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| author | Rémy Coutable <remy@rymai.me> | 2019-08-01 17:52:19 +0200 |
|---|---|---|
| committer | Rémy Coutable <remy@rymai.me> | 2019-08-01 17:53:03 +0200 |
| commit | aaefcb9c7e7e447a4434915ab3a84664a7f0dd4f (patch) | |
| tree | 62fb551c1dac0bf130aeff644f14f6bf47b5e958 | |
| parent | 536ebecf7eec95bd2cc1b542f1c35d70f814731e (diff) | |
| download | gitlab-ce-aaefcb9c7e7e447a4434915ab3a84664a7f0dd4f.tar.gz | |
Document the current state of the Review App clusters
Signed-off-by: Rémy Coutable <remy@rymai.me>
| -rw-r--r-- | doc/development/testing_guide/review_apps.md | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/doc/development/testing_guide/review_apps.md b/doc/development/testing_guide/review_apps.md index 96761622cfe..d07a7045390 100644 --- a/doc/development/testing_guide/review_apps.md +++ b/doc/development/testing_guide/review_apps.md @@ -115,6 +115,28 @@ On every [pipeline][gitlab-pipeline] in the `qa` stage, the browser performance testing using a [Sitespeed.io Container](../../user/project/merge_requests/browser_performance_testing.md). +## Cluster configuration + +### Node pools + +Both `review-apps-ce` and `review-apps-ee` clusters are currently set up with +two node pools: + +- a node pool of non-preemptible `n1-standard-2` (2 vCPU, 7.5 GB memory) nodes + dedicated to the `tiller` deployment (see below) with a single node. +- a node pool of preemptible `n1-standard-2` (2 vCPU, 7.5 GB memory) nodes, + with a minimum of 1 node and a maximum of 250 nodes. + +### Helm/Tiller + +The `tiller` deployment (the Helm server) is deployed to a dedicated node pool +that has the `app=helm` label and a specific +[taint](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/) +to prevent other pods from being scheduled on this node pool. + +This is to ensure Tiller isn't affected by "noisy" neighbors that could put +their node under pressure. + ## How to: ### Log into my Review App @@ -241,15 +263,6 @@ thousands of unused Docker images.** CNG-mirror project to store these Docker images so that we can just wipe out the registry at some point, and use a new fresh, empty one. -**How big are the Kubernetes clusters (`review-apps-ce` and `review-apps-ee`)?** - - > The clusters are currently set up with a single pool of preemptible nodes, - with a minimum of 1 node and a maximum of 500 nodes. - -**What are the machine running on the cluster?** - - > We're currently using `n1-standard-1` (1 vCPU, 3.75 GB memory) machines. - **How do we secure this from abuse? Apps are open to the world so we need to find a way to limit it to only us.** |