Added replaceAll support for go templates (#5468)

nginxinc · May 1, 2024 · 7f19bed · 7f19bed
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diff --git a/docs/content/configuration/ingress-resources/custom-annotations.md b/docs/content/configuration/ingress-resources/custom-annotations.md
@@ -112,6 +112,7 @@ Helper functions can be used in the Ingress template to parse the values of cust
 | ``hasSuffix`` | ``s, suffix string`` | ``bool`` | Tests whether the string ``suffix`` is a suffix of the string ``s``. |
 | ``toLower`` | ``s string`` | ``bool`` | Converts all letters in the string ``s`` to their lower case. |
 | ``toUpper`` | ``s string`` | ``bool`` | Converts all letters in the string ``s`` to their upper case. |
+| ``replaceAll`` | ``s, old, new string`` | ``string`` | Replaces all occurrences of ``old`` with ``new`` in the string ``s``. |
 {{% /table %}}
 
 Consider the following custom annotation `custom.nginx.org/allowed-ips`, which expects a comma-separated list of IP addresses:

diff --git a/internal/configs/version1/template_helper.go b/internal/configs/version1/template_helper.go
@@ -190,6 +190,7 @@ var helperFunctions = template.FuncMap{
 	"hasSuffix":               strings.HasSuffix,
 	"toLower":                 strings.ToLower,
 	"toUpper":                 strings.ToUpper,
+	"replaceAll":              strings.ReplaceAll,
 	"makeLocationPath":        makeLocationPath,
 	"makeSecretPath":          commonhelpers.MakeSecretPath,
 	"generateProxySetHeaders": generateProxySetHeaders,

diff --git a/internal/configs/version2/template_helper.go b/internal/configs/version2/template_helper.go
@@ -129,6 +129,7 @@ var helperFunctions = template.FuncMap{
 	"hasSuffix":         strings.HasSuffix,
 	"toLower":           strings.ToLower,
 	"toUpper":           strings.ToUpper,
+	"replaceAll":        strings.ReplaceAll,
 	"makeHTTPListener":  makeHTTPListener,
 	"makeHTTPSListener": makeHTTPSListener,
 	"makeSecretPath":    commonhelpers.MakeSecretPath,