test: case: user_scripts: Add test

Verify that:
- Scripts are executed when the service is enabled
- Scripts are not enabled when the service is disabled

test/case/infix_services/user_scripts.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+#
+
+import random
+import string
+
+import infamy
+
+def attach(env):
+    return (env.attach("target", "mgmt"), env.attach("target", "mgmt", "ssh"))
+
+with infamy.Test() as test:
+    with test.step("Initialize"):
+        env = infamy.Env(infamy.std_topology("1x1"))
+        target, tgtssh = attach(env)
+
+        cookie = "".join((random.choices(string.ascii_lowercase, k=16)))
+        script = f"/cfg/user-scripts.d/infamy-user-script-test.sh"
+        output = f"/tmp/{cookie}.cookie"
+
+    with test.step(f"Install {script}"):
+        tgtssh.runsh(f"""
+        set -e
+
+        mkdir -p $(dirname {script})
+        printf '#!/bin/sh\necho -n {cookie} >{output}\n' >{script}
+        chmod +x {script}
+        """)
+
+    with test.step("Enable user scripts and reboot"):
+        target.put_config_dict("infix-services", {
+            "user-scripts": {
+                "enabled": True
+            }
+        })
+        target.copy("running", "startup")
+        target.reboot()
+        infamy.util.wait_boot(target) or test.fail()
+        target, tgtssh = attach(env)
+
+    with test.step(f"Verify that {script} has run"):
+        cat = tgtssh.runsh(f"cat {output}").stdout
+        assert cat == cookie, f"Read back {repr(cat)}, expected {repr(cookie)}"
+
+    with test.step("Disable user scripts and reboot"):
+        target.put_config_dict("infix-services", {
+            "user-scripts": {
+                "enabled": False
+            }
+        })
+        target.copy("running", "startup")
+        target.reboot()
+        infamy.util.wait_boot(target) or test.fail()
+        target, tgtssh = attach(env)
+
+    with test.step(f"Verify that {script} has not run"):
+        exists = tgtssh.run(["test", "-f", f"{output}"]).returncode == 0
+        assert not exists, f"Unexpectedly found {output}"
+
+    with test.step(f"Remove {script}"):
+        tgtssh.runsh(f"rm {script}")
+
+    test.succeed()