Proof of concept interaction with the Google Container Registry.

httpx_gcr.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%load_ext lab_black"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import logging"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "logging.basicConfig(level=\"DEBUG\")\n",
    "logging.getLogger(\"blib2to3\").setLevel(logging.WARNING)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import httpx"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "registry_url = \"https://gcr.io\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "authentication_url = \"https://gcr.io/v2/token\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "image = \"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "service = \"gcr.io\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "output = !gcloud auth print-access-token\n",
    "token = output[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "response = httpx.get(\n",
    "    authentication_url,\n",
    "    params={\"scope\": f\"repository:{image}:pull\", \"service\": service},\n",
    "    headers={\n",
    "        \"Authorization\": f\"Bearer {token}\",\n",
    "        \"Accept\": \"application/vnd.docker.distribution.manifest.v2+json\",\n",
    "    },\n",
    ")\n",
    "access_token = response.json()[\"token\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "with httpx.Client(\n",
    "    base_url=registry_url,\n",
    "    headers={\n",
    "        \"Authorization\": f\"Bearer {access_token}\",\n",
    "        \"Accept\": \"application/vnd.docker.distribution.manifest.v2+json\",\n",
    "    },\n",
    ") as client:\n",
    "    response = client.get(\"/v2/\")\n",
    "response"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "digest = \"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "with httpx.Client(\n",
    "    base_url=registry_url,\n",
    "    headers={\n",
    "        \"Authorization\": f\"Bearer {access_token}\",\n",
    "        \"Accept\": \"application/vnd.docker.distribution.manifest.v2+json\",\n",
    "    },\n",
    ") as client:\n",
    "    response = client.get(f\"/v2/{image}/blobs/{digest}\")\n",
    "response"
   ]
  }
 ],
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   "pygments_lexer": "ipython3",
   "version": "3.8.1"
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 },
 "nbformat": 4,
 "nbformat_minor": 4
}

urllib_gcr.ipynb