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Proxy response bodies can now be buffered, and the size of the request body and
response body buffer can be limited. Any remaining content that doesn't fit in the
buffer will remain on the wire until it can be read; i.e. bodies are not truncated,
even if the buffer is not big enough.
This fulfills a customer requirement. This was made possible by their sponsorship!
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Eliminates a fair amount of repeated code
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* reverse_proxy: 1.health check headers can be set through Caddyfile using health_headers directive; 2.health check header host can be set properly
* reverse_proxy:
replace example with syntax definition
inline health_headers directive parse function
* bugfix: change caddyfile_adapt testcase file from space to tab
* reverseproxy: modify health_header value document as optional and add more test cases
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* caddyfile: Introduce basic linting and fmt check
This will help encourage people to keep their Caddyfiles tidy.
* Remove unrelated tests
I am not sure that testing the output of warnings here is quite the
right idea; these tests are just for syntax and parsing success.
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* reverseproxy: Add Caddyfile scheme shorthand for h2c
* reverseproxy: Use parentheses for condition
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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* implement default values for header directive
closes #3804
* remove `set_default` header op and rely on "require" handler instead
This has the following advantages over the previous attempt:
- It does not introduce a new operation for headers, but rather nicely
extends over an existing feature in the header handler.
- It removes the need to specify the header as "deferred" because it is
already implicitely deferred by the use of the require handler. This
should be less confusing to the user.
* add integration test for header directive in caddyfile
* bubble up errors when parsing caddyfile header directive
* don't export unnecessarily and don't canonicalize headers unnecessarily
* fix response headers not passed in blocks
* caddyfile: fix clash when using default header in block
Each header is now set in a separate handler so that it doesn't clash
with other headers set/added/deleted in the same block.
* caddyhttp: New idle_timeout default of 5m
* reverseproxy: fix random hangs on http/2 requests with server push (#3875)
see https://github.com/golang/go/issues/42534
* Refactor and cleanup with improvements
* More specific link
Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
Co-authored-by: Денис Телюх <telyukh.denis@gmail.com>
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* check if the host is a placeholder
* Update modules/caddyhttp/reverseproxy/caddyfile.go
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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* reverseproxy: default to port 80 for port-less upstream dial addresses
* reverseproxy: replace integration test with an adapter test
Fixes #3761
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* httpcaddyfile: Add `compression` to http transport config
* Add caddyfile adapt test for typical h2c setup
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* reverseproxy: Fix Caddyfile parsing for empty non-http transports
* Update modules/caddyhttp/reverseproxy/caddyfile.go
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* Rename empty transport test
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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* reverseproxy: Improve error message when using scheme+placeholder
* reverseproxy: Simplify error message
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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* caddy: Add support for `d` duration unit
* Improvements to ParseDuration; add unit tests
Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
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An upstream like https://localhost:80 is still forbidden, but an addr of
localhost:80 can be used while explicitly enabling TLS as an override;
we just don't allow the implicit behavior to be ambiguous.
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* reverse_proxy: Initial attempt at H2C transport/client support (#3218)
I have not tested this yet
* Experimentally enabling H2C server support (closes #3227)
See also #3218
I have not tested this
* reverseproxy: Clean up H2C transport a bit
* caddyhttp: Update godoc for h2c server; clarify experimental status
* caddyhttp: Fix trailers when recording responses (fixes #3236)
* caddyhttp: Tweak h2c config settings and docs
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* reverse_proxy: Begin SRV lookup support (WIP)
* reverse_proxy: Finish adding support for SRV-based backends (#3179)
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This makes it more convenient to configure quick proxies that use HTTPS
but also introduces a lot of logical complexity. We have to do a lot of
verification for consistency and errors.
Path and query string is not supported (i.e. no rewriting).
Scheme and port can be inferred from each other if HTTP(S)/80/443.
If omitted, defaults to HTTP.
Any explicit transport config must be consistent with the upstream
schemes, and the upstream schemes must all match too.
But, this change allows a config that used to require this:
reverse_proxy example.com:443 {
transport http {
tls
}
}
to be reduced to this:
reverse_proxy https://example.com
which is really nice syntactic sugar (and is reminiscent of Caddy 1).
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This reverts commit 86b785e51cccd5df18611c380962cbd4faf38af5.
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Now multiple instances of the same matcher can be used within a named
matcher without overwriting previous ones.
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Allows specifying ca certs with by filename in
`reverse_proxy.transport`.
Example
```
reverse_proxy /api api:443 {
transport http {
tls
tls_trusted_ca_certs certs/rootCA.pem
}
}
```
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This commit goes a long way toward making automated documentation of
Caddy config and Caddy modules possible. It's a broad, sweeping change,
but mostly internal. It allows us to automatically generate docs for all
Caddy modules (including future third-party ones) and make them viewable
on a web page; it also doubles as godoc comments.
As such, this commit makes significant progress in migrating the docs
from our temporary wiki page toward our new website which is still under
construction.
With this change, all host modules will use ctx.LoadModule() and pass in
both the struct pointer and the field name as a string. This allows the
reflect package to read the struct tag from that field so that it can
get the necessary information like the module namespace and the inline
key.
This has the nice side-effect of unifying the code and documentation. It
also simplifies module loading, and handles several variations on field
types for raw module fields (i.e. variations on json.RawMessage, such as
arrays and maps).
I also renamed ModuleInfo.Name -> ModuleInfo.ID, to make it clear that
the ID is the "full name" which includes both the module namespace and
the name. This clarity is helpful when describing module hierarchy.
As of this change, Caddy modules are no longer an experimental design.
I think the architecture is good enough to go forward.
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Also add godoc for Caddyfile syntax for file_server
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This PR enables the use of placeholders in an upstream's Dial address.
A Dial address must represent precisely one socket after replacements.
See also #998 and #1639.
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Adds header_up and header_down subdirectives to reverse_proxy
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