Add --percent-bar option to show bar for percentage

go.mod

@@ -11,6 +11,7 @@ toolchain go1.23.7
 require (
 	github.com/fatih/color v1.18.0
 	github.com/gdamore/tcell/v2 v2.8.1
+	github.com/mattn/go-runewidth v0.0.16
 	github.com/ohler55/ojg v1.12.8
 	github.com/onsi/gomega v1.36.2
 	github.com/oracle/coherence-go-client/v2 v2.1.0
@@ -31,7 +32,6 @@ require (
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
 	github.com/rivo/uniseg v0.4.3 // indirect
 	github.com/sagikazarmark/locafero v0.7.0 // indirect

pkg/cmd/formatting.go

@@ -10,6 +10,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"github.com/mattn/go-runewidth"
 	"github.com/oracle/coherence-cli/pkg/config"
 	"github.com/oracle/coherence-cli/pkg/constants"
 	"github.com/oracle/coherence-cli/pkg/utils"
@@ -1465,14 +1466,15 @@ func FormatMembers(members []config.Member, verbose bool, storageMap map[int]boo
 			fmt.Sprintf("Total cluster members: %d\n", memberCount) +
 				fmt.Sprintf("Storage enabled count: %d\n", storageCount) +
 				fmt.Sprintf("Departure count:       %d\n\n", departureCount) +
-				fmt.Sprintf("Cluster Heap - Total: %s Used: %s Available: %s (%4.1f%%)\n",
+				fmt.Sprintf("Cluster Heap - Total: %s Used: %s Available: %s - %s Avail\n",
 					strings.TrimSpace(formattingFunction(int64(totalMaxMemoryMB)*MB)),
 					strings.TrimSpace(formattingFunction(int64(totalUsedMB)*MB)),
-					strings.TrimSpace(formattingFunction(int64(totalAvailMemoryMB)*MB)), availablePercent) +
-				fmt.Sprintf("Storage Heap - Total: %s Used: %s Available: %s (%4.1f%%)\n\n",
+					strings.TrimSpace(formattingFunction(int64(totalAvailMemoryMB)*MB)),
+					formatPercent(float64(availablePercent/100))) +
+				fmt.Sprintf("Storage Heap - Total: %s Used: %s Available: %s - %s Avail\n\n",
 					strings.TrimSpace(formattingFunction(int64(totalMaxStorageMemoryMB)*MB)),
 					strings.TrimSpace(formattingFunction(int64(totalUsedStorageMB)*MB)),
-					strings.TrimSpace(formattingFunction(int64(totalAvailStorageMemoryMB)*MB)), availableStoragePercent)
+					strings.TrimSpace(formattingFunction(int64(totalAvailStorageMemoryMB)*MB)), formatPercent(float64(availableStoragePercent/100)))
 	}
 
 	if summary {
@@ -2236,6 +2238,12 @@ func formatPercent(value float64) string {
 	if value == -1 {
 		return na
 	}
+	if includePercentageBar {
+		if percentageBarWidth < 10 {
+			percentageBarWidth = 10
+		}
+		return generatePercentageBar(value*100, percentageBarWidth)
+	}
 	return strings.TrimSpace(printer.Sprintf("%6.2f%%", value*100))
 }
 
@@ -2696,7 +2704,7 @@ func (t *formattedTable) getMaxColumnLen() []int {
 	for _, value := range columns {
 		for j, entry := range value {
 			if len(entry) > lengths[j] {
-				lengths[j] = len(entry)
+				lengths[j] = runewidth.StringWidth(entry)
 			}
 		}
 	}
@@ -2711,3 +2719,16 @@ func (t *formattedTable) getCombined() [][]string {
 
 	return columns
 }
+
+// generatePercentageBar generates a percentage bar.
+func generatePercentageBar(percent float64, width int) string {
+	if percent < 0 {
+		percent = 0
+	}
+	if percent > 100 {
+		percent = 100
+	}
+	full := int((percent / 100) * float64(width))
+	empty := width - full
+	return fmt.Sprintf("[%s%s] %6.2f%%", strings.Repeat("█", full), strings.Repeat("░", empty), percent)
+}

pkg/cmd/root.go

@@ -51,10 +51,11 @@ const (
 	connectionNameOption         = "connection"
 	clusterNameOptionShort       = "c"
 
-	serviceNameDescription  = "Service name"
-	serviceNameOption       = "service"
-	serviceNameOptionShort  = "s"
-	ignoreCachesDescription = "ignore system caches or caches with $"
+	serviceNameDescription    = "Service name"
+	serviceNameOption         = "service"
+	serviceNameOptionShort    = "s"
+	ignoreCachesDescription   = "ignore system caches or caches with $"
+	includePercentDescription = "show percentage as bar"
 
 	userNameDescription = "basic auth username if authentication is required"
 	usernameOption      = "username"
@@ -154,6 +155,12 @@ var (
 	// global sort direction
 	descendingFlag bool
 
+	// global, include percentage as bar
+	includePercentageBar bool
+
+	// global percentage bar width
+	percentageBarWidth int
+
 	Logger *zap.Logger
 
 	// Version is the cohctl version injected by the Go linker at build time.
@@ -255,6 +262,8 @@ func SetRootCommandFlags(command *cobra.Command) {
 	command.PersistentFlags().StringVarP(&clusterConnection, connectionNameOption, clusterNameOptionShort, "", clusterConnectionDescription)
 	command.PersistentFlags().StringVarP(&tableSorting, "sort", "", "", "specify a sorting column name or number for tables")
 	command.PersistentFlags().BoolVarP(&descendingFlag, "desc", "", false, "indicates descending sort for tables, default is ascending")
+	command.PersistentFlags().BoolVarP(&includePercentageBar, "percent-bar", "", false, includePercentDescription)
+	command.PersistentFlags().IntVarP(&percentageBarWidth, "percent-bar-width", "", 30, "set percentage bar width")
 
 	command.PersistentFlags().BoolVarP(&kbFormat, "kb", "k", false, "show sizes in kilobytes (default is bytes)")
 	command.PersistentFlags().BoolVarP(&mbFormat, "mb", "m", false, "show sizes in megabytes (default is bytes)")