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feat: support full path regex annotation (#286)

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Signed-off-by: charlie <qianglin98@qq.com>
This commit is contained in:
Qianglin Li
2023-06-02 18:56:22 +08:00
committed by GitHub
parent b23fae7a12
commit 80d6ecfddb
11 changed files with 215 additions and 23 deletions
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14
pkg/ingress/kube/annotations/rewrite.go
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@@ -25,6 +25,7 @@ const (
rewritePath = "rewrite-path"
rewriteTarget = "rewrite-target"
useRegex = "use-regex"
fullPathRegex = "full-path-regex"
upstreamVhost = "upstream-vhost"
re2Regex = "\\$[0-9]"
@@ -38,6 +39,7 @@ var (
type RewriteConfig struct {
RewriteTarget string
UseRegex bool
FullPathRegex bool
RewriteHost string
RewritePath string
}
@@ -52,13 +54,16 @@ func (r rewrite) Parse(annotations Annotations, config *Ingress, _ *GlobalContex
rewriteConfig := &RewriteConfig{}
rewriteConfig.RewriteTarget, _ = annotations.ParseStringASAP(rewriteTarget)
rewriteConfig.UseRegex, _ = annotations.ParseBoolASAP(useRegex)
rewriteConfig.FullPathRegex, _ = annotations.ParseBoolForHigress(fullPathRegex)
rewriteConfig.RewriteHost, _ = annotations.ParseStringASAP(upstreamVhost)
rewriteConfig.RewritePath, _ = annotations.ParseStringForHigress(rewritePath)
if rewriteConfig.RewritePath == "" && rewriteConfig.RewriteTarget != "" {
// When rewrite target is present and not empty,
// we will enforce regex match on all rules in this ingress.
rewriteConfig.UseRegex = true
if !rewriteConfig.UseRegex && !rewriteConfig.FullPathRegex {
rewriteConfig.UseRegex = true
}
// We should convert nginx regex rule to envoy regex rule.
rewriteConfig.RewriteTarget = convertToRE2(rewriteConfig.RewriteTarget)
@@ -108,12 +113,13 @@ func convertToRE2(target string) string {
func NeedRegexMatch(annotations map[string]string) bool {
target, _ := Annotations(annotations).ParseStringASAP(rewriteTarget)
regex, _ := Annotations(annotations).ParseBoolASAP(useRegex)
useRegex, _ := Annotations(annotations).ParseBoolASAP(useRegex)
fullPathRegex, _ := Annotations(annotations).ParseBoolForHigress(fullPathRegex)
return regex || target != ""
return useRegex || target != "" || fullPathRegex
}
func needRewriteConfig(annotations Annotations) bool {
return annotations.HasASAP(rewriteTarget) || annotations.HasASAP(useRegex) ||
annotations.HasASAP(upstreamVhost) || annotations.HasHigress(rewritePath)
annotations.HasASAP(upstreamVhost) || annotations.HasHigress(rewritePath) || annotations.HasHigress(fullPathRegex)
}