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reverseproxy: Remove long-deprecated buffering properties 

They've been deprecated for over a year and we printed warnings during that time.
This commit is contained in:
Matthew Holt 2024-04-22 15:34:14 -06:00
parent d93e027e01
commit 9f97df2275
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GPG Key ID: 2A349DD577D586A5
2 changed files with 0 additions and 47 deletions
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27
modules/caddyhttp/reverseproxy/caddyfile.go
View File

@ -607,33 +607,6 @@ func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
h.ResponseBuffers = size
}
// TODO: These three properties are deprecated; remove them sometime after v2.6.4
case "buffer_requests": // TODO: deprecated
if d.NextArg() {
return d.ArgErr()
}
caddy.Log().Named("config.adapter.caddyfile").Warn("DEPRECATED: buffer_requests: use request_buffers instead (with a maximum buffer size)")
h.DeprecatedBufferRequests = true
case "buffer_responses": // TODO: deprecated
if d.NextArg() {
return d.ArgErr()
}
caddy.Log().Named("config.adapter.caddyfile").Warn("DEPRECATED: buffer_responses: use response_buffers instead (with a maximum buffer size)")
h.DeprecatedBufferResponses = true
case "max_buffer_size": // TODO: deprecated
if !d.NextArg() {
return d.ArgErr()
}
size, err := humanize.ParseBytes(d.Val())
if err != nil {
return d.Errf("invalid byte size '%s': %v", d.Val(), err)
}
if d.NextArg() {
return d.ArgErr()
}
caddy.Log().Named("config.adapter.caddyfile").Warn("DEPRECATED: max_buffer_size: use request_buffers and/or response_buffers instead (with maximum buffer sizes)")
h.DeprecatedMaxBufferSize = int64(size)
case "stream_timeout":
if !d.NextArg() {
return d.ArgErr()

20
modules/caddyhttp/reverseproxy/reverseproxy.go
View File

@ -129,15 +129,6 @@ type Handler struct {
// are also set implicitly.
Headers *headers.Handler `json:"headers,omitempty"`
// DEPRECATED: Do not use; will be removed. See request_buffers instead.
DeprecatedBufferRequests bool `json:"buffer_requests,omitempty"`
// DEPRECATED: Do not use; will be removed. See response_buffers instead.
DeprecatedBufferResponses bool `json:"buffer_responses,omitempty"`
// DEPRECATED: Do not use; will be removed. See request_buffers and response_buffers instead.
DeprecatedMaxBufferSize int64 `json:"max_buffer_size,omitempty"`
// If nonzero, the entire request body up to this size will be read
// and buffered in memory before being proxied to the backend. This
// should be avoided if at all possible for performance reasons, but
@ -241,17 +232,6 @@ func (h *Handler) Provision(ctx caddy.Context) error {
h.connections = make(map[io.ReadWriteCloser]openConnection)
h.connectionsMu = new(sync.Mutex)
// TODO: remove deprecated fields sometime after v2.6.4
if h.DeprecatedBufferRequests {
h.logger.Warn("DEPRECATED: buffer_requests: this property will be removed soon; use request_buffers instead (and set a maximum buffer size)")
}
if h.DeprecatedBufferResponses {
h.logger.Warn("DEPRECATED: buffer_responses: this property will be removed soon; use response_buffers instead (and set a maximum buffer size)")
}
if h.DeprecatedMaxBufferSize != 0 {
h.logger.Warn("DEPRECATED: max_buffer_size: this property will be removed soon; use request_buffers and/or response_buffers instead (and set maximum buffer sizes)")
}
// warn about unsafe buffering config
if h.RequestBuffers == -1 || h.ResponseBuffers == -1 {
h.logger.Warn("UNLIMITED BUFFERING: buffering is enabled without any cap on buffer size, which can result in OOM crashes")