This file is indexed.

/usr/share/pyshared/crm/template.py is in pacemaker 1.1.7-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
# Copyright (C) 2008 Dejan Muhamedagic <dmuhamedagic@suse.de>
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
# 
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
# 
# You should have received a copy of the GNU General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#

import re
from vars import Vars
from utils import *
from msg import *

def get_var(l,key):
    for s in l:
        a = s.split()
        if len(a) == 2 and a[0] == key:
            return a[1]
    return ''
def chk_var(l,key):
    for s in l:
        a = s.split()
        if len(a) == 2 and a[0] == key and a[1]:
            return True
    return False
def chk_key(l,key):
    for s in l:
        a = s.split()
        if len(a) >= 1 and a[0] == key:
            return True
    return False
def validate_template(l):
    'Test for required stuff in a template.'
    if not chk_var(l,'%name'):
        common_err("invalid template: missing '%name'")
        return False
    if not chk_key(l,'%generate'):
        common_err("invalid template: missing '%generate'")
        return False
    g = l.index('%generate')
    if not (chk_key(l[0:g],'%required') or chk_key(l[0:g],'%optional')):
        common_err("invalid template: missing '%required' or '%optional'")
        return False
    return True
def fix_tmpl_refs(l,id,pfx):
    for i in range(len(l)):
        l[i] = l[i].replace(id,pfx)
def fix_tmpl_refs_re(l,regex,repl):
    for i in range(len(l)):
        l[i] = re.sub(regex,repl,l[i])
class LoadTemplate(object):
    '''
    Load a template and its dependencies, generate a
    configuration file which should be relatively easy and
    straightforward to parse.
    '''
    edit_instructions = '''# Edit instructions:
#
# Add content only at the end of lines starting with '%%'.
# Only add content, don't remove or replace anything.
# The parameters following '%required' are not optional,
# unlike those following '%optional'.
# You may also add comments for future reference.'''
    no_more_edit = '''# Don't edit anything below this line.'''
    def __init__(self,name):
        self.name = name
        self.all_pre_gen = []
        self.all_post_gen = []
        self.all_pfx = []
    def new_pfx(self,name):
        i = 1
        pfx = name
        while pfx in self.all_pfx:
            pfx = "%s_%d" % (name,i)
            i += 1
        self.all_pfx.append(pfx)
        return pfx
    def generate(self):
        return '\n'.join([ \
            "# Configuration: %s" % self.name, \
            '', \
            self.edit_instructions, \
            '', \
            '\n'.join(self.all_pre_gen), \
            self.no_more_edit, \
            '', \
            '%generate', \
            '\n'.join(self.all_post_gen)])
    def write_config(self,name):
        try:
            f = open("%s/%s" % (vars.tmpl_conf_dir, name),"w")
        except IOError,msg:
            common_err("open: %s"%msg)
            return False
        print >>f, self.generate()
        f.close()
        return True
    def load_template(self,tmpl):
        try:
            f = open("%s/%s" % (vars.tmpl_dir, tmpl))
        except IOError,msg:
            common_err("open: %s"%msg)
            return ''
        l = (''.join(f)).split('\n')
        if not validate_template(l):
            return ''
        common_info("pulling in template %s" % tmpl)
        g = l.index('%generate')
        pre_gen = l[0:g]
        post_gen = l[g+1:]
        name = get_var(pre_gen,'%name')
        for s in l[0:g]:
            if s.startswith('%depends_on'):
                a = s.split()
                if len(a) != 2:
                    common_warn("%s: wrong usage" % s)
                    continue
                tmpl_id = a[1]
                tmpl_pfx = self.load_template(a[1])
                if tmpl_pfx:
                    fix_tmpl_refs(post_gen,'%'+tmpl_id,'%'+tmpl_pfx)
        pfx = self.new_pfx(name)
        fix_tmpl_refs(post_gen, '%_:', '%'+pfx+':')
        # replace remaining %_, it may be useful at times
        fix_tmpl_refs(post_gen, '%_', pfx)
        v_idx = pre_gen.index('%required') or pre_gen.index('%optional')
        pre_gen.insert(v_idx,'%pfx ' + pfx)
        self.all_pre_gen += pre_gen
        self.all_post_gen += post_gen
        return pfx
    def post_process(self, params):
        pfx_re = '(%s)' % '|'.join(self.all_pfx)
        for n in params:
            fix_tmpl_refs(self.all_pre_gen, '%% '+n, "%% "+n+"  "+params[n])
        fix_tmpl_refs_re(self.all_post_gen, \
            '%'+pfx_re+'([^:]|$)', r'\1\2')
        # process %if ... [%else] ... %fi
        rmidx_l = []
        if_seq = False
        for i in range(len(self.all_post_gen)):
            s = self.all_post_gen[i]
            if if_seq:
                a = s.split()
                if len(a) >= 1 and a[0] == '%fi':
                    if_seq = False
                    rmidx_l.append(i)
                elif len(a) >= 1 and a[0] == '%else':
                    outcome = not outcome
                    rmidx_l.append(i)
                else:
                    if not outcome:
                        rmidx_l.append(i)
                continue
            if not s:
                continue
            a = s.split()
            if len(a) == 2 and a[0] == '%if':
                outcome = not a[1].startswith('%') # not replaced -> false
                if_seq = True
                rmidx_l.append(i)
        rmidx_l.reverse()
        for i in rmidx_l:
            del self.all_post_gen[i]

vars = Vars.getInstance()

# vim:ts=4:sw=4:et: