Sort out the best method of spinning up multiple toolforge kubernetes masters
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	• Bstorm
	Feb 7 2019, 4:32 PM

Description

This is just to track the experiments instead of doing them all quietly, and to note what doesn't work. So far, we've been testing deploys with kubeadm, and we need to make sure that there is a path there for an HA cluster.

Details

	Subject	Repo	Branch	Lines +/-
	toolforge-k8s: set up an haproxy load balancer for HA api servers	operations/puppet	production	+60 -0

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Related Objects
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Status	Assigned	Task
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Resolved	• Bstorm	T246122 Upgrade the Toolforge Kubernetes cluster to v1.16
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Resolved	bd808	T232536 Toolforge Kubernetes internal API down, causing `webservice` and other tooling to fail
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Resolved	• Bstorm	T166949 Homedir/UID info breaks after a while in Tools Kubernetes (can't read replica.my.cnf)
Resolved	• Bstorm	T246059 Add admin account creation to maintain-kubeusers
Resolved	• Bstorm	T154504 Make webservice backend default to kubernetes
Declined	None	T245230 Investigate cpu/ram requests and limits for DaemonSets pods
Resolved	• Bstorm	T214513 Deploy and migrate tools to a Kubernetes v1.15 or newer cluster
Resolved	aborrero	T142862 Setup Kubernetes Masters in a HA setup
Resolved	aborrero	T215530 Sort out the best method of spinning up multiple toolforge kubernetes masters
Resolved	aborrero	T215679 Sort out and test deploying the worker nodes in a sane fashion
Resolved	• Bstorm	T215529 Puppetize/stand up a load balancer for K8s API servers
Resolved	aborrero	T215975 Package/copy kubeadm, kubelet, docker-ce and kubectl to Toolforge Aptly or Reprepro

Event Timeline

• Bstorm triaged this task as High priority.Feb 7 2019, 4:32 PM

• Bstorm created this task.

Ah ok https://kubernetes.io/docs/setup/independent/high-availability/

bd808 removed a project: Goal.Feb 10 2019, 8:49 PM

First step is the load balancer to act as endpoint.

Change 490201 had a related patch set uploaded (by Bstorm; owner: Bstorm):
[operations/puppet@production] toolforge-k8s: set up an haproxy load balancer for HA api servers

https://gerrit.wikimedia.org/r/490201

gerritbot added a project: Patch-For-Review.Feb 12 2019, 10:29 PM

• Bstorm removed a parent task: T215529: Puppetize/stand up a load balancer for K8s API servers.Feb 12 2019, 10:32 PM

• Bstorm added a subtask: T215529: Puppetize/stand up a load balancer for K8s API servers.

Change 490201 merged by Bstorm:
[operations/puppet@production] toolforge-k8s: set up an haproxy load balancer for HA api servers

https://gerrit.wikimedia.org/r/490201

• GTirloni unsubscribed.Mar 21 2019, 9:06 PM

Maintenance_bot removed a project: Patch-For-Review.May 22 2019, 3:18 PM

aborrero closed subtask T215975: Package/copy kubeadm, kubelet, docker-ce and kubectl to Toolforge Aptly or Reprepro as Resolved.Jul 1 2019, 10:25 AM