From cbb61faed494381b0c655d811920413b31fd294d Mon Sep 17 00:00:00 2001
From: khramshinr <khramshinr@gmail.com>
Date: Mon, 27 May 2024 20:34:52 +0600
Subject: T5786: Add set/show system image to /image endpoint

---
 python/vyos/configsession.py                |  6 ++++
 smoketest/scripts/cli/test_service_https.py | 41 +++++++++++++++++++++++++
 src/services/vyos-http-api-server           | 46 +++++++++++++++++++----------
 3 files changed, 77 insertions(+), 16 deletions(-)

diff --git a/python/vyos/configsession.py b/python/vyos/configsession.py
index ab7a631bb..beec6010b 100644
--- a/python/vyos/configsession.py
+++ b/python/vyos/configsession.py
@@ -34,6 +34,8 @@ INSTALL_IMAGE = ['/usr/libexec/vyos/op_mode/image_installer.py',
                  '--action', 'add', '--no-prompt', '--image-path']
 REMOVE_IMAGE = ['/usr/libexec/vyos/op_mode/image_manager.py',
                 '--action', 'delete', '--no-prompt', '--image-name']
+SET_DEFAULT_IMAGE = ['/usr/libexec/vyos/op_mode/image_manager.py',
+                '--action', 'set', '--no-prompt', '--image-name']
 GENERATE = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'generate']
 SHOW = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'show']
 RESET = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'reset']
@@ -235,6 +237,10 @@ class ConfigSession(object):
         out = self.__run_command(REMOVE_IMAGE + [name])
         return out
 
+    def set_default_image(self, name):
+        out = self.__run_command(SET_DEFAULT_IMAGE + [name])
+        return out
+
     def generate(self, path):
         out = self.__run_command(GENERATE + path)
         return out
diff --git a/smoketest/scripts/cli/test_service_https.py b/smoketest/scripts/cli/test_service_https.py
index f2a64627f..8a6386e4f 100755
--- a/smoketest/scripts/cli/test_service_https.py
+++ b/smoketest/scripts/cli/test_service_https.py
@@ -411,6 +411,47 @@ class TestHTTPSService(VyOSUnitTestSHIM.TestCase):
         r = request('POST', url, verify=False, headers=headers, data=payload)
         self.assertEqual(r.status_code, 200)
 
+    @ignore_warning(InsecureRequestWarning)
+    def test_api_image(self):
+        address = '127.0.0.1'
+        key = 'VyOS-key'
+        url = f'https://{address}/image'
+        headers = {}
+
+        self.cli_set(base_path + ['api', 'keys', 'id', 'key-01', 'key', key])
+        self.cli_commit()
+
+        payload = {
+            'data': '{"op": "add"}',
+            'key': f'{key}',
+        }
+        r = request('POST', url, verify=False, headers=headers, data=payload)
+        self.assertEqual(r.status_code, 400)
+        self.assertIn('Missing required field "url"', r.json().get('error'))
+
+        payload = {
+            'data': '{"op": "delete"}',
+            'key': f'{key}',
+        }
+        r = request('POST', url, verify=False, headers=headers, data=payload)
+        self.assertEqual(r.status_code, 400)
+        self.assertIn('Missing required field "name"', r.json().get('error'))
+
+        payload = {
+            'data': '{"op": "set_default"}',
+            'key': f'{key}',
+        }
+        r = request('POST', url, verify=False, headers=headers, data=payload)
+        self.assertEqual(r.status_code, 400)
+        self.assertIn('Missing required field "name"', r.json().get('error'))
+
+        payload = {
+            'data': '{"op": "show"}',
+            'key': f'{key}',
+        }
+        r = request('POST', url, verify=False, headers=headers, data=payload)
+        self.assertEqual(r.status_code, 200)
+
     @ignore_warning(InsecureRequestWarning)
     def test_api_config_file_load_http(self):
         # Test load config from HTTP URL
diff --git a/src/services/vyos-http-api-server b/src/services/vyos-http-api-server
index ecbf6fcf9..7f5233c6b 100755
--- a/src/services/vyos-http-api-server
+++ b/src/services/vyos-http-api-server
@@ -23,16 +23,17 @@ import logging
 import signal
 import traceback
 import threading
+from enum import Enum
 
 from time import sleep
-from typing import List, Union, Callable, Dict
+from typing import List, Union, Callable, Dict, Self
 
 from fastapi import FastAPI, Depends, Request, Response, HTTPException
 from fastapi import BackgroundTasks
 from fastapi.responses import HTMLResponse
 from fastapi.exceptions import RequestValidationError
 from fastapi.routing import APIRoute
-from pydantic import BaseModel, StrictStr, validator
+from pydantic import BaseModel, StrictStr, validator, model_validator
 from starlette.middleware.cors import CORSMiddleware
 from starlette.datastructures import FormData
 from starlette.formparsers import FormParser, MultiPartParser
@@ -177,16 +178,35 @@ class ConfigFileModel(ApiModel):
             }
         }
 
+
+class ImageOp(str, Enum):
+    add = "add"
+    delete = "delete"
+    show = "show"
+    set_default = "set_default"
+
+
 class ImageModel(ApiModel):
-    op: StrictStr
+    op: ImageOp
     url: StrictStr = None
     name: StrictStr = None
 
+    @model_validator(mode='after')
+    def check_data(self) -> Self:
+        if self.op == 'add':
+            if not self.url:
+                raise ValueError("Missing required field \"url\"")
+        elif self.op in ['delete', 'set_default']:
+            if not self.name:
+                raise ValueError("Missing required field \"name\"")
+
+        return self
+
     class Config:
         schema_extra = {
             "example": {
                 "key": "id_key",
-                "op": "add | delete",
+                "op": "add | delete | show | set_default",
                 "url": "imagelocation",
                 "name": "imagename",
             }
@@ -668,19 +688,13 @@ def image_op(data: ImageModel):
 
     try:
         if op == 'add':
-            if data.url:
-                url = data.url
-            else:
-                return error(400, "Missing required field \"url\"")
-            res = session.install_image(url)
+            res = session.install_image(data.url)
         elif op == 'delete':
-            if data.name:
-                name = data.name
-            else:
-                return error(400, "Missing required field \"name\"")
-            res = session.remove_image(name)
-        else:
-            return error(400, f"'{op}' is not a valid operation")
+            res = session.remove_image(data.name)
+        elif op == 'show':
+            res = session.show(["system", "image"])
+        elif op == 'set_default':
+            res = session.set_default_image(data.name)
     except ConfigSessionError as e:
         return error(400, str(e))
     except Exception as e:
-- 
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