feat: possibility to override image tag programmatically (#1)

Author: oOraph

charts/common/templates/_images.tpl

@@ -1,14 +1,14 @@
 {{/* vim: set filetype=mustache: */}}
 {{/*
 Return the proper image name
-{{ include "hf.common.images.image" ( dict "imageRoot" .Values.path.to.the.image "global" .Values.global ) }}
+{{ include "hf.common.images.image" ( dict "imageRoot" .Values.path.to.the.image "global" .Values.global "tag" .Chart.AppVersion ) }}
 */}}
 {{- define "hf.common.images.image" -}}
 {{- $useGlobalRegistry := or (not (hasKey .imageRoot "useGlobalRegistry")) .imageRoot.useGlobalRegistry -}}
 {{- $registryName := .imageRoot.registry -}}
 {{- $repositoryName := .imageRoot.repository -}}
 {{- $separator := ":" -}}
-{{- $termination := .imageRoot.tag | toString -}}
+{{- $termination := .imageRoot.tag | default .tag | toString -}}
 {{- if .global }}
     {{- if and .global.imageRegistry $useGlobalRegistry }}
      {{- $registryName = .global.imageRegistry -}}
@@ -33,7 +33,7 @@ Return the proper Docker Image Registry Secret Names evaluating values as templa
   {{- $pullSecrets := list }}
   {{- $context := .context }}
 
-  {{- if $context.Values.global.huggingface }}
+  {{- if and $context $context.Values $context.Values.global $context.Values.global.huggingface $context.Values.global.huggingface.imagePullSecrets }}
     {{- range $context.Values.global.huggingface.imagePullSecrets -}}
       {{- $pullSecrets = append $pullSecrets (include "hf.common.tplvalues.render" (dict "value" . "context" $context)) -}}
     {{- end -}}
@@ -51,4 +51,4 @@ imagePullSecrets:
   - name: {{ . }}
     {{- end }}
   {{- end }}
-{{- end -}}
+{{- end -}}

charts/unit-tests/templates/_helpers.yaml

@@ -7,9 +7,13 @@
 {{- end -}}
 
 {{- define "appManager.image" -}}
-{{ include "hf.common.images.image" (dict "imageRoot" .Values.images.appManager "global" .Values.global.huggingface) | quote }}
+{{ include "hf.common.images.image" (dict "imageRoot" .Values.images.appManager "global" .Values.global.huggingface "tag" .Chart.AppVersion) | quote }}
+{{- end -}}
+
+{{- define "someApp.image" -}}
+{{ include "hf.common.images.image" (dict "imageRoot" .Values.images.someApp "global" .Values.global.huggingface "tag" .Chart.AppVersion) | quote }}
 {{- end -}}
 
 {{- define "test.imagePullSecrets" -}}
 {{ include "hf.common.images.renderPullSecrets" (dict "images" (list .Values.images) "context" $) }}
-{{- end -}}
+{{- end -}}

charts/unit-tests/templates/deployment.yaml

@@ -21,4 +21,7 @@ spec:
           imagePullPolicy: {{ .Values.images.pullPolicy }}
         - name: test-global-registry
           image: {{ include "appManager.image" . }}
-          imagePullPolicy: {{ .Values.images.pullPolicy }}
+          imagePullPolicy: {{ .Values.images.pullPolicy }}
+        - name: hello-world
+          image: {{ include "someApp.image" . }}
+          imagePullPolicy: {{ .Values.images.pullPolicy }}

charts/unit-tests/tests/deployment_test.yaml

@@ -65,6 +65,18 @@ tests:
           path: spec.template.spec.containers[2].image
           value: spaces/app-manager:latest
 
+  - it: deployment should have the correct image tag reflecting chart appVersion
+    values:
+      - test-values.yaml
+    template: deployment.yaml
+    asserts:
+      - equal:
+          path: spec.template.spec.containers[3].name
+          value: hello-world
+      - equal:
+          path: spec.template.spec.containers[3].image
+          value: hello/world:1.0.0
+
   - it: deployment shouldn't have imagePullSecret
     values:
       - test-values.yaml

charts/unit-tests/tests/test-values.yaml

@@ -21,3 +21,5 @@ images:
   appManager:
     repository: spaces/app-manager
     tag: latest
+  someApp:
+    repository: hello/world