From 53f3c25ba326a50d4f9906793e8d289884f95b85 Mon Sep 17 00:00:00 2001
From: dobli <dobler.alex@gmail.com>
Date: Mon, 11 Mar 2019 19:01:06 +0100
Subject: [PATCH] prepared device unlink menu
---
building_manager.py | 42 +++++++++++++++++++++++++++++++++++++++++-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/building_manager.py b/building_manager.py
index 2a445d7..9ecf430 100755
--- a/building_manager.py
+++ b/building_manager.py
@@ -955,6 +955,26 @@ def execute_command_on_machine(command, machine):
run([f'docker-machine ssh {machine} {command}'], shell=True)
# >>>
+# ******************************
+# Systemd functions <<<
+# ******************************
+
+
+def list_enabled_devices():
+ """Presents a list of enabled devices (systemd services)
+ :returns: list of enabled devices
+
+ """
+ list_result = run(['systemctl', 'list-units'],
+ stdout=PIPE, universal_newlines=True)
+ device_list = list_result.stdout.splitlines()
+ # Filter out only swarm-device services
+ device_list = [d.strip() for d in device_list if 'swarm-device' in d]
+ # Extract service name
+ device_list = [d.split()[0] for d in device_list]
+ return device_list
+# >>>
+
# ******************************
# Docker client commands <<<
@@ -1463,6 +1483,7 @@ def device_menu(args):
choices = ['Install device scripts']
if os.path.exists(bin_path):
choices.append('Link device to service')
+ choices.append('Unlink device')
choices.append('Exit')
@@ -1474,6 +1495,8 @@ def device_menu(args):
device_install_menu(base_dir)
elif "Link" in choice:
device_link_menu(base_dir)
+ elif "Unlink" in choice:
+ device_unlink_menu(base_dir)
def device_install_menu(base_dir):
@@ -1508,7 +1531,7 @@ def device_link_menu(base_dir):
choices=USB_DEVICES, style=st).ask()
# Start systemd service that ensures link (escapes of backslash needed)
- link_cmd = f"sudo systemctl status swarm-device@" + \
+ link_cmd = f"sudo systemctl enable --now swarm-device@" + \
f"{device}\\\\\\\\x20openhab.service"
# Needs enable to keep after reboot
@@ -1516,6 +1539,23 @@ def device_link_menu(base_dir):
print(f"Linked device {device} to openHAB service on machine {machine}")
+def device_unlink_menu(base_dir):
+ """Unlink a device from a service
+
+ :base_dir: Base directory of configuration files
+ """
+ machine = docker_client_prompt(" to link device on")
+ device = qust.select("What device should be unlinked?",
+ choices=USB_DEVICES, style=st).ask()
+
+ # Stop systemd service that ensures link (escapes of backslash needed)
+ link_cmd = f"sudo systemctl disable --now swarm-device@" + \
+ f"{device}\\\\\\\\x20openhab.service"
+
+ execute_command_on_machine(link_cmd, machine)
+ print(f"Unlinked device {device} on machine {machine}")
+
+
# *** Menu Helper Functions ***
def generate_cb_choices(list, checked=False):
"""Generates checkbox entries for lists of strings
--
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