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98 lines
2.9 KiB
Text
98 lines
2.9 KiB
Text
---
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title: About the mysql_conf Resource
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---
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# mysql_conf
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Use the `mysql_conf` InSpec audit resource to test the contents of the configuration file for MySQL, typically located at `/etc/mysql/my.cnf` or `/etc/my.cnf`.
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<br>
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## Syntax
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A `mysql_conf` resource block declares one (or more) settings in the `my.cnf` file, and then compares the setting in the configuration file to the value stated in the test:
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describe mysql_conf('path') do
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its('setting') { should eq 'value' }
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end
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# Test a parameter set within the [mysqld] section
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describe mysql_conf do
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its('mysqld.port') { should cmp 3306 }
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end
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# Test a parameter set within the [mariadb] section using array notation
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describe mysql_conf do
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its(['mariadb', 'max-connections']) { should_not be_nil }
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end
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where
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* `'setting'` specifies a setting in the `my.cnf` file, such as `max_connections`
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* when checking a setting within sections, such as `[mysqld]`, the section name must be included
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* `('path')` is the non-default path to the `my.cnf` file
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* `should eq 'value'` is the value that is expected
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<br>
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## Examples
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The following examples show how to use this InSpec audit resource.
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### Test the maximum number of allowed connections
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describe mysql_conf do
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its('max_connections') { should eq '505' }
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its('max_user_connections') { should eq '500' }
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end
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### Test slow query logging**
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describe mysql_conf do
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its('slow_query_log_file') { should eq 'hostname_slow.log' }
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its('slow_query_log') { should eq '0' }
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its('log_queries_not_using_indexes') { should eq '1' }
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its('long_query_time') { should eq '0.5' }
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its('min_examined_row_limit') { should eq '100' }
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end
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### Test the port and socket on which MySQL listens
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describe mysql_conf do
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its('port') { should eq '3306' }
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its('socket') { should eq '/var/run/mysqld/mysql.sock' }
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end
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### Test connection and thread variables
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describe mysql_conf do
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its('port') { should eq '3306' }
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its('socket') { should eq '/var/run/mysqld/mysql.sock' }
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its('max_allowed_packet') { should eq '12M' }
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its('default_storage_engine') { should eq 'InnoDB' }
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its('character_set_server') { should eq 'utf8' }
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its('collation_server') { should eq 'utf8_general_ci' }
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its('max_connections') { should eq '505' }
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its('max_user_connections') { should eq '500' }
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its('thread_cache_size') { should eq '505' }
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end
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### Test the safe-user-create parameter
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describe mysql_conf.params('mysqld') do
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its('safe-user-create') { should eq('1') }
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end
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<br>
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## Matchers
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For a full list of available matchers please visit our [matchers page](https://www.inspec.io/docs/reference/matchers/).
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### setting
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The `setting` matcher tests specific, named settings in the `my.cnf` file:
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its('setting') { should eq 'value' }
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Use a `setting` matcher for each setting to be tested.
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