summaryrefslogtreecommitdiff
path: root/internal/server/continuous.go
diff options
context:
space:
mode:
Diffstat (limited to 'internal/server/continuous.go')
-rw-r--r--internal/server/continuous.go110
1 files changed, 110 insertions, 0 deletions
diff --git a/internal/server/continuous.go b/internal/server/continuous.go
new file mode 100644
index 0000000..bdb4079
--- /dev/null
+++ b/internal/server/continuous.go
@@ -0,0 +1,110 @@
+package server
+
+import (
+ "context"
+ "fmt"
+ "os"
+ "strconv"
+ "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
+ }
+
+ hour, err := strconv.Atoi(time.Now().Format("15"))
+ if err != nil {
+ logger.Error(job.Name, "Unable to create job job", err)
+ continue
+ }
+
+ if hour < job.TimeRange[0] || hour >= job.TimeRange[1] {
+ logger.Debug(job.Name, "Not running job out of time range")
+ continue
+ }
+
+ files := fillDates(job.Files)
+ outfile := fillDates(job.Outfile)
+
+ _, err = os.Stat(outfile)
+ if !os.IsNotExist(err) {
+ logger.Debug(job.Name, "Not running job as outfile already exists", outfile)
+ continue
+ }
+
+ 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)
+ 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)
+ }
+}