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Accept label to ignore nodes during upgrade

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RKE does a cluster scan to find the unreachable hosts, and if that number
is same as or exceeds maxUnavailable, upgrade won't proceed.
This commit introduces a label users can provide for their nodes so they
don't get counted as unavailable and are excluded from upgrade.
This commit also includes a couple of bug fixes
This commit is contained in:
rajashree
2020-02-14 09:40:23 -08:00
parent 92714e5523
commit 968a399f26
9 changed files with 197 additions and 77 deletions
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2
cluster/defaults.go
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@@ -200,7 +200,7 @@ func (c *Cluster) setClusterDefaults(ctx context.Context, flags ExternalFlags) e
func (c *Cluster) setNodeUpgradeStrategy() {
if c.UpgradeStrategy == nil {
logrus.Info("No input provided for maxUnavailable, setting it to default value of 10%")
logrus.Infof("No input provided for maxUnavailable, setting it to default value of %v", DefaultMaxUnavailable)
c.UpgradeStrategy = &v3.NodeUpgradeStrategy{
MaxUnavailable: DefaultMaxUnavailable,
}