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Don't cache images when --vmdriver=none #4059

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merged 5 commits into from
Apr 10, 2019
Merged

Don't cache images when --vmdriver=none #4059

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3db7e9e
Don't cache images when --vmdriver=none
marcosdiez Apr 5, 2019
9bc73eb
code comments
marcosdiez Apr 5, 2019
3deee63
removed line as requested
marcosdiez Apr 6, 2019
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shorter comment
marcosdiez Apr 10, 2019
8f5fe19
politically correct comment
marcosdiez Apr 10, 2019
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7 changes: 6 additions & 1 deletion cmd/minikube/cmd/start.go
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Original file line number Diff line number Diff line change
Expand Up @@ -135,7 +135,7 @@ func init() {
startCmd.Flags().String(networkPlugin, "", "The name of the network plugin")
startCmd.Flags().Bool(enableDefaultCNI, false, "Enable the default CNI plugin (/etc/cni/net.d/k8s.conf). Used in conjunction with \"--network-plugin=cni\"")
startCmd.Flags().String(featureGates, "", "A set of key=value pairs that describe feature gates for alpha/experimental features.")
startCmd.Flags().Bool(cacheImages, true, "If true, cache docker images for the current bootstrapper and load them into the machine.")
startCmd.Flags().Bool(cacheImages, true, "If true, cache docker images for the current bootstrapper and load them into the machine. Always false with --vm-driver=none.")
startCmd.Flags().Var(&extraOptions, "extra-config",
`A set of key=value pairs that describe configuration that may be passed to different components.
The key should be '.' separated, and the first part before the dot is the component to apply the configuration to.
Expand Down Expand Up @@ -174,6 +174,11 @@ func runStart(cmd *cobra.Command, args []string) {
exit.WithError("Failed to generate config", err)
}

if viper.GetString(vmDriver) == constants.DriverNone {
// Optimization: images will be persistently loaded into the host's container runtime, so no need to duplicate work.
viper.Set(cacheImages, false)
}

var cacheGroup errgroup.Group
beginCacheImages(&cacheGroup, k8sVersion)

Expand Down