pulumi/cmd/logs.go

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// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
package cmd
import (
"fmt"
"time"
"github.com/spf13/cobra"
"github.com/pulumi/pulumi/pkg/component"
"github.com/pulumi/pulumi/pkg/util/cmdutil"
)
func newLogsCmd() *cobra.Command {
var stack string
var follow bool
logsCmd := &cobra.Command{
Use: "logs",
Run: cmdutil.RunFunc(func(cmd *cobra.Command, args []string) error {
stackName, err := explicitOrCurrent(stack, backend)
if err != nil {
return err
}
sinceTime := time.Unix(0, 0)
highestTimeSeen := time.Unix(0, 0)
for {
logs, err := backend.GetLogs(stackName, component.LogQuery{})
if err != nil {
return err
}
for _, logEntry := range logs {
eventTime := time.Unix(0, logEntry.Timestamp*1000000)
if eventTime.After(sinceTime) {
fmt.Printf("[%v] %v\n", eventTime, logEntry.Message)
}
if eventTime.After(highestTimeSeen) {
highestTimeSeen = eventTime
}
}
if !follow {
return nil
}
sinceTime = highestTimeSeen
time.Sleep(time.Second)
}
}),
}
logsCmd.PersistentFlags().StringVarP(
&stack, "stack", "s", "",
"List configuration for a different stack than the currently selected stack")
logsCmd.PersistentFlags().BoolVarP(
&follow, "follow", "f", false,
"Follow the log stream in real time (like tail -f)")
return logsCmd
}