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Global Filter, escaping doublequotes in strings (#1484)

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* Global filter quote change

Global filter uses a single quote as opposed to double quote. This limits the use of `'` inside the string as it can not be escaped. When using double quote ("), single quote can be used and double quote can be escaped as part of a string. An example for a Global Filter string: "redact(\"request.headers.Authorization\", \"request.headers['X-Aws-Ec2-Metadata-Token']\")"

* support escaping double quotes in  the global filter string
This commit is contained in:
Alon Girmonsky 2024-01-19 16:51:33 -08:00 committed by GitHub
parent b0af52ba9c
commit f2b7df7e02
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2 changed files with 9 additions and 1 deletions
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2
helm-chart/templates/12-config-map.yaml
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@ -16,5 +16,5 @@ data:
AUTH_APPROVED_TENANTS: '{{ gt (len .Values.tap.auth.approvedTenants) 0 | ternary (join "," .Values.tap.auth.approvedTenants) "" }}'
TELEMETRY_DISABLED: '{{ not .Values.tap.telemetry.enabled | ternary "true" "" }}'
REPLAY_DISABLED: '{{ .Values.tap.replayDisabled | ternary "true" "" }}'
GLOBAL_FILTER: '{{ .Values.tap.globalFilter }}'
GLOBAL_FILTER: {{ include "kubeshark.escapeDoubleQuotes" .Values.tap.globalFilter | quote }}
TRAFFIC_SAMPLE_RATE: '{{ .Values.tap.trafficSampleRate }}'

8
helm-chart/templates/_helpers.tpl
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@ -48,3 +48,11 @@ Create the name of the service account to use
{{- define "kubeshark.serviceAccountName" -}}
{{- printf "%s-service-account" .Release.Name }}
{{- end }}
{{/*
Escape double quotes in a string
*/}}
{{- define "kubeshark.escapeDoubleQuotes" -}}
{{- regexReplaceAll "\"" . "\"" -}}
{{- end -}}