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package server
import (
"context"
"fmt"
"os"
"strings"
"time"
"github.com/mimecast/dtail/internal/clients"
"github.com/mimecast/dtail/internal/config"
"github.com/mimecast/dtail/internal/io/logger"
"github.com/mimecast/dtail/internal/omode"
gossh "golang.org/x/crypto/ssh"
)
type continuous struct {
}
func newContinuous() *continuous {
return &continuous{}
}
func (s *continuous) start(ctx context.Context) {
// First run after just 10s!
time.Sleep(time.Second * 10)
s.runJobs(ctx)
for {
select {
case <-time.After(time.Minute):
s.runJobs(ctx)
case <-ctx.Done():
return
}
}
}
func (s *continuous) runJobs(ctx context.Context) {
for _, job := range config.Server.Schedule {
if !job.Enable {
logger.Debug(job.Name, "Not running job as not enabled")
continue
}
files := fillDates(job.Files)
outfile := fillDates(job.Outfile)
servers := strings.Join(job.Servers, ",")
if servers == "" {
servers = config.Server.SSHBindAddress
}
args := clients.Args{
ConnectionsPerCPU: 10,
Discovery: job.Discovery,
ServersStr: servers,
What: files,
Mode: omode.MapClient,
UserName: config.BackgroundUser,
}
args.SSHAuthMethods = append(args.SSHAuthMethods, gossh.Password(job.Name))
tmpOutfile := fmt.Sprintf("%s.tmp", outfile)
query := fmt.Sprintf("%s outfile %s", job.Query, tmpOutfile)
client, err := clients.NewMaprClient(args, query, clients.NonCumulativeMode)
if err != nil {
logger.Error(fmt.Sprintf("Unable to create job job %s", job.Name), err)
continue
}
jobCtx, cancel := context.WithCancel(ctx)
defer cancel()
logger.Info(fmt.Sprintf("Starting job job %s", job.Name))
status := client.Start(jobCtx)
logMessage := fmt.Sprintf("Job exited with status %d", status)
if err := os.Rename(tmpOutfile, outfile); err == nil {
logger.Info(job.Name, fmt.Sprintf("Renamed %s to %s", tmpOutfile, outfile))
}
if status != 0 {
logger.Warn(logMessage)
continue
}
logger.Info(logMessage)
}
}
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