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| [root@~]# gor --help
Gor is a simple http traffic replication tool written in Go. Its main goal is to replay traffic from production servers to staging and dev environments.
Project page: https://github.com/buger/gor
Author: <Leonid Bugaev> leonsbox@gmail.com
Current Version: 1.0.0
-copy-buffer-size int
Set the buffer size for an individual request (default 5M) (default 5242880)
-cpuprofile string
write cpu profile to file
-debug verbose //打开debug模式，显示所有接口的流量
Turn on debug output, shows all intercepted traffic. Works only when with verbose flag
-exit-after duration
exit after specified duration
-http-allow-header value //用一个正则表达式来匹配http头部，如果请求的头部没有匹配上，则被拒绝
A regexp to match a specific header against. Requests with non-matching headers will be dropped:
gor --input-raw :8080 --output-http staging.com --http-allow-header api-version:^v1
-http-allow-method value // 类似于一个白名单机制来允许通过的http请求方法，除此之外的方法都被拒绝.
Whitelist of HTTP methods to replay. Anything else will be dropped:
gor --input-raw :8080 --output-http staging.com --http-allow-method GET --http-allow-method OPTIONS
-http-allow-url value //一个正则表达式用来匹配url， 用来过滤完全匹配的的url，在此之外的都被过滤掉
A regexp to match requests against. Filter get matched against full url with domain. Anything else will be dropped:
gor --input-raw :8080 --output-http staging.com --http-allow-url ^www.
-http-basic-auth-filter value //匹配认证头重放
A regexp to match the decoded basic auth string against. Requests with non-matching headers will be dropped:
gor --input-raw :8080 --output-http staging.com --http-basic-auth-filter "^customer[0-9].*"
-http-disallow-header value //用一个正则表达式来匹配http头部，匹配到的请求会被拒绝掉
A regexp to match a specific header against. Requests with matching headers will be dropped:
gor --input-raw :8080 --output-http staging.com --http-disallow-header "User-Agent: Replayed by Gor"
-http-disallow-url value //用一个正则表达式来匹配url，如果请求匹配上了，则会被拒绝
A regexp to match requests against. Filter get matched against full url with domain. Anything else will be forwarded:
gor --input-raw :8080 --output-http staging.com --http-disallow-url ^www.
-http-header-limiter value //读取请求，基于FNV32-1A散列来拒绝一定比例的特殊请求
Takes a fraction of requests, consistently taking or rejecting a request based on the FNV32-1A hash of a specific header:
gor --input-raw :8080 --output-http staging.com --http-header-limiter user-id:25%
-http-original-host //在--output-http的输出中，通常gor会使用取代请求的http头，所以应该禁用该选项，保留原始的主机头
Normally gor replaces the Host http header with the host supplied with --output-http. This option disables that behavior, preserving the original Host header.
-http-param-limiter value
Takes a fraction of requests, consistently taking or rejecting a request based on the FNV32-1A hash of a specific GET param:
gor --input-raw :8080 --output-http staging.com --http-param-limiter user_id:25%
-http-pprof :8181
Enable profiling. Starts http server on specified port, exposing special /debug/pprof endpoint. Example: :8181
-http-rewrite-header value
Rewrite the request header based on a mapping:
gor --input-raw :8080 --output-http staging.com --http-rewrite-header Host: (.*).example.com,$1.beta.example.com
-http-rewrite-url value
Rewrite the request url based on a mapping:
gor --input-raw :8080 --output-http staging.com --http-rewrite-url /v1/user/([^\/]+)/ping:/v2/user/$1/ping
-http-set-header value
Inject additional headers to http reqest:
gor --input-raw :8080 --output-http staging.com --http-set-header 'User-Agent: Gor'
-http-set-param value
Set request url param, if param already exists it will be overwritten:
gor --input-raw :8080 --output-http staging.com --http-set-param api_key=1
-input-dummy value
Used for testing outputs. Emits 'Get /' request every 1s
-input-file value //从一个文件中读取请求
Read requests from file:
gor --input-file ./requests.gor --output-http staging.com
-input-file-loop
Loop input files, useful for performance testing.
-input-kafka-host string
Send request and response stats to Kafka:
gor --output-stdout --input-kafka-host '192.168.0.1:9092,192.168.0.2:9092'
-input-kafka-json-format
If turned on, it will assume that messages coming in JSON format rather than GoReplay text format.
-input-kafka-topic string
Send request and response stats to Kafka:
gor --output-stdout --input-kafka-topic 'kafka-log'
-input-raw value
Capture traffic from given port (use RAW sockets and require *sudo* access):
gor --input-raw :8080 --output-http staging.com
-input-raw-bpf-filter string
BPF filter to write custom expressions. Can be useful in case of non standard network interfaces like tunneling or SPAN port. Example: --input-raw-bpf-filter 'dst port 80'
-input-raw-buffer-size int
Controls size of the OS buffer (in bytes) which holds packets until they dispatched. Default value depends by system: in Linux around 2MB. If you see big package drop, increase this value.
-input-raw-engine libpcap
Intercept traffic using libpcap (default), and `raw_socket` (default "libpcap")
-input-raw-expire duration
How much it should wait for the last TCP packet, till consider that TCP message complete. (default 2s)
-input-raw-immediate-mode
Set pcap interface to immediate mode.
-input-raw-override-snaplen
Override the capture snaplen to be 64k. Required for some Virtualized environments
-input-raw-realip-header string
If not blank, injects header with given name and real IP value to the request payload. Usually this header should be named: X-Real-IP
-input-raw-timestamp-type string
Possible values: PCAP_TSTAMP_HOST, PCAP_TSTAMP_HOST_LOWPREC, PCAP_TSTAMP_HOST_HIPREC, PCAP_TSTAMP_ADAPTER, PCAP_TSTAMP_ADAPTER_UNSYNCED. This values not supported on all systems, GoReplay will tell you available values of you put wrong one.
-input-raw-track-response
If turned on Gor will track responses in addition to requests, and they will be available to middleware and file output.
-input-tcp value // 用来在多个gor之间流转流量
Used for internal communication between Gor instances. Example:
gor --input-tcp :28020 --output-http staging.com
-input-tcp-certificate string
Path to PEM encoded certificate file. Used when TLS turned on.
-input-tcp-certificate-key string
Path to PEM encoded certificate key file. Used when TLS turned on.
-input-tcp-secure
Turn on TLS security. Do not forget to specify certificate and key files.
-memprofile string
write memory profile to this file
-middleware string
Used for modifying traffic using external command
-output-dummy value //用来测试输入，打印出接收的数据.
DEPRECATED: use --output-stdout instead
-output-file value //把进入的请求写入一个文件中
Write incoming requests to file:
gor --input-raw :80 --output-file ./requests.gor
-output-file-append
The flushed chunk is appended to existence file or not.
-output-file-flush-interval duration
Interval for forcing buffer flush to the file, default: 1s. (default 1s)
-output-file-max-size-limit value
Max size of output file, Default: 1TB (default -1)
-output-file-queue-limit int
The length of the chunk queue. Default: 256 (default 256)
-output-file-size-limit value
Size of each chunk. Default: 32mb (default 33554432)
-output-http value //转发进入的请求到一个http地址上
Forwards incoming requests to given http address.
gor --input-raw :80 --output-http http://staging.com
-output-http-compatibility-mode
Use standard Go client, instead of built-in implementation. Can be slower, but more compatible.
-output-http-debug
Enables http debug output.
-output-http-elasticsearch string //把请求和响应状态发送到ElasticSearch
Send request and response stats to ElasticSearch:
gor --input-raw :8080 --output-http staging.com --output-http-elasticsearch 'es_host:api_port/index_name'
-output-http-header --output-http-header
WARNING: --output-http-header DEPRECATED, use `--http-set-header` instead
-output-http-header-filter --output-http-header-filter
WARNING: --output-http-header-filter DEPRECATED, use `--http-allow-header` instead
-output-http-header-hash-filter output-http-header-hash-filter
WARNING: output-http-header-hash-filter DEPRECATED, use `--http-header-hash-limiter` instead
-output-http-method --output-http-method
WARNING: --output-http-method DEPRECATED, use `--http-allow-method` instead
-output-http-queue-len int
Number of requests that can be queued for output, if all workers are busy. default = 1000 (default 1000)
-output-http-redirects int //设置多少次重定向被允许
Enable how often redirects should be followed.
-output-http-response-buffer int
HTTP response buffer size, all data after this size will be discarded.
-output-http-rewrite-url --output-http-rewrite-url
WARNING: --output-http-rewrite-url DEPRECATED, use `--http-rewrite-url` instead
-output-http-stats //每5秒钟输出一次输出队列的状态
Report http output queue stats to console every N milliseconds. See output-http-stats-ms
-output-http-stats-ms int
Report http output queue stats to console every N milliseconds. default: 5000 (default 5000)
-output-http-timeout duration //指定http的request/response超时时间，默认是5秒
Specify HTTP request/response timeout. By default 5s. Example: --output-http-timeout 30s (default 5s)
-output-http-track-response
If turned on, HTTP output responses will be set to all outputs like stdout, file and etc.
-output-http-url-regexp --output-http-url-regexp
WARNING: --output-http-url-regexp DEPRECATED, use `--http-allow-url` instead
-output-http-workers int // gor默认是动态的扩展工作者数量，你也可以指定固定数量的工作者
Gor uses dynamic worker scaling. Enter a number to set a maximum number of workers. default = 0 = unlimited.
-output-http-workers-min int
Gor uses dynamic worker scaling. Enter a number to set a minimum number of workers. default = 1.
-output-kafka-host string
Read request and response stats from Kafka:
gor --input-raw :8080 --output-kafka-host '192.168.0.1:9092,192.168.0.2:9092'
-output-kafka-json-format
If turned on, it will serialize messages from GoReplay text format to JSON.
-output-kafka-topic string
Read request and response stats from Kafka:
gor --input-raw :8080 --output-kafka-topic 'kafka-log'
-output-null
Used for testing inputs. Drops all requests.
-output-stdout
Used for testing inputs. Just prints to console data coming from inputs.
-output-tcp value //用来在多个gor之间流转流量
Used for internal communication between Gor instances. Example:
gor --input-raw :80 --output-tcp replay.local:28020
-output-tcp-secure
Use TLS secure connection. --input-file on another end should have TLS turned on as well.
-output-tcp-stats //每5秒钟报告一次tcp输出队列的状态
Report TCP output queue stats to console every 5 seconds.
-prettify-http
If enabled, will automatically decode requests and responses with: Content-Encodning: gzip and Transfer-Encoding: chunked. Useful for debugging, in conjuction with --output-stdout
-split-output true
By default each output gets same traffic. If set to true it splits traffic equally among all outputs.
-stats //打开输出队列的状态
Turn on queue stats output
-verbose
Turn on more verbose output
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