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require 'couchrest'
require 'json'
module Tapicero
class UserDatabase
def initialize(host, name)
@host = host
@name = name
end
def create
retry_request_once "Creating database" do
create_db
end
end
def secure(security)
# let's not overwrite if we have a security doc already
return if secured? && !Tapicero::FLAGS.include?('--overwrite-security')
retry_request_once "Writing security to" do
Tapicero.logger.debug security.to_json
CouchRest.put security_url, security
end
end
def add_design_docs
pattern = BASE_DIR + 'designs' + '*.json'
Tapicero.logger.debug "Looking for design docs in #{pattern}"
Pathname.glob(pattern).each do |file|
retry_request_once "Uploading design doc to" do
upload_design_doc(file)
end
end
end
def upload_design_doc(file)
url = design_url(file.basename('.json'))
CouchRest.put url, JSON.parse(file.read)
rescue RestClient::Conflict
end
def destroy
retry_request_once "Deleting database" do
delete_db
end
end
protected
def create_db
CouchRest.new(host).create_db(name)
rescue RestClient::PreconditionFailed # database already existed
end
def delete_db
db = CouchRest.new(host).database(name)
db.delete! if db
rescue RestClient::ResourceNotFound # no database found
end
def retry_request_once(action)
second_try ||= false
Tapicero.logger.debug "#{action} #{name}"
yield
rescue RestClient::Exception => exc
if second_try
log_error "#{action} #{name} failed twice due to:", exc
else
log_error "#{action} #{name} failed due to:", exc
sleep 5
second_try = true
retry
end
end
def log_error(message, exc)
Tapicero.logger.warn message if message
Tapicero.logger.warn exc.class.name + ': ' + exc.to_s
Tapicero.logger.debug exc.backtrace.join("\n")
end
def secured?
retry_request_once "Checking security of" do
CouchRest.get(security_url).keys.any?
end
end
def security_url
"#{host}/#{name}/_security"
end
def design_url(doc_name)
"#{host}/#{name}/_design/#{doc_name}"
end
attr_reader :host, :name
end
end
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