58 lines
1.6 KiB
Ruby
58 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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#
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# Cookbook:: postgresql
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# Resource:: extension
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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include Opscode::PostgresqlHelpers
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# name property should take the form:
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# database/extension
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property :database, String,
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required: true,
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default: lazy { name.scan(%r{\A[^/]+(?=/)}).first }
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property :extension, String,
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required: true,
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default: lazy { name.scan(%r{(?<=/)[^/]+\Z}).first }
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action :create do
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bash "CREATE EXTENSION #{name}" do
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code psql("CREATE EXTENSION IF NOT EXISTS \"#{extension}\"")
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user 'postgres'
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action :run
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not_if { extension_installed? }
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end
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end
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action :drop do
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bash "DROP EXTENSION #{name}" do
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code psql("DROP EXTENSION IF EXISTS \"#{extension}\"")
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user 'postgres'
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action :run
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only_if { extension_installed? }
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end
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end
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def psql(query)
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"psql -d #{database} <<< '\\set ON_ERROR_STOP on\n#{query};'"
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end
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def extension_installed?
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query = "SELECT 'installed' FROM pg_extension WHERE extname = '#{extension}';"
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!(execute_sql(query, database) =~ /^installed$/).nil?
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end
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