fix: use proxy for wget

.github/workflows/test.yaml

@@ -1,9 +1,11 @@
 name: Tests
 
 on:
-  pull_request: { }
+  pull_request: {}
 
 jobs:
   unit-tests:
     uses: canonical/operator-workflows/.github/workflows/test.yaml@main
     secrets: inherit
+    with:
+      self-hosted-runner: false

src/runner.py

@@ -635,5 +635,14 @@ def _wget_install(self, executables: Iterable[WgetExecutable]) -> None:
         for executable in executables:
             executable_path = f"/usr/bin/{executable.cmd}"
             logger.info("Downloading %s via wget to %s...", executable.url, executable_path)
-            self.instance.execute(["/usr/bin/wget", executable.url, "-O", executable_path])
+            wget_cmd = ["/usr/bin/wget", executable.url, "-O", executable_path]
+            if self.config.proxies.get("http", None) or self.config.proxies.get("https", None):
+                wget_cmd += ["-e", "use_proxy=on"]
+            if self.config.proxies.get("http", None):
+                wget_cmd += ["-e", f"http_proxy={self.config.proxies['http']}"]
+            if self.config.proxies.get("https", None):
+                wget_cmd += ["-e", f"https_proxy={self.config.proxies['https']}"]
+            if self.config.proxies.get("no_proxy", None):
+                wget_cmd += ["-e", f"no_proxy={self.config.proxies['no_proxy']}"]
+            self.instance.execute(wget_cmd)
             self.instance.execute(["/usr/bin/chmod", "+x", executable_path])