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author | Julien Dessaux | 2021-04-23 16:51:22 +0200 |
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committer | Julien Dessaux | 2021-04-23 16:51:22 +0200 |
commit | 38d9c881b3b5ece91f428c87f0b7bb9efb3e88a8 (patch) | |
tree | d3f7167fae6388f4db35a63e660d1816c9c2943e /pkg/state/job.go | |
parent | Fixed wrongfully hardcoded path in tests. (diff) | |
download | bareos-zabbix-check-38d9c881b3b5ece91f428c87f0b7bb9efb3e88a8.tar.gz bareos-zabbix-check-38d9c881b3b5ece91f428c87f0b7bb9efb3e88a8.tar.bz2 bareos-zabbix-check-38d9c881b3b5ece91f428c87f0b7bb9efb3e88a8.zip |
Updated for go 1.16 modules1.2
Diffstat (limited to 'pkg/state/job.go')
-rw-r--r-- | pkg/state/job.go | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/pkg/state/job.go b/pkg/state/job.go new file mode 100644 index 0000000..e86bc8e --- /dev/null +++ b/pkg/state/job.go @@ -0,0 +1,96 @@ +package state + +import ( + "bytes" + "encoding/binary" + "fmt" + "io" + "regexp" + "time" + + "git.adyxax.org/adyxax/bareos-zabbix-check/pkg/job" + "git.adyxax.org/adyxax/bareos-zabbix-check/pkg/utils" + "github.com/pkg/errors" +) + +// maxnameLength : the maximum length of a job name, hardcoded in bareos +const maxNameLength = 128 + +// jobLength : the length of the job result struct +const jobLength = 16 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 8 + 8 + 8 + maxNameLength + +var jobNameRegex = regexp.MustCompilePOSIX(`^([-A-Za-z0-9_]+)\.[0-9]{4}-[0-9]{2}-[0-9]{2}.*`) + +// jobEntry : A structure to hold a job result from the state file +// This comes from bareos repository file core/src/lib/recent_job_results_list.h:29 and file core/src/lib/recent_job_results_list.cc:44 +type jobEntry struct { + _ [16]byte + Errors int32 + JobType int32 + JobStatus int32 + JobLevel int32 + JobID uint32 + VolSessionID uint32 + VolSessionTime uint32 + JobFiles uint32 + JobBytes uint64 + StartTime uint64 + EndTime uint64 + Job [maxNameLength]byte +} + +func (je jobEntry) String() string { + var matches = jobNameRegex.FindSubmatchIndex(je.Job[:]) + jobNameLen := utils.Clen(je.Job[:]) + if len(matches) >= 4 { + jobNameLen = matches[3] + } + return fmt.Sprintf("Errors: %d, JobType: %c, JobStatus: %c, JobLevel: %c, JobID: %d, VolSessionID: %d, VolSessionTime: %d, JobFiles: %d, JobBytes: %d, StartTime: %s, EndTime: %s, Job: %s", + je.Errors, je.JobType, je.JobStatus, je.JobLevel, je.JobID, je.VolSessionID, je.VolSessionTime, je.JobFiles, je.JobBytes, time.Unix(int64(je.StartTime), 0), time.Unix(int64(je.EndTime), 0), je.Job[:jobNameLen]) +} + +// ParseJobs parses the jobs in a state file +func ParseJobs(handle io.Reader) (jobs []job.Job, err error) { + // We read how many jobs there are in the state file + data := make([]byte, 4) + n, err := handle.Read(data) + if err != nil { + return nil, errors.Wrap(err, "Corrupted state file") + } + if n != 4 { + return nil, fmt.Errorf("Corrupted state file : invalid numberOfJobs read length") + } + buffer := bytes.NewBuffer(data) + var numberOfJobs uint32 + _ = binary.Read(buffer, binary.LittleEndian, &numberOfJobs) // this call cannot fail since we checked the header length + + // We parse the job entries + for ; numberOfJobs > 0; numberOfJobs-- { + var ( + jobResult jobEntry + jobName string + ) + data := make([]byte, jobLength) + n, err = handle.Read(data) + if err != nil { + return nil, errors.Wrap(err, "Corrupted state file") + } + if n != jobLength { + return nil, fmt.Errorf("Corrupted state file : invalid job entry") + } + buffer = bytes.NewBuffer(data) + _ = binary.Read(buffer, binary.LittleEndian, &jobResult) // this call cannot fail since we checked the header length + matches := jobNameRegex.FindSubmatchIndex(jobResult.Job[:]) + if len(matches) >= 4 { + jobName = string(jobResult.Job[:matches[3]]) + } else { + return nil, fmt.Errorf("Couldn't parse job name, this shouldn't happen : %s", jobResult.Job[:]) + } + // If the job is of type backup (B == ascii 66) + if jobResult.JobType == 66 { + // If the job is of status success JobStatus is equals to 84 (T == ascii 84) + jobs = append(jobs, job.Job{Name: jobName, Timestamp: jobResult.StartTime, Success: jobResult.JobStatus == 84}) + } + } + return +} |