Merge pull request #8318 from openshift-cherrypick-robot/cherry-pick-…

…8272-to-release-4.14

[release-4.14] OCPBUGS-33010: escape '%' in proxy settings

data/data/bootstrap/files/etc/systemd/system.conf.d/10-default-env.conf.template

@@ -1,12 +1,12 @@
 {{if .Proxy -}}
 [Manager]
 {{if .Proxy.HTTPProxy -}}
-DefaultEnvironment=HTTP_PROXY="{{.Proxy.HTTPProxy}}"
+DefaultEnvironment=HTTP_PROXY="{{replace .Proxy.HTTPProxy "%" "%%"}}"
 {{end -}}
 {{if .Proxy.HTTPSProxy -}}
-DefaultEnvironment=HTTPS_PROXY="{{.Proxy.HTTPSProxy}}"
+DefaultEnvironment=HTTPS_PROXY="{{replace .Proxy.HTTPSProxy "%" "%%"}}"
 {{end -}}
 {{if .Proxy.NoProxy -}}
 DefaultEnvironment=NO_PROXY="{{.Proxy.NoProxy}}"
 {{end -}}
-{{end -}}
+{{end -}}

pkg/asset/ignition/bootstrap/common.go

@@ -507,6 +507,11 @@ func AddSystemdUnits(config *igntypes.Config, uri string, templateData interface
 	return nil
 }
 
+// replace is an utilitary function to do string replacement in templates.
+func replace(input, from, to string) string {
+	return strings.ReplaceAll(input, from, to)
+}
+
 // Read data from the string reader, and, if the name ends with
 // '.template', strip that extension from the name and render the
 // template.
@@ -518,7 +523,7 @@ func readFile(name string, reader io.Reader, templateData interface{}) (finalNam
 
 	if filepath.Ext(name) == ".template" {
 		name = strings.TrimSuffix(name, ".template")
-		tmpl := template.New(name)
+		tmpl := template.New(name).Funcs(template.FuncMap{"replace": replace})
 		tmpl, err := tmpl.Parse(string(data))
 		if err != nil {
 			return name, data, err