Update cluster.go (#600)

(cherry picked from commit 158b9db)

Author: vishalbollu

cli/cmd/cluster.go

@@ -267,7 +267,7 @@ func refreshCachedClusterConfig(awsCreds *AWSCredentials) *clusterconfig.Cluster
 	}
 
 	if userClusterConfig.Region == nil {
-		errors.Exit(fmt.Sprintf("unable to find %s; please configure \"%s\" to the s3 region of an existing cortex cluster or create a cortex cluster with `cortex cluster up`", clusterconfig.RegionKey, clusterconfig.RegionKey))
+		errors.Exit(fmt.Sprintf("unable to find an existing cortex cluster; please configure \"%s\" to the s3 region of an existing cortex cluster or create a cortex cluster with `cortex cluster up`", clusterconfig.RegionKey))
 	}
 
 	out, err := runRefreshClusterConfig(userClusterConfig, awsCreds)

pkg/lib/clusterconfig/clusterconfig.go

@@ -719,9 +719,10 @@ func (cc *ClusterConfig) UserFacingTable() []table.KV {
 	items = append(items, table.KV{K: BucketUserFacingKey, V: *cc.Bucket})
 	items = append(items, table.KV{K: SpotUserFacingKey, V: s.YesNo(*cc.Spot)})
 	items = append(items, table.KV{K: InstanceTypeUserFacingKey, V: *cc.InstanceType})
-	items = append(items, table.KV{K: InstanceVolumeSizeUserFacingKey, V: cc.InstanceVolumeSize})
 	items = append(items, table.KV{K: MinInstancesUserFacingKey, V: *cc.MinInstances})
 	items = append(items, table.KV{K: MaxInstancesUserFacingKey, V: *cc.MaxInstances})
+	items = append(items, table.KV{K: InstanceVolumeSizeUserFacingKey, V: cc.InstanceVolumeSize})
+
 	if cc.Spot != nil {
 		items = append(items, table.KV{K: InstanceDistributionUserFacingKey, V: cc.SpotConfig.InstanceDistribution})
 		items = append(items, table.KV{K: OnDemandBaseCapacityUserFacingKey, V: *cc.SpotConfig.OnDemandBaseCapacity})

pkg/lib/clusterconfig/config_key.go

@@ -62,7 +62,7 @@ const (
 	InstanceTypeUserFacingKey                        = "instance type"
 	MinInstancesUserFacingKey                        = "min instances"
 	MaxInstancesUserFacingKey                        = "max instances"
-	InstanceVolumeSizeUserFacingKey                  = "instance volume size"
+	InstanceVolumeSizeUserFacingKey                  = "instance volume size (Gi)"
 	InstanceDistributionUserFacingKey                = "spot instance distribution"
 	OnDemandBaseCapacityUserFacingKey                = "spot on demand base capacity"
 	OnDemandPercentageAboveBaseCapacityUserFacingKey = "spot on demand percentage above base capacity"