Comments (6)
The update engine was turned off because the development node user-experience becomes nodes that always download image / restart of first boot, because the vagrant box itself (or ami) is not being updated (just the os inside the VM itself, until it is destroyed). Technically this is fine, but during development it can get in the way when frequently destroying/creating nodes, and consuming off the "alpha" channel which is updated nearly weekly.
We can definitely leave issue open so we can track progress toward a better solution than hard-coding. Would exposing the update strategy (https://coreos.com/os/docs/latest/update-strategies.html) as a deployment configurable better suit your use-cases?
from coreos-kubernetes.
Thanks for the info. Are the clusters created by kube-aws intended for development? It seems odd to optimize for that if not. If there are significant differences in a development cluster and a production cluster, perhaps they should be exposed as two different configurations/flavors. Making it configurable is probably a good idea in any case.
from coreos-kubernetes.
The initial optimization was around easily deploying a fully-functioning Kubernetes cluster on AWS.
The tool can be used for deploying production clusters, but there will generally be customization on the deployers end (e.g. TLS assets). Moving forward, we need to figure out reasonable defaults / more easily expose common configurations (like update strategy).
Also, just to note, you can use the kube-aws tool to render completely custom assets, so all configuration can be changed if a specific option is not yet easily exposed (https://github.com/coreos/coreos-kubernetes/tree/v0.1.0/multi-node/aws#custom-kubernetes-manifests).
from coreos-kubernetes.
+1. Other than TLS (which needs better docs for use in production) and this issue (CoreOS updates disabled), what else is missing from a production deployment?
Alternately, if this project is targeted at developers taking CoreOS + Kubernetes for a test drive rather than meant for use in production, please make this absolutely clear in the docs.
from coreos-kubernetes.
See this issue for a production quality checklist - #340
from coreos-kubernetes.
Noticed the same issue using the generic scripts for a custom setup.
systemctl stop update-engine; systemctl mask update-engine
For the general scripts seem like a poor default.
Using a flag like is done with export USE_CALICO=false
seems better.
from coreos-kubernetes.
Related Issues (20)
- multi-node/generic/: Unexpected error configuring flannel pod network on VPS
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- Output: mount: unknown filesystem type 'glusterfs'
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- CoreOS hyperkube v1.9.0_coreos.0: No ipset utility, IPVS proxy mode fails HOT 17
- No hyperkube for v1.7.12? HOT 3
- Container Linux, kubernetes and CRI-O HOT 1
- Conformance tests use github.com/jteeuwen/go-bindata
- /usr/bin/kubelet: No such file or directory on 1662
- Calico Pod CrashLoopBackOff on Worker Nodes
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- kubeadm cluster-ip unreachable HOT 1
- Kubelet-Wrapper does not see mounts below hostmount HOT 1
- r
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