root / image_creator / dialog_wizard.py @ fbdf1d8f
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1 | 09ed3d46 | Nikos Skalkotos | #!/usr/bin/env python
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2 | 09ed3d46 | Nikos Skalkotos | |
3 | 09ed3d46 | Nikos Skalkotos | # Copyright 2012 GRNET S.A. All rights reserved.
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4 | 09ed3d46 | Nikos Skalkotos | #
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5 | 09ed3d46 | Nikos Skalkotos | # Redistribution and use in source and binary forms, with or
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6 | 09ed3d46 | Nikos Skalkotos | # without modification, are permitted provided that the following
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7 | 09ed3d46 | Nikos Skalkotos | # conditions are met:
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8 | 09ed3d46 | Nikos Skalkotos | #
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9 | 09ed3d46 | Nikos Skalkotos | # 1. Redistributions of source code must retain the above
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10 | 09ed3d46 | Nikos Skalkotos | # copyright notice, this list of conditions and the following
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11 | 09ed3d46 | Nikos Skalkotos | # disclaimer.
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12 | 09ed3d46 | Nikos Skalkotos | #
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13 | 09ed3d46 | Nikos Skalkotos | # 2. Redistributions in binary form must reproduce the above
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14 | 09ed3d46 | Nikos Skalkotos | # copyright notice, this list of conditions and the following
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15 | 09ed3d46 | Nikos Skalkotos | # disclaimer in the documentation and/or other materials
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16 | 09ed3d46 | Nikos Skalkotos | # provided with the distribution.
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17 | 09ed3d46 | Nikos Skalkotos | #
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18 | 09ed3d46 | Nikos Skalkotos | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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19 | 09ed3d46 | Nikos Skalkotos | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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20 | 09ed3d46 | Nikos Skalkotos | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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21 | 09ed3d46 | Nikos Skalkotos | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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22 | 09ed3d46 | Nikos Skalkotos | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23 | 09ed3d46 | Nikos Skalkotos | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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24 | 09ed3d46 | Nikos Skalkotos | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 | 09ed3d46 | Nikos Skalkotos | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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26 | 09ed3d46 | Nikos Skalkotos | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | 09ed3d46 | Nikos Skalkotos | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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28 | 09ed3d46 | Nikos Skalkotos | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | 09ed3d46 | Nikos Skalkotos | # POSSIBILITY OF SUCH DAMAGE.
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30 | 09ed3d46 | Nikos Skalkotos | #
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31 | 09ed3d46 | Nikos Skalkotos | # The views and conclusions contained in the software and
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32 | 09ed3d46 | Nikos Skalkotos | # documentation are those of the authors and should not be
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33 | 09ed3d46 | Nikos Skalkotos | # interpreted as representing official policies, either expressed
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34 | 09ed3d46 | Nikos Skalkotos | # or implied, of GRNET S.A.
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35 | 09ed3d46 | Nikos Skalkotos | |
36 | 09ed3d46 | Nikos Skalkotos | import dialog |
37 | fbdf1d8f | Nikos Skalkotos | import time |
38 | fbdf1d8f | Nikos Skalkotos | import StringIO |
39 | 09ed3d46 | Nikos Skalkotos | |
40 | fbdf1d8f | Nikos Skalkotos | from image_creator.kamaki_wrapper import Kamaki, ClientError |
41 | fbdf1d8f | Nikos Skalkotos | from image_creator.util import MD5, FatalError |
42 | fbdf1d8f | Nikos Skalkotos | from image_creator.output.cli import OutputWthProgress |
43 | 09ed3d46 | Nikos Skalkotos | |
44 | 3c33e68a | Nikos Skalkotos | PAGE_WIDTH = 70
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45 | 09ed3d46 | Nikos Skalkotos | |
46 | 09ed3d46 | Nikos Skalkotos | |
47 | 3c33e68a | Nikos Skalkotos | class Wizard: |
48 | 3c33e68a | Nikos Skalkotos | def __init__(self, session): |
49 | 3c33e68a | Nikos Skalkotos | self.session = session
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50 | 3c33e68a | Nikos Skalkotos | self.pages = []
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51 | 3c33e68a | Nikos Skalkotos | self.session['wizard'] = {} |
52 | 3c33e68a | Nikos Skalkotos | |
53 | 3c33e68a | Nikos Skalkotos | def add_page(self, page): |
54 | 3c33e68a | Nikos Skalkotos | self.pages.append(page)
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55 | 09ed3d46 | Nikos Skalkotos | |
56 | 09ed3d46 | Nikos Skalkotos | def run(self): |
57 | 3c33e68a | Nikos Skalkotos | idx = 0
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58 | 3c33e68a | Nikos Skalkotos | while True: |
59 | 3c33e68a | Nikos Skalkotos | idx += self.pages[idx].run(self.session, idx, len(self.pages)) |
60 | 09ed3d46 | Nikos Skalkotos | |
61 | 3c33e68a | Nikos Skalkotos | if idx >= len(self.pages): |
62 | 3c33e68a | Nikos Skalkotos | break
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63 | 09ed3d46 | Nikos Skalkotos | |
64 | 3c33e68a | Nikos Skalkotos | if idx < 0: |
65 | 3c33e68a | Nikos Skalkotos | return False |
66 | 3c33e68a | Nikos Skalkotos | return True |
67 | 09ed3d46 | Nikos Skalkotos | |
68 | 09ed3d46 | Nikos Skalkotos | |
69 | 3c33e68a | Nikos Skalkotos | class WizardPage: |
70 | 3c33e68a | Nikos Skalkotos | NEXT = 1
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71 | 3c33e68a | Nikos Skalkotos | PREV = -1
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72 | fbdf1d8f | Nikos Skalkotos | EXIT = -255
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73 | fbdf1d8f | Nikos Skalkotos | |
74 | fbdf1d8f | Nikos Skalkotos | def run(self, session, index, total): |
75 | fbdf1d8f | Nikos Skalkotos | raise NotImplementedError |
76 | fbdf1d8f | Nikos Skalkotos | |
77 | fbdf1d8f | Nikos Skalkotos | |
78 | fbdf1d8f | Nikos Skalkotos | class WizardInputPage(WizardPage): |
79 | 09ed3d46 | Nikos Skalkotos | |
80 | 3c33e68a | Nikos Skalkotos | def __init__(self, name, message, **kargs): |
81 | 3c33e68a | Nikos Skalkotos | self.name = name
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82 | 3c33e68a | Nikos Skalkotos | self.message = message
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83 | 3c33e68a | Nikos Skalkotos | self.title = kargs['title'] if 'title' in kargs else '' |
84 | 3c33e68a | Nikos Skalkotos | self.init_value = kargs['init'] if 'init' in kargs else '' |
85 | 3c33e68a | Nikos Skalkotos | self.allow_empty = kargs['empty'] if 'empty' in kargs else False |
86 | 09ed3d46 | Nikos Skalkotos | |
87 | 3c33e68a | Nikos Skalkotos | def run(self, session, index, total): |
88 | 3c33e68a | Nikos Skalkotos | d = session['dialog']
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89 | 3c33e68a | Nikos Skalkotos | w = session['wizard']
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90 | 09ed3d46 | Nikos Skalkotos | |
91 | 3c33e68a | Nikos Skalkotos | init = w[self.name] if self.name in w else self.init_value |
92 | 3c33e68a | Nikos Skalkotos | while True: |
93 | 3c33e68a | Nikos Skalkotos | (code, answer) = d.inputbox(self.message, init=init,
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94 | 3c33e68a | Nikos Skalkotos | width=PAGE_WIDTH, ok_label="Next", cancel="Back", |
95 | 3c33e68a | Nikos Skalkotos | title="(%d/%d) %s" % (index + 1, total, self.title)) |
96 | 09ed3d46 | Nikos Skalkotos | |
97 | 09ed3d46 | Nikos Skalkotos | if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
98 | 09ed3d46 | Nikos Skalkotos | return self.PREV |
99 | 09ed3d46 | Nikos Skalkotos | |
100 | 3c33e68a | Nikos Skalkotos | value = answer.strip() |
101 | 3c33e68a | Nikos Skalkotos | if len(value) == 0 and self.allow_empty is False: |
102 | 3c33e68a | Nikos Skalkotos | d.msgbox("The value cannot be empty!", width=PAGE_WIDTH)
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103 | 3c33e68a | Nikos Skalkotos | continue
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104 | 3c33e68a | Nikos Skalkotos | w[self.name] = value
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105 | 09ed3d46 | Nikos Skalkotos | break
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106 | 09ed3d46 | Nikos Skalkotos | |
107 | 09ed3d46 | Nikos Skalkotos | return self.NEXT |
108 | 09ed3d46 | Nikos Skalkotos | |
109 | 09ed3d46 | Nikos Skalkotos | |
110 | fbdf1d8f | Nikos Skalkotos | class WizardYesNoPage(WizardPage): |
111 | fbdf1d8f | Nikos Skalkotos | |
112 | fbdf1d8f | Nikos Skalkotos | def __init__(self, message, **kargs): |
113 | fbdf1d8f | Nikos Skalkotos | self.message = message
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114 | fbdf1d8f | Nikos Skalkotos | self.title = kargs['title'] if 'title' in kargs else '' |
115 | fbdf1d8f | Nikos Skalkotos | |
116 | fbdf1d8f | Nikos Skalkotos | def run(self, session, index, total): |
117 | fbdf1d8f | Nikos Skalkotos | d = session['dialog']
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118 | fbdf1d8f | Nikos Skalkotos | |
119 | fbdf1d8f | Nikos Skalkotos | while True: |
120 | fbdf1d8f | Nikos Skalkotos | ret = d.yesno(self.message, width=PAGE_WIDTH, ok_label="Yes", |
121 | fbdf1d8f | Nikos Skalkotos | cancel="Back", extra_button=1, extra_label="Quit", |
122 | fbdf1d8f | Nikos Skalkotos | title="(%d/%d) %s" % (index + 1, total, self.title)) |
123 | fbdf1d8f | Nikos Skalkotos | |
124 | fbdf1d8f | Nikos Skalkotos | if ret == d.DIALOG_CANCEL:
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125 | fbdf1d8f | Nikos Skalkotos | return self.PREV |
126 | fbdf1d8f | Nikos Skalkotos | elif ret == d.DIALOG_EXTRA:
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127 | fbdf1d8f | Nikos Skalkotos | return self.EXIT |
128 | fbdf1d8f | Nikos Skalkotos | elif ret == d.DIALOG_OK:
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129 | fbdf1d8f | Nikos Skalkotos | return self.NEXT |
130 | fbdf1d8f | Nikos Skalkotos | |
131 | fbdf1d8f | Nikos Skalkotos | |
132 | 09ed3d46 | Nikos Skalkotos | def wizard(session): |
133 | 09ed3d46 | Nikos Skalkotos | |
134 | fbdf1d8f | Nikos Skalkotos | name = WizardInputPage("ImageName", "Please provide a name for the image:", |
135 | 3c33e68a | Nikos Skalkotos | title="Image Name", init=session['device'].distro) |
136 | fbdf1d8f | Nikos Skalkotos | descr = WizardInputPage("ImageDescription",
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137 | 3c33e68a | Nikos Skalkotos | "Please provide a description for the image:",
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138 | 3c33e68a | Nikos Skalkotos | title="Image Description", empty=True, |
139 | 3c33e68a | Nikos Skalkotos | init=session['metadata']['DESCRIPTION'] if 'DESCRIPTION' in |
140 | 3c33e68a | Nikos Skalkotos | session['metadata'] else '') |
141 | fbdf1d8f | Nikos Skalkotos | account = WizardInputPage("account",
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142 | 3c33e68a | Nikos Skalkotos | "Please provide your ~okeanos account e-mail:",
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143 | 3c33e68a | Nikos Skalkotos | title="~okeanos account information", init=Kamaki.get_account())
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144 | fbdf1d8f | Nikos Skalkotos | token = WizardInputPage("token",
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145 | 3c33e68a | Nikos Skalkotos | "Please provide your ~okeanos account token:",
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146 | 3c33e68a | Nikos Skalkotos | title="~okeanos account token", init=Kamaki.get_token())
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147 | 3c33e68a | Nikos Skalkotos | |
148 | fbdf1d8f | Nikos Skalkotos | msg = "Do you wish to continue with the image extraction process?"
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149 | fbdf1d8f | Nikos Skalkotos | proceed = WizardYesNoPage(msg, title="Confirmation")
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150 | fbdf1d8f | Nikos Skalkotos | |
151 | 3c33e68a | Nikos Skalkotos | w = Wizard(session) |
152 | fbdf1d8f | Nikos Skalkotos | |
153 | 3c33e68a | Nikos Skalkotos | w.add_page(name) |
154 | 3c33e68a | Nikos Skalkotos | w.add_page(descr) |
155 | 3c33e68a | Nikos Skalkotos | w.add_page(account) |
156 | 3c33e68a | Nikos Skalkotos | w.add_page(token) |
157 | fbdf1d8f | Nikos Skalkotos | w.add_page(proceed) |
158 | fbdf1d8f | Nikos Skalkotos | |
159 | fbdf1d8f | Nikos Skalkotos | if w.run():
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160 | fbdf1d8f | Nikos Skalkotos | extract_image(session) |
161 | fbdf1d8f | Nikos Skalkotos | else:
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162 | fbdf1d8f | Nikos Skalkotos | return False |
163 | fbdf1d8f | Nikos Skalkotos | |
164 | fbdf1d8f | Nikos Skalkotos | return True |
165 | fbdf1d8f | Nikos Skalkotos | |
166 | fbdf1d8f | Nikos Skalkotos | |
167 | fbdf1d8f | Nikos Skalkotos | def extract_image(session): |
168 | fbdf1d8f | Nikos Skalkotos | disk = session['disk']
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169 | fbdf1d8f | Nikos Skalkotos | device = session['device']
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170 | fbdf1d8f | Nikos Skalkotos | snapshot = session['snapshot']
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171 | fbdf1d8f | Nikos Skalkotos | image_os = session['image_os']
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172 | fbdf1d8f | Nikos Skalkotos | wizard = session['wizard']
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173 | fbdf1d8f | Nikos Skalkotos | |
174 | fbdf1d8f | Nikos Skalkotos | out = OutputWthProgress(True)
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175 | fbdf1d8f | Nikos Skalkotos | #Initialize the output
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176 | fbdf1d8f | Nikos Skalkotos | disk.out = out |
177 | fbdf1d8f | Nikos Skalkotos | device.out = out |
178 | fbdf1d8f | Nikos Skalkotos | image_os.out = out |
179 | fbdf1d8f | Nikos Skalkotos | |
180 | fbdf1d8f | Nikos Skalkotos | out.output() |
181 | fbdf1d8f | Nikos Skalkotos | |
182 | fbdf1d8f | Nikos Skalkotos | #Sysprep
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183 | fbdf1d8f | Nikos Skalkotos | device.mount(False)
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184 | fbdf1d8f | Nikos Skalkotos | image_os.do_sysprep() |
185 | fbdf1d8f | Nikos Skalkotos | metadata = image_os.meta |
186 | fbdf1d8f | Nikos Skalkotos | device.umount() |
187 | fbdf1d8f | Nikos Skalkotos | |
188 | fbdf1d8f | Nikos Skalkotos | #Shrink
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189 | fbdf1d8f | Nikos Skalkotos | size = device.shrink() |
190 | fbdf1d8f | Nikos Skalkotos | |
191 | fbdf1d8f | Nikos Skalkotos | #MD5
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192 | fbdf1d8f | Nikos Skalkotos | md5 = MD5(out) |
193 | fbdf1d8f | Nikos Skalkotos | checksum = md5.compute(snapshot, size) |
194 | fbdf1d8f | Nikos Skalkotos | |
195 | fbdf1d8f | Nikos Skalkotos | #Metadata
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196 | fbdf1d8f | Nikos Skalkotos | metastring = '\n'.join(
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197 | fbdf1d8f | Nikos Skalkotos | ['%s=%s' % (key, value) for (key, value) in metadata.items()]) |
198 | fbdf1d8f | Nikos Skalkotos | metastring += '\n'
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199 | fbdf1d8f | Nikos Skalkotos | |
200 | fbdf1d8f | Nikos Skalkotos | out.output() |
201 | fbdf1d8f | Nikos Skalkotos | try:
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202 | fbdf1d8f | Nikos Skalkotos | out.output("Uploading image to pithos:")
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203 | fbdf1d8f | Nikos Skalkotos | kamaki = Kamaki(wizard['account'], wizard['token'], out) |
204 | fbdf1d8f | Nikos Skalkotos | |
205 | fbdf1d8f | Nikos Skalkotos | name = "%s-%s.diskdump" % (wizard['ImageName'], |
206 | fbdf1d8f | Nikos Skalkotos | time.strftime("%Y%m%d%H%M"))
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207 | fbdf1d8f | Nikos Skalkotos | pithos_file = ""
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208 | fbdf1d8f | Nikos Skalkotos | with open(snapshot, 'rb') as f: |
209 | fbdf1d8f | Nikos Skalkotos | pithos_file = kamaki.upload(f, size, name, |
210 | fbdf1d8f | Nikos Skalkotos | "(1/4) Calculating block hashes",
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211 | fbdf1d8f | Nikos Skalkotos | "(2/4) Uploading missing blocks")
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212 | fbdf1d8f | Nikos Skalkotos | |
213 | fbdf1d8f | Nikos Skalkotos | out.output("(3/4) Uploading metadata file...", False) |
214 | fbdf1d8f | Nikos Skalkotos | kamaki.upload(StringIO.StringIO(metastring), size=len(metastring),
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215 | fbdf1d8f | Nikos Skalkotos | remote_path="%s.%s" % (name, 'meta')) |
216 | fbdf1d8f | Nikos Skalkotos | out.success('done')
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217 | fbdf1d8f | Nikos Skalkotos | out.output("(4/4) Uploading md5sum file...", False) |
218 | fbdf1d8f | Nikos Skalkotos | md5sumstr = '%s %s\n' % (checksum, name)
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219 | fbdf1d8f | Nikos Skalkotos | kamaki.upload(StringIO.StringIO(md5sumstr), size=len(md5sumstr),
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220 | fbdf1d8f | Nikos Skalkotos | remote_path="%s.%s" % (name, 'md5sum')) |
221 | fbdf1d8f | Nikos Skalkotos | out.success('done')
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222 | fbdf1d8f | Nikos Skalkotos | out.output() |
223 | fbdf1d8f | Nikos Skalkotos | |
224 | fbdf1d8f | Nikos Skalkotos | out.output('Registring image to ~okeanos...', False) |
225 | fbdf1d8f | Nikos Skalkotos | kamaki.register(wizard['ImageName'], pithos_file, metadata)
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226 | fbdf1d8f | Nikos Skalkotos | out.success('done')
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227 | fbdf1d8f | Nikos Skalkotos | out.output() |
228 | fbdf1d8f | Nikos Skalkotos | except ClientError as e: |
229 | fbdf1d8f | Nikos Skalkotos | raise FatalError("Pithos client: %d %s" % (e.status, e.message)) |
230 | 09ed3d46 | Nikos Skalkotos | |
231 | 09ed3d46 | Nikos Skalkotos | # vim: set sta sts=4 shiftwidth=4 sw=4 et ai : |