goreplay(gor) golang 流量拷贝工具试用
Rate limiting a. Limiting replay using absolute number# staging.server will not get more than ten requests per second
gor --input-tcp :28020 --output-http "http://staging.com|10"
b. Limiting listener using percentage based limiter
# replay server will not get more than 10% of requests
# useful for high-load environments
gor --input-raw :80 --output-tcp "replay.local:28020|10%"
c. Consistent limiting based on Header or URL param value
# Limit based on header value
gor --input-raw :80 --output-tcp "replay.local:28020|10%" --http-header-limiter "X-API-KEY: 10%"
# Limit based on header value
gor --input-raw :80 --output-tcp "replay.local:28020|10%" --http-param-limiter "api_key: 10%"
Request filtering
a. Allow url regexp
# only forward requests being sent to the /api endpoint
gor --input-raw :8080 --output-http staging.com --http-allow-url /api
b. Disallow url regexp
# only forward requests NOT being sent to the /api... endpoint
gor --input-raw :8080 --output-http staging.com --http-disallow-url /api
c. Filter based on regexp of header
# only forward requests with an api version of 1.0x
gor --input-raw :8080 --output-http staging.com --http-allow-header api-version:^1\.0\d
# only forward requests NOT containing User-Agent header value "Replayed by Gor"
gor --input-raw :8080 --output-http staging.com --http-disallow-header "User-Agent: Replayed by Gor"
d. Filter based on HTTP method
gor --input-raw :80 --output-http "http://staging.server" \
--http-allow-method GET \
--http-allow-method OPTIONS
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