mirror of
https://github.com/Luzifer/mondash-checkgpg.git
synced 2024-09-16 17:38:24 +00:00
100 lines
3.3 KiB
Go
100 lines
3.3 KiB
Go
package main
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import (
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"context"
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"fmt"
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"os"
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"strings"
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"time"
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log "github.com/sirupsen/logrus"
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mondash "github.com/Luzifer/mondash/client"
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"github.com/Luzifer/rconfig/v2"
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)
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var (
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cfg = struct {
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CritAt time.Duration `flag:"crit-at,c" default:"168h" description:"Switch state to critical if key expires within X"`
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Keys []string `flag:"key,k" description:"List of keys to check"`
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KeyServer string `flag:"key-server" default:"http://keyserver.ubuntu.com/pks/lookup" description:"Lookup path to retrieve the key from"`
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LogLevel string `flag:"log-level" default:"info" description:"Log level (debug, info, warn, error, fatal)"`
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MondashBoard string `flag:"mondash-board" default:"" description:"ID of the Mondash board to send to" validate:"nonzero"`
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MondashMetric string `flag:"mondash-metric" default:"checkgpg" description:"ID of the metric to submit to"`
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MondashMetricExpiry time.Duration `flag:"mondash-metric-expiry" default:"168h" description:"Time in seconds when to remove the metric if there is no update"`
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MondashMetricFreshness time.Duration `flag:"mondash-metric-freshness" default:"168h" description:"Time in seconds when to switch to stale state of there is no update"`
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MondashToken string `flag:"mondash-token" default:"" description:"Token with write access to the board" validate:"nonzero"`
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VersionAndExit bool `flag:"version" default:"false" description:"Prints current version and exits"`
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WarnAt time.Duration `flag:"warn-at,w" default:"336h" description:"Switch state to warning if key expires within X"`
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}{}
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version = "dev"
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)
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func init() {
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rconfig.AutoEnv(true)
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if err := rconfig.ParseAndValidate(&cfg); err != nil {
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log.Fatalf("Unable to parse commandline options: %s", err)
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}
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if cfg.VersionAndExit {
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fmt.Printf("mondash-checkgpg %s\n", version)
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os.Exit(0)
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}
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if l, err := log.ParseLevel(cfg.LogLevel); err != nil {
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log.WithError(err).Fatal("Unable to parse log level")
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} else {
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log.SetLevel(l)
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}
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}
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func main() {
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var (
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overallStatus = mondash.StatusUnknown
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statusMessages []string
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)
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for _, key := range cfg.Keys {
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keyID, msg, state := processKey(context.Background(), key)
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overallStatus = calcStatus(overallStatus, state)
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statusMessages = append(statusMessages, fmt.Sprintf("%s: %s",
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keyID,
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msg,
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))
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}
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if err := mondash.New(cfg.MondashBoard, cfg.MondashToken).
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PostMetric(&mondash.PostMetricInput{
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MetricID: cfg.MondashMetric,
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Title: "GPG Key Status",
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Description: strings.Join(statusMessages, "\n"),
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Status: overallStatus,
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Expires: int64(cfg.MondashMetricExpiry / time.Second),
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Freshness: int64(cfg.MondashMetricFreshness / time.Second),
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IgnoreMAD: true,
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HideMAD: true,
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HideValue: true,
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}); err != nil {
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log.WithError(err).Fatal("Unable to submit metric")
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}
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}
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func calcStatus(o, n mondash.Status) mondash.Status {
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scores := map[mondash.Status]int{
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mondash.StatusUnknown: 0,
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mondash.StatusOK: 1,
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mondash.StatusWarning: 2, //nolint: gomnd // Makes no sense to extract to a constant
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mondash.StatusCritical: 3, //nolint: gomnd // Makes no sense to extract to a constant
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}
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switch {
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case o == n:
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return o
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case scores[o] < scores[n]:
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return n
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default:
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return o
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}
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}
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