Long term, a stack name alone will not be sufficent to address a stack. Introduce a new `backend.StackReference` interface that allows each backend to give an opaque stack reference that can be used across operations.
119 lines
3.7 KiB
Go
119 lines
3.7 KiB
Go
// Copyright 2016-2018, Pulumi Corporation. All rights reserved.
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package cmd
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import (
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"fmt"
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"time"
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mobytime "github.com/moby/moby/api/types/time"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/pulumi/pulumi/pkg/diag/colors"
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"github.com/pulumi/pulumi/pkg/operations"
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"github.com/pulumi/pulumi/pkg/util/cmdutil"
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)
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// We use RFC 5424 timestamps with millisecond precision for displaying time stamps on log entries. Go does not
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// pre-define a format string for this format, though it is similar to time.RFC3339Nano.
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//
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// See https://tools.ietf.org/html/rfc5424#section-6.2.3.
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const timeFormat = "2006-01-02T15:04:05.000Z07:00"
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func newLogsCmd() *cobra.Command {
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var stack string
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var follow bool
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var since string
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var resource string
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logsCmd := &cobra.Command{
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Use: "logs",
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Short: "Show aggregated logs for a project",
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Args: cmdutil.NoArgs,
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Run: cmdutil.RunFunc(func(cmd *cobra.Command, args []string) error {
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s, err := requireStack(stack, false)
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if err != nil {
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return err
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}
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startTime, err := parseSince(since, time.Now())
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if err != nil {
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return errors.Wrapf(err, "failed to parse argument to '--since' as duration or timestamp")
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}
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var resourceFilter *operations.ResourceFilter
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if resource != "" {
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var rf = operations.ResourceFilter(resource)
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resourceFilter = &rf
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}
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fmt.Printf(
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colors.ColorizeText(colors.BrightMagenta+"Collecting logs since %s.\n\n"+colors.Reset),
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startTime.Format(timeFormat),
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)
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// IDEA: This map will grow forever as new log entries are found. We may need to do a more approximate
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// approach here to ensure we don't grow memory unboundedly while following logs.
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//
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// Note: Just tracking latest log date is not sufficient - as stale logs may show up which should have been
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// displayed before previously rendered log entries, but weren't available at the time, so still need to be
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// rendered now even though they are technically out of order.
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shown := map[operations.LogEntry]bool{}
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for {
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logs, err := s.GetLogs(operations.LogQuery{
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StartTime: startTime,
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ResourceFilter: resourceFilter,
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})
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if err != nil {
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return errors.Wrapf(err, "failed to get logs")
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}
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for _, logEntry := range logs {
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if _, shownAlready := shown[logEntry]; !shownAlready {
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eventTime := time.Unix(0, logEntry.Timestamp*1000000)
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fmt.Printf("%30.30s[%30.30s] %v\n", eventTime.Format(timeFormat), logEntry.ID, logEntry.Message)
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shown[logEntry] = true
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}
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}
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if !follow {
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return nil
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}
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time.Sleep(time.Second)
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}
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}),
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}
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logsCmd.PersistentFlags().StringVarP(
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&stack, "stack", "s", "",
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"List configuration for a different stack than the currently selected stack")
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logsCmd.PersistentFlags().BoolVarP(
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&follow, "follow", "f", false,
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"Follow the log stream in real time (like tail -f)")
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logsCmd.PersistentFlags().StringVar(
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&since, "since", "1h",
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"Only return logs newer than a relative duration ('5s', '2m', '3h') or absolute timestamp. "+
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"Defaults to returning the last 1 hour of logs.")
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logsCmd.PersistentFlags().StringVarP(
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&resource, "resource", "r", "",
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"Only return logs for the requested resource ('name', 'type::name' or full URN). Defaults to returning all logs.")
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return logsCmd
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}
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func parseSince(since string, reference time.Time) (*time.Time, error) {
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startTimestamp, err := mobytime.GetTimestamp(since, reference)
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if err != nil {
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return nil, err
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}
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startTimeSec, startTimeNs, err := mobytime.ParseTimestamps(startTimestamp, 0)
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if err != nil {
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return nil, err
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}
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if startTimeSec == 0 && startTimeNs == 0 {
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return nil, nil
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}
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startTime := time.Unix(startTimeSec, startTimeNs)
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return &startTime, nil
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}
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