root / image_creator / dialog_wizard.py @ 5e18a927
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1 | 121f3bc0 | Nikos Skalkotos | # -*- coding: utf-8 -*-
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2 | 121f3bc0 | Nikos Skalkotos | #
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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 | 121f3bc0 | Nikos Skalkotos | """This module implements the "wizard" mode of the dialog-based version of
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37 | 121f3bc0 | Nikos Skalkotos | snf-image-creator.
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38 | 121f3bc0 | Nikos Skalkotos | """
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39 | 121f3bc0 | Nikos Skalkotos | |
40 | fbdf1d8f | Nikos Skalkotos | import time |
41 | fbdf1d8f | Nikos Skalkotos | import StringIO |
42 | 8e58e699 | Nikos Skalkotos | import json |
43 | 09ed3d46 | Nikos Skalkotos | |
44 | fbdf1d8f | Nikos Skalkotos | from image_creator.kamaki_wrapper import Kamaki, ClientError |
45 | fbdf1d8f | Nikos Skalkotos | from image_creator.util import MD5, FatalError |
46 | fbdf1d8f | Nikos Skalkotos | from image_creator.output.cli import OutputWthProgress |
47 | 49c07ce3 | Nikos Skalkotos | from image_creator.dialog_util import extract_image, update_background_title, \ |
48 | 49c07ce3 | Nikos Skalkotos | add_cloud, edit_cloud |
49 | 09ed3d46 | Nikos Skalkotos | |
50 | 3c33e68a | Nikos Skalkotos | PAGE_WIDTH = 70
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51 | 5a380da9 | Nikos Skalkotos | PAGE_HEIGHT = 10
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52 | 09ed3d46 | Nikos Skalkotos | |
53 | 09ed3d46 | Nikos Skalkotos | |
54 | aeb95900 | Nikos Skalkotos | class WizardExit(Exception): |
55 | 88f83027 | Nikos Skalkotos | """Exception used to exit the wizard"""
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56 | aeb95900 | Nikos Skalkotos | pass
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57 | aeb95900 | Nikos Skalkotos | |
58 | aeb95900 | Nikos Skalkotos | |
59 | 5a380da9 | Nikos Skalkotos | class WizardReloadPage(Exception): |
60 | 5a380da9 | Nikos Skalkotos | """Exception that reloads the last WizardPage"""
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61 | 31160dc8 | Nikos Skalkotos | pass
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62 | 31160dc8 | Nikos Skalkotos | |
63 | 31160dc8 | Nikos Skalkotos | |
64 | 3c33e68a | Nikos Skalkotos | class Wizard: |
65 | 88f83027 | Nikos Skalkotos | """Represents a dialog-based wizard
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66 | 88f83027 | Nikos Skalkotos |
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67 | 88f83027 | Nikos Skalkotos | The wizard is a collection of pages that have a "Next" and a "Back" button
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68 | 88f83027 | Nikos Skalkotos | on them. The pages are used to collect user data.
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69 | 88f83027 | Nikos Skalkotos | """
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70 | 88f83027 | Nikos Skalkotos | |
71 | 3c33e68a | Nikos Skalkotos | def __init__(self, session): |
72 | 3c33e68a | Nikos Skalkotos | self.session = session
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73 | 3c33e68a | Nikos Skalkotos | self.pages = []
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74 | 3c33e68a | Nikos Skalkotos | self.session['wizard'] = {} |
75 | baa62724 | Nikos Skalkotos | self.d = session['dialog'] |
76 | 3c33e68a | Nikos Skalkotos | |
77 | 3c33e68a | Nikos Skalkotos | def add_page(self, page): |
78 | 88f83027 | Nikos Skalkotos | """Add a new page to the wizard"""
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79 | 3c33e68a | Nikos Skalkotos | self.pages.append(page)
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80 | 09ed3d46 | Nikos Skalkotos | |
81 | 09ed3d46 | Nikos Skalkotos | def run(self): |
82 | 88f83027 | Nikos Skalkotos | """Run the wizard"""
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83 | 3c33e68a | Nikos Skalkotos | idx = 0
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84 | 3c33e68a | Nikos Skalkotos | while True: |
85 | aeb95900 | Nikos Skalkotos | try:
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86 | 8d66cd4c | Nikos Skalkotos | total = len(self.pages) |
87 | 8d66cd4c | Nikos Skalkotos | title = "(%d/%d) %s" % (idx + 1, total, self.pages[idx].title) |
88 | 8d66cd4c | Nikos Skalkotos | idx += self.pages[idx].run(self.session, title) |
89 | aeb95900 | Nikos Skalkotos | except WizardExit:
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90 | aeb95900 | Nikos Skalkotos | return False |
91 | 5a380da9 | Nikos Skalkotos | except WizardReloadPage:
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92 | 31160dc8 | Nikos Skalkotos | continue
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93 | 09ed3d46 | Nikos Skalkotos | |
94 | 3c33e68a | Nikos Skalkotos | if idx >= len(self.pages): |
95 | 8d66cd4c | Nikos Skalkotos | text = "All necessary information has been gathered:\n\n"
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96 | baa62724 | Nikos Skalkotos | for page in self.pages: |
97 | 8d66cd4c | Nikos Skalkotos | text += " * %s\n" % page.info
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98 | 8d66cd4c | Nikos Skalkotos | text += "\nContinue with the image creation process?"
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99 | baa62724 | Nikos Skalkotos | |
100 | baa62724 | Nikos Skalkotos | ret = self.d.yesno(
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101 | 8d66cd4c | Nikos Skalkotos | text, width=PAGE_WIDTH, height=8 + len(self.pages), |
102 | 66719e36 | Nikos Skalkotos | ok_label="Yes", cancel="Back", extra_button=1, |
103 | 66719e36 | Nikos Skalkotos | extra_label="Quit", title="Confirmation") |
104 | baa62724 | Nikos Skalkotos | |
105 | baa62724 | Nikos Skalkotos | if ret == self.d.DIALOG_CANCEL: |
106 | baa62724 | Nikos Skalkotos | idx -= 1
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107 | baa62724 | Nikos Skalkotos | elif ret == self.d.DIALOG_EXTRA: |
108 | baa62724 | Nikos Skalkotos | return False |
109 | baa62724 | Nikos Skalkotos | elif ret == self.d.DIALOG_OK: |
110 | baa62724 | Nikos Skalkotos | return True |
111 | 09ed3d46 | Nikos Skalkotos | |
112 | 3c33e68a | Nikos Skalkotos | if idx < 0: |
113 | 3c33e68a | Nikos Skalkotos | return False |
114 | 09ed3d46 | Nikos Skalkotos | |
115 | 09ed3d46 | Nikos Skalkotos | |
116 | baa62724 | Nikos Skalkotos | class WizardPage(object): |
117 | 88f83027 | Nikos Skalkotos | """Represents a page in a wizard"""
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118 | 3c33e68a | Nikos Skalkotos | NEXT = 1
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119 | 3c33e68a | Nikos Skalkotos | PREV = -1
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120 | fbdf1d8f | Nikos Skalkotos | |
121 | 8d66cd4c | Nikos Skalkotos | def __init__(self, name, display_name, text, **kargs): |
122 | 8d66cd4c | Nikos Skalkotos | self.name = name
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123 | 8d66cd4c | Nikos Skalkotos | self.display_name = display_name
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124 | 8d66cd4c | Nikos Skalkotos | self.text = text
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125 | 8d66cd4c | Nikos Skalkotos | |
126 | 8d66cd4c | Nikos Skalkotos | self.title = kargs['title'] if 'title' in kargs else "" |
127 | 8d66cd4c | Nikos Skalkotos | self.default = kargs['default'] if 'default' in kargs else "" |
128 | 8d66cd4c | Nikos Skalkotos | self.extra = kargs['extra'] if 'extra' in kargs else None |
129 | 8d66cd4c | Nikos Skalkotos | self.extra_label = \
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130 | 8d66cd4c | Nikos Skalkotos | kargs['extra_label'] if 'extra_label' in kargs else 'Extra' |
131 | 8d66cd4c | Nikos Skalkotos | |
132 | 8d66cd4c | Nikos Skalkotos | self.info = "%s: <none>" % self.display_name |
133 | 8d66cd4c | Nikos Skalkotos | |
134 | 66719e36 | Nikos Skalkotos | validate = kargs['validate'] if 'validate' in kargs else lambda x: x |
135 | baa62724 | Nikos Skalkotos | setattr(self, "validate", validate) |
136 | baa62724 | Nikos Skalkotos | |
137 | 66719e36 | Nikos Skalkotos | display = kargs['display'] if 'display' in kargs else lambda x: x |
138 | baa62724 | Nikos Skalkotos | setattr(self, "display", display) |
139 | baa62724 | Nikos Skalkotos | |
140 | 8d66cd4c | Nikos Skalkotos | def run(self, session, title): |
141 | 88f83027 | Nikos Skalkotos | """Display this wizard page
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142 | 88f83027 | Nikos Skalkotos |
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143 | 88f83027 | Nikos Skalkotos | This function is used by the wizard program when accessing a page.
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144 | 88f83027 | Nikos Skalkotos | """
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145 | fbdf1d8f | Nikos Skalkotos | raise NotImplementedError |
146 | fbdf1d8f | Nikos Skalkotos | |
147 | fbdf1d8f | Nikos Skalkotos | |
148 | 8d66cd4c | Nikos Skalkotos | class WizardPageWthChoices(WizardPage): |
149 | 8d66cd4c | Nikos Skalkotos | """Represents a Wizard Page that allows the user to select something from
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150 | 8d66cd4c | Nikos Skalkotos | a list of choices.
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151 | 8d66cd4c | Nikos Skalkotos |
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152 | 8d66cd4c | Nikos Skalkotos | The available choices are created by a function passed to the class through
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153 | 8d66cd4c | Nikos Skalkotos | the choices variable. If the choices function returns an empty list, a
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154 | 8d66cd4c | Nikos Skalkotos | fallback funtion is executed if available.
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155 | 8d66cd4c | Nikos Skalkotos | """
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156 | 8d66cd4c | Nikos Skalkotos | def __init__(self, name, display_name, text, choices, **kargs): |
157 | 8d66cd4c | Nikos Skalkotos | super(WizardPageWthChoices, self).__init__(name, display_name, text, |
158 | 8d66cd4c | Nikos Skalkotos | **kargs) |
159 | 37ee0098 | Nikos Skalkotos | self.choices = choices
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160 | 8d66cd4c | Nikos Skalkotos | self.fallback = kargs['fallback'] if 'fallback' in kargs else None |
161 | 8d66cd4c | Nikos Skalkotos | |
162 | 8d66cd4c | Nikos Skalkotos | |
163 | 8d66cd4c | Nikos Skalkotos | class WizardRadioListPage(WizardPageWthChoices): |
164 | 8d66cd4c | Nikos Skalkotos | """Represent a Radio List in a wizard"""
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165 | 37ee0098 | Nikos Skalkotos | |
166 | 8d66cd4c | Nikos Skalkotos | def run(self, session, title): |
167 | 37ee0098 | Nikos Skalkotos | d = session['dialog']
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168 | 37ee0098 | Nikos Skalkotos | w = session['wizard']
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169 | 37ee0098 | Nikos Skalkotos | |
170 | 37ee0098 | Nikos Skalkotos | choices = [] |
171 | 5a380da9 | Nikos Skalkotos | for choice in self.choices(): |
172 | 5a380da9 | Nikos Skalkotos | default = 1 if choice[0] == self.default else 0 |
173 | 5a380da9 | Nikos Skalkotos | choices.append((choice[0], choice[1], default)) |
174 | 37ee0098 | Nikos Skalkotos | |
175 | baa62724 | Nikos Skalkotos | (code, answer) = d.radiolist( |
176 | 8d66cd4c | Nikos Skalkotos | self.text, width=PAGE_WIDTH, ok_label="Next", cancel="Back", |
177 | 8d66cd4c | Nikos Skalkotos | choices=choices, height=PAGE_HEIGHT, title=title) |
178 | 37ee0098 | Nikos Skalkotos | |
179 | baa62724 | Nikos Skalkotos | if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
180 | baa62724 | Nikos Skalkotos | return self.PREV |
181 | 37ee0098 | Nikos Skalkotos | |
182 | baa62724 | Nikos Skalkotos | w[self.name] = self.validate(answer) |
183 | baa62724 | Nikos Skalkotos | self.default = answer
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184 | 8d66cd4c | Nikos Skalkotos | self.info = "%s: %s" % (self.display_name, self.display(w[self.name])) |
185 | 37ee0098 | Nikos Skalkotos | |
186 | baa62724 | Nikos Skalkotos | return self.NEXT |
187 | 37ee0098 | Nikos Skalkotos | |
188 | 37ee0098 | Nikos Skalkotos | |
189 | fbdf1d8f | Nikos Skalkotos | class WizardInputPage(WizardPage): |
190 | 88f83027 | Nikos Skalkotos | """Represents an input field in a wizard"""
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191 | 09ed3d46 | Nikos Skalkotos | |
192 | 8d66cd4c | Nikos Skalkotos | def run(self, session, title): |
193 | 3c33e68a | Nikos Skalkotos | d = session['dialog']
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194 | 3c33e68a | Nikos Skalkotos | w = session['wizard']
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195 | 09ed3d46 | Nikos Skalkotos | |
196 | baa62724 | Nikos Skalkotos | (code, answer) = d.inputbox( |
197 | 8d66cd4c | Nikos Skalkotos | self.text, init=self.default, width=PAGE_WIDTH, ok_label="Next", |
198 | 8d66cd4c | Nikos Skalkotos | cancel="Back", height=PAGE_HEIGHT, title=title)
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199 | 09ed3d46 | Nikos Skalkotos | |
200 | baa62724 | Nikos Skalkotos | if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
201 | baa62724 | Nikos Skalkotos | return self.PREV |
202 | 09ed3d46 | Nikos Skalkotos | |
203 | baa62724 | Nikos Skalkotos | value = answer.strip() |
204 | 8d66cd4c | Nikos Skalkotos | self.default = value
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205 | baa62724 | Nikos Skalkotos | w[self.name] = self.validate(value) |
206 | 8d66cd4c | Nikos Skalkotos | self.info = "%s: %s" % (self.display_name, self.display(w[self.name])) |
207 | 09ed3d46 | Nikos Skalkotos | |
208 | 09ed3d46 | Nikos Skalkotos | return self.NEXT |
209 | 09ed3d46 | Nikos Skalkotos | |
210 | 09ed3d46 | Nikos Skalkotos | |
211 | 8d66cd4c | Nikos Skalkotos | class WizardMenuPage(WizardPageWthChoices): |
212 | 8d66cd4c | Nikos Skalkotos | """Represents a menu dialog with available choices in a wizard"""
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213 | 5a380da9 | Nikos Skalkotos | |
214 | 8d66cd4c | Nikos Skalkotos | def run(self, session, title): |
215 | 5a380da9 | Nikos Skalkotos | d = session['dialog']
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216 | 5a380da9 | Nikos Skalkotos | w = session['wizard']
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217 | 5a380da9 | Nikos Skalkotos | |
218 | 5a380da9 | Nikos Skalkotos | extra_button = 1 if self.extra else 0 |
219 | 5a380da9 | Nikos Skalkotos | |
220 | 5a380da9 | Nikos Skalkotos | choices = self.choices()
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221 | 5a380da9 | Nikos Skalkotos | |
222 | 5a380da9 | Nikos Skalkotos | if len(choices) == 0: |
223 | 5a380da9 | Nikos Skalkotos | assert self.fallback, "Zero choices and no fallback" |
224 | 5a380da9 | Nikos Skalkotos | if self.fallback(): |
225 | 5a380da9 | Nikos Skalkotos | raise WizardReloadPage
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226 | 5a380da9 | Nikos Skalkotos | else:
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227 | 5a380da9 | Nikos Skalkotos | return self.PREV |
228 | 5a380da9 | Nikos Skalkotos | |
229 | 5a380da9 | Nikos Skalkotos | default_item = self.default if self.default else choices[0][0] |
230 | 5a380da9 | Nikos Skalkotos | |
231 | 5a380da9 | Nikos Skalkotos | (code, choice) = d.menu( |
232 | 8d66cd4c | Nikos Skalkotos | self.text, width=PAGE_WIDTH, ok_label="Next", cancel="Back", |
233 | 8d66cd4c | Nikos Skalkotos | title=title, choices=choices, height=PAGE_HEIGHT, |
234 | 8d66cd4c | Nikos Skalkotos | default_item=default_item, extra_label=self.extra_label,
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235 | 8d66cd4c | Nikos Skalkotos | extra_button=extra_button) |
236 | 5a380da9 | Nikos Skalkotos | |
237 | 5a380da9 | Nikos Skalkotos | if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
238 | 5a380da9 | Nikos Skalkotos | return self.PREV |
239 | 5a380da9 | Nikos Skalkotos | elif code == d.DIALOG_EXTRA:
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240 | 5a380da9 | Nikos Skalkotos | self.extra()
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241 | 5a380da9 | Nikos Skalkotos | raise WizardReloadPage
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242 | 5a380da9 | Nikos Skalkotos | |
243 | 5a380da9 | Nikos Skalkotos | self.default = choice
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244 | 5a380da9 | Nikos Skalkotos | w[self.name] = self.validate(choice) |
245 | 8d66cd4c | Nikos Skalkotos | self.info = "%s: %s" % (self.display_name, self.display(w[self.name])) |
246 | 5a380da9 | Nikos Skalkotos | |
247 | 5a380da9 | Nikos Skalkotos | return self.NEXT |
248 | 5a380da9 | Nikos Skalkotos | |
249 | 5a380da9 | Nikos Skalkotos | |
250 | 88f83027 | Nikos Skalkotos | def start_wizard(session): |
251 | 88f83027 | Nikos Skalkotos | """Run the image creation wizard"""
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252 | 49c07ce3 | Nikos Skalkotos | |
253 | 39b0429a | Nikos Skalkotos | distro = session['image'].distro
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254 | 39b0429a | Nikos Skalkotos | ostype = session['image'].ostype
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255 | 5a380da9 | Nikos Skalkotos | |
256 | 5a380da9 | Nikos Skalkotos | def cloud_choices(): |
257 | 5a380da9 | Nikos Skalkotos | choices = [] |
258 | 5a380da9 | Nikos Skalkotos | for (name, cloud) in Kamaki.get_clouds().items(): |
259 | 5a380da9 | Nikos Skalkotos | descr = cloud['description'] if 'description' in cloud else '' |
260 | 5a380da9 | Nikos Skalkotos | choices.append((name, descr)) |
261 | 5a380da9 | Nikos Skalkotos | |
262 | 5a380da9 | Nikos Skalkotos | return choices
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263 | 5a380da9 | Nikos Skalkotos | |
264 | 5a380da9 | Nikos Skalkotos | def cloud_add(): |
265 | 5a380da9 | Nikos Skalkotos | return add_cloud(session)
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266 | 5a380da9 | Nikos Skalkotos | |
267 | 5a380da9 | Nikos Skalkotos | def cloud_none_available(): |
268 | 5a380da9 | Nikos Skalkotos | if not session['dialog'].yesno( |
269 | 5a380da9 | Nikos Skalkotos | "No available clouds found. Would you like to add one now?",
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270 | 5a380da9 | Nikos Skalkotos | width=PAGE_WIDTH, defaultno=0):
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271 | 5a380da9 | Nikos Skalkotos | return add_cloud(session)
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272 | 5a380da9 | Nikos Skalkotos | return False |
273 | 5a380da9 | Nikos Skalkotos | |
274 | 5a380da9 | Nikos Skalkotos | def cloud_validate(cloud): |
275 | 5a380da9 | Nikos Skalkotos | if not Kamaki.get_account(cloud): |
276 | 5a380da9 | Nikos Skalkotos | if not session['dialog'].yesno( |
277 | 5a380da9 | Nikos Skalkotos | "The cloud you have selected is not valid! Would you "
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278 | 5a380da9 | Nikos Skalkotos | "like to edit it now?", width=PAGE_WIDTH, defaultno=0): |
279 | 5a380da9 | Nikos Skalkotos | if edit_cloud(session, cloud):
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280 | 5a380da9 | Nikos Skalkotos | return cloud
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281 | 5a380da9 | Nikos Skalkotos | |
282 | 5a380da9 | Nikos Skalkotos | raise WizardInvalidData
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283 | 5a380da9 | Nikos Skalkotos | |
284 | 5a380da9 | Nikos Skalkotos | return cloud
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285 | 5a380da9 | Nikos Skalkotos | |
286 | 5a380da9 | Nikos Skalkotos | cloud = WizardMenuPage( |
287 | 5a380da9 | Nikos Skalkotos | "Cloud", "Cloud", |
288 | 5a380da9 | Nikos Skalkotos | "Please select a cloud account or press <Add> to add a new one:",
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289 | 5a380da9 | Nikos Skalkotos | choices=cloud_choices, extra_label="Add", extra=cloud_add,
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290 | 5a380da9 | Nikos Skalkotos | title="Clouds", validate=cloud_validate, fallback=cloud_none_available)
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291 | 5a380da9 | Nikos Skalkotos | |
292 | baa62724 | Nikos Skalkotos | name = WizardInputPage( |
293 | baa62724 | Nikos Skalkotos | "ImageName", "Image Name", "Please provide a name for the image:", |
294 | 8d66cd4c | Nikos Skalkotos | title="Image Name", default=ostype if distro == "unknown" else distro) |
295 | baa62724 | Nikos Skalkotos | |
296 | 37d581b8 | Nikos Skalkotos | descr = WizardInputPage( |
297 | baa62724 | Nikos Skalkotos | "ImageDescription", "Image Description", |
298 | baa62724 | Nikos Skalkotos | "Please provide a description for the image:",
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299 | 8d66cd4c | Nikos Skalkotos | title="Image Description", default=session['metadata']['DESCRIPTION'] |
300 | 8d66cd4c | Nikos Skalkotos | if 'DESCRIPTION' in session['metadata'] else '') |
301 | baa62724 | Nikos Skalkotos | |
302 | 5a380da9 | Nikos Skalkotos | def registration_choices(): |
303 | 5a380da9 | Nikos Skalkotos | return [("Private", "Image is accessible only by this user"), |
304 | 5a380da9 | Nikos Skalkotos | ("Public", "Everyone can create VMs from this image")] |
305 | 5a380da9 | Nikos Skalkotos | |
306 | 37d581b8 | Nikos Skalkotos | registration = WizardRadioListPage( |
307 | baa62724 | Nikos Skalkotos | "ImageRegistration", "Registration Type", |
308 | 5a380da9 | Nikos Skalkotos | "Please provide a registration type:", registration_choices,
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309 | 37d581b8 | Nikos Skalkotos | title="Registration Type", default="Private") |
310 | 31160dc8 | Nikos Skalkotos | |
311 | 3c33e68a | Nikos Skalkotos | w = Wizard(session) |
312 | fbdf1d8f | Nikos Skalkotos | |
313 | 5a380da9 | Nikos Skalkotos | w.add_page(cloud) |
314 | 3c33e68a | Nikos Skalkotos | w.add_page(name) |
315 | 3c33e68a | Nikos Skalkotos | w.add_page(descr) |
316 | 37d581b8 | Nikos Skalkotos | w.add_page(registration) |
317 | fbdf1d8f | Nikos Skalkotos | |
318 | fbdf1d8f | Nikos Skalkotos | if w.run():
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319 | 5a380da9 | Nikos Skalkotos | create_image(session) |
320 | fbdf1d8f | Nikos Skalkotos | else:
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321 | fbdf1d8f | Nikos Skalkotos | return False |
322 | fbdf1d8f | Nikos Skalkotos | |
323 | fbdf1d8f | Nikos Skalkotos | return True |
324 | fbdf1d8f | Nikos Skalkotos | |
325 | fbdf1d8f | Nikos Skalkotos | |
326 | 5a380da9 | Nikos Skalkotos | def create_image(session): |
327 | 88f83027 | Nikos Skalkotos | """Create an image using the information collected by the wizard"""
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328 | 37ee0098 | Nikos Skalkotos | d = session['dialog']
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329 | f5174d2c | Nikos Skalkotos | image = session['image']
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330 | fbdf1d8f | Nikos Skalkotos | wizard = session['wizard']
|
331 | fbdf1d8f | Nikos Skalkotos | |
332 | 789a3763 | Nikos Skalkotos | with_progress = OutputWthProgress(True)
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333 | f5174d2c | Nikos Skalkotos | out = image.out |
334 | 789a3763 | Nikos Skalkotos | out.add(with_progress) |
335 | 789a3763 | Nikos Skalkotos | try:
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336 | 789a3763 | Nikos Skalkotos | out.clear() |
337 | fbdf1d8f | Nikos Skalkotos | |
338 | 789a3763 | Nikos Skalkotos | #Sysprep
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339 | f5174d2c | Nikos Skalkotos | image.os.do_sysprep() |
340 | f5174d2c | Nikos Skalkotos | metadata = image.os.meta |
341 | 1d413d1e | Nikos Skalkotos | |
342 | 789a3763 | Nikos Skalkotos | #Shrink
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343 | f5174d2c | Nikos Skalkotos | size = image.shrink() |
344 | 3793498a | Nikos Skalkotos | session['shrinked'] = True |
345 | 023e1217 | Nikos Skalkotos | update_background_title(session) |
346 | fbdf1d8f | Nikos Skalkotos | |
347 | f5174d2c | Nikos Skalkotos | metadata.update(image.meta) |
348 | 789a3763 | Nikos Skalkotos | metadata['DESCRIPTION'] = wizard['ImageDescription'] |
349 | fbdf1d8f | Nikos Skalkotos | |
350 | 789a3763 | Nikos Skalkotos | #MD5
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351 | 789a3763 | Nikos Skalkotos | md5 = MD5(out) |
352 | f5174d2c | Nikos Skalkotos | session['checksum'] = md5.compute(image.device, size)
|
353 | fbdf1d8f | Nikos Skalkotos | |
354 | fbdf1d8f | Nikos Skalkotos | out.output() |
355 | 789a3763 | Nikos Skalkotos | try:
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356 | ffc64d7c | Nikos Skalkotos | out.output("Uploading image to the cloud:")
|
357 | 5a380da9 | Nikos Skalkotos | account = Kamaki.get_account(wizard['Cloud'])
|
358 | 5a380da9 | Nikos Skalkotos | assert account, "Cloud: %s is not valid" % wizard['Cloud'] |
359 | 49c07ce3 | Nikos Skalkotos | kamaki = Kamaki(account, out) |
360 | 789a3763 | Nikos Skalkotos | |
361 | 789a3763 | Nikos Skalkotos | name = "%s-%s.diskdump" % (wizard['ImageName'], |
362 | 789a3763 | Nikos Skalkotos | time.strftime("%Y%m%d%H%M"))
|
363 | 789a3763 | Nikos Skalkotos | pithos_file = ""
|
364 | f5174d2c | Nikos Skalkotos | with open(image.device, 'rb') as f: |
365 | 789a3763 | Nikos Skalkotos | pithos_file = kamaki.upload(f, size, name, |
366 | 8e58e699 | Nikos Skalkotos | "(1/3) Calculating block hashes",
|
367 | 8e58e699 | Nikos Skalkotos | "(2/3) Uploading missing blocks")
|
368 | 789a3763 | Nikos Skalkotos | |
369 | 8e58e699 | Nikos Skalkotos | out.output("(3/3) Uploading md5sum file ...", False) |
370 | 789a3763 | Nikos Skalkotos | md5sumstr = '%s %s\n' % (session['checksum'], name) |
371 | 789a3763 | Nikos Skalkotos | kamaki.upload(StringIO.StringIO(md5sumstr), size=len(md5sumstr),
|
372 | 789a3763 | Nikos Skalkotos | remote_path="%s.%s" % (name, 'md5sum')) |
373 | 789a3763 | Nikos Skalkotos | out.success('done')
|
374 | 789a3763 | Nikos Skalkotos | out.output() |
375 | 789a3763 | Nikos Skalkotos | |
376 | 769526cb | Nikos Skalkotos | is_public = True if wizard['ImageRegistration'] == "Public" else \ |
377 | 769526cb | Nikos Skalkotos | False
|
378 | ffc64d7c | Nikos Skalkotos | out.output('Registering %s image with the cloud ...' %
|
379 | 769526cb | Nikos Skalkotos | wizard['ImageRegistration'].lower(), False) |
380 | 8e58e699 | Nikos Skalkotos | result = kamaki.register(wizard['ImageName'], pithos_file,
|
381 | 8e58e699 | Nikos Skalkotos | metadata, is_public) |
382 | 789a3763 | Nikos Skalkotos | out.success('done')
|
383 | 8e58e699 | Nikos Skalkotos | out.output("Uploading metadata file ...", False) |
384 | 8e58e699 | Nikos Skalkotos | metastring = unicode(json.dumps(result, ensure_ascii=False)) |
385 | 8e58e699 | Nikos Skalkotos | kamaki.upload(StringIO.StringIO(metastring), size=len(metastring),
|
386 | 8e58e699 | Nikos Skalkotos | remote_path="%s.%s" % (name, 'meta')) |
387 | 8e58e699 | Nikos Skalkotos | out.success('done')
|
388 | 8e58e699 | Nikos Skalkotos | |
389 | 3afe6b44 | Nikos Skalkotos | if is_public:
|
390 | 3afe6b44 | Nikos Skalkotos | out.output("Sharing md5sum file ...", False) |
391 | 3afe6b44 | Nikos Skalkotos | kamaki.share("%s.md5sum" % name)
|
392 | 3afe6b44 | Nikos Skalkotos | out.success('done')
|
393 | 3afe6b44 | Nikos Skalkotos | out.output("Sharing metadata file ...", False) |
394 | 3afe6b44 | Nikos Skalkotos | kamaki.share("%s.meta" % name)
|
395 | 3afe6b44 | Nikos Skalkotos | out.success('done')
|
396 | 3afe6b44 | Nikos Skalkotos | |
397 | 789a3763 | Nikos Skalkotos | out.output() |
398 | 789a3763 | Nikos Skalkotos | |
399 | 789a3763 | Nikos Skalkotos | except ClientError as e: |
400 | ffc64d7c | Nikos Skalkotos | raise FatalError("Storage service client: %d %s" % |
401 | ffc64d7c | Nikos Skalkotos | (e.status, e.message)) |
402 | 789a3763 | Nikos Skalkotos | finally:
|
403 | 789a3763 | Nikos Skalkotos | out.remove(with_progress) |
404 | 09ed3d46 | Nikos Skalkotos | |
405 | ffc64d7c | Nikos Skalkotos | text = "The %s image was successfully uploaded to the storage service " \
|
406 | ffc64d7c | Nikos Skalkotos | "and registered with the compute service of %s. Would you like " \
|
407 | ffc64d7c | Nikos Skalkotos | "to keep a local copy?" % \
|
408 | ffc64d7c | Nikos Skalkotos | (wizard['Cloud'], wizard['ImageRegistration'].lower()) |
409 | ffc64d7c | Nikos Skalkotos | |
410 | ffc64d7c | Nikos Skalkotos | if not d.yesno(text, width=PAGE_WIDTH): |
411 | 023e1217 | Nikos Skalkotos | extract_image(session) |
412 | 37ee0098 | Nikos Skalkotos | |
413 | 09ed3d46 | Nikos Skalkotos | # vim: set sta sts=4 shiftwidth=4 sw=4 et ai : |