From 8c28d09dbfcdbc49deaa923cc7ef027cdae84b2b Mon Sep 17 00:00:00 2001 From: Seth Jennings Date: Fri, 20 Apr 2018 12:22:44 -0500 Subject: [PATCH 1/2] deps: add docker operatingsystems package --- Godeps/Godeps.json | 10 + .../operatingsystem/operatingsystem_linux.go | 77 ++++++++ .../operatingsystem_solaris.go | 37 ++++ .../operatingsystem/operatingsystem_unix.go | 25 +++ .../operatingsystem_windows.go | 50 +++++ .../mattn/go-shellwords/.travis.yml | 8 + vendor/github.com/mattn/go-shellwords/LICENSE | 21 +++ .../github.com/mattn/go-shellwords/README.md | 47 +++++ .../mattn/go-shellwords/shellwords.go | 178 ++++++++++++++++++ .../mattn/go-shellwords/util_go15.go | 24 +++ .../mattn/go-shellwords/util_posix.go | 22 +++ .../mattn/go-shellwords/util_windows.go | 22 +++ 12 files changed, 521 insertions(+) create mode 100644 vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_linux.go create mode 100644 vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_solaris.go create mode 100644 vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_unix.go create mode 100644 vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_windows.go create mode 100644 vendor/github.com/mattn/go-shellwords/.travis.yml create mode 100644 vendor/github.com/mattn/go-shellwords/LICENSE create mode 100644 vendor/github.com/mattn/go-shellwords/README.md create mode 100644 vendor/github.com/mattn/go-shellwords/shellwords.go create mode 100644 vendor/github.com/mattn/go-shellwords/util_go15.go create mode 100644 vendor/github.com/mattn/go-shellwords/util_posix.go create mode 100644 vendor/github.com/mattn/go-shellwords/util_windows.go diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json index 17e38776..ae5b54e3 100644 --- a/Godeps/Godeps.json +++ b/Godeps/Godeps.json @@ -346,6 +346,11 @@ "Comment": "docs-v1.12.0-rc4-2016-07-15-7401-g4f3616fb1", "Rev": "4f3616fb1c112e206b88cb7a9922bf49067a7756" }, + { + "ImportPath": "github.com/docker/docker/pkg/parsers/operatingsystem", + "Comment": "docs-v1.12.0-rc4-2016-07-15-7401-g4f3616fb1", + "Rev": "4f3616fb1c112e206b88cb7a9922bf49067a7756" + }, { "ImportPath": "github.com/docker/docker/pkg/system", "Comment": "docs-v1.12.0-rc4-2016-07-15-7401-g4f3616fb1", @@ -494,6 +499,11 @@ "ImportPath": "github.com/kr/text", "Rev": "6807e777504f54ad073ecef66747de158294b639" }, + { + "ImportPath": "github.com/mattn/go-shellwords", + "Comment": "v1.0.3-18-g39dbbfa", + "Rev": "39dbbfa24bbc39559b61cae9b20b0e8db0e55525" + }, { "ImportPath": "github.com/matttproud/golang_protobuf_extensions/pbutil", "Rev": "fc2b8d3a73c4867e51861bbdd5ae3c1f0869dd6a" diff --git a/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_linux.go b/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_linux.go new file mode 100644 index 00000000..e04a3499 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_linux.go @@ -0,0 +1,77 @@ +// Package operatingsystem provides helper function to get the operating system +// name for different platforms. +package operatingsystem + +import ( + "bufio" + "bytes" + "fmt" + "io/ioutil" + "os" + "strings" + + "github.com/mattn/go-shellwords" +) + +var ( + // file to use to detect if the daemon is running in a container + proc1Cgroup = "/proc/1/cgroup" + + // file to check to determine Operating System + etcOsRelease = "/etc/os-release" + + // used by stateless systems like Clear Linux + altOsRelease = "/usr/lib/os-release" +) + +// GetOperatingSystem gets the name of the current operating system. +func GetOperatingSystem() (string, error) { + osReleaseFile, err := os.Open(etcOsRelease) + if err != nil { + if !os.IsNotExist(err) { + return "", fmt.Errorf("Error opening %s: %v", etcOsRelease, err) + } + osReleaseFile, err = os.Open(altOsRelease) + if err != nil { + return "", fmt.Errorf("Error opening %s: %v", altOsRelease, err) + } + } + defer osReleaseFile.Close() + + var prettyName string + scanner := bufio.NewScanner(osReleaseFile) + for scanner.Scan() { + line := scanner.Text() + if strings.HasPrefix(line, "PRETTY_NAME=") { + data := strings.SplitN(line, "=", 2) + prettyNames, err := shellwords.Parse(data[1]) + if err != nil { + return "", fmt.Errorf("PRETTY_NAME is invalid: %s", err.Error()) + } + if len(prettyNames) != 1 { + return "", fmt.Errorf("PRETTY_NAME needs to be enclosed by quotes if they have spaces: %s", data[1]) + } + prettyName = prettyNames[0] + } + } + if prettyName != "" { + return prettyName, nil + } + // If not set, defaults to PRETTY_NAME="Linux" + // c.f. http://www.freedesktop.org/software/systemd/man/os-release.html + return "Linux", nil +} + +// IsContainerized returns true if we are running inside a container. +func IsContainerized() (bool, error) { + b, err := ioutil.ReadFile(proc1Cgroup) + if err != nil { + return false, err + } + for _, line := range bytes.Split(b, []byte{'\n'}) { + if len(line) > 0 && !bytes.HasSuffix(line, []byte{'/'}) && !bytes.HasSuffix(line, []byte("init.scope")) { + return true, nil + } + } + return false, nil +} diff --git a/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_solaris.go b/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_solaris.go new file mode 100644 index 00000000..d08ad148 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_solaris.go @@ -0,0 +1,37 @@ +// +build solaris,cgo + +package operatingsystem + +/* +#include +*/ +import "C" + +import ( + "bytes" + "errors" + "io/ioutil" +) + +var etcOsRelease = "/etc/release" + +// GetOperatingSystem gets the name of the current operating system. +func GetOperatingSystem() (string, error) { + b, err := ioutil.ReadFile(etcOsRelease) + if err != nil { + return "", err + } + if i := bytes.Index(b, []byte("\n")); i >= 0 { + b = bytes.Trim(b[:i], " ") + return string(b), nil + } + return "", errors.New("release not found") +} + +// IsContainerized returns true if we are running inside a container. +func IsContainerized() (bool, error) { + if C.getzoneid() != 0 { + return true, nil + } + return false, nil +} diff --git a/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_unix.go b/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_unix.go new file mode 100644 index 00000000..bc91c3c5 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_unix.go @@ -0,0 +1,25 @@ +// +build freebsd darwin + +package operatingsystem + +import ( + "errors" + "os/exec" +) + +// GetOperatingSystem gets the name of the current operating system. +func GetOperatingSystem() (string, error) { + cmd := exec.Command("uname", "-s") + osName, err := cmd.Output() + if err != nil { + return "", err + } + return string(osName), nil +} + +// IsContainerized returns true if we are running inside a container. +// No-op on FreeBSD and Darwin, always returns false. +func IsContainerized() (bool, error) { + // TODO: Implement jail detection for freeBSD + return false, errors.New("Cannot detect if we are in container") +} diff --git a/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_windows.go b/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_windows.go new file mode 100644 index 00000000..5d8b42cc --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/parsers/operatingsystem/operatingsystem_windows.go @@ -0,0 +1,50 @@ +package operatingsystem + +import ( + "unsafe" + + "golang.org/x/sys/windows" +) + +// See https://code.google.com/p/go/source/browse/src/pkg/mime/type_windows.go?r=d14520ac25bf6940785aabb71f5be453a286f58c +// for a similar sample + +// GetOperatingSystem gets the name of the current operating system. +func GetOperatingSystem() (string, error) { + + var h windows.Handle + + // Default return value + ret := "Unknown Operating System" + + if err := windows.RegOpenKeyEx(windows.HKEY_LOCAL_MACHINE, + windows.StringToUTF16Ptr(`SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\`), + 0, + windows.KEY_READ, + &h); err != nil { + return ret, err + } + defer windows.RegCloseKey(h) + + var buf [1 << 10]uint16 + var typ uint32 + n := uint32(len(buf) * 2) // api expects array of bytes, not uint16 + + if err := windows.RegQueryValueEx(h, + windows.StringToUTF16Ptr("ProductName"), + nil, + &typ, + (*byte)(unsafe.Pointer(&buf[0])), + &n); err != nil { + return ret, err + } + ret = windows.UTF16ToString(buf[:]) + + return ret, nil +} + +// IsContainerized returns true if we are running inside a container. +// No-op on Windows, always returns false. +func IsContainerized() (bool, error) { + return false, nil +} diff --git a/vendor/github.com/mattn/go-shellwords/.travis.yml b/vendor/github.com/mattn/go-shellwords/.travis.yml new file mode 100644 index 00000000..16d1430a --- /dev/null +++ b/vendor/github.com/mattn/go-shellwords/.travis.yml @@ -0,0 +1,8 @@ +language: go +go: + - tip +before_install: + - go get github.com/mattn/goveralls + - go get golang.org/x/tools/cmd/cover +script: + - $HOME/gopath/bin/goveralls -repotoken 2FMhp57u8LcstKL9B190fLTcEnBtAAiEL diff --git a/vendor/github.com/mattn/go-shellwords/LICENSE b/vendor/github.com/mattn/go-shellwords/LICENSE new file mode 100644 index 00000000..740fa931 --- /dev/null +++ b/vendor/github.com/mattn/go-shellwords/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2017 Yasuhiro Matsumoto + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/vendor/github.com/mattn/go-shellwords/README.md b/vendor/github.com/mattn/go-shellwords/README.md new file mode 100644 index 00000000..b1d235c7 --- /dev/null +++ b/vendor/github.com/mattn/go-shellwords/README.md @@ -0,0 +1,47 @@ +# go-shellwords + +[![Coverage Status](https://coveralls.io/repos/mattn/go-shellwords/badge.png?branch=master)](https://coveralls.io/r/mattn/go-shellwords?branch=master) +[![Build Status](https://travis-ci.org/mattn/go-shellwords.svg?branch=master)](https://travis-ci.org/mattn/go-shellwords) + +Parse line as shell words. + +## Usage + +```go +args, err := shellwords.Parse("./foo --bar=baz") +// args should be ["./foo", "--bar=baz"] +``` + +```go +os.Setenv("FOO", "bar") +p := shellwords.NewParser() +p.ParseEnv = true +args, err := p.Parse("./foo $FOO") +// args should be ["./foo", "bar"] +``` + +```go +p := shellwords.NewParser() +p.ParseBacktick = true +args, err := p.Parse("./foo `echo $SHELL`") +// args should be ["./foo", "/bin/bash"] +``` + +```go +shellwords.ParseBacktick = true +p := shellwords.NewParser() +args, err := p.Parse("./foo `echo $SHELL`") +// args should be ["./foo", "/bin/bash"] +``` + +# Thanks + +This is based on cpan module [Parse::CommandLine](https://metacpan.org/pod/Parse::CommandLine). + +# License + +under the MIT License: http://mattn.mit-license.org/2017 + +# Author + +Yasuhiro Matsumoto (a.k.a mattn) diff --git a/vendor/github.com/mattn/go-shellwords/shellwords.go b/vendor/github.com/mattn/go-shellwords/shellwords.go new file mode 100644 index 00000000..96feca70 --- /dev/null +++ b/vendor/github.com/mattn/go-shellwords/shellwords.go @@ -0,0 +1,178 @@ +package shellwords + +import ( + "errors" + "os" + "regexp" +) + +var ( + ParseEnv bool = false + ParseBacktick bool = false +) + +var envRe = regexp.MustCompile(`\$({[a-zA-Z0-9_]+}|[a-zA-Z0-9_]+)`) + +func isSpace(r rune) bool { + switch r { + case ' ', '\t', '\r', '\n': + return true + } + return false +} + +func replaceEnv(s string) string { + return envRe.ReplaceAllStringFunc(s, func(s string) string { + s = s[1:] + if s[0] == '{' { + s = s[1 : len(s)-1] + } + return os.Getenv(s) + }) +} + +type Parser struct { + ParseEnv bool + ParseBacktick bool + Position int +} + +func NewParser() *Parser { + return &Parser{ParseEnv, ParseBacktick, 0} +} + +func (p *Parser) Parse(line string) ([]string, error) { + args := []string{} + buf := "" + var escaped, doubleQuoted, singleQuoted, backQuote, dollarQuote bool + backtick := "" + + pos := -1 + got := false + +loop: + for i, r := range line { + if escaped { + buf += string(r) + escaped = false + continue + } + + if r == '\\' { + if singleQuoted { + buf += string(r) + } else { + escaped = true + } + continue + } + + if isSpace(r) { + if singleQuoted || doubleQuoted || backQuote || dollarQuote { + buf += string(r) + backtick += string(r) + } else if got { + if p.ParseEnv { + buf = replaceEnv(buf) + } + args = append(args, buf) + buf = "" + got = false + } + continue + } + + switch r { + case '`': + if !singleQuoted && !doubleQuoted && !dollarQuote { + if p.ParseBacktick { + if backQuote { + out, err := shellRun(backtick) + if err != nil { + return nil, err + } + buf = out + } + backtick = "" + backQuote = !backQuote + continue + } + backtick = "" + backQuote = !backQuote + } + case ')': + if !singleQuoted && !doubleQuoted && !backQuote { + if p.ParseBacktick { + if dollarQuote { + out, err := shellRun(backtick) + if err != nil { + return nil, err + } + buf = out + } + backtick = "" + dollarQuote = !dollarQuote + continue + } + backtick = "" + dollarQuote = !dollarQuote + } + case '(': + if !singleQuoted && !doubleQuoted && !backQuote { + if !dollarQuote && len(buf) > 0 && buf == "$" { + dollarQuote = true + buf += "(" + continue + } else { + return nil, errors.New("invalid command line string") + } + } + case '"': + if !singleQuoted && !dollarQuote { + doubleQuoted = !doubleQuoted + continue + } + case '\'': + if !doubleQuoted && !dollarQuote { + singleQuoted = !singleQuoted + continue + } + case ';', '&', '|', '<', '>': + if !(escaped || singleQuoted || doubleQuoted || backQuote) { + if r == '>' { + if c := buf[0]; '0' <= c && c <= '9' { + i -= 1 + got = false + } + } + pos = i + break loop + } + } + + got = true + buf += string(r) + if backQuote || dollarQuote { + backtick += string(r) + } + } + + if got { + if p.ParseEnv { + buf = replaceEnv(buf) + } + args = append(args, buf) + } + + if escaped || singleQuoted || doubleQuoted || backQuote || dollarQuote { + return nil, errors.New("invalid command line string") + } + + p.Position = pos + + return args, nil +} + +func Parse(line string) ([]string, error) { + return NewParser().Parse(line) +} diff --git a/vendor/github.com/mattn/go-shellwords/util_go15.go b/vendor/github.com/mattn/go-shellwords/util_go15.go new file mode 100644 index 00000000..180f00f0 --- /dev/null +++ b/vendor/github.com/mattn/go-shellwords/util_go15.go @@ -0,0 +1,24 @@ +// +build !go1.6 + +package shellwords + +import ( + "os" + "os/exec" + "runtime" + "strings" +) + +func shellRun(line string) (string, error) { + var b []byte + var err error + if runtime.GOOS == "windows" { + b, err = exec.Command(os.Getenv("COMSPEC"), "/c", line).Output() + } else { + b, err = exec.Command(os.Getenv("SHELL"), "-c", line).Output() + } + if err != nil { + return "", err + } + return strings.TrimSpace(string(b)), nil +} diff --git a/vendor/github.com/mattn/go-shellwords/util_posix.go b/vendor/github.com/mattn/go-shellwords/util_posix.go new file mode 100644 index 00000000..eaf1011d --- /dev/null +++ b/vendor/github.com/mattn/go-shellwords/util_posix.go @@ -0,0 +1,22 @@ +// +build !windows,go1.6 + +package shellwords + +import ( + "errors" + "os" + "os/exec" + "strings" +) + +func shellRun(line string) (string, error) { + shell := os.Getenv("SHELL") + b, err := exec.Command(shell, "-c", line).Output() + if err != nil { + if eerr, ok := err.(*exec.ExitError); ok { + b = eerr.Stderr + } + return "", errors.New(err.Error() + ":" + string(b)) + } + return strings.TrimSpace(string(b)), nil +} diff --git a/vendor/github.com/mattn/go-shellwords/util_windows.go b/vendor/github.com/mattn/go-shellwords/util_windows.go new file mode 100644 index 00000000..e46f89a1 --- /dev/null +++ b/vendor/github.com/mattn/go-shellwords/util_windows.go @@ -0,0 +1,22 @@ +// +build windows,go1.6 + +package shellwords + +import ( + "errors" + "os" + "os/exec" + "strings" +) + +func shellRun(line string) (string, error) { + shell := os.Getenv("COMSPEC") + b, err := exec.Command(shell, "/c", line).Output() + if err != nil { + if eerr, ok := err.(*exec.ExitError); ok { + b = eerr.Stderr + } + return "", errors.New(err.Error() + ":" + string(b)) + } + return strings.TrimSpace(string(b)), nil +} From a88f575eb0bd996e353776dae202d84f2b698d1d Mon Sep 17 00:00:00 2001 From: Seth Jennings Date: Fri, 20 Apr 2018 12:22:50 -0500 Subject: [PATCH 2/2] use more robust docker os-release parser --- machine/info.go | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/machine/info.go b/machine/info.go index be90f17e..bf4f595a 100644 --- a/machine/info.go +++ b/machine/info.go @@ -23,6 +23,7 @@ import ( "strconv" "strings" + "github.com/docker/docker/pkg/parsers/operatingsystem" "github.com/google/cadvisor/fs" info "github.com/google/cadvisor/info/v1" "github.com/google/cadvisor/utils/cloudinfo" @@ -173,20 +174,11 @@ func Info(sysFs sysfs.SysFs, fsInfo fs.FsInfo, inHostNamespace bool) (*info.Mach } func ContainerOsVersion() string { - container_os := "Unknown" - os_release, err := ioutil.ReadFile("/etc/os-release") - if err == nil { - // We might be running in a busybox or some hand-crafted image. - // It's useful to know why cadvisor didn't come up. - for _, line := range strings.Split(string(os_release), "\n") { - parsed := strings.Split(line, "\"") - if len(parsed) == 3 && parsed[0] == "PRETTY_NAME=" { - container_os = parsed[1] - break - } - } + os, err := operatingsystem.GetOperatingSystem() + if err != nil { + os = "Unknown" } - return container_os + return os } func KernelVersion() string {