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format.go
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format.go
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package cmd
import (
"fmt"
"io"
"os"
"strings"
"text/tabwriter"
"time"
"github.com/robfig/cron"
"github.com/spf13/viper"
"github.com/wish/ctl/pkg/client/types"
)
// REVIEW: Most of the processing here was guessed with reverse engineering
// by comparing with the output of kubectl
func printPodList(w io.Writer, lst []types.PodDiscovery, labelColumns []string) {
if len(lst) == 0 {
fmt.Fprintln(w, "No pods found")
return
}
// Insert default columns
defaultColumns := viper.GetStringSlice("default_columns")
var newLabelColumns []string
if len(defaultColumns) == 0 {
newLabelColumns = labelColumns
} else if len(labelColumns) == 0 {
newLabelColumns = defaultColumns
} else {
for _, s := range defaultColumns {
newLabelColumns = append(newLabelColumns, s)
}
for _, s := range labelColumns {
newLabelColumns = append(newLabelColumns, s)
}
}
tw := tabwriter.NewWriter(w, 0, 0, 2, ' ', tabwriter.TabIndent)
fmt.Fprint(tw, "CONTEXT\tNAMESPACE\tNAME\tREADY\tSTATUS\tRESTARTS\tAGE")
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t", strings.ToUpper(l))
}
fmt.Fprintln(tw)
for _, v := range lst {
fmt.Fprintf(tw, "%s", v.Context)
fmt.Fprintf(tw, "\t%s", v.Namespace)
fmt.Fprintf(tw, "\t%s", v.Name)
var ready int
for _, s := range v.Status.ContainerStatuses {
if s.Ready {
ready++
}
}
fmt.Fprintf(tw, "\t%d/%d", ready, len(v.Spec.Containers))
fmt.Fprintf(tw, "\t%s", v.Status.Phase) // A bit off from kubectl output
// Restarts
var restarts int32
for _, s := range v.Status.ContainerStatuses {
restarts += s.RestartCount
}
fmt.Fprintf(tw, "\t%d", restarts)
fmt.Fprintf(tw, "\t%v", time.Since(v.CreationTimestamp.Time).Round(time.Second))
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t")
if _, ok := v.Labels[l]; ok {
fmt.Fprint(tw, v.Labels[l])
}
}
fmt.Fprintln(tw)
}
tw.Flush()
}
func printConfigMapList(w io.Writer, lst []types.ConfigMapDiscovery, labelColumns []string) {
if len(lst) == 0 {
fmt.Fprintln(w, "No config maps found")
return
}
// Insert default columns
defaultColumns := viper.GetStringSlice("default_columns")
var newLabelColumns []string
if len(defaultColumns) == 0 {
newLabelColumns = labelColumns
} else if len(labelColumns) == 0 {
newLabelColumns = defaultColumns
} else {
for _, s := range defaultColumns {
newLabelColumns = append(newLabelColumns, s)
}
for _, s := range labelColumns {
newLabelColumns = append(newLabelColumns, s)
}
}
tw := tabwriter.NewWriter(w, 0, 0, 2, ' ', tabwriter.TabIndent)
fmt.Fprint(tw, "CONTEXT\tNAMESPACE\tNAME\tDATA\tAGE")
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t", strings.ToUpper(l))
}
fmt.Fprintln(tw)
for _, v := range lst {
fmt.Fprintf(tw, "%s", v.Context)
fmt.Fprintf(tw, "\t%s", v.Namespace)
fmt.Fprintf(tw, "\t%s", v.Name)
fmt.Fprintf(tw, "\t%d", len(v.Data))
// Age
fmt.Fprintf(tw, "\t%v", time.Since(v.CreationTimestamp.Time).Round(time.Second))
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t")
if _, ok := v.Labels[l]; ok {
fmt.Fprint(tw, v.Labels[l])
}
}
fmt.Fprintln(tw)
}
tw.Flush()
}
func printDeploymentList(w io.Writer, lst []types.DeploymentDiscovery, labelColumns []string) {
if len(lst) == 0 {
fmt.Fprintln(w, "No deployments found")
return
}
// Insert default columns
defaultColumns := viper.GetStringSlice("default_columns")
var newLabelColumns []string
if len(defaultColumns) == 0 {
newLabelColumns = labelColumns
} else if len(labelColumns) == 0 {
newLabelColumns = defaultColumns
} else {
for _, s := range defaultColumns {
newLabelColumns = append(newLabelColumns, s)
}
for _, s := range labelColumns {
newLabelColumns = append(newLabelColumns, s)
}
}
tw := tabwriter.NewWriter(w, 0, 0, 2, ' ', tabwriter.TabIndent)
fmt.Fprint(tw, "CONTEXT\tNAMESPACE\tNAME\tDESIRED\tCURRENT\tUP-TO-DATE\tAVAILABLE\tAGE")
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t", strings.ToUpper(l))
}
fmt.Fprintln(tw)
for _, v := range lst {
fmt.Fprintf(tw, "%s", v.Context)
fmt.Fprintf(tw, "\t%s", v.Namespace)
fmt.Fprintf(tw, "\t%s", v.Name)
// Desired
fmt.Fprintf(tw, "\t%d", *v.Spec.Replicas)
// Current
fmt.Fprintf(tw, "\t%d", v.Status.Replicas)
// Up-to-date
fmt.Fprintf(tw, "\t%d", v.Status.UpdatedReplicas)
// Available
fmt.Fprintf(tw, "\t%d", v.Status.AvailableReplicas)
// Age
fmt.Fprintf(tw, "\t%v", time.Since(v.CreationTimestamp.Time).Round(time.Second))
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t")
if _, ok := v.Labels[l]; ok {
fmt.Fprint(tw, v.Labels[l])
}
}
fmt.Fprintln(tw)
}
tw.Flush()
}
func printReplicaSetList(w io.Writer, lst []types.ReplicaSetDiscovery, labelColumns []string) {
if len(lst) == 0 {
fmt.Fprintln(w, "No replicasets found")
return
}
// Insert default columns
defaultColumns := viper.GetStringSlice("default_columns")
var newLabelColumns []string
if len(defaultColumns) == 0 {
newLabelColumns = labelColumns
} else if len(labelColumns) == 0 {
newLabelColumns = defaultColumns
} else {
for _, s := range defaultColumns {
newLabelColumns = append(newLabelColumns, s)
}
for _, s := range labelColumns {
newLabelColumns = append(newLabelColumns, s)
}
}
tw := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', tabwriter.TabIndent)
fmt.Fprint(tw, "CONTEXT\tNAMESPACE\tNAME\tDESIRED\tCURRENT\tREADY\tAGE")
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t", strings.ToUpper(l))
}
fmt.Fprintln(tw)
for _, v := range lst {
fmt.Fprintf(tw, "%s", v.Context)
fmt.Fprintf(tw, "\t%s", v.Namespace)
fmt.Fprintf(tw, "\t%s", v.Name)
// Desired
fmt.Fprintf(tw, "\t%d", *v.Spec.Replicas)
// Current
fmt.Fprintf(tw, "\t%d", v.Status.Replicas)
// Ready
fmt.Fprintf(tw, "\t%d", v.Status.ReadyReplicas)
// Age
fmt.Fprintf(tw, "\t%v", time.Since(v.CreationTimestamp.Time).Round(time.Second))
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t")
if _, ok := v.Labels[l]; ok {
fmt.Fprint(tw, v.Labels[l])
}
}
fmt.Fprintln(tw)
}
tw.Flush()
}
func printJobList(w io.Writer, lst []types.JobDiscovery, labelColumns []string) {
if len(lst) == 0 {
fmt.Fprintln(w, "No jobs found")
return
}
// Insert default columns
defaultColumns := viper.GetStringSlice("default_columns")
var newLabelColumns []string
if len(defaultColumns) == 0 {
newLabelColumns = labelColumns
} else if len(labelColumns) == 0 {
newLabelColumns = defaultColumns
} else {
for _, s := range defaultColumns {
newLabelColumns = append(newLabelColumns, s)
}
for _, s := range labelColumns {
newLabelColumns = append(newLabelColumns, s)
}
}
tw := tabwriter.NewWriter(w, 0, 0, 2, ' ', tabwriter.TabIndent)
fmt.Fprint(tw, "CONTEXT\tNAMESPACE\tNAME\tSTATE\tSTART\tEND")
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t", strings.ToUpper(l))
}
fmt.Fprintln(tw)
for _, v := range lst {
fmt.Fprintf(tw, "%s", v.Context)
fmt.Fprintf(tw, "\t%s", v.Namespace)
fmt.Fprintf(tw, "\t%s", v.Name)
// State
if v.Status.Failed > 0 {
fmt.Fprint(tw, "\tFAILED")
} else if v.Status.CompletionTime != nil {
fmt.Fprint(tw, "\tSUCCESSFUL")
} else {
fmt.Fprint(tw, "\tIN PROGRESS")
}
// Start
fmt.Fprintf(tw, "\t%v", v.Status.StartTime)
// END
if v.Status.CompletionTime != nil {
fmt.Fprintf(tw, "\t%v", v.Status.CompletionTime)
} else {
fmt.Fprint(tw, "\t<none>")
}
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t")
if _, ok := v.Labels[l]; ok {
fmt.Fprint(tw, v.Labels[l])
}
}
fmt.Fprintln(tw)
}
tw.Flush()
}
func printCronJobList(w io.Writer, lst []types.CronJobDiscovery, labelColumns []string) {
if len(lst) == 0 {
fmt.Fprintln(w, "No cronjobs found")
return
}
// Insert default columns
defaultColumns := viper.GetStringSlice("default_columns")
var newLabelColumns []string
if len(defaultColumns) == 0 {
newLabelColumns = labelColumns
} else if len(labelColumns) == 0 {
newLabelColumns = defaultColumns
} else {
for _, s := range defaultColumns {
newLabelColumns = append(newLabelColumns, s)
}
for _, s := range labelColumns {
newLabelColumns = append(newLabelColumns, s)
}
}
tw := tabwriter.NewWriter(w, 0, 0, 2, ' ', tabwriter.TabIndent)
fmt.Fprint(tw, "CONTEXT\tNAME\tSCHEDULE\tSUSPEND\tACTIVE\tLAST SCHEDULE\tNEXT RUN\tAGE")
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t", strings.ToUpper(l))
}
fmt.Fprintln(tw)
for _, v := range lst {
fmt.Fprintf(tw, "%s", v.Context)
fmt.Fprintf(tw, "\t%s", v.Name)
fmt.Fprintf(tw, "\t%s", v.Spec.Schedule) // Schedule
fmt.Fprintf(tw, "\t%t", *v.Spec.Suspend) // Suspend
fmt.Fprintf(tw, "\t%d", len(v.Status.Active))
// Last schedule
// TODO fix rounding
if v.Status.LastScheduleTime == nil {
fmt.Fprintf(tw, "\t<none>")
} else {
fmt.Fprintf(tw, "\t%v", time.Since(v.Status.LastScheduleTime.Time).Round(time.Second))
}
// Next run
s, _ := cron.ParseStandard(v.Spec.Schedule)
fmt.Fprintf(tw, "\t%v", time.Until(s.Next(time.Now())).Round(time.Second))
// Age
fmt.Fprintf(tw, "\t%v", time.Since(v.CreationTimestamp.Time).Round(time.Second))
// Labels
for _, l := range newLabelColumns {
fmt.Fprint(tw, "\t")
if _, ok := v.Labels[l]; ok {
fmt.Fprint(tw, v.Labels[l])
}
}
fmt.Fprintln(tw)
}
tw.Flush()
}
func printK8sEnvList(k8sEnv []string) {
for _, v := range k8sEnv {
fmt.Println(v)
}
}