mirror of
https://github.com/minio/minio.git
synced 2024-12-26 07:05:55 -05:00
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015, 2016 Minio, 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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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"runtime"
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"strings"
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"github.com/hashicorp/go-version"
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"github.com/minio/mc/pkg/console"
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)
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// isContainerized returns true if we are inside a containerized environment.
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func isContainerized() bool {
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// Docker containers contain ".dockerenv" at their root path.
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if _, e := os.Stat("/.dockerenv"); e == nil {
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return true
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}
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// Check if cgroup policies for init process contains docker string.
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if cgroupData, e := ioutil.ReadFile("/proc/1/cgroup"); e == nil {
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if strings.Contains(string(cgroupData), "/docker-") {
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return true
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}
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}
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// Check if env var explicitly set
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if allow := os.Getenv("ALLOW_CONTAINER_ROOT"); allow == "1" || strings.ToLower(allow) == "true" {
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return true
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}
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/* Add checks for non-docker containers here. */
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return false
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}
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// check if minimum Go version is met.
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func checkGoVersion() {
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// Current version.
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curVersion, e := version.NewVersion(runtime.Version()[2:])
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if e != nil {
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console.Fatalln("Unable to determine current go version.", e)
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}
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// Prepare version constraint.
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constraints, e := version.NewConstraint(minGoVersion)
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if e != nil {
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console.Fatalln("Unable to check go version.")
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}
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// Check for minimum version.
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if !constraints.Check(curVersion) {
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console.Fatalln(fmt.Sprintf("Please recompile Minio with Golang version %s.", minGoVersion))
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}
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}
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