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# frozen_string_literal: true
class CreateEnvironmentForSelfMonitoringProject < ActiveRecord::Migration[6.0]
DOWNTIME = false
def up
execute <<~SQL
INSERT INTO environments (project_id, name, slug, created_at, updated_at)
SELECT instance_administration_project_id, 'production', 'production', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP
FROM application_settings
WHERE instance_administration_project_id IS NOT NULL
AND NOT EXISTS (
SELECT 1
FROM environments
INNER JOIN application_settings
ON application_settings.instance_administration_project_id = environments.project_id
)
SQL
end
def down
# no-op
# This migration cannot be reversed because it cannot be ensured that the environment for the Self Monitoring Project
# did not already exist before the migration ran - in that case, the migration does nothing, and it would be unexpected
# behavior for that environment to be deleted by reversing this migration.
end
end
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