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feat: split openresty report into raw/computed/global

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Exposes raw, global, and computed report flags for every openresty per-app property and allows those properties to be set with `--global`, so external tooling can distinguish a property that was never set from one left at its built-in default. The computed value resolves the per-app value first, then the global value, then the default. Also corrects `client-header-timeout` which read the `client-body-timeout` key and sets the computed `client-max-body-size` default to `1m`.
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Jose Diaz-Gonzalez
2026-05-28 00:03:47 -04:00
parent ee11fa2c63
commit 64b104a2a3
6 changed files with 870 additions and 109 deletions
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docs/networking/proxies/openresty.md
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@@ -284,41 +284,43 @@ dokku openresty:report node-js-app --openresty-computed-letsencrypt-email
### Settable properties
Five properties (`image`, `log-level`, `letsencrypt-email`, `letsencrypt-server`, `allowed-letsencrypt-domains-func-base64`) are global only. The rest are app only - they cannot be set with `--global`.
Five properties (`image`, `log-level`, `letsencrypt-email`, `letsencrypt-server`, `allowed-letsencrypt-domains-func-base64`) are global only. The rest may be set per-app or globally with `--global`; a global value applies to any app that has no per-app value, otherwise the built-in default is used.
Global-only properties expose two report flags: `--openresty-global-<property>` returns the raw stored value (empty when the property has never been set), while `--openresty-computed-<property>` returns the effective value (the global value if set, otherwise the built-in default). The per-app `hsts` property additionally has a bare `--openresty-hsts` flag for the raw per-app value.
Global-only properties expose two report flags: `--openresty-global-<property>` returns the raw stored value (empty when the property has never been set), while `--openresty-computed-<property>` returns the effective value (the global value if set, otherwise the built-in default).
App-or-global properties expose three report flags: `--openresty-<property>` returns the raw per-app value (empty when unset), `--openresty-global-<property>` returns the raw global value (empty when unset), and `--openresty-computed-<property>` returns the effective value, resolving the per-app value first, then the global value, then the built-in default.
| Property | Scope | Default | Report flags | Description |
|---|---|---|---|---|
| `access-log-format` | app only | none | `--openresty-access-log-format` | Custom nginx `log_format` directive used for the access log |
| `access-log-path` | app only | _`/var/log/nginx/{app}-access.log`_ | `--openresty-access-log-path` | Path inside the openresty container where access logs are written |
| `access-log-format` | app or global | none | `--openresty-access-log-format`, `--openresty-global-access-log-format`, `--openresty-computed-access-log-format` | Custom nginx `log_format` directive used for the access log |
| `access-log-path` | app or global | _`/var/log/nginx/{app}-access.log`_ | `--openresty-access-log-path`, `--openresty-global-access-log-path`, `--openresty-computed-access-log-path` | Path inside the openresty container where access logs are written |
| `allowed-letsencrypt-domains-func-base64` | global only | _allow-all stub_ | `--openresty-global-allowed-letsencrypt-domains-func-base64`, `--openresty-computed-allowed-letsencrypt-domains-func-base64` | Base64-encoded Lua function deciding which domains may request a letsencrypt certificate |
| `bind-address-ipv4` | app only | none | `--openresty-bind-address-ipv4` | IPv4 address the openresty server block binds to |
| `bind-address-ipv6` | app only | `::` | `--openresty-bind-address-ipv6` | IPv6 address the openresty server block binds to |
| `client-body-timeout` | app only | `60s` | `--openresty-client-body-timeout` | Time allowed to read the request body from the client |
| `client-header-timeout` | app only | `60s` | `--openresty-client-header-timeout` | Time allowed to read the request header from the client |
| `client-max-body-size` | app only | `1m` | `--openresty-client-max-body-size` | Maximum allowed request body size |
| `error-log-path` | app only | _`/var/log/nginx/{app}-error.log`_ | `--openresty-error-log-path` | Path inside the openresty container where error logs are written |
| `hsts` | app only | `true` | `--openresty-hsts`, `--openresty-global-hsts`, `--openresty-computed-hsts` | When `true`, emits a `Strict-Transport-Security` header on HTTPS responses |
| `hsts-include-subdomains` | app only | `true` | `--openresty-hsts-include-subdomains` | Adds the `includeSubDomains` directive to the HSTS header |
| `hsts-max-age` | app only | `15724800` | `--openresty-hsts-max-age` | `max-age` value (seconds) in the HSTS header |
| `hsts-preload` | app only | `false` | `--openresty-hsts-preload` | Adds the `preload` directive to the HSTS header |
| `bind-address-ipv4` | app or global | none | `--openresty-bind-address-ipv4`, `--openresty-global-bind-address-ipv4`, `--openresty-computed-bind-address-ipv4` | IPv4 address the openresty server block binds to |
| `bind-address-ipv6` | app or global | `::` | `--openresty-bind-address-ipv6`, `--openresty-global-bind-address-ipv6`, `--openresty-computed-bind-address-ipv6` | IPv6 address the openresty server block binds to |
| `client-body-timeout` | app or global | `60s` | `--openresty-client-body-timeout`, `--openresty-global-client-body-timeout`, `--openresty-computed-client-body-timeout` | Time allowed to read the request body from the client |
| `client-header-timeout` | app or global | `60s` | `--openresty-client-header-timeout`, `--openresty-global-client-header-timeout`, `--openresty-computed-client-header-timeout` | Time allowed to read the request header from the client |
| `client-max-body-size` | app or global | `1m` | `--openresty-client-max-body-size`, `--openresty-global-client-max-body-size`, `--openresty-computed-client-max-body-size` | Maximum allowed request body size |
| `error-log-path` | app or global | _`/var/log/nginx/{app}-error.log`_ | `--openresty-error-log-path`, `--openresty-global-error-log-path`, `--openresty-computed-error-log-path` | Path inside the openresty container where error logs are written |
| `hsts` | app or global | `true` | `--openresty-hsts`, `--openresty-global-hsts`, `--openresty-computed-hsts` | When `true`, emits a `Strict-Transport-Security` header on HTTPS responses |
| `hsts-include-subdomains` | app or global | `true` | `--openresty-hsts-include-subdomains`, `--openresty-global-hsts-include-subdomains`, `--openresty-computed-hsts-include-subdomains` | Adds the `includeSubDomains` directive to the HSTS header |
| `hsts-max-age` | app or global | `15724800` | `--openresty-hsts-max-age`, `--openresty-global-hsts-max-age`, `--openresty-computed-hsts-max-age` | `max-age` value (seconds) in the HSTS header |
| `hsts-preload` | app or global | `false` | `--openresty-hsts-preload`, `--openresty-global-hsts-preload`, `--openresty-computed-hsts-preload` | Adds the `preload` directive to the HSTS header |
| `image` | global only | _parsed from `plugins/openresty-vhosts/Dockerfile`_ | `--openresty-global-image`, `--openresty-computed-image` | Docker image used to run the openresty container |
| `keepalive-timeout` | app only | `75s` | `--openresty-keepalive-timeout` | Time an idle keep-alive connection stays open |
| `keepalive-timeout` | app or global | `75s` | `--openresty-keepalive-timeout`, `--openresty-global-keepalive-timeout`, `--openresty-computed-keepalive-timeout` | Time an idle keep-alive connection stays open |
| `letsencrypt-email` | global only | none | `--openresty-global-letsencrypt-email`, `--openresty-computed-letsencrypt-email` | Contact email enabling letsencrypt; empty disables https issuance |
| `letsencrypt-server` | global only | `https://acme-v02.api.letsencrypt.org/directory` | `--openresty-global-letsencrypt-server`, `--openresty-computed-letsencrypt-server` | ACME directory used when requesting certificates |
| `lingering-timeout` | app only | `5s` | `--openresty-lingering-timeout` | Time openresty waits for more client data when closing a connection |
| `lingering-timeout` | app or global | `5s` | `--openresty-lingering-timeout`, `--openresty-global-lingering-timeout`, `--openresty-computed-lingering-timeout` | Time openresty waits for more client data when closing a connection |
| `log-level` | global only | `ERROR` | `--openresty-global-log-level`, `--openresty-computed-log-level` | Openresty log level |
| `proxy-buffer-size` | app only | _system pagesize_ | `--openresty-proxy-buffer-size` | Buffer size for reading the first part of the upstream response |
| `proxy-buffering` | app only | `on` | `--openresty-proxy-buffering` | Whether openresty buffers upstream responses (`on` or `off`) |
| `proxy-buffers` | app only | _`8 {pagesize}`_ | `--openresty-proxy-buffers` | Number and size of buffers used for an upstream response |
| `proxy-busy-buffers-size` | app only | _`2 * pagesize`_ | `--openresty-proxy-busy-buffers-size` | Maximum buffer size that can be busy sending a response to the client |
| `proxy-connect-timeout` | app only | `60s` | `--openresty-proxy-connect-timeout` | Time to establish a connection to the upstream |
| `proxy-read-timeout` | app only | `60s` | `--openresty-proxy-read-timeout` | Time to read a response from the upstream |
| `proxy-send-timeout` | app only | `60s` | `--openresty-proxy-send-timeout` | Time to transmit a request to the upstream |
| `send-timeout` | app only | `60s` | `--openresty-send-timeout` | Time between two successive write operations to the client |
| `underscore-in-headers` | app only | `off` | `--openresty-underscore-in-headers` | Whether to allow underscores in client request header field names |
| `x-forwarded-for-value` | app only | `$remote_addr` | `--openresty-x-forwarded-for-value` | Value used for the `X-Forwarded-For` header |
| `x-forwarded-port-value` | app only | `$server_port` | `--openresty-x-forwarded-port-value` | Value used for the `X-Forwarded-Port` header |
| `x-forwarded-proto-value` | app only | `$scheme` | `--openresty-x-forwarded-proto-value` | Value used for the `X-Forwarded-Proto` header |
| `x-forwarded-ssl` | app only | none | `--openresty-x-forwarded-ssl` | Value used for the `X-Forwarded-Ssl` header (e.g. `on`/`off`) |
| `proxy-buffer-size` | app or global | _system pagesize_ | `--openresty-proxy-buffer-size`, `--openresty-global-proxy-buffer-size`, `--openresty-computed-proxy-buffer-size` | Buffer size for reading the first part of the upstream response |
| `proxy-buffering` | app or global | `on` | `--openresty-proxy-buffering`, `--openresty-global-proxy-buffering`, `--openresty-computed-proxy-buffering` | Whether openresty buffers upstream responses (`on` or `off`) |
| `proxy-buffers` | app or global | _`8 {pagesize}`_ | `--openresty-proxy-buffers`, `--openresty-global-proxy-buffers`, `--openresty-computed-proxy-buffers` | Number and size of buffers used for an upstream response |
| `proxy-busy-buffers-size` | app or global | _`2 * pagesize`_ | `--openresty-proxy-busy-buffers-size`, `--openresty-global-proxy-busy-buffers-size`, `--openresty-computed-proxy-busy-buffers-size` | Maximum buffer size that can be busy sending a response to the client |
| `proxy-connect-timeout` | app or global | `60s` | `--openresty-proxy-connect-timeout`, `--openresty-global-proxy-connect-timeout`, `--openresty-computed-proxy-connect-timeout` | Time to establish a connection to the upstream |
| `proxy-read-timeout` | app or global | `60s` | `--openresty-proxy-read-timeout`, `--openresty-global-proxy-read-timeout`, `--openresty-computed-proxy-read-timeout` | Time to read a response from the upstream |
| `proxy-send-timeout` | app or global | `60s` | `--openresty-proxy-send-timeout`, `--openresty-global-proxy-send-timeout`, `--openresty-computed-proxy-send-timeout` | Time to transmit a request to the upstream |
| `send-timeout` | app or global | `60s` | `--openresty-send-timeout`, `--openresty-global-send-timeout`, `--openresty-computed-send-timeout` | Time between two successive write operations to the client |
| `underscore-in-headers` | app or global | `off` | `--openresty-underscore-in-headers`, `--openresty-global-underscore-in-headers`, `--openresty-computed-underscore-in-headers` | Whether to allow underscores in client request header field names |
| `x-forwarded-for-value` | app or global | `$remote_addr` | `--openresty-x-forwarded-for-value`, `--openresty-global-x-forwarded-for-value`, `--openresty-computed-x-forwarded-for-value` | Value used for the `X-Forwarded-For` header |
| `x-forwarded-port-value` | app or global | `$server_port` | `--openresty-x-forwarded-port-value`, `--openresty-global-x-forwarded-port-value`, `--openresty-computed-x-forwarded-port-value` | Value used for the `X-Forwarded-Port` header |
| `x-forwarded-proto-value` | app or global | `$scheme` | `--openresty-x-forwarded-proto-value`, `--openresty-global-x-forwarded-proto-value`, `--openresty-computed-x-forwarded-proto-value` | Value used for the `X-Forwarded-Proto` header |
| `x-forwarded-ssl` | app or global | none | `--openresty-x-forwarded-ssl`, `--openresty-global-x-forwarded-ssl`, `--openresty-computed-x-forwarded-ssl` | Value used for the `X-Forwarded-Ssl` header (e.g. `on`/`off`) |