101 lines
No EOL
3 KiB
Markdown
101 lines
No EOL
3 KiB
Markdown
# Configuration
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In general, everything available as CLI parameter can also be specified via
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environment variables, so they're not specifically mentioned in most cases
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(see `--help` also). If you prefer a config file you can use it in yaml format.
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## Nodes and weights
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You can specify multiple `-p` options to add more NeoFS nodes, this will make
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gateway spread requests equally among them (using weight 1 for every node):
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```
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$ neofs-s3-gw -p 192.168.130.72:8080 -p 192.168.130.71:8080
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```
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If you want some specific load distribution proportions, use weights, but they
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can only be specified via environment variables:
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```
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$ HTTP_GW_PEERS_0_ADDRESS=192.168.130.72:8080 HTTP_GW_PEERS_0_WEIGHT=9 \
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HTTP_GW_PEERS_1_ADDRESS=192.168.130.71:8080 HTTP_GW_PEERS_1_WEIGHT=1 neofs-s3-gw
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```
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This command will make gateway use 192.168.130.72 for 90% of requests and
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192.168.130.71 for remaining 10%.
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## Key
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Wallet (`--wallet`) is mandatory parameter. It is a path to wallet file. You can provide password to decrypt wallet
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via `S3_GW_WALLET_PASSPHRASE` variable or you will be asked to enter the password interactively.
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You also can specify account address to use from wallet using `--address` parameter.
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## Binding and TLS
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Gateway binds to `0.0.0.0:8080` by default and you can change that with
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`--listen_address` option.
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It can also provide TLS interface for its users, just specify paths to key and
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certificate files via `--tls.key_file` and `--tls.cert_file` parameters. Note
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that using these options makes gateway TLS-only, if you need to serve both TLS
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and plain text you either have to run two gateway instances or use some
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external redirecting solution.
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Example to bind to `192.168.130.130:443` and serve TLS there (keys and nodes
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omitted):
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```
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$ neofs-s3-gw --listen_address 192.168.130.130:443 \
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--tls.key_file=key.pem --tls.cert_file=cert.pem
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```
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## Monitoring and metrics
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Pprof and Prometheus are integrated into the gateway, but not enabled by
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default. To enable them use `--pprof` and `--metrics` flags or
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`HTTP_GW_PPROF`/`HTTP_GW_METRICS` environment variables.
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## Yaml file
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Configuration file is optional and can be used instead of environment variables/other parameters.
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It can be specified with `--config` parameter:
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```
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$ neofs-s3-gw --config your-config.yaml
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```
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Configuration file example:
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```
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listen_address: 0.0.0.0:8084
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wallet:
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passphrase: 123456
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logger:
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level: debug
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peers:
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0:
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address: s01.neofs.devenv:8080
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weight: 1
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```
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To know nesting level of variable you need to cut off the prefix `S3_GW` from variable and split the rest parts by `_`.
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For example variable `S3_GW_PEERS_0_WEIGHT=1` will be transformed to:
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```
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peers:
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0:
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weight: 1
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```
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If parameter doesn't support environment variable (e.g. `--listen_address 0.0.0.0:8084`) form it is used as is:
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```
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listen_address: 0.0.0.0:8084
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```
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### Cache parameters
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Parameters for caches in s3-gw can be specified in .yaml config file. E.g.:
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```
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cache:
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lifetime: 300s
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size: 150
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list_objects_lifetime: 1m
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```
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If invalid values are set, the gateway will use default values instead. |