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Add synthetic scale deployment mode

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New deploy modes: scale, ha-scale, separate-scale
Creates 200 fake hosts for deployment with fake hostvars.

Useful for testing certificate generation and propagation to other
master nodes.

Updated test cases descriptions.
This commit is contained in:
Matthew Mosesohn
2017-02-13 14:13:28 +03:00
parent b84cc14694
commit 9c1701f2aa
7 changed files with 71 additions and 24 deletions
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41
docs/test_cases.md
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@@ -4,25 +4,40 @@ Travis CI test matrix
GCE instances
-------------
Here is the test matrix for the Travis CI gates:
Here is the test matrix for the CI gates:
| Network plugin| OS type| GCE region| Nodes layout|
|-------------------------|-------------------------|-------------------------|-------------------------|
| canal| debian-8-kubespray| asia-east1-a| ha|
| canal| debian-8-kubespray| asia-east1-a| ha-scale|
| calico| debian-8-kubespray| europe-west1-c| default|
| flannel| centos-7| asia-northeast1-c| default|
| calico| centos-7| us-central1-b| ha|
| weave| rhel-7| us-east1-c| default|
| canal| coreos-stable| us-west1-b| default|
| canal| coreos-stable| us-west1-b| ha-scale|
| canal| rhel-7| asia-northeast1-b| separate|
| weave| ubuntu-1604-xenial| europe-west1-d| separate|
| calico| coreos-stable| us-central1-f| separate|
Where the nodes layout `default` is a non-HA two nodes setup with the separate `kube-node`
and the `etcd` group merged with the `kube-master`. The `separate` layout is when
there is only node of each type, which is a kube master, compute and etcd cluster member.
And the `ha` layout stands for a two etcd nodes, two masters and a single worker node,
partially intersecting though.
Node Layouts
------------
There are four node layout types: `default`, `separate`, `ha`, and `scale`.
`default` is a non-HA two nodes setup with one separate `kube-node`
and the `etcd` group merged with the `kube-master`.
`separate` layout is when there is only node of each type, which includes
a kube-master, kube-node, and etcd cluster member.
`ha` layout consists of two etcd nodes, two masters and a single worker node,
with role intersection.
`scale` layout can be combined with above layouts. It includes 200 fake hosts
in the Ansible inventory. This helps test TLS certificate generation at scale
to prevent regressions and profile certain long-running tasks. These nodes are
never actually deployed, but certificates are generated for them.
Note, the canal network plugin deploys flannel as well plus calico policy controller.
@@ -40,15 +55,15 @@ GCE instances
| Stage| Network plugin| OS type| GCE region| Nodes layout
|--------------------|--------------------|--------------------|--------------------|--------------------|
| part1| calico| coreos-stable| us-west1-b| separated|
| part1| calico| coreos-stable| us-west1-b| separate|
| part1| canal| debian-8-kubespray| us-east1-b| ha|
| part1| weave| rhel-7| europe-west1-b| default|
| part1| weave| rhel-7| europe-west1-b| scale|
| part2| flannel| centos-7| us-west1-a| default|
| part2| calico| debian-8-kubespray| us-central1-b| default|
| part2| canal| coreos-stable| us-east1-b| default|
| special| canal| rhel-7| us-east1-b| separated|
| special| weave| ubuntu-1604-xenial| us-central1-b| separated|
| special| calico| centos-7| europe-west1-b| ha|
| special| canal| rhel-7| us-east1-b| separate|
| special| weave| ubuntu-1604-xenial| us-central1-b| scale|
| special| calico| centos-7| europe-west1-b| ha-scale|
| special| weave| coreos-alpha| us-west1-a| ha|
The "Stage" means a build step of the build pipeline. The steps are ordered as `part1->part2->special`.