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1 | 4f3d5b76 | Michael Hanselmann | #!/usr/bin/python |
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2 | 4f3d5b76 | Michael Hanselmann | # |
3 | 4f3d5b76 | Michael Hanselmann | |
4 | 4f3d5b76 | Michael Hanselmann | # Copyright (C) 2009 Google Inc. |
5 | 4f3d5b76 | Michael Hanselmann | # |
6 | 4f3d5b76 | Michael Hanselmann | # This program is free software; you can redistribute it and/or modify |
7 | 4f3d5b76 | Michael Hanselmann | # it under the terms of the GNU General Public License as published by |
8 | 4f3d5b76 | Michael Hanselmann | # the Free Software Foundation; either version 2 of the License, or |
9 | 4f3d5b76 | Michael Hanselmann | # (at your option) any later version. |
10 | 4f3d5b76 | Michael Hanselmann | # |
11 | 4f3d5b76 | Michael Hanselmann | # This program is distributed in the hope that it will be useful, but |
12 | 4f3d5b76 | Michael Hanselmann | # WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | 4f3d5b76 | Michael Hanselmann | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | 4f3d5b76 | Michael Hanselmann | # General Public License for more details. |
15 | 4f3d5b76 | Michael Hanselmann | # |
16 | 4f3d5b76 | Michael Hanselmann | # You should have received a copy of the GNU General Public License |
17 | 4f3d5b76 | Michael Hanselmann | # along with this program; if not, write to the Free Software |
18 | 4f3d5b76 | Michael Hanselmann | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
19 | 4f3d5b76 | Michael Hanselmann | # 02110-1301, USA. |
20 | 4f3d5b76 | Michael Hanselmann | |
21 | 4f3d5b76 | Michael Hanselmann | |
22 | 4f3d5b76 | Michael Hanselmann | import imp |
23 | 4f3d5b76 | Michael Hanselmann | import optparse |
24 | 4f3d5b76 | Michael Hanselmann | import os |
25 | 4f3d5b76 | Michael Hanselmann | import sys |
26 | 4f3d5b76 | Michael Hanselmann | import re |
27 | 4f3d5b76 | Michael Hanselmann | from cStringIO import StringIO |
28 | 4f3d5b76 | Michael Hanselmann | |
29 | 4f3d5b76 | Michael Hanselmann | from ganeti import constants |
30 | 4f3d5b76 | Michael Hanselmann | from ganeti import cli |
31 | 4f3d5b76 | Michael Hanselmann | from ganeti import utils |
32 | 4f3d5b76 | Michael Hanselmann | |
33 | 4f3d5b76 | Michael Hanselmann | # _autoconf shouldn't be imported from anywhere except constants.py, but we're |
34 | 4f3d5b76 | Michael Hanselmann | # making an exception here because this script is only used at build time. |
35 | 4f3d5b76 | Michael Hanselmann | from ganeti import _autoconf |
36 | 4f3d5b76 | Michael Hanselmann | |
37 | 4f3d5b76 | Michael Hanselmann | |
38 | 4f3d5b76 | Michael Hanselmann | class ShellWriter: |
39 | 4f3d5b76 | Michael Hanselmann | """Helper class to write scripts with indentation. |
40 | 4f3d5b76 | Michael Hanselmann | |
41 | 4f3d5b76 | Michael Hanselmann | """ |
42 | 4f3d5b76 | Michael Hanselmann | INDENT_STR = " " |
43 | 4f3d5b76 | Michael Hanselmann | |
44 | 4f3d5b76 | Michael Hanselmann | def __init__(self, fh): |
45 | 4f3d5b76 | Michael Hanselmann | self._fh = fh |
46 | 4f3d5b76 | Michael Hanselmann | self._indent = 0 |
47 | 4f3d5b76 | Michael Hanselmann | |
48 | 4f3d5b76 | Michael Hanselmann | def IncIndent(self): |
49 | 4f3d5b76 | Michael Hanselmann | """Increase indentation level by 1. |
50 | 4f3d5b76 | Michael Hanselmann | |
51 | 4f3d5b76 | Michael Hanselmann | """ |
52 | 4f3d5b76 | Michael Hanselmann | self._indent += 1 |
53 | 4f3d5b76 | Michael Hanselmann | |
54 | 4f3d5b76 | Michael Hanselmann | def DecIndent(self): |
55 | 4f3d5b76 | Michael Hanselmann | """Decrease indentation level by 1. |
56 | 4f3d5b76 | Michael Hanselmann | |
57 | 4f3d5b76 | Michael Hanselmann | """ |
58 | 4f3d5b76 | Michael Hanselmann | assert self._indent > 0 |
59 | 4f3d5b76 | Michael Hanselmann | self._indent -= 1 |
60 | 4f3d5b76 | Michael Hanselmann | |
61 | 4f3d5b76 | Michael Hanselmann | def Write(self, txt, *args): |
62 | 4f3d5b76 | Michael Hanselmann | """Write line to output file. |
63 | 4f3d5b76 | Michael Hanselmann | |
64 | 4f3d5b76 | Michael Hanselmann | """ |
65 | 4f3d5b76 | Michael Hanselmann | self._fh.write(self._indent * self.INDENT_STR) |
66 | 4f3d5b76 | Michael Hanselmann | |
67 | 4f3d5b76 | Michael Hanselmann | if args: |
68 | 4f3d5b76 | Michael Hanselmann | self._fh.write(txt % args) |
69 | 4f3d5b76 | Michael Hanselmann | else: |
70 | 4f3d5b76 | Michael Hanselmann | self._fh.write(txt) |
71 | 4f3d5b76 | Michael Hanselmann | |
72 | 4f3d5b76 | Michael Hanselmann | self._fh.write("\n") |
73 | 4f3d5b76 | Michael Hanselmann | |
74 | 4f3d5b76 | Michael Hanselmann | |
75 | 4f3d5b76 | Michael Hanselmann | def WritePreamble(sw): |
76 | 4f3d5b76 | Michael Hanselmann | """Writes the script preamble. |
77 | 4f3d5b76 | Michael Hanselmann | |
78 | 4f3d5b76 | Michael Hanselmann | Helper functions should be written here. |
79 | 4f3d5b76 | Michael Hanselmann | |
80 | 4f3d5b76 | Michael Hanselmann | """ |
81 | 4f3d5b76 | Michael Hanselmann | sw.Write("# This script is automatically generated at build time.") |
82 | 4f3d5b76 | Michael Hanselmann | sw.Write("# Do not modify manually.") |
83 | 4f3d5b76 | Michael Hanselmann | |
84 | 4f3d5b76 | Michael Hanselmann | sw.Write("_ganeti_nodes() {") |
85 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
86 | 4f3d5b76 | Michael Hanselmann | try: |
87 | 4f3d5b76 | Michael Hanselmann | node_list_path = os.path.join(constants.DATA_DIR, "ssconf_node_list") |
88 | 5a78e2e7 | Michael Hanselmann | sw.Write("cat %s 2>/dev/null || :", utils.ShellQuote(node_list_path)) |
89 | 4f3d5b76 | Michael Hanselmann | finally: |
90 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
91 | 4f3d5b76 | Michael Hanselmann | sw.Write("}") |
92 | 4f3d5b76 | Michael Hanselmann | |
93 | 4f3d5b76 | Michael Hanselmann | sw.Write("_ganeti_instances() {") |
94 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
95 | 4f3d5b76 | Michael Hanselmann | try: |
96 | 4f3d5b76 | Michael Hanselmann | instance_list_path = os.path.join(constants.DATA_DIR, |
97 | 4f3d5b76 | Michael Hanselmann | "ssconf_instance_list") |
98 | 5a78e2e7 | Michael Hanselmann | sw.Write("cat %s 2>/dev/null || :", utils.ShellQuote(instance_list_path)) |
99 | 4f3d5b76 | Michael Hanselmann | finally: |
100 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
101 | 4f3d5b76 | Michael Hanselmann | sw.Write("}") |
102 | 4f3d5b76 | Michael Hanselmann | |
103 | 4f3d5b76 | Michael Hanselmann | sw.Write("_ganeti_jobs() {") |
104 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
105 | 4f3d5b76 | Michael Hanselmann | try: |
106 | 4f3d5b76 | Michael Hanselmann | # FIXME: this is really going into the internals of the job queue |
107 | 5a78e2e7 | Michael Hanselmann | sw.Write(("local jlist=$( shopt -s nullglob &&" |
108 | 5a78e2e7 | Michael Hanselmann | " cd %s 2>/dev/null && echo job-* || : )"), |
109 | 4f3d5b76 | Michael Hanselmann | utils.ShellQuote(constants.QUEUE_DIR)) |
110 | 5a78e2e7 | Michael Hanselmann | sw.Write('echo "${jlist//job-/}"') |
111 | 4f3d5b76 | Michael Hanselmann | finally: |
112 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
113 | 4f3d5b76 | Michael Hanselmann | sw.Write("}") |
114 | 4f3d5b76 | Michael Hanselmann | |
115 | 30d44392 | Michael Hanselmann | for (fnname, paths) in [ |
116 | 30d44392 | Michael Hanselmann | ("os", constants.OS_SEARCH_PATH), |
117 | 30d44392 | Michael Hanselmann | ("iallocator", constants.IALLOCATOR_SEARCH_PATH), |
118 | 30d44392 | Michael Hanselmann | ]: |
119 | 30d44392 | Michael Hanselmann | sw.Write("_ganeti_%s() {", fnname) |
120 | 30d44392 | Michael Hanselmann | sw.IncIndent() |
121 | 30d44392 | Michael Hanselmann | try: |
122 | 30d44392 | Michael Hanselmann | # FIXME: Make querying the master for all OSes cheap |
123 | 30d44392 | Michael Hanselmann | for path in paths: |
124 | 30d44392 | Michael Hanselmann | sw.Write("( shopt -s nullglob && cd %s 2>/dev/null && echo * || : )", |
125 | 30d44392 | Michael Hanselmann | utils.ShellQuote(path)) |
126 | 30d44392 | Michael Hanselmann | finally: |
127 | 30d44392 | Michael Hanselmann | sw.DecIndent() |
128 | 30d44392 | Michael Hanselmann | sw.Write("}") |
129 | 4f3d5b76 | Michael Hanselmann | |
130 | 4f3d5b76 | Michael Hanselmann | # Params: <offset> <options with values> <options without values> |
131 | 4f3d5b76 | Michael Hanselmann | # Result variable: $first_arg_idx |
132 | 4f3d5b76 | Michael Hanselmann | sw.Write("_ganeti_find_first_arg() {") |
133 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
134 | 4f3d5b76 | Michael Hanselmann | try: |
135 | 4f3d5b76 | Michael Hanselmann | sw.Write("local w i") |
136 | 4f3d5b76 | Michael Hanselmann | |
137 | 4f3d5b76 | Michael Hanselmann | sw.Write("first_arg_idx=") |
138 | 4f3d5b76 | Michael Hanselmann | sw.Write("for (( i=$1; i < COMP_CWORD; ++i )); do") |
139 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
140 | 4f3d5b76 | Michael Hanselmann | try: |
141 | 4f3d5b76 | Michael Hanselmann | sw.Write("w=${COMP_WORDS[$i]}") |
142 | 4f3d5b76 | Michael Hanselmann | |
143 | 4f3d5b76 | Michael Hanselmann | # Skip option value |
144 | 4f3d5b76 | Michael Hanselmann | sw.Write("""if [[ -n "$2" && "$w" == @($2) ]]; then let ++i""") |
145 | 4f3d5b76 | Michael Hanselmann | |
146 | 4f3d5b76 | Michael Hanselmann | # Skip |
147 | 4f3d5b76 | Michael Hanselmann | sw.Write("""elif [[ -n "$3" && "$w" == @($3) ]]; then :""") |
148 | 4f3d5b76 | Michael Hanselmann | |
149 | 4f3d5b76 | Michael Hanselmann | # Ah, we found the first argument |
150 | 4f3d5b76 | Michael Hanselmann | sw.Write("else first_arg_idx=$i; break;") |
151 | 4f3d5b76 | Michael Hanselmann | sw.Write("fi") |
152 | 4f3d5b76 | Michael Hanselmann | finally: |
153 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
154 | 4f3d5b76 | Michael Hanselmann | sw.Write("done") |
155 | 4f3d5b76 | Michael Hanselmann | finally: |
156 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
157 | 4f3d5b76 | Michael Hanselmann | sw.Write("}") |
158 | 4f3d5b76 | Michael Hanselmann | |
159 | 4f3d5b76 | Michael Hanselmann | # Params: <list of options separated by space> |
160 | 4f3d5b76 | Michael Hanselmann | # Input variable: $first_arg_idx |
161 | 4f3d5b76 | Michael Hanselmann | # Result variables: $arg_idx, $choices |
162 | 4f3d5b76 | Michael Hanselmann | sw.Write("_ganeti_list_options() {") |
163 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
164 | 4f3d5b76 | Michael Hanselmann | try: |
165 | 4f3d5b76 | Michael Hanselmann | sw.Write("""if [[ -z "$first_arg_idx" ]]; then""") |
166 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
167 | 4f3d5b76 | Michael Hanselmann | try: |
168 | 4f3d5b76 | Michael Hanselmann | sw.Write("arg_idx=0") |
169 | 4f3d5b76 | Michael Hanselmann | # Show options only if the current word starts with a dash |
170 | 4f3d5b76 | Michael Hanselmann | sw.Write("""if [[ "$cur" == -* ]]; then""") |
171 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
172 | 4f3d5b76 | Michael Hanselmann | try: |
173 | 4f3d5b76 | Michael Hanselmann | sw.Write("choices=$1") |
174 | 4f3d5b76 | Michael Hanselmann | finally: |
175 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
176 | 4f3d5b76 | Michael Hanselmann | sw.Write("fi") |
177 | 4f3d5b76 | Michael Hanselmann | sw.Write("return") |
178 | 4f3d5b76 | Michael Hanselmann | finally: |
179 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
180 | 4f3d5b76 | Michael Hanselmann | sw.Write("fi") |
181 | 4f3d5b76 | Michael Hanselmann | |
182 | 4f3d5b76 | Michael Hanselmann | # Calculate position of current argument |
183 | 4f3d5b76 | Michael Hanselmann | sw.Write("arg_idx=$(( COMP_CWORD - first_arg_idx ))") |
184 | 4f3d5b76 | Michael Hanselmann | sw.Write("choices=") |
185 | 4f3d5b76 | Michael Hanselmann | finally: |
186 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
187 | 4f3d5b76 | Michael Hanselmann | sw.Write("}") |
188 | 4f3d5b76 | Michael Hanselmann | |
189 | d4b94fe8 | Michael Hanselmann | # Params: <long options with equal sign> <all options> |
190 | d4b94fe8 | Michael Hanselmann | # Result variable: $optcur |
191 | d4b94fe8 | Michael Hanselmann | sw.Write("_ganeti_checkopt() {") |
192 | d4b94fe8 | Michael Hanselmann | sw.IncIndent() |
193 | d4b94fe8 | Michael Hanselmann | try: |
194 | d4b94fe8 | Michael Hanselmann | sw.Write("""if [[ -n "$1" && "$cur" == @($1) ]]; then""") |
195 | d4b94fe8 | Michael Hanselmann | sw.IncIndent() |
196 | d4b94fe8 | Michael Hanselmann | try: |
197 | d4b94fe8 | Michael Hanselmann | sw.Write("optcur=\"${cur#--*=}\"") |
198 | d4b94fe8 | Michael Hanselmann | sw.Write("return 0") |
199 | d4b94fe8 | Michael Hanselmann | finally: |
200 | d4b94fe8 | Michael Hanselmann | sw.DecIndent() |
201 | d4b94fe8 | Michael Hanselmann | sw.Write("""elif [[ -n "$2" && "$prev" == @($2) ]]; then""") |
202 | d4b94fe8 | Michael Hanselmann | sw.IncIndent() |
203 | d4b94fe8 | Michael Hanselmann | try: |
204 | d4b94fe8 | Michael Hanselmann | sw.Write("optcur=\"$cur\"") |
205 | d4b94fe8 | Michael Hanselmann | sw.Write("return 0") |
206 | d4b94fe8 | Michael Hanselmann | finally: |
207 | d4b94fe8 | Michael Hanselmann | sw.DecIndent() |
208 | d4b94fe8 | Michael Hanselmann | sw.Write("fi") |
209 | d4b94fe8 | Michael Hanselmann | |
210 | d4b94fe8 | Michael Hanselmann | sw.Write("return 1") |
211 | d4b94fe8 | Michael Hanselmann | finally: |
212 | d4b94fe8 | Michael Hanselmann | sw.DecIndent() |
213 | d4b94fe8 | Michael Hanselmann | sw.Write("}") |
214 | d4b94fe8 | Michael Hanselmann | |
215 | 4f3d5b76 | Michael Hanselmann | |
216 | 632d5090 | Michael Hanselmann | def WriteCompReply(sw, args, cur="\"$cur\""): |
217 | 632d5090 | Michael Hanselmann | sw.Write("""COMPREPLY=( $(compgen %s -- %s) )""", args, cur) |
218 | 4f3d5b76 | Michael Hanselmann | sw.Write("return") |
219 | 4f3d5b76 | Michael Hanselmann | |
220 | 4f3d5b76 | Michael Hanselmann | |
221 | 4f3d5b76 | Michael Hanselmann | class CompletionWriter: |
222 | 4f3d5b76 | Michael Hanselmann | """Command completion writer class. |
223 | 4f3d5b76 | Michael Hanselmann | |
224 | 4f3d5b76 | Michael Hanselmann | """ |
225 | 4f3d5b76 | Michael Hanselmann | def __init__(self, arg_offset, opts, args): |
226 | 4f3d5b76 | Michael Hanselmann | self.arg_offset = arg_offset |
227 | 4f3d5b76 | Michael Hanselmann | self.opts = opts |
228 | 4f3d5b76 | Michael Hanselmann | self.args = args |
229 | 4f3d5b76 | Michael Hanselmann | |
230 | 4f3d5b76 | Michael Hanselmann | for opt in opts: |
231 | 4f3d5b76 | Michael Hanselmann | opt.all_names = sorted(opt._short_opts + opt._long_opts) |
232 | 4f3d5b76 | Michael Hanselmann | |
233 | 4f3d5b76 | Michael Hanselmann | def _FindFirstArgument(self, sw): |
234 | 4f3d5b76 | Michael Hanselmann | ignore = [] |
235 | 4f3d5b76 | Michael Hanselmann | skip_one = [] |
236 | 4f3d5b76 | Michael Hanselmann | |
237 | 4f3d5b76 | Michael Hanselmann | for opt in self.opts: |
238 | 4f3d5b76 | Michael Hanselmann | if opt.takes_value(): |
239 | 4f3d5b76 | Michael Hanselmann | # Ignore value |
240 | 4f3d5b76 | Michael Hanselmann | for i in opt.all_names: |
241 | 580ef58d | Michael Hanselmann | if i.startswith("--"): |
242 | 580ef58d | Michael Hanselmann | ignore.append("%s=*" % utils.ShellQuote(i)) |
243 | 4f3d5b76 | Michael Hanselmann | skip_one.append(utils.ShellQuote(i)) |
244 | 4f3d5b76 | Michael Hanselmann | else: |
245 | 4f3d5b76 | Michael Hanselmann | ignore.extend([utils.ShellQuote(i) for i in opt.all_names]) |
246 | 4f3d5b76 | Michael Hanselmann | |
247 | 4f3d5b76 | Michael Hanselmann | ignore = sorted(utils.UniqueSequence(ignore)) |
248 | 4f3d5b76 | Michael Hanselmann | skip_one = sorted(utils.UniqueSequence(skip_one)) |
249 | 4f3d5b76 | Michael Hanselmann | |
250 | 4f3d5b76 | Michael Hanselmann | if ignore or skip_one: |
251 | 4f3d5b76 | Michael Hanselmann | # Try to locate first argument |
252 | 4f3d5b76 | Michael Hanselmann | sw.Write("_ganeti_find_first_arg %s %s %s", |
253 | 4f3d5b76 | Michael Hanselmann | self.arg_offset + 1, |
254 | 4f3d5b76 | Michael Hanselmann | utils.ShellQuote("|".join(skip_one)), |
255 | 4f3d5b76 | Michael Hanselmann | utils.ShellQuote("|".join(ignore))) |
256 | 4f3d5b76 | Michael Hanselmann | else: |
257 | 4f3d5b76 | Michael Hanselmann | # When there are no options the first argument is always at position |
258 | 4f3d5b76 | Michael Hanselmann | # offset + 1 |
259 | 4f3d5b76 | Michael Hanselmann | sw.Write("first_arg_idx=%s", self.arg_offset + 1) |
260 | 4f3d5b76 | Michael Hanselmann | |
261 | 4f3d5b76 | Michael Hanselmann | def _CompleteOptionValues(self, sw): |
262 | 4f3d5b76 | Michael Hanselmann | # Group by values |
263 | 4f3d5b76 | Michael Hanselmann | # "values" -> [optname1, optname2, ...] |
264 | 4f3d5b76 | Michael Hanselmann | values = {} |
265 | 4f3d5b76 | Michael Hanselmann | |
266 | 4f3d5b76 | Michael Hanselmann | for opt in self.opts: |
267 | 4f3d5b76 | Michael Hanselmann | if not opt.takes_value(): |
268 | 4f3d5b76 | Michael Hanselmann | continue |
269 | 4f3d5b76 | Michael Hanselmann | |
270 | 4f3d5b76 | Michael Hanselmann | # Only static choices implemented so far (e.g. no node list) |
271 | 4f3d5b76 | Michael Hanselmann | suggest = getattr(opt, "completion_suggest", None) |
272 | 4f3d5b76 | Michael Hanselmann | |
273 | 4f3d5b76 | Michael Hanselmann | if not suggest: |
274 | 4f3d5b76 | Michael Hanselmann | suggest = opt.choices |
275 | 4f3d5b76 | Michael Hanselmann | |
276 | 63d44c55 | Michael Hanselmann | if (isinstance(suggest, (int, long)) and |
277 | 63d44c55 | Michael Hanselmann | suggest in cli.OPT_COMPL_ALL): |
278 | 63d44c55 | Michael Hanselmann | key = suggest |
279 | 63d44c55 | Michael Hanselmann | elif suggest: |
280 | 63d44c55 | Michael Hanselmann | key = " ".join(sorted(suggest)) |
281 | 4f3d5b76 | Michael Hanselmann | else: |
282 | 63d44c55 | Michael Hanselmann | key = "" |
283 | 4f3d5b76 | Michael Hanselmann | |
284 | 63d44c55 | Michael Hanselmann | values.setdefault(key, []).extend(opt.all_names) |
285 | 4f3d5b76 | Michael Hanselmann | |
286 | 4f3d5b76 | Michael Hanselmann | # Don't write any code if there are no option values |
287 | 4f3d5b76 | Michael Hanselmann | if not values: |
288 | 4f3d5b76 | Michael Hanselmann | return |
289 | 4f3d5b76 | Michael Hanselmann | |
290 | d4b94fe8 | Michael Hanselmann | cur = "\"$optcur\"" |
291 | d4b94fe8 | Michael Hanselmann | |
292 | d4b94fe8 | Michael Hanselmann | wrote_opt = False |
293 | d4b94fe8 | Michael Hanselmann | |
294 | d4b94fe8 | Michael Hanselmann | for (suggest, allnames) in values.iteritems(): |
295 | d4b94fe8 | Michael Hanselmann | longnames = [i for i in allnames if i.startswith("--")] |
296 | d4b94fe8 | Michael Hanselmann | |
297 | d4b94fe8 | Michael Hanselmann | if wrote_opt: |
298 | d4b94fe8 | Michael Hanselmann | condcmd = "elif" |
299 | d4b94fe8 | Michael Hanselmann | else: |
300 | d4b94fe8 | Michael Hanselmann | condcmd = "if" |
301 | d4b94fe8 | Michael Hanselmann | |
302 | d4b94fe8 | Michael Hanselmann | sw.Write("%s _ganeti_checkopt %s %s; then", condcmd, |
303 | d4b94fe8 | Michael Hanselmann | utils.ShellQuote("|".join(["%s=*" % i for i in longnames])), |
304 | d4b94fe8 | Michael Hanselmann | utils.ShellQuote("|".join(allnames))) |
305 | d4b94fe8 | Michael Hanselmann | sw.IncIndent() |
306 | d4b94fe8 | Michael Hanselmann | try: |
307 | 63d44c55 | Michael Hanselmann | if suggest == cli.OPT_COMPL_MANY_NODES: |
308 | 63d44c55 | Michael Hanselmann | # TODO: Implement comma-separated values |
309 | 63d44c55 | Michael Hanselmann | WriteCompReply(sw, "-W ''", cur=cur) |
310 | 63d44c55 | Michael Hanselmann | elif suggest == cli.OPT_COMPL_ONE_NODE: |
311 | 63d44c55 | Michael Hanselmann | WriteCompReply(sw, "-W \"$(_ganeti_nodes)\"", cur=cur) |
312 | 63d44c55 | Michael Hanselmann | elif suggest == cli.OPT_COMPL_ONE_INSTANCE: |
313 | 63d44c55 | Michael Hanselmann | WriteCompReply(sw, "-W \"$(_ganeti_instances)\"", cur=cur) |
314 | 63d44c55 | Michael Hanselmann | elif suggest == cli.OPT_COMPL_ONE_OS: |
315 | 63d44c55 | Michael Hanselmann | WriteCompReply(sw, "-W \"$(_ganeti_os)\"", cur=cur) |
316 | 63d44c55 | Michael Hanselmann | elif suggest == cli.OPT_COMPL_ONE_IALLOCATOR: |
317 | 63d44c55 | Michael Hanselmann | WriteCompReply(sw, "-W \"$(_ganeti_iallocator)\"", cur=cur) |
318 | 63d44c55 | Michael Hanselmann | else: |
319 | 63d44c55 | Michael Hanselmann | WriteCompReply(sw, "-W %s" % utils.ShellQuote(suggest), cur=cur) |
320 | d4b94fe8 | Michael Hanselmann | finally: |
321 | d4b94fe8 | Michael Hanselmann | sw.DecIndent() |
322 | d4b94fe8 | Michael Hanselmann | |
323 | d4b94fe8 | Michael Hanselmann | wrote_opt = True |
324 | d4b94fe8 | Michael Hanselmann | |
325 | d4b94fe8 | Michael Hanselmann | if wrote_opt: |
326 | d4b94fe8 | Michael Hanselmann | sw.Write("fi") |
327 | d4b94fe8 | Michael Hanselmann | |
328 | d4b94fe8 | Michael Hanselmann | return |
329 | 632d5090 | Michael Hanselmann | |
330 | 4f3d5b76 | Michael Hanselmann | def _CompleteArguments(self, sw): |
331 | 4f3d5b76 | Michael Hanselmann | if not (self.opts or self.args): |
332 | 4f3d5b76 | Michael Hanselmann | return |
333 | 4f3d5b76 | Michael Hanselmann | |
334 | 4f3d5b76 | Michael Hanselmann | all_option_names = [] |
335 | 4f3d5b76 | Michael Hanselmann | for opt in self.opts: |
336 | 4f3d5b76 | Michael Hanselmann | all_option_names.extend(opt.all_names) |
337 | 4f3d5b76 | Michael Hanselmann | all_option_names.sort() |
338 | 4f3d5b76 | Michael Hanselmann | |
339 | 4f3d5b76 | Michael Hanselmann | # List options if no argument has been specified yet |
340 | 4f3d5b76 | Michael Hanselmann | sw.Write("_ganeti_list_options %s", |
341 | 4f3d5b76 | Michael Hanselmann | utils.ShellQuote(" ".join(all_option_names))) |
342 | 4f3d5b76 | Michael Hanselmann | |
343 | 4f3d5b76 | Michael Hanselmann | if self.args: |
344 | 4f3d5b76 | Michael Hanselmann | last_idx = len(self.args) - 1 |
345 | 4f3d5b76 | Michael Hanselmann | last_arg_end = 0 |
346 | 4f3d5b76 | Michael Hanselmann | varlen_arg_idx = None |
347 | 4f3d5b76 | Michael Hanselmann | wrote_arg = False |
348 | 4f3d5b76 | Michael Hanselmann | |
349 | 4f3d5b76 | Michael Hanselmann | # Write some debug comments |
350 | 4f3d5b76 | Michael Hanselmann | for idx, arg in enumerate(self.args): |
351 | 4f3d5b76 | Michael Hanselmann | sw.Write("# %s: %r", idx, arg) |
352 | 4f3d5b76 | Michael Hanselmann | |
353 | 4f3d5b76 | Michael Hanselmann | sw.Write("compgenargs=") |
354 | 4f3d5b76 | Michael Hanselmann | |
355 | 4f3d5b76 | Michael Hanselmann | for idx, arg in enumerate(self.args): |
356 | 4f3d5b76 | Michael Hanselmann | assert arg.min is not None and arg.min >= 0 |
357 | 4f3d5b76 | Michael Hanselmann | assert not (idx < last_idx and arg.max is None) |
358 | 4f3d5b76 | Michael Hanselmann | |
359 | 4f3d5b76 | Michael Hanselmann | if arg.min != arg.max or arg.max is None: |
360 | 4f3d5b76 | Michael Hanselmann | if varlen_arg_idx is not None: |
361 | 4f3d5b76 | Michael Hanselmann | raise Exception("Only one argument can have a variable length") |
362 | 4f3d5b76 | Michael Hanselmann | varlen_arg_idx = idx |
363 | 4f3d5b76 | Michael Hanselmann | |
364 | 4f3d5b76 | Michael Hanselmann | compgenargs = [] |
365 | 4f3d5b76 | Michael Hanselmann | |
366 | 4f3d5b76 | Michael Hanselmann | if isinstance(arg, cli.ArgUnknown): |
367 | 4f3d5b76 | Michael Hanselmann | choices = "" |
368 | 4f3d5b76 | Michael Hanselmann | elif isinstance(arg, cli.ArgSuggest): |
369 | 4f3d5b76 | Michael Hanselmann | choices = utils.ShellQuote(" ".join(arg.choices)) |
370 | 4f3d5b76 | Michael Hanselmann | elif isinstance(arg, cli.ArgInstance): |
371 | 4f3d5b76 | Michael Hanselmann | choices = "$(_ganeti_instances)" |
372 | 4f3d5b76 | Michael Hanselmann | elif isinstance(arg, cli.ArgNode): |
373 | 4f3d5b76 | Michael Hanselmann | choices = "$(_ganeti_nodes)" |
374 | 4f3d5b76 | Michael Hanselmann | elif isinstance(arg, cli.ArgJobId): |
375 | 4f3d5b76 | Michael Hanselmann | choices = "$(_ganeti_jobs)" |
376 | 4f3d5b76 | Michael Hanselmann | elif isinstance(arg, cli.ArgFile): |
377 | 4f3d5b76 | Michael Hanselmann | choices = "" |
378 | 4f3d5b76 | Michael Hanselmann | compgenargs.append("-f") |
379 | 4f3d5b76 | Michael Hanselmann | elif isinstance(arg, cli.ArgCommand): |
380 | 4f3d5b76 | Michael Hanselmann | choices = "" |
381 | 4f3d5b76 | Michael Hanselmann | compgenargs.append("-c") |
382 | 83ec7961 | Michael Hanselmann | elif isinstance(arg, cli.ArgHost): |
383 | 83ec7961 | Michael Hanselmann | choices = "" |
384 | 83ec7961 | Michael Hanselmann | compgenargs.append("-A hostname") |
385 | 4f3d5b76 | Michael Hanselmann | else: |
386 | 4f3d5b76 | Michael Hanselmann | raise Exception("Unknown argument type %r" % arg) |
387 | 4f3d5b76 | Michael Hanselmann | |
388 | 4f3d5b76 | Michael Hanselmann | if arg.min == 1 and arg.max == 1: |
389 | 4f3d5b76 | Michael Hanselmann | cmpcode = """"$arg_idx" == %d""" % (last_arg_end) |
390 | 5431eff1 | Michael Hanselmann | elif arg.min <= arg.max: |
391 | 4f3d5b76 | Michael Hanselmann | cmpcode = (""""$arg_idx" -ge %d && "$arg_idx" -lt %d""" % |
392 | 4f3d5b76 | Michael Hanselmann | (last_arg_end, last_arg_end + arg.max)) |
393 | 4f3d5b76 | Michael Hanselmann | elif arg.max is None: |
394 | 4f3d5b76 | Michael Hanselmann | cmpcode = """"$arg_idx" -ge %d""" % (last_arg_end) |
395 | 4f3d5b76 | Michael Hanselmann | else: |
396 | 4f3d5b76 | Michael Hanselmann | raise Exception("Unable to generate argument position condition") |
397 | 4f3d5b76 | Michael Hanselmann | |
398 | 4f3d5b76 | Michael Hanselmann | last_arg_end += arg.min |
399 | 4f3d5b76 | Michael Hanselmann | |
400 | 4f3d5b76 | Michael Hanselmann | if choices or compgenargs: |
401 | 4f3d5b76 | Michael Hanselmann | if wrote_arg: |
402 | 4f3d5b76 | Michael Hanselmann | condcmd = "elif" |
403 | 4f3d5b76 | Michael Hanselmann | else: |
404 | 4f3d5b76 | Michael Hanselmann | condcmd = "if" |
405 | 4f3d5b76 | Michael Hanselmann | |
406 | 4f3d5b76 | Michael Hanselmann | sw.Write("""%s [[ %s ]]; then""", condcmd, cmpcode) |
407 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
408 | 4f3d5b76 | Michael Hanselmann | try: |
409 | 4f3d5b76 | Michael Hanselmann | if choices: |
410 | 4f3d5b76 | Michael Hanselmann | sw.Write("""choices="$choices "%s""", choices) |
411 | 4f3d5b76 | Michael Hanselmann | if compgenargs: |
412 | 4f3d5b76 | Michael Hanselmann | sw.Write("compgenargs=%s", utils.ShellQuote(" ".join(compgenargs))) |
413 | 4f3d5b76 | Michael Hanselmann | finally: |
414 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
415 | 4f3d5b76 | Michael Hanselmann | |
416 | 4f3d5b76 | Michael Hanselmann | wrote_arg = True |
417 | 4f3d5b76 | Michael Hanselmann | |
418 | 4f3d5b76 | Michael Hanselmann | if wrote_arg: |
419 | 4f3d5b76 | Michael Hanselmann | sw.Write("fi") |
420 | 4f3d5b76 | Michael Hanselmann | |
421 | 4f3d5b76 | Michael Hanselmann | if self.args: |
422 | 4f3d5b76 | Michael Hanselmann | WriteCompReply(sw, """-W "$choices" $compgenargs""") |
423 | 4f3d5b76 | Michael Hanselmann | else: |
424 | 4f3d5b76 | Michael Hanselmann | # $compgenargs exists only if there are arguments |
425 | 4f3d5b76 | Michael Hanselmann | WriteCompReply(sw, '-W "$choices"') |
426 | 4f3d5b76 | Michael Hanselmann | |
427 | 4f3d5b76 | Michael Hanselmann | def WriteTo(self, sw): |
428 | 4f3d5b76 | Michael Hanselmann | self._FindFirstArgument(sw) |
429 | 4f3d5b76 | Michael Hanselmann | self._CompleteOptionValues(sw) |
430 | 4f3d5b76 | Michael Hanselmann | self._CompleteArguments(sw) |
431 | 4f3d5b76 | Michael Hanselmann | |
432 | 4f3d5b76 | Michael Hanselmann | |
433 | 4f3d5b76 | Michael Hanselmann | def WriteCompletion(sw, scriptname, funcname, |
434 | 4f3d5b76 | Michael Hanselmann | commands=None, |
435 | 4f3d5b76 | Michael Hanselmann | opts=None, args=None): |
436 | 4f3d5b76 | Michael Hanselmann | """Writes the completion code for one command. |
437 | 4f3d5b76 | Michael Hanselmann | |
438 | 4f3d5b76 | Michael Hanselmann | @type sw: ShellWriter |
439 | 4f3d5b76 | Michael Hanselmann | @param sw: Script writer |
440 | 4f3d5b76 | Michael Hanselmann | @type scriptname: string |
441 | 4f3d5b76 | Michael Hanselmann | @param scriptname: Name of command line program |
442 | 4f3d5b76 | Michael Hanselmann | @type funcname: string |
443 | 4f3d5b76 | Michael Hanselmann | @param funcname: Shell function name |
444 | 4f3d5b76 | Michael Hanselmann | @type commands: list |
445 | 4f3d5b76 | Michael Hanselmann | @param commands: List of all subcommands in this program |
446 | 4f3d5b76 | Michael Hanselmann | |
447 | 4f3d5b76 | Michael Hanselmann | """ |
448 | 4f3d5b76 | Michael Hanselmann | sw.Write("%s() {", funcname) |
449 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
450 | 4f3d5b76 | Michael Hanselmann | try: |
451 | 580ef58d | Michael Hanselmann | sw.Write("local " |
452 | 632d5090 | Michael Hanselmann | ' cur="${COMP_WORDS[COMP_CWORD]}"' |
453 | 580ef58d | Michael Hanselmann | ' prev="${COMP_WORDS[COMP_CWORD-1]}"' |
454 | d4b94fe8 | Michael Hanselmann | ' i first_arg_idx choices compgenargs arg_idx optcur') |
455 | 580ef58d | Michael Hanselmann | |
456 | 580ef58d | Michael Hanselmann | # Useful for debugging: |
457 | 580ef58d | Michael Hanselmann | #sw.Write("echo cur=\"$cur\" prev=\"$prev\"") |
458 | 580ef58d | Michael Hanselmann | #sw.Write("set | grep ^COMP_") |
459 | 4f3d5b76 | Michael Hanselmann | |
460 | 4f3d5b76 | Michael Hanselmann | sw.Write("COMPREPLY=()") |
461 | 4f3d5b76 | Michael Hanselmann | |
462 | 4f3d5b76 | Michael Hanselmann | if opts is not None and args is not None: |
463 | 4f3d5b76 | Michael Hanselmann | assert not commands |
464 | 4f3d5b76 | Michael Hanselmann | CompletionWriter(0, opts, args).WriteTo(sw) |
465 | 4f3d5b76 | Michael Hanselmann | |
466 | 4f3d5b76 | Michael Hanselmann | else: |
467 | 4f3d5b76 | Michael Hanselmann | sw.Write("""if [[ "$COMP_CWORD" == 1 ]]; then""") |
468 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
469 | 4f3d5b76 | Michael Hanselmann | try: |
470 | 4f3d5b76 | Michael Hanselmann | # Complete the command name |
471 | 4f3d5b76 | Michael Hanselmann | WriteCompReply(sw, |
472 | 4f3d5b76 | Michael Hanselmann | ("-W %s" % |
473 | 4f3d5b76 | Michael Hanselmann | utils.ShellQuote(" ".join(sorted(commands.keys()))))) |
474 | 4f3d5b76 | Michael Hanselmann | finally: |
475 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
476 | 4f3d5b76 | Michael Hanselmann | sw.Write("fi") |
477 | 4f3d5b76 | Michael Hanselmann | |
478 | 4f3d5b76 | Michael Hanselmann | # We're doing options and arguments to commands |
479 | 4f3d5b76 | Michael Hanselmann | sw.Write("""case "${COMP_WORDS[1]}" in""") |
480 | 4f3d5b76 | Michael Hanselmann | for cmd, (_, argdef, optdef, _, _) in commands.iteritems(): |
481 | 4f3d5b76 | Michael Hanselmann | if not (argdef or optdef): |
482 | 4f3d5b76 | Michael Hanselmann | continue |
483 | 4f3d5b76 | Michael Hanselmann | |
484 | 4f3d5b76 | Michael Hanselmann | # TODO: Group by arguments and options |
485 | 4f3d5b76 | Michael Hanselmann | sw.Write("%s)", utils.ShellQuote(cmd)) |
486 | 4f3d5b76 | Michael Hanselmann | sw.IncIndent() |
487 | 4f3d5b76 | Michael Hanselmann | try: |
488 | 4f3d5b76 | Michael Hanselmann | CompletionWriter(1, optdef, argdef).WriteTo(sw) |
489 | 4f3d5b76 | Michael Hanselmann | finally: |
490 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
491 | 4f3d5b76 | Michael Hanselmann | |
492 | 4f3d5b76 | Michael Hanselmann | sw.Write(";;") |
493 | 4f3d5b76 | Michael Hanselmann | sw.Write("esac") |
494 | 4f3d5b76 | Michael Hanselmann | finally: |
495 | 4f3d5b76 | Michael Hanselmann | sw.DecIndent() |
496 | 4f3d5b76 | Michael Hanselmann | sw.Write("}") |
497 | 4f3d5b76 | Michael Hanselmann | |
498 | 4f3d5b76 | Michael Hanselmann | sw.Write("complete -F %s -o filenames %s", |
499 | 4f3d5b76 | Michael Hanselmann | utils.ShellQuote(funcname), |
500 | 4f3d5b76 | Michael Hanselmann | utils.ShellQuote(scriptname)) |
501 | 4f3d5b76 | Michael Hanselmann | |
502 | 4f3d5b76 | Michael Hanselmann | |
503 | 4f3d5b76 | Michael Hanselmann | def GetFunctionName(name): |
504 | 4f3d5b76 | Michael Hanselmann | return "_" + re.sub(r"[^a-z0-9]+", "_", name.lower()) |
505 | 4f3d5b76 | Michael Hanselmann | |
506 | 4f3d5b76 | Michael Hanselmann | |
507 | 4f3d5b76 | Michael Hanselmann | def LoadModule(filename): |
508 | 4f3d5b76 | Michael Hanselmann | """Loads an external module by filename. |
509 | 4f3d5b76 | Michael Hanselmann | |
510 | 4f3d5b76 | Michael Hanselmann | """ |
511 | 4f3d5b76 | Michael Hanselmann | (name, ext) = os.path.splitext(filename) |
512 | 4f3d5b76 | Michael Hanselmann | |
513 | 4f3d5b76 | Michael Hanselmann | fh = open(filename, "U") |
514 | 4f3d5b76 | Michael Hanselmann | try: |
515 | 4f3d5b76 | Michael Hanselmann | return imp.load_module(name, fh, filename, (ext, "U", imp.PY_SOURCE)) |
516 | 4f3d5b76 | Michael Hanselmann | finally: |
517 | 4f3d5b76 | Michael Hanselmann | fh.close() |
518 | 4f3d5b76 | Michael Hanselmann | |
519 | 4f3d5b76 | Michael Hanselmann | |
520 | 4f3d5b76 | Michael Hanselmann | def GetCommands(filename, module): |
521 | 4f3d5b76 | Michael Hanselmann | """Returns the commands defined in a module. |
522 | 4f3d5b76 | Michael Hanselmann | |
523 | 4f3d5b76 | Michael Hanselmann | Aliases are also added as commands. |
524 | 4f3d5b76 | Michael Hanselmann | |
525 | 4f3d5b76 | Michael Hanselmann | """ |
526 | 4f3d5b76 | Michael Hanselmann | try: |
527 | 4f3d5b76 | Michael Hanselmann | commands = getattr(module, "commands") |
528 | 4f3d5b76 | Michael Hanselmann | except AttributeError, err: |
529 | 4f3d5b76 | Michael Hanselmann | raise Exception("Script %s doesn't have 'commands' attribute" % |
530 | 4f3d5b76 | Michael Hanselmann | filename) |
531 | 4f3d5b76 | Michael Hanselmann | |
532 | 4f3d5b76 | Michael Hanselmann | # Use aliases |
533 | 4f3d5b76 | Michael Hanselmann | aliases = getattr(module, "aliases", {}) |
534 | 4f3d5b76 | Michael Hanselmann | if aliases: |
535 | 4f3d5b76 | Michael Hanselmann | commands = commands.copy() |
536 | 4f3d5b76 | Michael Hanselmann | for name, target in aliases.iteritems(): |
537 | 4f3d5b76 | Michael Hanselmann | commands[name] = commands[target] |
538 | 4f3d5b76 | Michael Hanselmann | |
539 | 4f3d5b76 | Michael Hanselmann | return commands |
540 | 4f3d5b76 | Michael Hanselmann | |
541 | 4f3d5b76 | Michael Hanselmann | |
542 | 4f3d5b76 | Michael Hanselmann | def main(): |
543 | 4f3d5b76 | Michael Hanselmann | buf = StringIO() |
544 | 4f3d5b76 | Michael Hanselmann | sw = ShellWriter(buf) |
545 | 4f3d5b76 | Michael Hanselmann | |
546 | 4f3d5b76 | Michael Hanselmann | WritePreamble(sw) |
547 | 4f3d5b76 | Michael Hanselmann | |
548 | 4f3d5b76 | Michael Hanselmann | # gnt-* scripts |
549 | 4f3d5b76 | Michael Hanselmann | for scriptname in _autoconf.GNT_SCRIPTS: |
550 | 4f3d5b76 | Michael Hanselmann | filename = "scripts/%s" % scriptname |
551 | 4f3d5b76 | Michael Hanselmann | |
552 | 4f3d5b76 | Michael Hanselmann | WriteCompletion(sw, scriptname, |
553 | 4f3d5b76 | Michael Hanselmann | GetFunctionName(scriptname), |
554 | 4f3d5b76 | Michael Hanselmann | commands=GetCommands(filename, LoadModule(filename))) |
555 | 4f3d5b76 | Michael Hanselmann | |
556 | 4f3d5b76 | Michael Hanselmann | # Burnin script |
557 | 4f3d5b76 | Michael Hanselmann | burnin = LoadModule("tools/burnin") |
558 | 4f3d5b76 | Michael Hanselmann | WriteCompletion(sw, "%s/burnin" % constants.TOOLSDIR, "_ganeti_burnin", |
559 | 4f3d5b76 | Michael Hanselmann | opts=burnin.OPTIONS, args=burnin.ARGUMENTS) |
560 | 4f3d5b76 | Michael Hanselmann | |
561 | 4f3d5b76 | Michael Hanselmann | print buf.getvalue() |
562 | 4f3d5b76 | Michael Hanselmann | |
563 | 4f3d5b76 | Michael Hanselmann | |
564 | 4f3d5b76 | Michael Hanselmann | if __name__ == "__main__": |
565 | 4f3d5b76 | Michael Hanselmann | main() |