import pexpect, time

c = pexpect.spawn('ssh -q -o StrictHostKeyChecking=no root@210.16.161.214', encoding='utf-8', timeout=30)
c.expect('password:')
c.sendline('XHR521yhf')
c.expect('[$#]')

c.sendline('ps aux | grep deploy_velobase | grep -v grep || echo SCRIPT_DONE')
c.expect('[$#]')
alive = c.before.strip()
print('=== ALIVE ===')
print(alive[-300:])

if 'SCRIPT_DONE' in alive:
    c.sendline('tail -30 /tmp/deploy_velobase.log 2>/dev/null')
    c.expect('[$#]')
    print('=== LOG ===')
    print(c.before.strip()[-2000:])
else:
    print('Script still running...')

c.sendline('exit')