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Parse runtime name

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Signed-off-by: Carlos de Paula <me@carlosedp.com>
This commit is contained in:
Carlos de Paula 2019-09-15 11:15:27 -04:00
parent 4ab1e808d1
commit 1a96cf95ca
2 changed files with 14 additions and 8 deletions
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13
daemon/info_unix.go
View file

@ -35,7 +35,7 @@ func (daemon *Daemon) fillPlatformInfo(v *types.Info, sysInfo *sysinfo.SysInfo)
defaultRuntimeBinary := daemon.configStore.GetRuntime(v.DefaultRuntime).Path
if rv, err := exec.Command(defaultRuntimeBinary, "--version").Output(); err == nil {
if _, commit, err := parseRuncVersion(string(rv)); err != nil {
if _, _, commit, err := parseRuntimeVersion(string(rv)); err != nil {
logrus.Warnf("failed to parse %s version: %v", defaultRuntimeBinary, err)
v.RuncCommit.ID = "N/A"
} else {
@ -131,7 +131,7 @@ func (daemon *Daemon) fillPlatformVersion(v *types.Version) {
defaultRuntime := daemon.configStore.GetDefaultRuntimeName()
defaultRuntimeBinary := daemon.configStore.GetRuntime(defaultRuntime).Path
if rv, err := exec.Command(defaultRuntimeBinary, "--version").Output(); err == nil {
if ver, commit, err := parseRuncVersion(string(rv)); err != nil {
if _, ver, commit, err := parseRuntimeVersion(string(rv)); err != nil {
logrus.Warnf("failed to parse %s version: %v", defaultRuntimeBinary, err)
} else {
v.Components = append(v.Components, types.ComponentVersion{
@ -222,19 +222,20 @@ func parseInitVersion(v string) (version string, commit string, err error) {
return version, commit, err
}
// parseRuncVersion parses the output of `runc --version` and extracts the
// "version" and "git commit" from the output.
// parseRuntimeVersion parses the output of `[runtime] --version` and extracts the
// "name", "version" and "git commit" from the output.
//
// Output example from `runc --version`:
//
// runc version 1.0.0-rc5+dev
// commit: 69663f0bd4b60df09991c08812a60108003fa340
// spec: 1.0.0
func parseRuncVersion(v string) (version string, commit string, err error) {
func parseRuntimeVersion(v string) (runtime string, version string, commit string, err error) {
lines := strings.Split(strings.TrimSpace(v), "\n")
for _, line := range lines {
if strings.Contains(line, "version") {
s := strings.Split(line, "version")
runtime = strings.TrimSpace(s[0])
version = strings.TrimSpace(s[len(s)-1])
continue
}
@ -246,7 +247,7 @@ func parseRuncVersion(v string) (version string, commit string, err error) {
if version == "" && commit == "" {
err = errors.Errorf("unknown output format: %s", v)
}
return version, commit, err
return runtime, version, commit, err
}
func (daemon *Daemon) cgroupNamespacesEnabled(sysInfo *sysinfo.SysInfo) bool {

9
daemon/info_unix_test.go
View file

@ -50,9 +50,10 @@ func TestParseInitVersion(t *testing.T) {
}
}
func TestParseRuncVersion(t *testing.T) {
func parseRuncVersion(t *testing.T) {
tests := []struct {
output string
runtime string
version string
commit string
invalid bool
@ -63,6 +64,7 @@ runc version 1.0.0-rc5+dev
commit: 69663f0bd4b60df09991c08812a60108003fa340
spec: 1.0.0
`,
runtime: "runc",
version: "1.0.0-rc5+dev",
commit: "69663f0bd4b60df09991c08812a60108003fa340",
},
@ -71,6 +73,7 @@ spec: 1.0.0
runc version 1.0.0-rc5+dev
spec: 1.0.0
`,
runtime: "runc",
version: "1.0.0-rc5+dev",
},
{
@ -86,6 +89,7 @@ crun version 0.7
spec: 1.0.0
+SYSTEMD +SELINUX +CAP +SECCOMP +EBPF +YAJL
`,
runtime: "crun",
version: "0.7",
},
{
@ -99,12 +103,13 @@ spec: 1.0.0
}
for _, test := range tests {
version, commit, err := parseRuncVersion(string(test.output))
runtime, version, commit, err := parseRuntimeVersion(string(test.output))
if test.invalid {
assert.Check(t, is.ErrorContains(err, ""))
} else {
assert.Check(t, err)
}
assert.Equal(t, test.runtime, runtime)
assert.Equal(t, test.version, version)
assert.Equal(t, test.commit, commit)
}