zones: warn but not fail when scanning finds unknown monitors #13
+12
-92
@@ -1,89 +1,12 @@
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package zones
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import (
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"net/netip"
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"os"
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"strings"
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"darvaza.org/core"
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"darvaza.org/slog"
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"git.jpi.io/amery/jpictl/pkg/ceph"
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)
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// CephMissingMonitorError is an error that contains ceph
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// monitors present in ceph.conf but not found on the cluster
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type CephMissingMonitorError struct {
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Names []string
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Addrs []netip.Addr
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}
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func (err *CephMissingMonitorError) appendName(name string) {
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err.Names = append(err.Names, name)
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}
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func (err *CephMissingMonitorError) appendAddr(addr netip.Addr) {
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err.Addrs = append(err.Addrs, addr)
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}
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// OK tells if this instance actual shouldn't be treated as an error
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func (err CephMissingMonitorError) OK() bool {
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switch {
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case len(err.Names) > 0:
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return false
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case len(err.Addrs) > 0:
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return false
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default:
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return true
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}
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}
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func (err CephMissingMonitorError) Error() string {
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if !err.OK() {
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var buf strings.Builder
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_, _ = buf.WriteString("missing:")
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err.writeNames(&buf)
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err.writeAddrs(&buf)
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return buf.String()
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}
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// no error
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return ""
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}
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func (err *CephMissingMonitorError) writeNames(w *strings.Builder) {
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if len(err.Names) > 0 {
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_, _ = w.WriteString(" mon_initial_members:")
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for i, name := range err.Names {
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if i != 0 {
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_, _ = w.WriteRune(',')
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}
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_, _ = w.WriteString(name)
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}
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}
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}
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func (err *CephMissingMonitorError) writeAddrs(w *strings.Builder) {
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if len(err.Addrs) > 0 {
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_, _ = w.WriteString(" mon_host:")
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for i, addr := range err.Addrs {
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if i != 0 {
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_, _ = w.WriteRune(',')
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}
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_, _ = w.WriteString(addr.String())
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}
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}
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}
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// AsError returns nil if the instance is actually OK
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func (err *CephMissingMonitorError) AsError() error {
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if err == nil || err.OK() {
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return nil
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}
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return err
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}
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type cephScanTODO struct {
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names map[string]bool
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addrs map[string]bool
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@@ -111,26 +34,24 @@ func (todo *cephScanTODO) checkMachine(p *Machine) bool {
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return false
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}
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func (todo *cephScanTODO) Missing() error {
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var check CephMissingMonitorError
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func (todo *cephScanTODO) LogMissing(log slog.Logger) {
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for name, found := range todo.names {
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if !found {
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check.appendName(name)
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log.Warn().
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WithField("subsystem", "ceph").
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WithField("monitor", name).
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Print("unknown monitor")
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}
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}
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for addr, found := range todo.addrs {
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if !found {
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var a netip.Addr
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// it wouldn't be on the map if it wasn't valid
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_ = a.UnmarshalText([]byte(addr))
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check.appendAddr(a)
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log.Warn().
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WithField("subsystem", "ceph").
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WithField("monitor", addr).
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Print("unknown monitor")
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}
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}
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return check.AsError()
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}
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func newCephScanTODO(cfg *ceph.Config) *cephScanTODO {
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@@ -169,9 +90,8 @@ func (m *Zones) scanCephMonitors(_ *ScanOptions) error {
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p.CephMonitor = todo.checkMachine(p)
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return false
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})
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if err := todo.Missing(); err != nil {
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return core.Wrap(err, "ceph")
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}
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todo.LogMissing(m.log)
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}
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// make sure every zone has one
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