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Add option to supply user agents to ignore via config (#173)

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This commit is contained in:
gadotroee
2021-08-09 12:27:13 +03:00
committed by GitHub
parent e36c146979
commit 413fb5b3f5
11 changed files with 53 additions and 39 deletions
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10
agent/main.go
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@@ -149,15 +149,13 @@ func getTrafficFilteringOptions() *shared.TrafficFilteringOptions {
return &filteringOptions
}
var userAgentsToFilter = []string{"kube-probe", "prometheus"}
func filterHarItems(inChannel <-chan *tap.OutputChannelItem, outChannel chan *tap.OutputChannelItem, filterOptions *shared.TrafficFilteringOptions) {
for message := range inChannel {
if message.ConnectionInfo.IsOutgoing && api.CheckIsServiceIP(message.ConnectionInfo.ServerIP) {
continue
}
// TODO: move this to tappers https://up9.atlassian.net/browse/TRA-3441
if filterOptions.HideHealthChecks && isHealthCheckByUserAgent(message) {
if isHealthCheckByUserAgent(message, filterOptions.HealthChecksUserAgentHeaders) {
continue
}
@@ -169,11 +167,11 @@ func filterHarItems(inChannel <-chan *tap.OutputChannelItem, outChannel chan *ta
}
}
func isHealthCheckByUserAgent(message *tap.OutputChannelItem) bool {
func isHealthCheckByUserAgent(message *tap.OutputChannelItem, userAgentsToIgnore []string) bool {
for _, header := range message.HarEntry.Request.Headers {
if strings.ToLower(header.Name) == "user-agent" {
for _, userAgent := range userAgentsToFilter {
if strings.Contains(strings.ToLower(header.Value), userAgent) {
for _, userAgent := range userAgentsToIgnore {
if strings.Contains(strings.ToLower(header.Value), strings.ToLower(userAgent)) {
return true
}
}