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autoscaler
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Cleanup how multi-string flags are handled in main()

This commit is contained in:
Łukasz Osipiuk 2018-05-28 16:44:04 +02:00
parent 35f3c92a70
commit 53fc344eca
1 changed files with 19 additions and 12 deletions
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31
cluster-autoscaler/main.go
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@ -66,10 +66,13 @@ func (flag *MultiStringFlag) Set(value string) error {
return nil
}
var (
nodeGroupsFlag MultiStringFlag
nodeGroupAutoDiscoveryFlag MultiStringFlag
func multiStringFlag(name string, usage string) *MultiStringFlag {
value := new(MultiStringFlag)
flag.Var(value, name, usage)
return value
}
var (
clusterName = flag.String("cluster-name", "", "Autoscaled cluster name, if available")
address = flag.String("address", ":8085", "The address to expose prometheus metrics.")
kubernetes = flag.String("kubernetes", "", "Kubernetes master location. Leave blank for default")
@ -116,6 +119,16 @@ var (
maxTotalUnreadyPercentage = flag.Float64("max-total-unready-percentage", 45, "Maximum percentage of unready nodes in the cluster. After this is exceeded, CA halts operations")
okTotalUnreadyCount = flag.Int("ok-total-unready-count", 3, "Number of allowed unready nodes, irrespective of max-total-unready-percentage")
maxNodeProvisionTime = flag.Duration("max-node-provision-time", 15*time.Minute, "Maximum time CA waits for node to be provisioned")
nodeGroupsFlag = multiStringFlag(
"nodes",
"sets min,max size and other configuration data for a node group in a format accepted by cloud provider. Can be used multiple times. Format: <min>:<max>:<other...>")
nodeGroupAutoDiscoveryFlag = multiStringFlag(
"node-group-auto-discovery",
"One or more definition(s) of node group auto-discovery. "+
"A definition is expressed `<name of discoverer>:[<key>[=<value>]]`. "+
"The `aws` and `gce` cloud providers are currently supported. AWS matches by ASG tags, e.g. `asg:tag=tagKey,anotherTagKey`. "+
"GCE matches by IG name prefix, and requires you to specify min and max nodes per IG, e.g. `mig:namePrefix=pfx,min=0,max=10` "+
"Can be used multiple times.")
estimatorFlag = flag.String("estimator", estimator.BinpackingEstimatorName,
"Type of resource estimator to be used in scale up. Available values: ["+strings.Join(estimator.AvailableEstimators, ",")+"]")
@ -150,7 +163,7 @@ func createAutoscalingOptions() context.AutoscalingOptions {
return context.AutoscalingOptions{
CloudConfig: *cloudConfig,
CloudProviderName: *cloudProviderFlag,
NodeGroupAutoDiscovery: nodeGroupAutoDiscoveryFlag,
NodeGroupAutoDiscovery: *nodeGroupAutoDiscoveryFlag,
MaxTotalUnreadyPercentage: *maxTotalUnreadyPercentage,
OkTotalUnreadyCount: *okTotalUnreadyCount,
EstimatorName: *estimatorFlag,
@ -163,7 +176,7 @@ func createAutoscalingOptions() context.AutoscalingOptions {
MinCoresTotal: minCoresTotal,
MaxMemoryTotal: maxMemoryTotal,
MinMemoryTotal: minMemoryTotal,
NodeGroups: nodeGroupsFlag,
NodeGroups: *nodeGroupsFlag,
ScaleDownDelayAfterAdd: *scaleDownDelayAfterAdd,
ScaleDownDelayAfterDelete: *scaleDownDelayAfterDelete,
ScaleDownDelayAfterFailure: *scaleDownDelayAfterFailure,
@ -282,13 +295,7 @@ func main() {
leaderElection.LeaderElect = true
bindFlags(&leaderElection, pflag.CommandLine)
flag.Var(&nodeGroupsFlag, "nodes", "sets min,max size and other configuration data for a node group in a format accepted by cloud provider."+
"Can be used multiple times. Format: <min>:<max>:<other...>")
flag.Var(&nodeGroupAutoDiscoveryFlag, "node-group-auto-discovery", "One or more definition(s) of node group auto-discovery. "+
"A definition is expressed `<name of discoverer>:[<key>[=<value>]]`. "+
"The `aws` and `gce` cloud providers are currently supported. AWS matches by ASG tags, e.g. `asg:tag=tagKey,anotherTagKey`. "+
"GCE matches by IG name prefix, and requires you to specify min and max nodes per IG, e.g. `mig:namePrefix=pfx,min=0,max=10` "+
"Can be used multiple times.")
kube_flag.InitFlags()
healthCheck := metrics.NewHealthCheck(*maxInactivityTimeFlag, *maxFailingTimeFlag)