Add nodes-min and nodes-max flags in ng scale #2022
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@martina-if @cPu1 for your input and review, happy to address any comment you have 👍 |
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May 11, 2020
pkg/cfn/manager/nodegroup.go
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| changed := ng.DesiredCapacity != nil && int64(*ng.DesiredCapacity) != currentCapacity.Int() | ||
| changed = changed || (ng.MinSize != nil && (int64(*ng.MinSize) != currentMinSize.Int())) | ||
| changed = changed || (ng.MaxSize != nil && (int64(*ng.MaxSize) != currentMaxSize.Int())) | ||
| if !changed { |
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Alternatively:
hasChanged := func(desiredVal *int, currentVal gjson.Result) bool {
return desiredVal != nil && int64(*desiredVal) != currentVal.Int()
}
changed := hasChanged(ng.DesiredCapacity, currentCapacity) || hasChanged(ng.MaxSize, currentMaxSize) || hasChanged(ng.MinSize, currentMinSize)There was a problem hiding this comment.
oh good one, I like this inline function style 💯
martina-if
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May 13, 2020
Assumption: - nodes flag is mandatory - perform any validation asap and fail fast instead of relying on CF - cluster config file support will not be out of scope for this PR
+ Use inline function to detect changes + Use inline function to update CF stack
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Now `--nodes-max` gets set to the same value as `--nodes` by default. Ref: eksctl-io/eksctl#2022 Signed-off-by: Michi Mutsuzaki <[email protected]>
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- Create a cluster with `--without-nodegroup` option and create a node group after deploying Cilium. - Change the cluster name to `test-cluster` in the ENI getting started so it can use the same "Create a nodegroup" section as the EKS guide. Ref: eksctl-io/eksctl#2022 Signed-off-by: Michi Mutsuzaki <[email protected]>
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- Create a cluster with `--without-nodegroup` option and create a node group after deploying Cilium. - Change the cluster name to `test-cluster` in the ENI getting started so it can use the same "Create a nodegroup" section as the EKS guide. Ref: eksctl-io/eksctl#2022 Signed-off-by: Michi Mutsuzaki <[email protected]>
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[ upstream commit 5f1bec8 ] - Create a cluster with `--without-nodegroup` option and create a node group after deploying Cilium. - Change the cluster name to `test-cluster` in the ENI getting started so it can use the same "Create a nodegroup" section as the EKS guide. Ref: eksctl-io/eksctl#2022 Signed-off-by: Michi Mutsuzaki <[email protected]> Signed-off-by: Tobias Klauser <[email protected]>
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[ upstream commit 5f1bec8 ] - Create a cluster with `--without-nodegroup` option and create a node group after deploying Cilium. - Change the cluster name to `test-cluster` in the ENI getting started so it can use the same "Create a nodegroup" section as the EKS guide. Ref: eksctl-io/eksctl#2022 Signed-off-by: Michi Mutsuzaki <[email protected]> Signed-off-by: Tobias Klauser <[email protected]>
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Description
Fixes #1893
Fixes #809
Approach
I am having below assumptions/scopes while implementing this feature.
--nodesflag is mandatory flagfail fastapproach i.e. if there is anything wrong with input, just throw error instead of waiting for error from CF.Testing
invalid flag values
no change in current value
some changes with desired node, min or max
desired node is not within current range from CF
Checklist
README.md, or thesite/contentdirectory)area/nodegroup), target version (e.g.version/0.12.0) and kind (e.g.kind/improvement)