Remove proxy-sendcl from mod_proxy_uwsgi apache path

Calling setenv appears to be globally scoped which is breaking the
glance path which relies on chunked uploads. The glance path is
separated by using mod_proxy instead of mod_proxy_uwsgi because
mod_proxy_uwsgi doesn't support chunked encoding.[1] The proxy-sendcl [2]
was set on the mod_proxy_uwsgi path just in case someone tried to send a
chunked request to the api server we would be able to handle it. It
tells apache to locally cache the chunked request and send the
content-length as a normal upload to the upstream server. However, if we
can only set it globally across then small potential benefit is not worth
having all glance uploads cached by apache. This commit just removes
setting the flag. In the future if we can have devstack isolate this
flag it might be worth adding back to the mod_proxy_uwsgi path, but for
right now it's not worth the tradeoff.

[1] https://github.com/unbit/uwsgi/issues/1540
[2] https://httpd.apache.org/docs/2.4/mod/mod_proxy.html#request-bodies

Depends-On: Idf6b4b891ba31cccbeb53d373b40fce5380cea64
Change-Id: Iab2e2848877fa1497008d18c05b0154892941589
Closes-Bug: #1709970
This commit is contained in:
Matthew Treinish 2017-08-10 14:55:15 -04:00
parent 7acc29ba9a
commit a3488d5f00
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1 changed files with 1 additions and 1 deletions

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@ -277,7 +277,6 @@ function write_uwsgi_config {
else
local apache_conf=""
apache_conf=$(apache_site_config_for $name)
echo "SetEnv proxy-sendcl 1" | sudo tee $apache_conf
iniset "$file" uwsgi socket "$socket"
iniset "$file" uwsgi chmod-socket 666
echo "ProxyPass \"${url}\" \"unix:${socket}|uwsgi://uwsgi-uds-${name}/\" retry=0 " | sudo tee -a $apache_conf
@ -335,6 +334,7 @@ function write_local_uwsgi_http_config {
local apache_conf=""
apache_conf=$(apache_site_config_for $name)
echo "KeepAlive Off" | sudo tee $apache_conf
echo "SetEnv proxy-sendchunked 1" | sudo tee -a $apache_conf
echo "ProxyPass \"${url}\" \"http://127.0.0.1:$port\" retry=0 " | sudo tee -a $apache_conf
enable_apache_site $name
restart_apache_server