Can cURL send requests to sockets?
The feature was added in curl 7.40
.
curl --unix-socket /var/run/docker.sock http:/images/json
Another example:
curl --no-buffer -XGET --unix-socket /docker.sock http:/events
Which specifies the GET
explicitly (rather than assumed). And will not buffer (for tail -f
realtime update).
(The first Ubuntu release to ship with curl 7.40 or newer was 15.10).
cURL 7.50 and up requires a valid URL to be provided, including a hostname, so to run the above examples with cURL 7.50, a "dummy" hostname has to be added, for example:
curl --unix-socket /var/run/docker.sock http://localhost/images/json
and
curl --no-buffer -XGET --unix-socket /docker.sock http://localhost/events
Not sure, but as per this ticket:
- http://sourceforge.net/p/curl/feature-requests/53/
it doesn't seem to be the case.
Per this:
- https://gist.github.com/nuxlli/7553996
seems like socat or nc can do it, snip from the above snip:
# Socat version
echo -e "GET /images/json HTTP/1.1\r\n" | socat unix-connect:/var/run/docker.sock STDIO
# nc version (netcat-freebsd)
echo -e "GET /images/json HTTP/1.0\r\n" | nc -U /var/run/docker.sock
Haven't tried either myself.