summaryrefslogtreecommitdiff
path: root/kpov_judge/test_prepare_disks.py
blob: 33f2479bcab1157aed9e2de2649e9b4388c4659a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
#!/usr/bin/env python3

import sys
import inspect
import kpov_util
import guestfs
import os
import glob
import subprocess
import fcntl
import paramiko
import urllib.request, urllib.error, urllib.parse
import yaml
from test_task import http_auth
from util import write_default_config

class SSHGuestFs:
    def __init__(self, hostname, username, password):
        return_results = {}
        client = paramiko.SSHClient()
        client.load_system_host_keys()
        client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
        client.connect(hostname, username=username, password=password)
        self.conn = client
    def __del__(self):
        try:
            self.conn.close()
        except:
            pass
    def chmod(self, mode, path):
        self.conn.exec_command('chmod {} "{}"'.format(oct(mode), path))
    def chown(self, owner, group, path):
        self.conn.exec_command('chown {}.{} "{}"'.format(str(owner), str(group), path))
    def command(self, arguments):
        self.conn.exec_command(arguments)
    def cp(self, src, dest):
        self.conn.exec_command('cp "{}" "{}"'.format(src, dest))
    def cp_a(self, src, dest):
        self.conn.exec_command('cp -a "{}" "{}"'.format(src, dest))
    def cp_r(self, src, dest):
        self.conn.exec_command('cp -r "{}" "{}"'.format(src, dest))
    def dd(self, src, dest):
        self.conn.exec_command('dd if="{}" of="{}"'.format(src, dest))
    def df(self):
        stdin, stdout, stderr = self.conn.exec_command('df')
        return stdin.read()
    def download(self, remotefilename, filename):
        stdin, stdout, stderr = self.conn.exec_command('dd if="{}"'.format(path))
        with open(filename, 'w') as f:
            data = stdin.read(4096)
            while data:
                f.write(data)
                data = stdin.read(4096)
    def download_offset (self, remotefilename, filename, offset, size):
        stdin, stdout, stderr = self.conn.exec_command('dd bs=1 skip={} count={} if="{}"'.format(
            offset, size ,path))
        with open(filename, 'w') as f:
            data = stdin.read(4096)
            while data:
                f.write(data)
                data = stdin.read(4096)
    def du(self, path):
        stdin, stdout, stderr = self.conn.exec_command('du "{}"'.format(path))
        return stdin.read()
    def equal(self, file1, file2):
        pass
    def file(self, path):
        stdin, stdout, stderr = self.conn.exec_command('file "{}"'.format(path))
        return stdin.read()
    def ln(self, target, linkname):
        self.conn.exec_command('ln "{}" "{}"'.format(target, linkname))
    def ln_s(self, target, linkname):
        self.conn.exec_command('ln -s "{}" "{}"'.format(target, linkname))
    def ln_f(self, target, linkname):
        self.conn.exec_command('ln -f "{}" "{}"'.format(target, linkname))
    def ln_sf(self, target, linkname):
        self.conn.exec_command('ln -sf "{}" "{}"'.format(target, linkname))
    def getxattrs(self, path):
        pass
        #path = path)
        #stdin, stdout, stderr = self.conn.exec_command('du "{}"'.format(path))
        #return stdin.read()
    def mv (self, src, dest):
        self.conn.exec_command('mv "{}" "{}"'.format(src, dest))
    def mkdir (self, path):
        self.conn.exec_command('mkdir -p "{}"'.format(path))
    def read_file (self, path):
        sftp_client = self.conn.open_sftp()
        f = sftp_client.file(path, mode='r', bufsize=-1)
        s = f.read()
        f.close()
        return s
    def readdir (self, dir):
        sftp_client = self.conn.open_sftp()
        return sftp_client.listdir(path)
    def readlink (self, path):
        stdin, stdout, stderr = self.conn.exec_command('readlink "{}"'.format(path))
        return stdin.read()
    def rename (self, oldpath, newpath):
        return self.mv(oldpath, newpath)
    def rm (self, path):
        stdin, stdout, stderr = self.conn.exec_command('rm "{}"'.format(path))
    def rm_rf (self, path):
        stdin, stdout, stderr = self.conn.exec_command('rm -rf "{}"'.format(path))
    def rmdir (self, path):
        stdin, stdout, stderr = self.conn.exec_command('rmdir "{}"'.format(path))
    def touch (self, path):
        """Touch acts like the touch(1) command. It can be used to
        update the timestamps on a file, or, if the file does
        not exist, to create a new zero-length file.
        
        This command only works on regular files, and will fail
        on other file types such as directories, symbolic links,
        block special etc.
        """
        self.conn.exec_command('touch "{}"'.format(path))
    def setxattr (self, xattr, val, vallen, path):
        pass
    def write (self, path, content):
        """This call creates a file called "path". The content of
        the file is the string "content" (which can contain any
        8 bit data).
        
        See also "g.write_append".
        """
        sftp_client = self.conn.open_sftp()
        f = sftp_client.file(path, mode='w', bufsize=-1)
        f.write(content)
        f.close()

    def write_append (self, path, content):
        """This call appends "content" to the end of file "path".
        If "path" does not exist, then a new file is created.
        
        See also "g.write".
        """
        sftp_client = self.conn.open_sftp()
        f = sftp_client.file(path, mode='a', bufsize=-1)
        f.write(content)
        f.close()

 
if __name__ == '__main__':
    if len(sys.argv) != 1:
        print("Usage: " + sys.argv[0])
        print("Run prepare_disks on running computers over ssh")
        print("The task name and params are read from ~/.kpov_params.yaml")
    yaml_config_file = os.path.expanduser("~/.kpov_params.yaml")
    with open(yaml_config_file) as f:
        params = yaml.load(f)
    task_name = params['task_name']
    try:
        task_url = params['task_url']
        task_name = params['task_name']
        if task_url.startswith('http'):
            http_auth(task_url, params['username'], params['password'])
        req = urllib.request.Request("{task_url}/{task_name}/task.py".format(**params))
        source = urllib.request.urlopen(req).read()
        d = {}
        exec(compile(source, 'task.py', 'exec'), globals(), d)
        computers, prepare_disks = d['computers'], d['prepare_disks']
    except Exception as e:
        print(e)
        exit(1)  
    templates = dict()
    sshguestfs_params = params.get('sshguestfs_params', dict())
    task_sshguestfs_params = sshguestfs_params.get(task_name, dict())
    for computer_name, computer in computers.items():
        comp_params = task_sshguestfs_params.get(computer_name, dict())
        for k in ['hostname', 'username', 'password']:
            try:
                p = comp_params[k]
            except:
                p = input("{} {}:".format(computer_name, k))
            comp_params[k] = p
        comp_connection = None
        try:
            comp_connection = SSHGuestFs(**comp_params)
            task_sshguestfs_params[computer_name] = comp_params
        except Exception as e:
            print(e)
            task_sshguestfs_params.pop(computer_name, None)
        for disk in computer['disks']:
            disk_name = disk['name']
            templates[disk_name] = comp_connection
    sshguestfs_params[task_name] = task_sshguestfs_params
    params['sshguestfs_params'] = sshguestfs_params
    with open(yaml_config_file, 'w') as f:
        # print "dumping", params
        yaml.dump(params, f)
    prepare_disks(templates, params['task_params'][task_name], params)