1 | package LATMOS::Accounts; |
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2 | |
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3 | use 5.010000; |
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4 | use strict; |
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5 | use warnings; |
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6 | use base qw(Config::IniFiles); |
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7 | use LATMOS::Accounts::Bases; |
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8 | use LATMOS::Accounts::Synchro; |
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9 | use LATMOS::Accounts::SynchAccess; |
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10 | use LATMOS::Accounts::Log; |
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11 | use LATMOS::Accounts::Acls; |
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12 | |
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13 | our $VERSION = '4.0.0'; |
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14 | |
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15 | =head1 NAME |
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16 | |
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17 | LATMOS::Accounts - Core module for LATMOS account management tools |
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18 | |
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19 | =head1 DESCRITPTION |
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20 | |
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21 | =cut |
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22 | |
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23 | # Return the configuration directory according settings: |
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24 | # |
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25 | sub _configdir { |
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26 | my ($self) = @_; |
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27 | $ENV{LA_CONFIG} || |
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28 | ($self || {})->{_configdir} || |
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29 | '/etc/latmos-accounts' |
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30 | } |
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31 | |
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32 | =head1 FUNCTION |
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33 | |
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34 | =head2 new($configdir, %options) |
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35 | |
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36 | Instanciate a new LATMOS::Accounts object. |
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37 | |
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38 | C<$configdir> if defined is the directory containing files to use, |
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39 | default to F</etc/latmos-accounts/>. |
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40 | |
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41 | C<%options> can contains: |
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42 | |
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43 | =over 4 |
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44 | |
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45 | =item noacl |
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46 | |
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47 | If true, acls configuration are not load and code act like everything is |
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48 | allowed. |
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49 | |
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50 | This flag is usefull for administrative tools, for which no acl must apply. |
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51 | |
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52 | =back |
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53 | |
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54 | =cut |
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55 | |
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56 | sub new { |
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57 | my ($class, $config, %options) = @_; |
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58 | |
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59 | $config ||= _configdir(); |
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60 | |
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61 | my $configfile = join('/', $config, 'latmos-accounts.ini'); |
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62 | |
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63 | my $self = Config::IniFiles->new( |
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64 | -file => $configfile, |
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65 | '-default' => '_default_', |
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66 | ) or do { |
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67 | la_log(LA_ERR, 'Can\'t open main config file %s', $configfile); |
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68 | return; |
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69 | }; |
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70 | |
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71 | $self->{_configdir} = $config; |
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72 | bless($self, $class); |
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73 | |
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74 | unless ($options{noacl}) { |
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75 | if (-f (my $aclf = join('/', $self->_configdir, 'la-acls.ini'))) { |
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76 | $self->{_acls} = LATMOS::Accounts::Acls->new($aclf) or do { |
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77 | la_log(LA_ERR, 'Cannot load ACL file %s', $aclf); |
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78 | return; |
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79 | }; |
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80 | } |
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81 | } |
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82 | |
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83 | if (-f (my $allowf = join('/', $self->_configdir, 'la-allowed-values.ini'))) { |
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84 | $self->{_allowed_values} = Config::IniFiles->new( |
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85 | -file => $allowf, |
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86 | ) or do { |
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87 | la_log(LA_ERR, 'Cannot load ALLOWED VALUES %s', $allowf); |
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88 | return; |
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89 | }; |
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90 | } |
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91 | |
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92 | $self |
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93 | } |
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94 | |
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95 | =head2 list_bases |
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96 | |
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97 | Return the base list found in config file |
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98 | |
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99 | =cut |
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100 | |
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101 | sub list_bases { |
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102 | my ($self) = @_; |
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103 | grep { |
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104 | !m/^_.*_$/ && |
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105 | !m/^sync:/ |
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106 | } $self->Sections |
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107 | } |
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108 | |
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109 | =head2 default_base_name |
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110 | |
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111 | Return the default base name according config file |
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112 | |
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113 | =cut |
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114 | |
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115 | sub default_base_name { |
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116 | my ($self) = @_; |
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117 | $self->val('_default_', 'base', ($self->list_bases)[0]); |
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118 | } |
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119 | |
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120 | =head2 base($basename) |
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121 | |
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122 | Return a L<LATMOS::Accounts::Base> object over base named $basename |
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123 | defined in the config file. |
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124 | |
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125 | The base is loaded by this function. |
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126 | |
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127 | =cut |
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128 | |
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129 | sub base { |
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130 | my ($self, $section) = @_; |
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131 | # this method perform a cache |
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132 | $self->_load_base($section || $self->default_base_name); |
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133 | } |
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134 | |
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135 | # do the bad work |
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136 | sub _load_base { |
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137 | my ($self, $section) = @_; |
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138 | my $type = $self->val($section, 'type') or return; |
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139 | |
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140 | my %params = |
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141 | map { $_ => ($self->val($section, $_)) } |
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142 | $self->Parameters($section); |
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143 | |
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144 | my %defattr = |
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145 | map { $_ => ($self->val('_defattr_', $_)) } |
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146 | $self->Parameters('_defattr_'); |
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147 | |
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148 | my $base = LATMOS::Accounts::Bases->new( |
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149 | $type, |
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150 | { |
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151 | params => \%params, |
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152 | label => $section, |
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153 | acls => $self->{_acls}, |
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154 | allowed_values => $self->{_allowed_values}, |
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155 | configdir => $self->_configdir, |
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156 | la => $self, |
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157 | defattr => { %defattr }, |
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158 | }, |
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159 | ) or do { |
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160 | la_log(LA_WARN, "Cannot instanciate base $section ($type)"); |
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161 | return; |
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162 | }; |
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163 | $base->load or return; |
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164 | $base; |
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165 | } |
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166 | |
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167 | =head2 list_synchro |
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168 | |
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169 | List synchronisation setup in L<latmos-accounts.ini> |
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170 | |
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171 | =cut |
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172 | |
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173 | sub list_synchro { |
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174 | my ($self) = @_; |
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175 | grep { $_ } map { /^sync:(.*)$/; $1 } $self->Sections |
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176 | } |
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177 | |
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178 | =head2 default_synchro_name |
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179 | |
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180 | Return de default synchronisation name |
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181 | |
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182 | =cut |
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183 | |
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184 | sub default_synchro_name { |
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185 | my ($self) = @_; |
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186 | $self->val('_default_', 'sync'); |
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187 | } |
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188 | |
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189 | =head2 default_synchro |
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190 | |
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191 | Return a reference to default synchronisation object |
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192 | |
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193 | =cut |
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194 | |
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195 | sub default_synchro { |
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196 | my ($self, %options) = @_; |
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197 | my $syncname = $self->default_synchro_name or do { |
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198 | la_log(LA_ERR, 'Cannot find default synchro in config'); |
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199 | return; |
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200 | }; |
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201 | $self->create_synchro($syncname, %options); |
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202 | } |
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203 | |
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204 | =head2 create_synchro($name, %options) |
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205 | |
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206 | Return a reference to synchronisation object for C<$name> synchronisation. |
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207 | |
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208 | =cut |
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209 | |
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210 | sub create_synchro { |
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211 | my ($self, $name, %options) = @_; |
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212 | |
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213 | # taking options from config |
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214 | if ($name) { |
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215 | foreach my $param ($self->Parameters("sync:$name")) { |
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216 | if (!defined($options{$param})) { |
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217 | my @args = $self->val("sync:$name", $param); |
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218 | $options{$param} = ($args[1] || $param eq 'to') |
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219 | ? [ @args ] |
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220 | : $args[0]; |
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221 | } |
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222 | } |
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223 | } |
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224 | |
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225 | my $labfrom = $options{from} ? $self->base($options{from}) : $self->base; |
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226 | |
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227 | my @labto = |
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228 | grep { $_ } |
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229 | map { $self->base($_) } |
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230 | @{ $options{to} || []} |
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231 | or do { |
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232 | la_log(LA_ERR, "No destination base load in this synchro"); |
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233 | return; |
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234 | }; |
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235 | |
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236 | my $sync = LATMOS::Accounts::Synchro->new( |
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237 | $labfrom, [ @labto ], |
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238 | state_dir => ($self->val('_default_', 'state_dir') || undef), |
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239 | %options, |
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240 | name => $name, |
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241 | ); |
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242 | } |
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243 | |
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244 | sub _sync_from_name { |
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245 | my ($self, $syncname) = @_; |
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246 | return if (!$syncname); |
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247 | $self->val("sync:$syncname", 'from', $self->default_base_name); |
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248 | } |
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249 | |
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250 | =head2 sync_access($name, %options) |
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251 | |
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252 | Return a L<LATMOS::Accounts::SynchAccess> object over C<$name> synchronisation. |
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253 | |
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254 | =cut |
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255 | |
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256 | sub sync_access { |
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257 | my ($self, $name, %options) = @_; |
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258 | |
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259 | my @obases; |
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260 | if ($name) { |
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261 | @obases = |
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262 | (map { $self->base($_) } ($self->_sync_from_name($name), $self->val("sync:$name", 'to'))); |
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263 | } elsif(@{ $options{bases} || []}) { |
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264 | @obases = map { $self->base($_) } @{ $options{bases} || []}; |
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265 | } elsif (my $sname = $self->default_synchro_name) { |
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266 | @obases = (map { $self->base($_) } |
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267 | ($self->_sync_from_name($sname), $self->val("sync:$sname", 'to')) |
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268 | ); |
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269 | } |
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270 | |
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271 | LATMOS::Accounts::SynchAccess->new([ @obases ]); |
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272 | } |
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273 | |
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274 | =head2 call_batch_sync |
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275 | |
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276 | Send signal to L<la-sync-manager> daemon to synchronize bases. |
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277 | |
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278 | =cut |
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279 | |
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280 | sub call_batch_sync { |
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281 | my ($self) = @_; |
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282 | if (my $sd = $self->val('_default_', 'state_dir')) { |
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283 | if (open(my $fh, '<', $sd . '/sync-manager.pid')) { |
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284 | my $pid = <$fh> || ''; |
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285 | chomp($pid); |
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286 | close($fh); |
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287 | if ($pid && kill 1, $pid) { |
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288 | return 1; # \o/ we succeed |
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289 | } else { |
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290 | la_log(LA_ERR, "Can send signal -1 to la-sync-manager (pid: %s, %s)", |
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291 | $pid || 'none', $!); |
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292 | return; |
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293 | } |
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294 | } else { |
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295 | la_log(LA_ERR, 'Cannot open la-sync-manager pid file'); |
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296 | return; |
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297 | } |
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298 | } else { |
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299 | la_log(LA_WARN, "No statedir setup, cannot find la-sync-manager pid file"); |
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300 | return; |
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301 | } |
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302 | } |
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303 | |
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304 | 1; |
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305 | |
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306 | __END__ |
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307 | |
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308 | =head1 AUTHOR |
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309 | |
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310 | Thauvin Olivier, E<lt>olivier.thauvin@latmos.ipsl.frE<gt> |
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311 | |
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312 | =head1 COPYRIGHT AND LICENSE |
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313 | |
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314 | Copyright (C) 2009, 2010, 2011, 2012 by Thauvin Olivier |
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315 | |
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316 | This library is free software; you can redistribute it and/or modify |
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317 | it under the same terms as Perl itself, either Perl version 5.10.0 or, |
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318 | at your option, any later version of Perl 5 you may have available. |
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319 | |
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320 | =cut |
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