Simplify code around latest state change map updates

This commit is contained in:
Andrey Pechkurov 2022-10-27 23:09:29 +03:00
parent a647e6af24
commit 0e12b66706
5 changed files with 12 additions and 27 deletions

14
app.go
View File

@ -24,7 +24,7 @@ import (
"github.com/patrickmn/go-cache"
zerolog "github.com/philip-bui/grpc-zerolog"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/puzpuzpuz/xsync"
"github.com/puzpuzpuz/xsync/v2"
zl "github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"golang.org/x/crypto/acme"
@ -94,7 +94,7 @@ type Headscale struct {
aclPolicy *ACLPolicy
aclRules []tailcfg.FilterRule
lastStateChange *xsync.MapOf[time.Time]
lastStateChange *xsync.MapOf[string, time.Time]
oidcProvider *oidc.Provider
oauth2Config *oauth2.Config
@ -884,7 +884,7 @@ func (h *Headscale) setLastStateChangeToNow() {
now := time.Now().UTC()
namespaces, err := h.ListNamespacesStr()
namespaces, err := h.ListNamespaces()
if err != nil {
log.Error().
Caller().
@ -893,22 +893,22 @@ func (h *Headscale) setLastStateChangeToNow() {
}
for _, namespace := range namespaces {
lastStateUpdate.WithLabelValues(namespace, "headscale").Set(float64(now.Unix()))
lastStateUpdate.WithLabelValues(namespace.Name, "headscale").Set(float64(now.Unix()))
if h.lastStateChange == nil {
h.lastStateChange = xsync.NewMapOf[time.Time]()
}
h.lastStateChange.Store(namespace, now)
h.lastStateChange.Store(namespace.Name, now)
}
}
func (h *Headscale) getLastStateChange(namespaces ...string) time.Time {
func (h *Headscale) getLastStateChange(namespaces ...Namespace) time.Time {
times := []time.Time{}
// getLastStateChange takes a list of namespaces as a "filter", if no namespaces
// are past, then use the entier list of namespaces and look for the last update
if len(namespaces) > 0 {
for _, namespace := range namespaces {
if lastChange, ok := h.lastStateChange.Load(namespace); ok {
if lastChange, ok := h.lastStateChange.Load(namespace.Name); ok {
times = append(times, lastChange)
}
}

2
go.mod
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@ -22,7 +22,6 @@ require (
github.com/prometheus/client_golang v1.13.0
github.com/prometheus/common v0.37.0
github.com/pterm/pterm v0.12.45
github.com/puzpuzpuz/xsync v1.4.3
github.com/rs/zerolog v1.28.0
github.com/spf13/cobra v1.5.0
github.com/spf13/viper v1.12.0
@ -117,6 +116,7 @@ require (
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/prometheus/client_model v0.2.0 // indirect
github.com/prometheus/procfs v0.8.0 // indirect
github.com/puzpuzpuz/xsync/v2 v2.0.2 // indirect
github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
github.com/rivo/uniseg v0.2.0 // indirect
github.com/rogpeppe/go-internal v1.8.1-0.20211023094830-115ce09fd6b4 // indirect

4
go.sum
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@ -846,8 +846,8 @@ github.com/pterm/pterm v0.12.36/go.mod h1:NjiL09hFhT/vWjQHSj1athJpx6H8cjpHXNAK5b
github.com/pterm/pterm v0.12.40/go.mod h1:ffwPLwlbXxP+rxT0GsgDTzS3y3rmpAO1NMjUkGTYf8s=
github.com/pterm/pterm v0.12.45 h1:5HATKLTDjl9D74b0x7yiHzFI7OADlSXK3yHrJNhRwZE=
github.com/pterm/pterm v0.12.45/go.mod h1:hJgLlBafm45w/Hr0dKXxY//POD7CgowhePaG1sdPNBg=
github.com/puzpuzpuz/xsync v1.4.3 h1:nS/Iqc4EnpJ8jm/MzJ+e3MUaP2Ys2mqXeEfoxoU0HaM=
github.com/puzpuzpuz/xsync v1.4.3/go.mod h1:K98BYhX3k1dQ2M63t1YNVDanbwUPmBCAhNmVrrxfiGg=
github.com/puzpuzpuz/xsync/v2 v2.0.2 h1:IpXQ8gGkrnZlLGpJLDmq56sYjNhF88n934Yq5BV5fKw=
github.com/puzpuzpuz/xsync/v2 v2.0.2/go.mod h1:gD2H2krq/w52MfPLE+Uy64TzJDVY7lP2znR9qmR35kU=
github.com/quasilyte/go-consistent v0.0.0-20190521200055-c6f3937de18c/go.mod h1:5STLWrekHfjyYwxBRVRXNOSewLJ3PWfDJd1VyTS21fI=
github.com/quasilyte/go-ruleguard v0.3.1-0.20210203134552-1b5a410e1cc8/go.mod h1:KsAh3x0e7Fkpgs+Q9pNLS5XpFSvYCEVl5gP9Pp1xp30=
github.com/quasilyte/go-ruleguard v0.3.13/go.mod h1:Ul8wwdqR6kBVOCt2dipDBkE+T6vAV/iixkrKuRTN1oQ=

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@ -148,21 +148,6 @@ func (h *Headscale) ListNamespaces() ([]Namespace, error) {
return namespaces, nil
}
func (h *Headscale) ListNamespacesStr() ([]string, error) {
namespaces, err := h.ListNamespaces()
if err != nil {
return []string{}, err
}
namespaceStrs := make([]string, len(namespaces))
for index, namespace := range namespaces {
namespaceStrs[index] = namespace.Name
}
return namespaceStrs, nil
}
// ListMachinesInNamespace gets all the nodes in a given namespace.
func (h *Headscale) ListMachinesInNamespace(name string) ([]Machine, error) {
err := CheckForFQDNRules(name)

View File

@ -449,7 +449,7 @@ func (h *Headscale) pollNetMapStream(
Bool("noise", isNoise).
Str("machine", machine.Hostname).
Time("last_successful_update", lastUpdate).
Time("last_state_change", h.getLastStateChange(machine.Namespace.Name)).
Time("last_state_change", h.getLastStateChange(machine.Namespace)).
Msgf("There has been updates since the last successful update to %s", machine.Hostname)
data, err := h.getMapResponseData(mapRequest, machine, false)
if err != nil {
@ -549,7 +549,7 @@ func (h *Headscale) pollNetMapStream(
Bool("noise", isNoise).
Str("machine", machine.Hostname).
Time("last_successful_update", lastUpdate).
Time("last_state_change", h.getLastStateChange(machine.Namespace.Name)).
Time("last_state_change", h.getLastStateChange(machine.Namespace)).
Msgf("%s is up to date", machine.Hostname)
}