Mercurial > piecrust2

annotate piecrust/publishing/sftp.py @ 885:13e8b50a2113

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publish: Fix publishers API and add a simple "copy" publisher.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 20 Jun 2017 21:12:35 -0700
parents 3b33d9fb007c
children 5713b6a2850d
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rev   line source
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dd03385adb62 publish: Add SFTP publisher.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
1 import os
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2 import os.path
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3 import urllib.parse
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4 import getpass
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5 import logging
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6 import paramiko
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7 from piecrust.publishing.base import Publisher, PublisherConfigurationError
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8
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9
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10 logger = logging.getLogger(__name__)
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11
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12
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13 class SftpPublisher(Publisher):
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14 PUBLISHER_NAME = 'sftp'
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15 PUBLISHER_SCHEME = 'sftp'
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16
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17 def setupPublishParser(self, parser, app):
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18 parser.add_argument(
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19 '--force',
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20 action='store_true',
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21 help=("Upload the entire bake directory instead of only "
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22 "the files changed by the last bake."))
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23
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24 def parseUrlTarget(self, url):
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25 self.config = {'host': str(url)}
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26
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27 def run(self, ctx):
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28 host = self.config.get('host')
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29 if not host:
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30 raise PublisherConfigurationError(
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31 "Publish target '%s' doesn't specify a 'host'." %
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32 self.target)
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33 remote = urllib.parse.urlparse(host)
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34
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35 hostname = remote.hostname
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36 port = remote.port or 22
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37 path = remote.path
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38 if not hostname:
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39 hostname = path
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40 path = ''
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41
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42 username = self.config.get('username', remote.username)
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43 path = self.config.get('path', path)
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44 pkey_path = self.config.get('key')
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45
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46 password = None
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47 if username and not ctx.preview:
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48 password = getpass.getpass("Password for '%s': " % username)
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49
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50 if ctx.preview:
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51 logger.info("Would connect to %s:%s..." % (hostname, port))
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52 self._previewUpload(ctx, path)
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53 return
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54
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55 logger.debug("Connecting to %s:%s..." % (hostname, port))
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56 lfk = (not username and not pkey_path)
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57 sshc = paramiko.SSHClient()
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58 sshc.load_system_host_keys()
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59 sshc.set_missing_host_key_policy(paramiko.WarningPolicy())
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60 sshc.connect(
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61 hostname, port=port,
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62 username=username, password=password,
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63 key_filename=pkey_path,
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64 look_for_keys=lfk)
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65 try:
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66 logger.info("Connected as %s" %
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67 sshc.get_transport().get_username())
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68 client = sshc.open_sftp()
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69 try:
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70 self._upload(sshc, client, ctx, path)
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71 finally:
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72 client.close()
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73 finally:
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74 sshc.close()
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75
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76 def _previewUpload(self, ctx, dest_dir):
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77 if not ctx.args.force:
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78 logger.info("Would upload new/changed files...")
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79 else:
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80 logger.info("Would upload entire website...")
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81
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82 def _upload(self, session, client, ctx, dest_dir):
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83 if dest_dir:
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84 if dest_dir.startswith('~/'):
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85 _, out_chan, _ = session.exec_command("echo $HOME")
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86 home_dir = out_chan.read().decode('utf8').strip()
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87 dest_dir = home_dir + dest_dir[1:]
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88 logger.debug("CHDIR %s" % dest_dir)
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89 try:
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90 client.chdir(dest_dir)
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91 except IOError:
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92 client.mkdir(dest_dir)
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93 client.chdir(dest_dir)
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94
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95 known_dirs = {}
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96 if ctx.was_baked and not ctx.args.force:
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97 to_upload = list(self.getBakedFiles(ctx))
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98 to_delete = list(self.getDeletedFiles(ctx))
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99 if to_upload or to_delete:
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100 logger.info("Uploading new/changed files...")
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101 for path in self.getBakedFiles(ctx):
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102 rel_path = os.path.relpath(path, ctx.bake_out_dir)
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103 logger.info(rel_path)
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104 if not ctx.preview:
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105 self._putFile(client, path, rel_path, known_dirs)
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106 logger.info("Deleting removed files...")
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107 for path in self.getDeletedFiles(ctx):
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108 rel_path = os.path.relpath(path, ctx.bake_out_dir)
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109 logger.info("%s [DELETE]" % rel_path)
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110 if not ctx.preview:
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111 try:
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112 client.remove(rel_path)
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113 except OSError:
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114 pass
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115 else:
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116 logger.info(
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117 "Nothing to upload or delete on the remote server.")
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118 logger.info(
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119 "If you want to force uploading the entire website, "
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120 "use the `--force` flag.")
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121 else:
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122 logger.info("Uploading entire website...")
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123 for dirpath, dirnames, filenames in os.walk(ctx.bake_out_dir):
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124 for f in filenames:
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125 abs_f = os.path.join(dirpath, f)
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126 rel_f = os.path.relpath(abs_f, ctx.bake_out_dir)
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127 logger.info(rel_f)
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128 if not ctx.preview:
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129 self._putFile(client, abs_f, rel_f, known_dirs)
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130
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131 def _putFile(self, client, local_path, remote_path, known_dirs):
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132 # Split the remote path in bits.
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133 remote_path = os.path.normpath(remote_path)
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134 if os.sep != '/':
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135 remote_path = remote_path.sub(os.sep, '/')
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136
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137 # Make sure each directory in the remote path exists... to prevent
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138 # testing the same directories several times, we keep a cache of
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139 # `known_dirs` which we know exist.
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140 remote_bits = remote_path.split('/')
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141 cur = ''
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142 for b in remote_bits[:-1]:
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143 cur = os.path.join(cur, b)
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144 if cur not in known_dirs:
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145 try:
885
13e8b50a2113 publish: Fix publishers API and add a simple "copy" publisher.
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146 client.stat(cur)
759
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147 except FileNotFoundError:
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148 logger.debug("Creating remote dir: %s" % cur)
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149 client.mkdir(cur)
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150 known_dirs[cur] = True
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151
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152 # Should be all good! Upload the file.
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153 client.put(local_path, remote_path)
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154