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https://github.com/kemko/nomad.git
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15fb4c990a
This PR switches the Nomad repository from using govendor to Go modules for managing dependencies. Aspects of the Nomad workflow remain pretty much the same. The usual Makefile targets should continue to work as they always did. The API submodule simply defers to the parent Nomad version on the repository, keeping the semantics of API versioning that currently exists.
39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
// Copyright 2019 The Prometheus Authors
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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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package util
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import (
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"io"
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"io/ioutil"
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"os"
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)
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// ReadFileNoStat uses ioutil.ReadAll to read contents of entire file.
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// This is similar to ioutil.ReadFile but without the call to os.Stat, because
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// many files in /proc and /sys report incorrect file sizes (either 0 or 4096).
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// Reads a max file size of 512kB. For files larger than this, a scanner
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// should be used.
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func ReadFileNoStat(filename string) ([]byte, error) {
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const maxBufferSize = 1024 * 512
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f, err := os.Open(filename)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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reader := io.LimitReader(f, maxBufferSize)
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return ioutil.ReadAll(reader)
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}
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