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This fix allows the Traefik Rancher provider to obtain a complete view
of the environments, services and containers being managed by the
Rancher deployment.
- Split the file into smaller ones (docker, swarm and service tests)
- Use some builder to reduce a little bit the noise for creating containers
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
* Abort Kubernetes Ingress update if Kubernetes API call fails
Currently if a Kubernetes API call fails we potentially remove a working service from Traefik. This changes it so if a Kubernetes API call fails we abort out of the ingress update and use the current working config. Github issue: #1240
Also added a test to cover when requested resources (services and endpoints) that the user has specified don’t exist.
* Specifically capturing the tc range as documented here: https://blog.golang.org/subtests
* Updating service names in the mock data to be more clear
* Updated expected data to match what currently happens in the loadIngress
* Adding a blank Servers to the expected output so we compare against that instead of nil.
* Replacing the JSON test output with spew for the TestMissingResources test to help ensure we have useful output incase of failures
* Adding a temporary fix to the GetEndoints mocked function so we can override the return value for if the endpoints exist.
After the 1.2 release the use of properExists should be removed and the GetEndpoints function should return false for the second value indicating the endpoint doesn’t exist. However at this time that would break a lot of the tests.
* Adding quick TODO line about removing the properExists property
* Link to issue 1307 re: properExists flag.
If the ECS cluster has > 100 tasks, passing them to
ecs.DescribeTasksRequest() will result in the AWS API returning
errors.
This patch breaks them into chunks of at most 100, and calls
DescribeTasks for each chunk.
We also return early in case ListTasks returns no values; this
prevents DescribeTasks from throwing HTTP errors.
Currently with a kv tree like:
/traefik/backends/b1/servers/ẁeb1
/traefik/backends/b1/servers/web2
/traefik/backends/b1/servers/web2/url
Traefik would try to forward traffic to web1, which is impossible as
traefik doesn't know the url of web1.
This commit solve that, by ignoring backend server with no url "key"
when generating the config.
This is very useful, for people who use etcd TTL feature. They can then
just "renew" the url key every X second, and if the server goes down, it
is automatic removed from traefik after the TTL.
Signed-off-by: Taylor Skinner <tskinn12@gmail.com>
add some comments
Signed-off-by: Taylor Skinner <tskinn12@gmail.com>
update readmes
make test runnable
Signed-off-by: Taylor Skinner <tskinn12@gmail.com>
make test
squash! add dynamo
add glide.lock
format imports
gofmt
update glide.lock
fixes for review
golint
clean up and reorganize tests
add dynamodb integration test
remove default region. clean up tests. consistent docs
forgot the region is required
DRY
make validate
update readme and commit dependencies
- traefik.mycustomservice.port=443
- traefik.mycustomservice.frontend.rule=Path:/mycustomservice
- traefik.anothercustomservice.port=8080
- traefik.anothercustomservice.frontend.rule=Path:/anotherservice
all traffic to frontend /mycustomservice is redirected to the port 443 of the container while using /anotherservice will redirect to the port 8080 of the docker container
More documentation in the docs/toml.md file
Change-Id: Ifaa3bb00ef0a0f38aa189e0ca1586fde8c5ed862
Signed-off-by: Florent BENOIT <fbenoit@codenvy.com>
Detect whether in-cluster or cluster-external Kubernetes client should
be used based on the KUBERNETES_SERVICE_{HOST,PORT} environment
variables.
Adds bearer token and CA certificate file path parameters.
In Swarm mode with with Docker Swarm’s Load Balancer disabled (traefik.backend.loadbalancer.swarm=false)
service name will be the name of the docker service and name will be the container task name
(e.g. whoami0.1). When generating backend and fronted rules, we will use service name instead of name if a
rule is not provided.
Initialize dockerData.ServiceName to dockerData.Name to support non-swarm mode.
SWARM Mode has it's own built in Load balancer, so if we want to leverage sticky sessions,
or if we would just prefer to bypass it and go directly to the containers (aka tasks), via
--label traefik.backend.disable.swarm.loadbalancer=true
then we need to let Traefik know about the underlying tasks and register them as
services within it's backend.
The IP-Per-Task PR introduced a bug using the marathon application
port mapping. This port should be used only in the proxy server, the
downstream connection should be always made with the task port.
This commit fix the regression and adds a unit test to prevent new
problems in this setup.
Only use one channel for all watches
Re-use stop channel from the provider
Skip events that have already been handled by the provider, builds on 007f8cc48e
On a reasonably sized cluster:
63 nodes
87 services
90 endpoints
The initialization of the k8s provider would hang.
I tracked this down to the ResourceEventHandlerFuncs. Once you reach the
channel buffer size (10) the k8s Informer gets stuck. You can't read or
write messages to the channel anymore. I think this is probably a lock
issue somewhere in k8s but the more reasonable solution for the traefik
usecase is to just drop events when the queue is full since we only use
the events for signalling, not their content, thus dropping an event
doesn't matter.
Add compatibility with labels: `HAPROXY_GROUP` and `HAPROXY_0_VHOST`.
* `HAPROXY_GROUP` become a new tag
* `HAPROXY_0_VHOST` become a rule `Host:`
https://github.com/mesosphere/marathon-lb
- React to health_status events
- Filter container that have a health status *and* that are not healthy
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
This change adds sticky session support, by using the new
oxy/rr/StickySession feature.
To use it, set traefik.backend.sticky to true.
This is currently only implemented in the wrr load balancer, and against
the Marathon backend, but lifting it should be very doable.
In the wrr load balancer, a cookie called _TRAEFIK_SERVERNAME will be
set with the backend to use. If the cookie is altered to an invalid
backend server, or the server is removed from the load balancer, the
next server will be used instead.
Otherwise, the cookie will be checked in Oxy's rr on access and if valid
the connection will be wired through to it.
Initial implementation: Force both to be present to trigger behavior.
add ability to see rendered template in debug
add support for loadbalancer and circuit breaker specification
add documentation for new configuration
Healthcheck are not mandatory, so if a result is not present, assume it
is ok to continue. Fixes the case when a new leader is elected and
don't have any healthcheck result's, returning 404 to all requests.
https://github.com/containous/traefik/issues/653
We added the ability to filter the ingresses used by traefik based
on a label selector, but we shouldn't need to have matching
labels on every other resource, Ingress allready has a way
to explicty choose which pods end up in the load ballancer
(by refering to the membership of a particular service)
The TargetRef contains information from the object referenced
by the pod, unless the service has been set up with bare
endpoints - i.e. not pointing at pods this information
will be present.
It just makes the information that we show in the web-ui
a little more constent with that shown in kubectl
and the kuberntes dashboard.
… making it possible to use in other packages ; and thus in the
User-Agent header for the docker client.
Also removing the dockerverion hack as it's not required anymore.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
The watch of consul can return for various reasons and not of all of
them require a reload of the config. The order of nodes provided by
consul is not stable so to ensure a identical config is generated for an
identical server set the nodes needs to be sorted before creating the
config.
… and also share context accross API call, as this is how it's meant to
be used (and it allows to skip some calls if `cancel` is called).
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
add flag on Retry
set Retry.MaxMem to 2 by default
rm useless import
rm useless structtag
add custom parser on []acme.Domain type
add commants + refactor
Since we already know the name and namespace
of the service(s) we want we can just get the
correct one back from the API without filtering
the results.
* Potentialy saves a network hop
* Ability to configure LB algothim (given some work to expose an
anotation etc...)
* K8s config Watch is triggered far less often
By design k8s ingress is only designed to ballance services from within
the namespace of the ingress.
This is disscuessed a little in
https://github.com/kubernetes/kubernetes/issues/17088.
For now traefik should only reference the services in the current
namespace. For me this was a confusing change of behaviour
from the reference implimentations, as I have services
with the same name in each namespace.
Another fun thing consul lets you do is use spaces in your tags. This
means when including tags in backend name it's possible to generate
invalid names.
If the flag kubernetes.namespaces is set...
Then we only select ingresses from that/those namespace(s)
This allows multiple instances of traefik to
independently load balance for each namespace.
This could be for logical or security reasons.
Addresses #336
The docker provider now uses docker/engine-api and
vdemeester/docker-events instead of fsouza-dockerclient.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
- libkv.WatchTree returns a channel whose messages represent changes
to the watched tree. In situations where libkv cannot read from the
underlying store, libkv will close the provided channel.
- This PR handles this edge case and fixes#238.
- Add a `baseProvider` struct with common
- Refactor docker, kv(s) and marathon providers (spliting into small pieces)
- Add unit tests
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Using Docker provider, you can specify `traefik.frontend.rule` and
`traefik.frontend.value` labels. If they are not both provided, there is
a default behavior. On the current master, if they are not defined, the
container is filtered (and thus the default behavior is broken).
Fixes that.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Split a bit traefik into package. The idea behind this refactor is to
start move inter-dependencies away and do some DRY or SRP.
- Adds a `provider` package, with providers except `web.go`
- Adds a `types` package with common struct.
- Move `gen.go` to an `autogen` package
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
