	3000	No	Read timeout (millisecond), the default value is 3000.
writeTimeout	int	3000	No	Write timeout (millisecond), the default value is 3000.
wiretap	Boolean	false	No	Enables wiretap debugging for Netty HttpClient, the default value is 'false'.
pool				HttpClient connection pool config
proxy				HttpClient proxy config
ssl				HttpClient ssl config

• pool config

HttpClient connection pool configuration:

Name	Type	Default	Required	Description
type	String	ELASTIC	No	Type of pool for HttpClient to use, defaults to ELASTIC. - ELASTIC: The connection pool can be cached and grown on demand - FIXED: The connection pool cache and reuse a fixed maximum The number of connections. - DISABLED: The connection pool will always create a new connection.
name	String	proxy	No	The channel pool map name, defaults to proxy.
maxConnections	int	the maximum value of 2*CPU and 16	No	Only for type FIXED, the maximum number of connections before starting pending acquisition on existing ones. the default value is available number of processors*2. (but with a minimum value of 16)
acquireTimeout	int	45000	No	Only for type FIXED, the maximum time in millis to wait for aquiring. the default value is 45000

• proxy config

Netty HttpClient proxy configuration:

Name	Type	Default	Required	Description
host	String	null	No	Hostname for proxy configuration of Netty HttpClient.
port	String	null	No	Port for proxy configuration of Netty HttpClient.
username	String	null	No	Username for proxy configuration of Netty HttpClient.
password	String	null	No	Password for proxy configuration of Netty HttpClient.
nonProxyHostsPattern	String	null	No	Regular expression (Java) for a configured list of hosts. that should be reached directly, bypassing the proxy

• SSL config

Gateway routing can support routing to http and https back-end services at the same time. The following is the SSL-related configuration:

Name	Type	Default	Required	Description
useInsecureTrustManager	Boolean	false	No	Installs the netty InsecureTrustManagerFactory. This is insecure and not suitable for production.
keyStoreType	String	PKCS12	No	SSL key store type.
keyStorePath	String		No	SSL key store path.
keyStorePassword	String		No	SSL key store pass word.
keyPassword	String		No	SSL key pass word.
trustedX509Certificates	String	Null	No	Trusted certificates for verifying the remote endpoint's certificate.(Use , to separate multiple values)
handshakeTimeout	int	10000	No	SSL handshake timeout. Default to 10000 ms
closeNotifyFlushTimeout	int	3000	No	SSL close_notify flush timeout. Default to 3000 ms.
closeNotifyReadTimeout	int	0	No	SSL close_notify read timeout. Default to 0 ms.
defaultConfigurationType	String	TCP	No	The default ssl configuration type. Defaults to TCP. - H2: SslProvider will be set depending on OpenSsl.isAlpnSupported(), SslProvider.HTTP2_CIPHERS, ALPN support, HTTP/1.1 and HTTP/2 support. - TCP: SslProvider will be set depending on OpenSsl.isAvailable() - NONE: There will be no default configuration

Filter Configuration

• shenyu.file config

File filter properties:

Name	Type	Default	Required	Description
enabled	Boolean	false	No	enable file size filtering
maxSize	Integer	10	No	upload file maxSize （MB）

• shenyu.cross config

Cross filter properties:

Name	Type	Default	Required	Description
enabled	Boolean	false	No	allow cross-domain requests
allowedHeaders	String	x-requested-with, authorization, Content-Type, Authorization, credential, X-XSRF-TOKEN, token, username, client	No	allowedHeaders, Use "," split in multiple cases. the new "allowedHeaders" will append to "Access-Control-Allow-Headers" based on the default value and remove the reduplicative header.
allowedMethods	String	"*"	No	allowedMethods
allowedOrigin	String	"*"	No	allowedOrigin，if the value is empty, use request.getHeaders().getOrigin() set to Access-Control-Allow-Origin
allowedExpose	String	"*"	No	allowedExpose
maxAge	String	"18000"	No	maxAge (ms)
allowCredentials	Boolean	true	No	allowCredentials

• shenyu.exclude config

Exculde filter properties:

Name	Type	Default	Required	Description
enabled	Boolean	false	No	whether to enable exclude filter and reject the specified request to pass through the gateway
paths	Array	null	Yes	Requests matching this list can not pass through the gateway (support Path-Matching)

shenyu.sync config

The Apache ShenYu gateway and the Admin System use data synchronization configurations.

The following properties are configured for data synchronization using websocket :

Name	Type	Default	Required	Description
urls	String	null	Yes	The websocket server address of Admin, separate multiple addresses with ,

The following properties are configured for data synchronization using zookeeper :

Name	Type	Default	Required	Description
url	String	null	Yes	zookeeper server url
sessionTimeout	int	null	Yes	session timeout (millisecond)
connectionTimeout	int	null	Yes	connection timeout (millisecond)

The following properties are configured for data synchronization using http long polling :

Name	Type	Default	Required	Description
url	String	null	Yes	Admin server address

The following properties are configured for data synchronization using nacos :

Name	Type	Default	Required	Description
url	String	null	是	nacos url
namespace	String	null	Yes	namespace
username	String	null	No	username
password	String	null	No	password
acm			No	aliyun ACM service configuration

• acm config

Name	Type	Default	Required	Description
enabled	boolean	false	No	whether to enable
endpoint	String	null	No	ACM service address
namespace	String	null	No	namespace
accessKey	String	null	No	accessKey
secretKey	String	null	No	secretKey

The following properties are configured for data synchronization using etcd :

Name	Type	Default	Required	Description
url	String	null	Yes	etcd server url

The following properties are configured for data synchronization using consul :

Name	Type	Default	Required	Description
url	String	null	Yes	consul server url
waitTime	int	null	Yes	the timeout period for requesting consul service to pull configuration information (milliseconds)
watchDelay	int	null	Yes	Synchronization interval (milliseconds)

shenyu.extPlugin config

The Apache ShenYu Supports dynamic loading of custom plug-ins with the following configuration

Name	Type	Default	Required	Description
enabled	Boolean	true	No	open dynamic loading of custom plug-ins
path	String		False	custom plugins path, if not config, the path is /ext/lib
threads	Integer	1	False	threads for dynamic loading custom plug-ins
scheduleTime	Integer	300	False	schedule time (s) for dynamic loading custom plug-ins
scheduleDelay	Integer	30	False	schedule delay when app startup

shenyu.scheduler config

scheduler config for Apache ShenYu Scheduler Thread Model

Name	Type	Default	Required	Description
enabled	Boolean	false	No	Whether to turn on Scheduler Thread Model
type	String	fixed	False	fixed Thread Pool or elastic Scheduler Thread Model
threads	Integer	Math.max((Runtime.getRuntime().availableProcessors() << 1) + 1, 16)	False	threads for fixed Thread Pool

shenyu.upstreamCheck config

upstreamCheck config is the configuration used by Apache ShenYu to detect upstream

Name	Type	Default	Required	Description
enabled	Boolean	false	No	Whether to turn on upstreamCheck
timeout	Integer	3000	False	timeout （ms）
healthyThreshold	Integer	1	False	healthyThreshold
unhealthyThreshold	Integer	1	False	unhealthyThreshold
interval	Integer	5000	False	schedule time (ms) for checked
printEnabled	Boolean	true	No	Whether to turn on print logs
printInterval	Integer	60000	False	schedule time (ms) for print logs

shenyu.switchConfig config

Apache ShenYu Switch Config

Name	Type	Default	Required	Description
local	Boolean	true	No	Whether to open local mode, if so, local operation data, default open