Modify the loadbalancing for east-west traffic to use direct routing
rather than NAT and update tasks to use direct service return under
linux. This avoids hiding the source address of the sender and improves
the performance in single-client/single-server tests.
Signed-off-by: Chris Telfer <ctelfer@docker.com>
Since SvcStats represents the stats for a `Service`, we don't want
to reuse that struct in the `Destination` (for no other reason than
incompatible nomenclature). So this patch adds a `DstStats` struct
to hold the Destination stats.
In case the file descriptor of the netlink socket is closed
the recvfrom is not returning. This may create deadlock conditions.
The current solution is to make sure that all the netlink socket used
have a proper timeout set on them to have the possibility to return
Added test to emulate the watchMiss condition
Signed-off-by: Flavio Crisciani <flavio.crisciani@docker.com>
- Do not relay on software flags to decide when to create the
virtual service. Instead query the kernel for presence.
So that it cannot happen that a real server creation
fails because the virtual server is missing.
Signed-off-by: Alessandro Boch <aboch@docker.com>
This fix tries to fix logrus formatting by removing `f` from
`logrus.[Error|Warn|Debug|Fatal|Panic|Info]f` when formatting string
is not present.
Also fix import name to use original project name 'logrus' instead of
'log'
Signed-off-by: Daehyeok Mun <daehyeok@gmail.com>
Ingress load balancer is achieved via a service sandbox which acts as
the proxy to translate incoming node port requests and mapping that to a
service entry. Once the right service is identified, the same internal
loadbalancer implementation is used to load balance to the right backend
instance.
Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
This PR adds support for loadbalancing across a group of endpoints that
share the same service configuration as passed in by
`OptionService`. The loadbalancer is implemented using ipvs with just
round robin scheduling supported for now.
Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
