fix: resolve argocd ui error for externalSecrets, fixes #23886 (#24232)

Signed-off-by: ralf.weber <ralf.weber@cistec.com>
Co-authored-by: ralf.weber <ralf.weber@cistec.com>

resource_customizations/external-secrets.io/ExternalSecret/actions/action_test.yaml

@@ -2,3 +2,8 @@ actionTests:
   - action: refresh
     inputPath: testdata/external-secret.yaml
     expectedOutputPath: testdata/external-secret-updated.yaml
+
+discoveryTests:
+  - inputPath: testdata/external-secret.yaml
+    result:
+      - name: "refresh"

resource_customizations/external-secrets.io/ExternalSecret/actions/discovery.lua

@@ -3,11 +3,13 @@ local actions = {}
 local disable_refresh = false
 local time_units = {"ns", "us", "µs", "ms", "s", "m", "h"}
 local digits = obj.spec.refreshInterval
-for _, time_unit in ipairs(time_units) do
-  digits, _ = digits:gsub(time_unit, "")
-  if tonumber(digits) == 0 then
-    disable_refresh = true
-    break
+if digits ~= nil then
+  digits = tostring(digits)
+  for _, time_unit in ipairs(time_units) do
+    if digits == "0" or digits == "0" .. time_unit then
+      disable_refresh = true
+      break
+    end
   end
 end
 

resource_customizations/external-secrets.io/PushSecret/actions/action_test.yaml

@@ -2,3 +2,8 @@ actionTests:
   - action: push
     inputPath: testdata/push-secret.yaml
     expectedOutputPath: testdata/push-secret-updated.yaml
+
+discoveryTests:
+  - inputPath: testdata/push-secret.yaml
+    result:
+      - name: "push"

resource_customizations/external-secrets.io/PushSecret/actions/discovery.lua

@@ -3,11 +3,13 @@ local actions = {}
 local disable_push = false
 local time_units = {"ns", "us", "µs", "ms", "s", "m", "h"}
 local digits = obj.spec.refreshInterval
-for _, time_unit in ipairs(time_units) do
-  digits, _ = digits:gsub(time_unit, "")
-  if tonumber(digits) == 0 then
-    disable_push = true
-    break
+if digits ~= nil then
+  digits = tostring(digits)
+  for _, time_unit in ipairs(time_units) do
+    if digits == "0" or digits == "0" .. time_unit then
+      disable_push = true
+      break
+    end
   end
 end