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14 commits

Author SHA1 Message Date
Peter Waller
9c2374d196 Move /nat to /pkg/nat
By convention /pkg is safe to use from outside the docker tree, for example
if you're building a docker orchestrator.

/nat currently doesn't have any dependencies outside of /pkg, so it seems
reasonable to move it there.

This rename was performed with:

```
gomvpkg -vcs_mv_cmd="git mv {{.Src}} {{.Dst}}" \
	-from github.com/docker/docker/nat \
        -to   github.com/docker/docker/pkg/nat

```

Signed-off-by: Peter Waller <p@pwaller.net>
2015-06-30 17:43:17 +01:00
Jana Radhakrishnan
d18919e304 Docker integration with libnetwork
- Updated Dockerfile to satisfy libnetwork GOPATH requirements.
    - Reworked daemon to allocate network resources using libnetwork.
    - Reworked remove link code to also update network resources in libnetwork.
    - Adjusted the exec driver command population to reflect libnetwork design.
    - Adjusted the exec driver create command steps.
    - Updated a few test cases to reflect the change in design.
    - Removed the dns setup code from docker as resolv.conf is entirely managed
      in libnetwork.
    - Integrated with lxc exec driver.

Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
2015-05-19 22:40:19 +00:00
Jiri Popelka
6e8cfd63fc Fix firewalld callback.
It needs to be called with same args as the one 4 lines above.

Signed-off-by: Jiri Popelka <jpopelka@redhat.com>
2015-05-07 10:08:49 +02:00
Doug Davis
bc149be69c A fix for = in env values in linked containers
Closes: #12763

Signed-off-by: Doug Davis <dug@us.ibm.com>
2015-04-25 04:42:43 -07:00
Jiri Popelka
b052827e02 React to firewalld's reload/restart
When firewalld (or iptables service) restarts/reloads,
all previously added docker firewall rules are flushed.

With firewalld we can react to its Reloaded() [1]
D-Bus signal and recreate the firewall rules.
Also when firewalld gets restarted (stopped & started)
we can catch the NameOwnerChanged signal [2].
To specify which signals we want to react to we use AddMatch [3].

Libvirt has been doing this for quite a long time now.

Docker changes firewall rules on basically 3 places.
1) daemon/networkdriver/portmapper/mapper.go - port mappings
   Portmapper fortunatelly keeps list of mapped ports,
   so we can easily recreate firewall rules on firewalld restart/reload
   New ReMapAll() function does that
2) daemon/networkdriver/bridge/driver.go
   When setting a bridge, basic firewall rules are created.
   This is done at once during start, it's parametrized and nowhere
   tracked so how can one know what and how to set it again when
   there's been firewalld restart/reload ?
   The only solution that came to my mind is using of closures [4],
   i.e. I keep list of references to closures (anonymous functions
   together with a referencing environment) and when there's firewalld
   restart/reload I re-call them in the same order.
3) links/links.go - linking containers
   Link is added in Enable() and removed in Disable().
   In Enable() we add a callback function, which creates the link,
   that's OK so far.
   It'd be ideal if we could remove the same function from
   the list in Disable(). Unfortunatelly that's not possible AFAICT,
   because we don't know the reference to that function
   at that moment, so we can only add a reference to function,
   which removes the link. That means that after creating and
   removing a link there are 2 functions in the list,
   one adding and one removing the link and after
   firewalld restart/reload both are called.
   It works, but it's far from ideal.

[1] https://jpopelka.fedorapeople.org/firewalld/doc/firewalld.dbus.html#FirewallD1.Signals.Reloaded
[2] http://dbus.freedesktop.org/doc/dbus-specification.html#bus-messages-name-owner-changed
[3] http://dbus.freedesktop.org/doc/dbus-specification.html#message-bus-routing-match-rules
[4] https://en.wikipedia.org/wiki/Closure_%28computer_programming%29

Signed-off-by: Jiri Popelka <jpopelka@redhat.com>
2015-04-20 13:02:09 +02:00
Antonio Murdaca
7560018541 Remove engine from links
Signed-off-by: Antonio Murdaca <me@runcom.ninja>
2015-04-12 16:25:10 +02:00
Tibor Vass
53582321ee Remove jobs from daemon/networkdriver/bridge
Signed-off-by: Tibor Vass <tibor@docker.com>
2015-04-08 18:50:29 -04:00
Srini Brahmaroutu
611a23aa7f Env Variables created for each of the ports in addition to env variables for port ranges, regression from #1834
Closes #9900
Signed-off-by: Srini Brahmaroutu <srbrahma@us.ibm.com>
2015-01-15 19:16:31 +00:00
Porjo
cc89b30d35 Move per-container forward rules to DOCKER chain
Docker-DCO-1.1-Signed-off-by: Ian Bishop <ianbishop@pace7.com> (github: porjo)
2014-12-21 12:57:32 +10:00
Srini Brahmaroutu
fd774a818c adding support for port ranges on --expose
Closes #1834

Signed-off-by: Srini Brahmaroutu <srbrahma@us.ibm.com>
2014-10-31 23:06:30 +00:00
Victor Vieux
b3ee9ac74e update go import path and libcontainer
Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
2014-07-24 22:19:50 +00:00
Jonathan Camp
6e74754a50 Replace dashes in link name with underscores
Docker-DCO-1.1-Signed-off-by: Jonathan Camp <jonathan@irondojo.com> (github: kung-foo)
2014-06-24 09:04:02 +02:00
Tianon Gravi
b3ffc1f835 Extract our default PATH value to a constant for great reuse
Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
2014-02-22 20:01:45 -07:00
Michael Crosby
147b09fae9 Move links to sub pkg
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-14 18:18:16 -08:00
Renamed from links.go (Browse further)