feat(nicegui): show list of all images stored in container registry (#43)

anvil/nicegui/utils/registry.py

@@ -0,0 +1,65 @@
+import requests
+from nicegui import ui
+
+
+class DockerRegistry:
+
+    def __init__(
+        self,
+        *,
+        registry_url: str = "https://registry.ublue.local",
+        registry_root_cert: str = "/data/ublue-os_forge-root.pem",
+    ) -> None:
+        """
+        Docker Registry integration for ublue-os forge
+        """
+
+        self.registry_url = registry_url
+        self.registry_root_cert = registry_root_cert
+
+    def get_repositories(self) -> list:
+        endpoint = f"{self.registry_url}/v2/_catalog"
+        response = requests.get(url=endpoint, verify=self.registry_root_cert)
+        if response.status_code == 200:
+            repositories = response.json()["repositories"]
+        else:
+            with self, ui.notify() as notify:
+                notify(message=f"Error: {response.text}")
+        return repositories
+
+    def get_image_tags(self, image_name=str) -> dict:
+        endpoint = f"{self.registry_url}/v2/{image_name}/tags/list"
+        response = requests.get(url=endpoint, verify=self.registry_root_cert)
+        if response.status_code == 200:
+            tags = response.json()["tags"]
+        else:
+            with self, ui.notify() as notify:
+                notify(message=f"Error: {response.text}")
+        return tags
+
+    def get_image_manifest(self, image_name=str, image_tag=str) -> dict:
+        endpoint = f"{self.registry_url}/v2/{image_name}/manifests/{image_tag}"
+        headers = {"accept": "application/vnd.oci.image.manifest.v1+json"}
+        response = requests.get(
+            url=endpoint, verify=self.registry_root_cert, headers=headers
+        )
+        if response.status_code == 200:
+            manifest = response.json()
+        else:
+            with self, ui.notify() as notify:
+                notify(message=f"Error: {response.text}")
+        return manifest
+
+    def get_all_image_info(self, image_name=str) -> list:
+        repositories = self.get_repositories()
+        all_image_info = []
+        for repository in repositories:
+            tags = self.get_image_tags(image_name=repository)
+            for tag in tags:
+                manifest = self.get_image_manifest(image_name=repository, image_tag=tag)
+                image_info = {
+                    "name": repository,
+                    "tags": [{"name": tag, "manifest": manifest}],
+                }
+                all_image_info.append(image_info)
+        return all_image_info