frostfs-http-gw/README.md
2021-04-14 23:52:59 +03:00

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# NeoFS HTTP Protocol Gateway
NeoFS HTTP Protocol Gateway bridges NeoFS internal protocol and HTTP standard.
- you can download one file per request from NeoFS Network
- you can upload one file per request into the NeoFS Network
## Notable make targets
```
dep Check and ensure dependencies
image Build clean docker image
dirty-image Build diry docker image with host-built binaries
fmts Run all code formatters
lint Run linters
version Show current version
```
## Install
```go get -u github.com/nspcc-dev/neofs-http-gate```
## File uploading behaviors
- you can upload on file per request
- if `FileName` not provided by Header attributes, multipart/form filename will be used instead
## Configuration
```
# Flags:
--pprof enable pprof
--metrics enable prometheus
-h, --help show help
-v, --version show version
--key string path to private key file, hex string or wif (the key will be autogenerated if not specified)
--verbose debug gRPC connections
--request_timeout duration gRPC request timeout (default 5s)
--connect_timeout duration gRPC connect timeout (default 30s)
--listen_address string HTTP gate's listen address (default "0.0.0.0:8082")
-p, --peers stringArray NeoFS nodes
# Environments:
HTTP_GW_KEY=string - Path to private key file, hex string or wif string
HTTP_GW_CONNECT_TIMEOUT=duration - Timeout for connection
HTTP_GW_REQUEST_TIMEOUT=duration - Timeout for request
HTTP_GW_REBALANCE_TIMER=duration - Time between connections checks
HTTP_GW_LISTEN_ADDRESS=host:port - Address to listen connections
HTTP_GW_PEERS_<X>_ADDRESS=host:port - Address of NeoFS Node
HTTP_GW_PEERS_<X>_WEIGHT=float - Weight of NeoFS Node
HTTP_GW_PPROF=bool - Enable/disable pprof (/debug/pprof)
HTTP_GW_METRICS=bool - Enable/disable prometheus metrics endpoint (/metrics)
HTTP_GW_LOGGER_FORMAT=string - Logger format
HTTP_GW_LOGGER_LEVEL=string - Logger level
HTTP_GW_LOGGER_NO_CALLER=bool - Logger don't show caller
HTTP_GW_LOGGER_NO_DISCLAIMER=bool - Logger don't show application name/version
HTTP_GW_LOGGER_SAMPLING_INITIAL=int - Logger sampling initial
HTTP_GW_LOGGER_SAMPLING_THEREAFTER=int - Logger sampling thereafter
HTTP_GW_LOGGER_TRACE_LEVEL=string - Logger show trace on level
HTTP_GW_KEEPALIVE_TIME=duration - After a duration of this time if the client sees no activity
it pings the server to see if the transport is still alive
HTTP_GW_KEEPALIVE_TIMEOUT=duration - After having pinged for keepalive check, the client waits for a duration
of Timeout and if no activity is seen even after that the connection
is closed
HTTP_GW_KEEPALIVE_PERMIT_WITHOUT_STREAM=bool - If true, client sends keepalive pings even with no active RPCs.
If false, when there are no active RPCs, Time and Timeout will be
ignored and no keepalive pings will be sent
HTTP_GW_UPLOAD_HEADER_USE_DEFAULT_TIMESTAMP=bool - Enable/disable adding current timestamp attribute when object uploads
HTTP_GW_WEB_READ_BUFFER_SIZE=4096 - per-connection buffer size for requests' reading
HTTP_GW_WEB_READ_TIMEOUT=15s - an amount of time allowed to read the full request including body
HTTP_GW_WEB_WRITE_BUFFER_SIZE=4096 - per-connection buffer size for responses' writing
HTTP_GW_WEB_WRITE_TIMEOUT=1m0s - maximum duration before timing out writes of the response
HTTP_GW_WEB_STREAM_REQUEST_BODY=true - enables request body streaming, and calls the handler sooner when given
body is larger then the current limit
HTTP_GW_WEB_MAX_REQUEST_BODY_SIZE=4194304 - maximum request body size, server rejects requests with bodies exceeding
this limit
Peers preset:
HTTP_GW_PEERS_<N>_ADDRESS = string
HTTP_GW_PEERS_<N>_WEIGHT = 0..1 (float)
```