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package zabbix
import (
"fmt"
"os"
"path/filepath"
"time"
"git.adyxax.org/adyxax/bareos-zabbix-check/pkg/job"
"git.adyxax.org/adyxax/bareos-zabbix-check/pkg/spool"
"git.adyxax.org/adyxax/bareos-zabbix-check/pkg/state"
)
const (
spoolFileName = "bareos-zabbix-check.spool"
)
var now = uint64(time.Now().Unix())
// Main the true main function of this program
func Main() string {
err := processFlags()
if err != nil {
return fmt.Sprintf("INFO Failed to init program : %s", err)
}
// Open the state file
stateFile, err := os.Open(stateFileName)
if err != nil {
return fmt.Sprintf("INFO Could not open state file : %s", err)
}
defer stateFile.Close()
// parse the state file
header, err := state.ParseHeader(stateFile)
if err != nil {
return fmt.Sprintf("INFO Could not parse state file header : %s", err)
}
// seek to the job entries in the state file
offset, err := stateFile.Seek(int64(header.LastJobsAddr), 0)
if err != nil {
return fmt.Sprintf("INFO Couldn't seek to jobs position in state file : %s", err)
}
if uint64(offset) != header.LastJobsAddr {
return fmt.Sprint("INFO Truncated state file")
}
// Then parse the jobs in the state file
jobs, err := state.ParseJobs(stateFile)
if err != nil {
return fmt.Sprintf("INFO Could not parse jobs in state file : %s", err)
}
// We will check for errors in loading the spool file only at the end. If all jobs ran successfully without errors
// in the state file and we manage to write a new spool file without errors, then we will ignore any error here to
// avoid false positives during backup bootstrap
// Open the spool file
spoolFile, spoolErr := os.Open(filepath.Join(workDir, spoolFileName))
var spoolJobs []job.Job
if err == nil {
defer spoolFile.Close()
spoolJobs, spoolErr = spool.Parse(spoolFile)
}
jobs = job.KeepOldestOnly(append(jobs, spoolJobs...))
// we write this new spool
spoolFile, err = os.Create(filepath.Join(workDir, spoolFileName))
if err == nil {
defer spoolFile.Close()
err = spool.Serialize(spoolFile, jobs)
}
if err != nil {
return fmt.Sprintf("AVERAGE: Error saving the spool file : %s\n", err)
}
var (
errorString string
missingString string
)
// We build the error strings
for i := 0; i < len(jobs); i++ {
job := jobs[i]
if job.Success {
if job.Timestamp < now-24*3600 {
if missingString == "" {
missingString = fmt.Sprintf("missing: %s", job.Name)
} else {
missingString = fmt.Sprintf("%s, %s", missingString, job.Name)
}
}
} else {
if errorString == "" {
errorString = fmt.Sprintf("errors: %s", job.Name)
} else {
errorString = fmt.Sprintf("%s, %s", errorString, job.Name)
}
}
}
// Finally we output
if errorString != "" || missingString != "" {
if spoolErr != nil {
return fmt.Sprintf("AVERAGE: %s %s %s", errorString, missingString, spoolErr)
}
return fmt.Sprintf("AVERAGE: %s %s", errorString, missingString)
}
return "OK"
}
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