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module Oxidized
class SQL < Source
begin
require 'sequel'
rescue LoadError
raise OxidizedError, 'sequel not found: sudo gem install sequel'
end
def setup
if @cfg.empty?
Oxidized.asetus.user.source.sql.adapter = 'sqlite'
Oxidized.asetus.user.source.sql.database = File.join(Config::Root, 'sqlite.db')
Oxidized.asetus.user.source.sql.table = 'devices'
Oxidized.asetus.user.source.sql.map.name = 'name'
Oxidized.asetus.user.source.sql.map.model = 'rancid'
Oxidized.asetus.save :user
raise NoConfig, 'no source sql config, edit ~/.config/oxidized/config'
end
end
def load node_want=nill
nodes = []
db = connect
query = db[@cfg.table.to_sym]
query = query.with_sql(@cfg.query) if @cfg.query?
if node_want
query = query.where(@cfg.map.name.to_sym=>node_want)
end
query.each do |node|
# map node parameters
keys = {}
@cfg.map.each { |key, sql_column| keys[key.to_sym] = node_var_interpolate node[sql_column.to_sym] }
keys[:model] = map_model keys[:model] if keys.has_key? :model
# map node specific vars
vars = {}
@cfg.vars_map.each do |key, sql_column|
vars[key.to_sym] = node_var_interpolate node[sql_column.to_sym]
end
keys[:vars] = vars unless vars.empty?
nodes << keys
end
db.disconnect
nodes
end
private
def initialize
super
@cfg = Oxidized.config.source.sql
end
def connect
Sequel.connect(:adapter => @cfg.adapter,
:host => @cfg.host?,
:user => @cfg.user?,
:password => @cfg.password?,
:database => @cfg.database)
rescue Sequel::AdapterNotFound => error
raise OxidizedError, "SQL adapter gem not installed: " + error.message
end
end
end
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