63 lines
2.2 KiB
Go
63 lines
2.2 KiB
Go
/*
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Copyright 2017 the Heptio Ark contributors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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package cloudprovider
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import (
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"io"
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"time"
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)
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// ObjectStore exposes basic object-storage operations required
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// by Ark.
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type ObjectStore interface {
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// Init prepares the ObjectStore for usage using the provided map of
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// configuration key-value pairs. It returns an error if the ObjectStore
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// cannot be initialized from the provided config.
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Init(config map[string]string) error
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// PutObject creates a new object using the data in body within the specified
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// object storage bucket with the given key.
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PutObject(bucket, key string, body io.Reader) error
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// GetObject retrieves the object with the given key from the specified
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// bucket in object storage.
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GetObject(bucket, key string) (io.ReadCloser, error)
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// ListCommonPrefixes gets a list of all object key prefixes that start with
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// the specified prefix and stop at the next instance of the provided delimiter.
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//
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// For example, if the bucket contains the following keys:
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// a-prefix/foo-1/bar
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// a-prefix/foo-1/baz
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// a-prefix/foo-2/baz
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// some-other-prefix/foo-3/bar
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// and the provided prefix arg is "a-prefix/", and the delimiter is "/",
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// this will return the slice {"a-prefix/foo-1/", "a-prefix/foo-2/"}.
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ListCommonPrefixes(bucket, prefix, delimiter string) ([]string, error)
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// ListObjects gets a list of all keys in the specified bucket
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// that have the given prefix.
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ListObjects(bucket, prefix string) ([]string, error)
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// DeleteObject removes the object with the specified key from the given
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// bucket.
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DeleteObject(bucket, key string) error
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// CreateSignedURL creates a pre-signed URL for the given bucket and key that expires after ttl.
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CreateSignedURL(bucket, key string, ttl time.Duration) (string, error)
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}
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