57 lines
1.9 KiB
Ruby
57 lines
1.9 KiB
Ruby
#
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# Cookbook Name:: openstack-common
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# library:: uri
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#
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# Copyright 2012-2013, AT&T Services, Inc.
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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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require "uri"
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module ::Openstack
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# Returns a uri::URI from a hash. If the hash has a "uri" key, the value
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# of that is returned. If not, then the routine attempts to construct
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# the URI from other parts of the hash, notably looking for keys of
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# "host", "port", "scheme", and "path" to construct the URI.
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#
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# Returns nil if neither "uri" or "host" keys exist in the supplied
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# hash.
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def uri_from_hash hash
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if hash['uri']
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::URI.parse hash['uri']
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else
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return nil unless hash['host']
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scheme = hash['scheme'] ? hash['scheme'] : "http"
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host = hash['host']
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port = hash['port'] # Returns nil if missing, which is fine.
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path = hash['path'] # Returns nil if missing, which is fine.
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::URI::Generic.new scheme, nil, host, port, nil, path, nil, nil, nil
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end
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end
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# Helper for joining URI paths. The standard URI::join method is not
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# intended for joining URI relative path segments. This function merely
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# helps to accurately join supplied paths.
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def uri_join_paths(*paths)
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return nil if paths.length == 0
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leadingslash = paths[0][0] == '/' ? '/' : ''
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trailingslash = paths[-1][-1] == '/' ? '/' : ''
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paths.map! { |path|
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path = path.sub(/^\/+/,'').sub(/\/+$/,'')
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}
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leadingslash + paths.join('/') + trailingslash
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end
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end
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