refactoring and updates

- migrate to new azuresdk
- switch to golang 1.24
- add auto GOMAXPROCS and memory limits
- switch to zap logging
- add annotations

Signed-off-by: Markus Blaschke <mblaschke82@gmail.com>

Author: mblaschke

Dockerfile

@@ -1,7 +1,7 @@
 #############################################
 # Build
 #############################################
-FROM --platform=$BUILDPLATFORM golang:1.19-alpine as build
+FROM --platform=$BUILDPLATFORM golang:1.24-alpine as build
 
 RUN apk upgrade --no-cache --force
 RUN apk add --update build-base make git

bootstraptoken/token.go

@@ -4,8 +4,6 @@ import (
 	"fmt"
 	"strings"
 	"time"
-
-	"github.com/Azure/go-autorest/autorest/date"
 )
 
 type (
@@ -14,9 +12,21 @@ type (
 		secret         string
 		creationTime   *time.Time
 		expirationTime *time.Time
+
+		annotations map[string]string
 	}
 )
 
+func NewBootstrapToken(id, secret string) *BootstrapToken {
+	token := BootstrapToken{
+		id:          id,
+		secret:      secret,
+		annotations: make(map[string]string),
+	}
+
+	return &token
+}
+
 func (t *BootstrapToken) Id() string {
 	return t.id
 }
@@ -33,11 +43,6 @@ func (t *BootstrapToken) SetExpirationTime(val time.Time) {
 	t.expirationTime = &val
 }
 
-func (t *BootstrapToken) SetExpirationUnixTime(val date.UnixTime) {
-	expirationTime := date.UnixEpoch().Add(val.Duration())
-	t.expirationTime = &expirationTime
-}
-
 func (t *BootstrapToken) ExpirationTime() *time.Time {
 	return t.expirationTime
 }
@@ -55,52 +60,27 @@ func (t *BootstrapToken) ExpirationString() (expiration string) {
 	return
 }
 
-func (t *BootstrapToken) ExpirationUnixTime() (val *date.UnixTime) {
-	if t.expirationTime != nil {
-		unixTime := date.NewUnixTimeFromDuration(t.expirationTime.Sub(date.UnixEpoch()))
-		val = &unixTime
-	}
-	return
-}
-
 func (t *BootstrapToken) SetCreationTime(val time.Time) {
 	t.creationTime = &val
 }
 
-func (t *BootstrapToken) SetCreationUnixTime(val date.UnixTime) {
-	creationTime := date.UnixEpoch().Add(val.Duration())
-	t.creationTime = &creationTime
-}
-
 func (t *BootstrapToken) CreationTime() *time.Time {
 	return t.creationTime
 }
 
-func (t *BootstrapToken) CreationUnixTime() (val *date.UnixTime) {
-	if t.creationTime != nil {
-		unixTime := date.NewUnixTimeFromDuration(t.creationTime.Sub(date.UnixEpoch()))
-		val = &unixTime
-	}
-	return
-}
-
-func NewBootstrapToken(id, secret string) *BootstrapToken {
-	token := BootstrapToken{
-		id:     id,
-		secret: secret,
-	}
-	return &token
-}
-
 func ParseFromString(value string) *BootstrapToken {
 	tokenParts := strings.SplitN(value, ".", 2)
 	if len(tokenParts) == 2 {
-		token := BootstrapToken{
-			id:     tokenParts[0],
-			secret: tokenParts[1],
-		}
-		return &token
+		return NewBootstrapToken(tokenParts[0], tokenParts[1])
 	}
 
 	return nil
 }
+
+func (t *BootstrapToken) SetAnnotation(name, value string) {
+	t.annotations[name] = value
+}
+
+func (t *BootstrapToken) Annotations() map[string]string {
+	return t.annotations
+}