| Adam Israel | 3377928 | 2016-10-05 09:08:16 -0700 | [diff] [blame^] | 1 | from charmhelpers.core.hookenv import ( |
| 2 | config, |
| 3 | status_set, |
| 4 | action_get, |
| 5 | action_set, |
| 6 | action_fail, |
| 7 | log, |
| 8 | ) |
| 9 | |
| 10 | from charms.reactive import ( |
| 11 | when, |
| 12 | when_not, |
| 13 | set_state as set_flag, |
| 14 | remove_state as remove_flag, |
| 15 | ) |
| 16 | |
| 17 | import subprocess |
| 18 | |
| 19 | |
| 20 | @when_not('netutils.ready') |
| 21 | def ready(): |
| 22 | status_set('active', 'Ready!') |
| 23 | set_flag('netutils.ready') |
| 24 | |
| 25 | |
| 26 | @when('actions.nmap') |
| 27 | def nmap(): |
| 28 | err = '' |
| 29 | try: |
| 30 | result, err = _run('nmap {}'.format(action_get('destination'))) |
| 31 | except: |
| 32 | action_fail('nmap command failed:' + err) |
| 33 | else: |
| 34 | action_set({'outout': result}) |
| 35 | finally: |
| 36 | remove_flag('actions.nmap') |
| 37 | |
| 38 | |
| 39 | @when('actions.ping') |
| 40 | def ping(): |
| 41 | err = '' |
| 42 | try: |
| 43 | result, err = _run('ping -qc {} {}'.format( |
| 44 | action_get('count'), action_get('destination')) |
| 45 | ) |
| 46 | |
| 47 | except: |
| 48 | action_fail('ping command failed:' + err) |
| 49 | else: |
| 50 | # Here you can send results back from ping, if you had time to parse it |
| 51 | action_set({'output': result}) |
| 52 | finally: |
| 53 | remove_flag('actions.ping') |
| 54 | |
| 55 | |
| 56 | |
| 57 | @when('actions.traceroute') |
| 58 | def traceroute(): |
| 59 | try: |
| 60 | result, err = _run('traceroute -m {} {}'.format(action_get('hops'), action_get('destination'))) |
| 61 | except: |
| 62 | action_fail('traceroute command failed') |
| 63 | else: |
| 64 | # Here you can send results back from ping, if you had time to parse it |
| 65 | action_set({'output': result}) |
| 66 | finally: |
| 67 | remove_flag('actions.traceroute') |
| 68 | |
| 69 | |
| 70 | |
| 71 | def _run(cmd, env=None): |
| 72 | if isinstance(cmd, str): |
| 73 | cmd = cmd.split() if ' ' in cmd else [cmd] |
| 74 | |
| 75 | log(cmd) |
| 76 | p = subprocess.Popen(cmd, |
| 77 | env=env, |
| 78 | stdout=subprocess.PIPE, |
| 79 | stderr=subprocess.PIPE) |
| 80 | stdout, stderr = p.communicate() |
| 81 | retcode = p.poll() |
| 82 | if retcode > 0: |
| 83 | raise subprocess.CalledProcessError(returncode=retcode, |
| 84 | cmd=cmd, |
| 85 | output=stderr.decode("utf-8").strip()) |
| 86 | return (stdout.decode('utf-8'), stderr.decode('utf-8')) |