| commit | author | age | ||
| 8ab985 | 1 | import argparse |
| SP | 2 | import paramiko |
| 3 | from . import Remote | |
| 4 | from . import trisurf | |
| 5 | import socket | |
| 6 | import os,sys | |
| 7 | import tabulate | |
| 8 | import subprocess,re | |
| 9 | import psutil | |
| 10 | #import http.server | |
| 11 | #import socketserver | |
| 12 | if sys.version_info>=(3,0): | |
| 13 | from urllib.parse import urlparse | |
| 14 | from . import WebTrisurf | |
| 15 | else: | |
| 16 | from urlparse import urlparse | |
| 17 | from vtk import * | |
| 18 | from . import VTKRendering | |
| 19 | #import io | |
| 20 | ||
| 21 | from IPython import embed | |
| 22 | ||
| 23 | #Color definitions for terminal | |
| 24 | class bcolors: | |
| 25 | HEADER = '\033[95m' | |
| 26 | OKBLUE = '\033[94m' | |
| 27 | OKGREEN = '\033[92m' | |
| 28 | WARNING = '\033[93m' | |
| 29 | FAIL = '\033[91m' | |
| 30 | ENDC = '\033[0m' | |
| 31 | BOLD = '\033[1m' | |
| 32 | UNDERLINE = '\033[4m' | |
| 33 | ||
| 34 | #parses Command Line Arguments and returns the list of parsed values | |
| 35 | def ParseCLIArguments(arguments): | |
| 36 | parser = argparse.ArgumentParser(description='Manages (start, stop, status) multiple simulation processes of trisurf according to the configuration file.') | |
| 37 | parser.add_argument('proc_no', metavar='PROC_NO', nargs='*', | |
| 38 | help='process number at host. If hostname is not specified, localhost is assumed. If no processes are specified all processes on all hosts are assumed.') | |
| 39 | action_group=parser.add_mutually_exclusive_group(required=True) | |
| 40 | action_group.add_argument('-c','--comment',nargs=1, help='append comment to current comment') | |
| 41 | action_group.add_argument('--delete-comment', help='delete comment',action='store_true') | |
| 42 | action_group.add_argument('-k','--kill','--stop','--suspend', help='stop/kill the process', action='store_true') | |
| 43 | action_group.add_argument('-r','--run','--start','--continue', help='start/continue process', action='store_true') | |
| 44 | action_group.add_argument('-s','--status',help='print status of the processes',action='store_true') | |
| 45 | action_group.add_argument('-v','--version', help='print version information and exit', action='store_true') | |
| 46 | action_group.add_argument('--web-server', type=int,metavar="PORT", nargs=1, help='EXPERIMENTAL: starts web server and never exist.') | |
| 47 | action_group.add_argument('--jump-to-ipython', help='loads the variables and jumps to IPython shell', action="store_true") | |
| 48 | action_group.add_argument('-p','--preview',help='preview last VTU shape',action='store_true') | |
| 49 | parser.add_argument('--force', help='if dangerous operation (killing all the processes) is requested, this flag is required to execute the operation. Otherwise, the request will be ignored.', action="store_true") | |
| 50 | parser.add_argument('-H', '--host', nargs=1, help='specifies which host is itended for the operation. Defauts to localhost for all operations except --status and --version, where all configured hosts are assumed.') | |
| 51 | parser.add_argument('--html', help='Generate HTML output', action="store_true") | |
| 52 | parser.add_argument('-n', nargs='+', metavar='PROC_NO', type=int, help='OBSOLETE. Specifies process numbers.') | |
| 53 | parser.add_argument('-R','--raw',help='print status and the rest of the information in raw format', action="store_true") | |
| 54 | parser.add_argument('-x','--local-only',help='do not attempt to contact remote hosts. Run all operations only on local machine',action='store_true') | |
| 55 | args = parser.parse_args(arguments) | |
| 56 | return args | |
| 57 | ||
| 58 | ||
| 59 | #gets version of trisurf currently running | |
| 60 | def getTrisurfVersion(): | |
| 61 | p = subprocess.Popen('trisurf --version', shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) | |
| 62 | lines=p.stdout.readlines() | |
| 63 | version=re.findall(r'[0-9a-f]{7}(?:-dirty)?', lines[0].decode('ascii')) | |
| 64 | p.wait() | |
| 65 | if(len(version)): | |
| 66 | return version[0] | |
| 67 | else: | |
| 68 | return "unknown version" | |
| 69 | ||
| 70 | ||
| 71 | ||
| 72 | def copyConfigAndConnect(hosts): | |
| 73 | print("Connecting to remote hosts and copying config files, tapes and snapshots") | |
| 74 | for host in hosts: | |
| 75 | if(host['name'] !=socket.gethostname()): #if I am not the computer named in host name | |
| 76 | try: | |
| 77 | username=host['username'] | |
| 78 | except: | |
| 79 | username=os.getusername() #default username is current user user's name | |
| 80 | try: | |
| 81 | port=host['port'] | |
| 82 | except: | |
| 83 | port=22 #default ssh port | |
| 84 | rm=Remote.Connection(hostname=host['address'],username=username, port=port) | |
| 85 | rm.connect() | |
| 86 | rm.send_file(__file__,'remote_control.py') | |
| 87 | for run in host['runs']: | |
| 88 | try: | |
| 89 | rm.send_file(run.tapeFile,run.tapeFile) | |
| 90 | except: | |
| 91 | pass | |
| 92 | try: | |
| 93 | rm.send_file(run.snapshotFile,run.snapshotFile) | |
| 94 | except: | |
| 95 | pass | |
| 96 | host['_conn']= rm | |
| 97 | # we are connected to all hosts... | |
| 98 | return hosts | |
| 99 | ||
| 100 | ||
| 101 | ||
| 102 | def getTargetRunIdxList(args): | |
| 103 | target_runs=list(map(int,args['proc_no'])) | |
| 104 | if len(target_runs)==0: | |
| 105 | #check if obsolete -n flags have numbers | |
| 106 | target_runs=args['n'] | |
| 107 | if target_runs==None: | |
| 108 | return None | |
| 109 | target_runs=list(set(target_runs)) | |
| 110 | return target_runs | |
| 111 | ||
| 112 | ||
| 113 | ||
| 114 | def status_processes(args,host): | |
| 115 | target_runs=getTargetRunIdxList(args) | |
| 116 | if target_runs==None: | |
| 117 | target_runs=list(range(1,len(host['runs'])+1)) | |
| 118 | report=[] | |
| 119 | print("was here") | |
| 120 | for i in target_runs: | |
| 121 | line=host['runs'][i-1].getStatistics() | |
| 122 | line.insert(0,i) | |
| 123 | report.append(line) | |
| 124 | if(args['raw']): | |
| 125 | print(report) | |
| 126 | else: | |
| 127 | if(args['html']): | |
| 128 | tablefmt='html' | |
| 129 | else: | |
| 130 | tablefmt='fancy_grid' | |
| 131 | print(tabulate.tabulate(report,headers=["Run no.", "Run start time", "ETA", "Status", "PID", "Path", "Comment"], tablefmt=tablefmt)) | |
| 132 | return | |
| 133 | ||
| 134 | def run_processes(args,host): | |
| 135 | target_runs=getTargetRunIdxList(args) | |
| 136 | if target_runs==None: | |
| 137 | target_runs=list(range(1,len(host['runs'])+1)) | |
| 138 | for i in target_runs: | |
| 139 | host['runs'][i-1].start() | |
| 140 | return | |
| 141 | ||
| 142 | def kill_processes(args,host): | |
| 143 | target_runs=getTargetRunIdxList(args) | |
| 144 | if target_runs==None: | |
| 145 | if args['force']==True: | |
| 146 | target_runs=list(range(1,len(host['runs'])+1)) | |
| 147 | else: | |
| 148 | print("Not stopping all processes on the host. Run with --force flag if you are really sure to stop all simulations") | |
| 149 | return | |
| 150 | for i in target_runs: | |
| 151 | host['runs'][i-1].stop() | |
| 152 | return | |
| 153 | ||
| 154 | def comment_processes(args,host): | |
| 155 | target_runs=getTargetRunIdxList(args) | |
| 156 | if target_runs==None: | |
| 157 | target_runs=list(range(1,len(host['runs'])+1)) | |
| 158 | for i in target_runs: | |
| 159 | host['runs'][i-1].writeComment(args['comment'][0],'a') | |
| 160 | print("Comment added") | |
| 161 | return | |
| 162 | ||
| 163 | def delete_comments(args,host): | |
| 164 | target_runs=getTargetRunIdxList(args) | |
| 165 | if target_runs==None: | |
| 166 | if args['force']==True: | |
| 167 | target_runs=list(range(1,len(host['runs'])+1)) | |
| 168 | else: | |
| 169 | print("Not deleting comments on all posts on the host. Run with --force flag if you are really sure to delete all comments") | |
| 170 | return | |
| 171 | for i in target_runs: | |
| 172 | host['runs'][i-1].writeComment("") | |
| 173 | print("Comment deleted") | |
| 174 | return | |
| 175 | ||
| 176 | ||
| 177 | def start_web_server(args,host): | |
| 178 | print('Server listening on port {}'.format(args['web_server'][0])) | |
| 179 | if sys.version_info>=(3,0): | |
| 180 | WebTrisurf.WebServer(port=args['web_server'][0]) | |
| 181 | else: | |
| 182 | print("Cannot start WebServer in python 2.7") | |
| 183 | exit(0) | |
| 184 | ||
| 185 | def perform_action(args,host): | |
| 186 | #find which flags have been used and act upon them. -r -s -k -v -c --delete-comment are mutually exclusive, so only one of them is active | |
| 187 | if args['run']: | |
| 188 | run_processes(args,host) | |
| 189 | elif args['kill']: | |
| 190 | kill_processes(args,host) | |
| 191 | elif args['status']: | |
| 192 | status_processes(args,host) | |
| 193 | elif args['comment']!= None: | |
| 194 | comment_processes(args,host) | |
| 195 | elif args['delete_comment']: | |
| 196 | delete_comments(args,host) | |
| 197 | elif args['web_server']!=None: | |
| 198 | start_web_server(args,host) | |
| 199 | elif args['preview']: | |
| 200 | preview_vtu(args,host) | |
| 201 | elif args['jump_to_ipython']: | |
| 202 | print('Jumping to shell...') | |
| 203 | embed() | |
| 204 | exit(0) | |
| 205 | else: #version requested | |
| 206 | print(getTrisurfVersion()) | |
| 207 | return | |
| 208 | ||
| 209 | ||
| 210 | ||
| 211 | def preview_vtu(args,host): | |
| 212 | #only for localhost at the moment | |
| 213 | if sys.version_info>=(3,0): | |
| 214 | print("Preview works only with python 2.7") | |
| 215 | exit(1) | |
| 216 | if host['name'] == socket.gethostname(): | |
| 217 | VTKRendering.Renderer(args,host) | |
| 218 | ||
| 219 | def getListOfHostConfigurationByHostname(hosts,host): | |
| 220 | rhost=[] | |
| 221 | for chost in hosts: | |
| 222 | if chost['name'] in host: | |
| 223 | rhost.append(chost) | |
| 224 | return rhost | |
| 225 | ||
| 226 | ||
| 227 | ||
| 228 | def start(hosts,argv=sys.argv[1:]): | |
| 229 | args=vars(ParseCLIArguments(argv)) | |
| 230 | #print(vars(args)) | |
| 231 | ||
| 232 | #Backward compatibility... If running just on localmode, the host specification is unnecessary. Check if only Runs are specified | |
| 233 | try: | |
| 234 | test_host=hosts[0]['name'] | |
| 235 | except: | |
| 236 | print("Network mode disabled. Old syntax detected.") | |
| 237 | host={'name':socket.gethostname(),'address':'127.0.0.1', 'runs':hosts} | |
| 238 | perform_action(args,host) | |
| 239 | exit(0) | |
| 240 | ||
| 241 | ||
| 242 | #find the host at which the action is attended | |
| 243 | if args['host']==None: | |
| 244 | if(args['status']==False and args['version']==False): | |
| 245 | hosts=getListOfHostConfigurationByHostname(hosts,socket.gethostname()) | |
| 246 | else: | |
| 247 | hosts=getListOfHostConfigurationByHostname(hosts,args['host']) | |
| 248 | if len(hosts)==0: | |
| 249 | print ('Hostname "{}" does not exist in configuration file. Please check the spelling'.format(args['host'][0])) | |
| 250 | exit(1) | |
| 251 | ||
| 252 | if not args['local_only']: | |
| 253 | hosts=copyConfigAndConnect(hosts) | |
| 254 | ||
| 255 | #do local stuff: | |
| 256 | for host in hosts: | |
| 257 | if host['name'] == socket.gethostname(): | |
| 258 | if(args['html']): | |
| 259 | print("Host <font color='orange'>"+host['name']+"</font> reports the following:") | |
| 260 | else: | |
| 261 | print("Host "+bcolors.WARNING+host['name']+bcolors.ENDC+" reports the following:") | |
| 262 | perform_action(args,host) | |
| 263 | elif not args['local_only']: | |
| 264 | output=host['_conn'].execute('python3 ./remote_control.py -x '+" ".join(argv)) | |
| 265 | for line in output: | |
| 266 | print(line.replace('\n','')) | |
| 267 | ||
| 268 | ||
| 269 | if not args['local_only']: | |
| 270 | print("Closing connections to remote hosts") | |
| 271 | for host in hosts: | |
| 272 | if(host['name'] !=socket.gethostname()): | |
| 273 | host['_conn'].disconnect() | |
| 274 | ||
| 275 | ||
| 276 | ||
