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98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
package notifications
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import (
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ty "github.com/containrrr/watchtower/pkg/types"
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"github.com/johntdyer/slackrus"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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// Notifier can send log output as notification to admins, with optional batching.
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type Notifier struct {
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types []ty.Notifier
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}
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// NewNotifier creates and returns a new Notifier, using global configuration.
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func NewNotifier(c *cobra.Command) *Notifier {
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n := &Notifier{}
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f := c.PersistentFlags()
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level, _ := f.GetString("notifications-level")
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logLevel, err := log.ParseLevel(level)
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if err != nil {
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log.Fatalf("Notifications invalid log level: %s", err.Error())
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}
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acceptedLogLevels := slackrus.LevelThreshold(logLevel)
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// Parse types and create notifiers.
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types, err := f.GetStringSlice("notifications")
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if err != nil {
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log.WithField("could not read notifications argument", log.Fields{"Error": err}).Fatal()
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}
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n.types = n.GetNotificationTypes(c, acceptedLogLevels, types)
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return n
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}
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// GetNotificationTypes produces an array of notifiers from a list of types
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func (n *Notifier) GetNotificationTypes(cmd *cobra.Command, levels []log.Level, types []string) []ty.Notifier {
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output := make([]ty.Notifier, 0)
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for _, t := range types {
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if t == shoutrrrType {
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output = append(output, newShoutrrrNotifier(cmd, levels))
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continue
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}
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var legacyNotifier ty.ConvertableNotifier
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switch t {
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case emailType:
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legacyNotifier = newEmailNotifier(cmd, []log.Level{})
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case slackType:
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legacyNotifier = newSlackNotifier(cmd, []log.Level{})
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case msTeamsType:
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legacyNotifier = newMsTeamsNotifier(cmd, levels)
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case gotifyType:
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legacyNotifier = newGotifyNotifier(cmd, []log.Level{})
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default:
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log.Fatalf("Unknown notification type %q", t)
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}
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notifier := newShoutrrrNotifierFromURL(
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cmd,
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legacyNotifier.GetURL(),
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levels,
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)
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output = append(output, notifier)
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}
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return output
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}
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// StartNotification starts a log batch. Notifications will be accumulated after this point and only sent when SendNotification() is called.
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func (n *Notifier) StartNotification() {
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for _, t := range n.types {
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t.StartNotification()
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}
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}
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// SendNotification sends any notifications accumulated since StartNotification() was called.
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func (n *Notifier) SendNotification() {
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for _, t := range n.types {
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t.SendNotification()
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}
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}
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// Close closes all notifiers.
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func (n *Notifier) Close() {
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for _, t := range n.types {
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t.Close()
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}
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}
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