72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package watchdog
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import (
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"fmt"
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"sort"
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"strings"
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"git.g3e.fr/syonad/two/internal/netif"
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"git.g3e.fr/syonad/two/internal/watchdog/notify"
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"git.g3e.fr/syonad/two/pkg/systemd"
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)
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const (
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prefixVPC = "vpc/"
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prefixSubnet = "subnet/"
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prefixVM = "vm/"
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kindVPC = "vpc"
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kindSubnet = "subnet"
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kindVM = "vm"
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stateSuffix = "/state"
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)
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func resourceNames(pairs map[string]string, prefix string) []string {
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names := make([]string, 0, len(pairs))
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for key := range pairs {
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name, ok := strings.CutPrefix(key, prefix)
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if !ok {
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continue
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}
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name, ok = strings.CutSuffix(name, stateSuffix)
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if !ok {
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continue
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}
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if name == "" || strings.Contains(name, "/") {
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continue
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}
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names = append(names, name)
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}
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sort.Strings(names)
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return names
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}
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type unitChecker interface {
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Status(unit string) (*systemd.ServiceStatus, error)
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}
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func checkUnit(kind, name, unit string, u unitChecker, n notify.Notifier) {
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if u == nil {
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return
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}
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st, err := u.Status(unit)
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if err != nil {
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n.Notify(kind, name, fmt.Sprintf("unit %s illisible: %v", unit, err))
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return
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}
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if st.ActiveState != "active" {
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n.Notify(kind, name, fmt.Sprintf("unit %s %s (%s)", unit, st.ActiveState, st.SubState))
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}
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}
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func linkProblem(iface string) string {
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up, err := netif.LinkIsUp(iface)
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switch {
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case err != nil:
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return fmt.Sprintf("interface %s introuvable: %v", iface, err)
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case !up:
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return fmt.Sprintf("interface %s down", iface)
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}
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return ""
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}
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