fix(homepage integration): change structure of custom parameters (#640)

**Description**
Current parameters system is not displayable in SCALE.


**⚙️ Type of change**

- [ ] ⚙️ Feature/App addition
- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code

**🧪 How Has This Been Tested?**
<!--
Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
for your test configuration
-->

**📃 Notes:**
<!-- Please enter any other relevant information here -->

**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
- [ ] ⬆️ I increased versions for any altered app according to semantic
versioning

**➕ App addition**

If this PR is an app addition please make sure you have done the
following.

- [ ] 🪞 I have opened a PR on
[truecharts/containers](https://github.com/truecharts/containers) adding
the container to TrueCharts mirror repo.
- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

---

_Please don't blindly check all the boxes. Read them and only check
those that apply.
Those checkboxes are there for the reviewer to see what is this all
about and
the status of this PR with a quick glance._

---------

Co-authored-by: Stavros Kois <[email protected]>

library/common-test/tests/ingress/homepage_test.yaml

@@ -62,6 +62,11 @@ tests:
                 custom:
                   some-key: some-value
                   some-other-key: some-other-value
+                customkv:
+                  - key: some-key-slice
+                    value: some-value-slice
+                  - key: some-other-key-slice
+                    value: some-other-value-slice
           hosts: &hosts
             - host: test-host
               paths:
@@ -106,6 +111,8 @@ tests:
             gethomepage.dev/pod-selector: pod.name in (main,other)
             gethomepage.dev/widget.some-key: some-value
             gethomepage.dev/widget.some-other-key: some-other-value
+            gethomepage.dev/widget.some-key-slice: some-value-slice
+            gethomepage.dev/widget.some-other-key-slice: some-other-value-slice
       - documentIndex: *otherIngressDoc
         equal:
           path: metadata.name
@@ -154,3 +161,45 @@ tests:
     asserts:
       - failedTemplate:
           errorMessage: Ingress - Expected [integrations.homepage.widget.custom] to be a [map], but got [string]
+
+  - it: should fail with customkv widget not a slice
+    set:
+      operator: *operator
+      service: *service
+      ingress:
+        my-ingress1:
+          enabled: true
+          primary: true
+          integrations:
+            traefik:
+              enabled: false
+            homepage:
+              enabled: true
+              widget:
+                customkv: "not a slice"
+          hosts: *hosts
+    asserts:
+      - failedTemplate:
+          errorMessage: Ingress - Expected [integrations.homepage.widget.customkv] to be a [slice], but got [string]
+
+  - it: should fail with customkv having empty key
+    set:
+      operator: *operator
+      service: *service
+      ingress:
+        my-ingress1:
+          enabled: true
+          primary: true
+          integrations:
+            traefik:
+              enabled: false
+            homepage:
+              enabled: true
+              widget:
+                customkv:
+                  - key: ""
+                    value: some-value
+          hosts: *hosts
+    asserts:
+      - failedTemplate:
+          errorMessage: Ingress - Expected non-empty [key] in [integrations.homepage.widget.customkv]

library/common/Chart.yaml

@@ -15,4 +15,4 @@ maintainers:
 name: common
 sources: null
 type: library
-version: 16.2.10
+version: 16.2.11

library/common/templates/lib/ingress/integrations/_homepage.tpl

@@ -46,6 +46,9 @@
       {{- range $k, $v := $homepage.widget.custom -}}
         {{- $_ := set $objectData.annotations (printf "gethomepage.dev/widget.%s" $k) (tpl $v $rootCtx | toString) -}}
       {{- end -}}
+      {{- range $homepage.widget.customkv -}}
+        {{- $_ := set $objectData.annotations (printf "gethomepage.dev/widget.%s" .key ) (tpl .value $rootCtx | toString) -}}
+      {{- end -}}
     {{- end -}}
 
     {{- with $homepage.podSelector -}}
@@ -72,4 +75,15 @@
       {{- fail (printf "Ingress - Expected [integrations.homepage.widget.custom] to be a [map], but got [%s]" (kindOf $homepage.widget.custom)) -}}
     {{- end -}}
   {{- end -}}
+
+  {{- if $homepage.widget.customkv -}}
+    {{- if not (kindIs "slice" $homepage.widget.customkv) -}}
+      {{- fail (printf "Ingress - Expected [integrations.homepage.widget.customkv] to be a [slice], but got [%s]" (kindOf $homepage.widget.customkv)) -}}
+    {{- end -}}
+    {{- range $item := $homepage.widget.customkv -}}
+      {{- if not $item.key -}}
+        {{- fail "Ingress - Expected non-empty [key] in [integrations.homepage.widget.customkv]" -}}
+      {{- end -}}
+    {{- end -}}
+  {{- end -}}
 {{- end -}}

library/common/values.yaml

@@ -621,7 +621,10 @@ ingress:
           # Default to ingress host 0
           url: ""
           custom:
-            # - somesetting: some value
+            # somesetting: some value
+          customkv:
+            # - key: some key
+            #   value: some value
 
 certificate: {}
   # main: