fix(docker/k8s): Fix image naming

We had previously hack with hardcoding ghcr.io.
Now we make it more flexible, so people can set their own
image url, and our staging instance automatically add staging-
prefix in appropriate place.

Signed-off-by: Denys Fedoryshchenko <[email protected]>

config/runtime/base/kubernetes.jinja2

@@ -32,7 +32,7 @@ spec:
 
       containers:
       - name: kernelci
-        image: ghcr.io/{{ runtime_image }}
+        image: {{ runtime_image }}
         imagePullPolicy: Always
 
         volumeMounts:

kernelci/runtime/__init__.py

@@ -147,6 +147,23 @@ def get_params(self, job, api_config=None):
                 if not device_dtb:
                     print(f"dtb file {job.platform_config.dtb} not found!")
                     return None
+        # we add a bit of advanced logic for docker image
+        instance = os.getenv('KCI_INSTANCE', 'prod')
+        if instance != 'prod':
+            # if we dont have '/' in the image name, we add the ghcr.io/ prefix
+            if '/' not in job.config.image:
+                imageurl = f'ghcr.io/kernelci/staging-{job.config.image}'
+            else:
+                # we need split image name and path
+                prefix = job.config.image.rsplit('/', 1)[0]
+                imagename = job.config.image.rsplit('/', 1)[1]
+                imageurl = f'{prefix}/staging-{imagename}'
+        else:
+            if '/' not in job.config.image:
+                imageurl = f'ghcr.io/kernelci/{job.config.image}'
+            else:
+                imageurl = job.config.image
+
         params = {
             'api_config': api_config or {},
             'storage_config': job.storage_config or {},