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list.go
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list.go
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package list
import (
"context"
"net/http"
kafkaflagutil "github.com/redhat-developer/app-services-cli/pkg/cmd/kafka/flagutil"
"github.com/redhat-developer/app-services-cli/pkg/cmd/kafka/topic/topiccmdutil"
"github.com/redhat-developer/app-services-cli/pkg/core/cmdutil"
"github.com/redhat-developer/app-services-cli/pkg/core/cmdutil/flagutil"
"github.com/redhat-developer/app-services-cli/pkg/core/ioutil/dump"
"github.com/redhat-developer/app-services-cli/pkg/core/ioutil/iostreams"
"github.com/redhat-developer/app-services-cli/pkg/core/localize"
"github.com/redhat-developer/app-services-cli/pkg/core/logging"
"github.com/redhat-developer/app-services-cli/pkg/core/servicecontext"
"github.com/redhat-developer/app-services-cli/pkg/shared/connection"
"github.com/redhat-developer/app-services-cli/pkg/shared/contextutil"
"github.com/redhat-developer/app-services-cli/pkg/shared/factory"
kafkainstanceclient "github.com/redhat-developer/app-services-sdk-go/kafkainstance/apiv1internal/client"
"github.com/spf13/cobra"
"github.com/redhat-developer/app-services-cli/internal/build"
)
type options struct {
IO *iostreams.IOStreams
Connection factory.ConnectionFunc
Logger logging.Logger
localizer localize.Localizer
Context context.Context
ServiceContext servicecontext.IContext
kafkaID string
output string
search string
page int32
size int32
}
type topicRow struct {
Name string `json:"name,omitempty" header:"Name"`
PartitionsCount int `json:"partitions_count,omitempty" header:"Partitions"`
RetentionTime string `json:"retention.ms,omitempty" header:"Retention time (ms)"`
RetentionSize string `json:"retention.bytes,omitempty" header:"Retention size (bytes)"`
}
// NewListTopicCommand gets a new command for getting kafkas.
func NewListTopicCommand(f *factory.Factory) *cobra.Command {
opts := &options{
Connection: f.Connection,
Logger: f.Logger,
IO: f.IOStreams,
localizer: f.Localizer,
Context: f.Context,
ServiceContext: f.ServiceContext,
}
cmd := &cobra.Command{
Use: "list",
Short: opts.localizer.MustLocalize("kafka.topic.list.cmd.shortDescription"),
Long: opts.localizer.MustLocalize("kafka.topic.list.cmd.longDescription"),
Example: opts.localizer.MustLocalize("kafka.topic.list.cmd.example"),
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, _ []string) error {
if opts.output != "" {
if err := flagutil.ValidateOutput(opts.output); err != nil {
return err
}
}
if opts.page < 1 {
return opts.localizer.MustLocalizeError("kafka.common.validation.page.error.invalid.minValue", localize.NewEntry("Page", opts.page))
}
if opts.size < 1 {
return opts.localizer.MustLocalizeError("kafka.common.validation.size.error.invalid.minValue", localize.NewEntry("Size", opts.size))
}
if opts.search != "" {
validator := topiccmdutil.Validator{
Localizer: opts.localizer,
}
if err := validator.ValidateSearchInput(opts.search); err != nil {
return err
}
}
if opts.kafkaID == "" {
kafkaInstance, err := contextutil.GetCurrentKafkaInstance(f)
if err != nil {
return err
}
opts.kafkaID = kafkaInstance.GetId()
}
return runCmd(opts)
},
}
flags := kafkaflagutil.NewFlagSet(cmd, opts.localizer)
flags.AddOutput(&opts.output)
flags.AddInstanceID(&opts.kafkaID)
flags.StringVar(&opts.search, "search", "", opts.localizer.MustLocalize("kafka.topic.list.flag.search.description"))
flags.Int32VarP(&opts.page, "page", "", cmdutil.ConvertPageValueToInt32(build.DefaultPageNumber), opts.localizer.MustLocalize("kafka.topic.list.flag.page.description"))
flags.Int32VarP(&opts.size, "size", "", cmdutil.ConvertSizeValueToInt32(build.DefaultPageSize), opts.localizer.MustLocalize("kafka.topic.list.flag.size.description"))
flagutil.EnableOutputFlagCompletion(cmd)
return cmd
}
func runCmd(opts *options) error {
conn, err := opts.Connection(connection.DefaultConfigRequireMasAuth)
if err != nil {
return err
}
api, kafkaInstance, err := conn.API().KafkaAdmin(opts.kafkaID)
if err != nil {
return err
}
a := api.TopicsApi.GetTopics(opts.Context)
if opts.search != "" {
opts.Logger.Debug(opts.localizer.MustLocalize("kafka.topic.list.log.debug.filteringTopicList", localize.NewEntry("Search", opts.search)))
a = a.Filter(opts.search)
}
a = a.Size(opts.size)
a = a.Page(opts.page)
topicData, httpRes, err := a.Execute()
if httpRes != nil {
defer httpRes.Body.Close()
}
if err != nil {
if httpRes == nil {
return err
}
operationTemplatePair := localize.NewEntry("Operation", "list")
switch httpRes.StatusCode {
case http.StatusUnauthorized:
return opts.localizer.MustLocalizeError("kafka.topic.list.error.unauthorized", operationTemplatePair)
case http.StatusForbidden:
return opts.localizer.MustLocalizeError("kafka.topic.list.error.forbidden", operationTemplatePair)
case http.StatusInternalServerError:
return opts.localizer.MustLocalizeError("kafka.topic.common.error.internalServerError")
case http.StatusServiceUnavailable:
return opts.localizer.MustLocalizeError("kafka.topic.common.error.unableToConnectToKafka", localize.NewEntry("Name", kafkaInstance.GetName()))
default:
return err
}
}
if topicData.GetTotal() == 0 && opts.output == "" {
opts.Logger.Info(opts.localizer.MustLocalize("kafka.topic.list.log.info.noTopics", localize.NewEntry("InstanceName", kafkaInstance.GetName())))
return nil
}
stdout := opts.IO.Out
switch opts.output {
case dump.EmptyFormat:
topics := topicData.GetItems()
rows := mapTopicResultsToTableFormat(topics)
dump.Table(stdout, rows)
default:
return dump.Formatted(stdout, opts.output, topicData)
}
return nil
}
func mapTopicResultsToTableFormat(topics []kafkainstanceclient.Topic) []topicRow {
rows := make([]topicRow, len(topics))
for i, t := range topics {
row := topicRow{
Name: t.GetName(),
PartitionsCount: len(t.GetPartitions()),
}
for _, conf := range t.GetConfig() {
unlimitedVal := "-1 (Unlimited)"
if conf.Key == topiccmdutil.RetentionMsKey {
val := conf.GetValue()
if val == "-1" {
row.RetentionTime = unlimitedVal
} else {
row.RetentionTime = val
}
}
if conf.Key == topiccmdutil.RetentionSizeKey {
val := conf.GetValue()
if val == "-1" {
row.RetentionSize = unlimitedVal
} else {
row.RetentionSize = val
}
}
}
rows[i] = row
}
return rows
}