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Posted to commits@trafficserver.apache.org by am...@apache.org on 2018/03/12 22:04:56 UTC
[trafficserver] branch master updated: x-debug log-headers
propagation and documentation
This is an automated email from the ASF dual-hosted git repository.
amc pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/trafficserver.git
The following commit(s) were added to refs/heads/master by this push:
new f1068d1 x-debug log-headers propagation and documentation
f1068d1 is described below
commit f1068d18733ae1551321d395a5bb591486d5abbd
Author: Aaron Canary <ac...@oath.com>
AuthorDate: Wed Feb 14 14:10:05 2018 -0600
x-debug log-headers propagation and documentation
Now the log-headers request will propagate upstream even when logging is not enabled on the local box. This makes it easier to use on higher tier caches.
Also added documentation.
---
doc/admin-guide/plugins/xdebug.en.rst | 6 ++++++
plugins/xdebug/xdebug.cc | 6 +++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/doc/admin-guide/plugins/xdebug.en.rst b/doc/admin-guide/plugins/xdebug.en.rst
index 45920af..32cc1df 100644
--- a/doc/admin-guide/plugins/xdebug.en.rst
+++ b/doc/admin-guide/plugins/xdebug.en.rst
@@ -54,6 +54,12 @@ Diags
transaction specific diagnostics for the transaction. This also requires
that :ts:cv:`proxy.config.diags.debug.enabled` is set to ``1``.
+log-headers
+ If the ``log-headers`` is requested while :ts:cv:`proxy.config.diags.debug.tags`
+ is set to ``xdebug.headers`` and :ts:cv:`proxy.config.diags.debug.enabled` is set to ``1``,
+ then all client and server, request and response headers are logged.
+ Also, the ``X-Debug: log-headers`` header is always added to the upstream request.
+
X-Cache-Key
The ``X-Cache-Key`` header contains the URL that identifies the HTTP object in the
Traffic Server cache. This header is particularly useful if a custom cache
diff --git a/plugins/xdebug/xdebug.cc b/plugins/xdebug/xdebug.cc
index a4c0a62..7258a4d 100644
--- a/plugins/xdebug/xdebug.cc
+++ b/plugins/xdebug/xdebug.cc
@@ -320,6 +320,10 @@ InjectTxnUuidHeader(TSHttpTxn txn, TSMBuffer buffer, TSMLoc hdr)
void
log_headers(TSHttpTxn txn, TSMBuffer bufp, TSMLoc hdr_loc, const char *msg_type)
{
+ if (!TSIsDebugTagSet(DEBUG_TAG_LOG_HEADERS)) {
+ return;
+ }
+
TSIOBuffer output_buffer;
TSIOBufferReader reader;
TSIOBufferBlock block;
@@ -458,7 +462,7 @@ XScanRequestHeaders(TSCont /* contp */, TSEvent event, void *edata)
} else if (header_field_eq("diags", value, vsize)) {
// Enable diagnostics for DebugTxn()'s only
TSHttpTxnDebugSet(txn, 1);
- } else if (header_field_eq("log-headers", value, vsize) && TSIsDebugTagSet(DEBUG_TAG_LOG_HEADERS)) {
+ } else if (header_field_eq("log-headers", value, vsize)) {
xheaders |= XHEADER_X_DUMP_HEADERS;
log_headers(txn, buffer, hdr, "ClientRequest");
--
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