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migrate_syslog.go
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/
migrate_syslog.go
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// Copyright 2014, Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package events
import (
"fmt"
"log/syslog"
"strings"
"github.com/youtube/vitess/go/event/syslogger"
)
// Syslog writes a MigrateServedFrom event to syslog.
func (ev *MigrateServedFrom) Syslog() (syslog.Priority, string) {
var format string
if ev.Reverse {
format = "%s [migrate served-from %s/%s <- %s/%s] %s"
} else {
format = "%s [migrate served-from %s/%s -> %s/%s] %s"
}
return syslog.LOG_INFO, fmt.Sprintf(format,
ev.KeyspaceName,
ev.SourceShard.Keyspace(), ev.SourceShard.ShardName(),
ev.DestinationShard.Keyspace(), ev.DestinationShard.ShardName(),
ev.Status)
}
var _ syslogger.Syslogger = (*MigrateServedFrom)(nil) // compile-time interface check
// Syslog writes a MigrateServedTypes event to syslog.
func (ev *MigrateServedTypes) Syslog() (syslog.Priority, string) {
var format string
if ev.Reverse {
format = "%s [migrate served-types {%v} <- {%v}] %s"
} else {
format = "%s [migrate served-types {%v} -> {%v}] %s"
}
sourceShards := make([]string, len(ev.SourceShards))
for i, shard := range ev.SourceShards {
sourceShards[i] = shard.ShardName()
}
destShards := make([]string, len(ev.DestinationShards))
for i, shard := range ev.DestinationShards {
destShards[i] = shard.ShardName()
}
return syslog.LOG_INFO, fmt.Sprintf(format,
ev.KeyspaceName, strings.Join(sourceShards, ", "),
strings.Join(destShards, ", "), ev.Status)
}
var _ syslogger.Syslogger = (*MigrateServedTypes)(nil) // compile-time interface check