mirror of
https://github.com/containers/podman.git
synced 2025-06-07 07:45:34 +08:00
419efb9eb5
commit b3014c1c69d5870104aa45f7caae7af041094171 changed GetRootlessRuntimeDir() to return an empty string for root, so that its value is not exported as XDG_RUNTIME_DIR, and other programs like crun can use a better default. Now GetRootlessPauseProcessPidPath() uses homedir.GetRuntimeDir(). The homedir.GetRuntimeDir() function returns a value also when running as root so it can be used inside a nested Podman. Closes: https://github.com/containers/podman/issues/22327 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
773 lines
16 KiB
Go
773 lines
16 KiB
Go
package util
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import (
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"fmt"
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"math"
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"sort"
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"testing"
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"time"
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"github.com/containers/storage/pkg/idtools"
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stypes "github.com/containers/storage/types"
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ruser "github.com/moby/sys/user"
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"github.com/opencontainers/runtime-spec/specs-go"
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"github.com/stretchr/testify/assert"
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)
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func BreakInsert(mapping []idtools.IDMap, extension idtools.IDMap) (result []idtools.IDMap) {
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result = breakInsert(mapping, extension)
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result = sortAndMergeConsecutiveMappings(result)
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return result
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}
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//#####################
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func TestBreakInsert1(t *testing.T) {
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// extension below mapping
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mapping := []idtools.IDMap{
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{
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ContainerID: 1000,
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HostID: 1000,
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Size: 1,
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},
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}
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extension := idtools.IDMap{
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ContainerID: 2,
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HostID: 2,
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Size: 1,
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}
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 2,
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HostID: 2,
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Size: 1,
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},
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{
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ContainerID: 1000,
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HostID: 1000,
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Size: 1,
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},
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}
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result := BreakInsert(mapping, extension)
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assert.Equal(t, result, expectedResult)
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}
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func TestBreakInsert2(t *testing.T) {
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// extension below mapping
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mapping := []idtools.IDMap{
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{
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ContainerID: 1000,
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HostID: 1001,
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Size: 2,
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},
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}
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extension := idtools.IDMap{
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ContainerID: 2,
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HostID: 3,
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Size: 2,
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}
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 2,
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HostID: 3,
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Size: 2,
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},
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{
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ContainerID: 1000,
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HostID: 1001,
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Size: 2,
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},
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}
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result := BreakInsert(mapping, extension)
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assert.Equal(t, expectedResult, result)
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}
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func TestBreakInsert3(t *testing.T) {
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// extension above mapping
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mapping := []idtools.IDMap{
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{
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ContainerID: 2,
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HostID: 3,
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Size: 2,
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},
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}
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extension := idtools.IDMap{
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ContainerID: 1000,
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HostID: 1001,
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Size: 2,
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}
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 2,
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HostID: 3,
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Size: 2,
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},
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{
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ContainerID: 1000,
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HostID: 1001,
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Size: 2,
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},
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}
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result := BreakInsert(mapping, extension)
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assert.Equal(t, expectedResult, result)
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}
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func TestBreakInsert4(t *testing.T) {
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// extension right below mapping
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mapping := []idtools.IDMap{
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{
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ContainerID: 4,
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HostID: 5,
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Size: 4,
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},
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}
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extension := idtools.IDMap{
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ContainerID: 1,
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HostID: 1,
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Size: 3,
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}
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 1,
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HostID: 1,
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Size: 3,
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},
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{
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ContainerID: 4,
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HostID: 5,
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Size: 4,
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},
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}
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result := BreakInsert(mapping, extension)
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assert.Equal(t, expectedResult, result)
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}
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func TestSortAndMergeConsecutiveMappings(t *testing.T) {
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// Extension and mapping are consecutive
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mapping := []idtools.IDMap{
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{
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ContainerID: 1,
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HostID: 1,
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Size: 3,
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},
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{
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ContainerID: 4,
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HostID: 4,
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Size: 4,
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},
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}
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 1,
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HostID: 1,
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Size: 7,
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},
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}
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result := sortAndMergeConsecutiveMappings(mapping)
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assert.Equal(t, expectedResult, result)
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}
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//#####################
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func TestParseIDMap(t *testing.T) {
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mapSpec := []string{"+100000:@1002:1"}
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parentMapping := []ruser.IDMap{
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{
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ID: int64(20),
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ParentID: int64(1002),
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Count: 1,
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},
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}
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 100000,
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HostID: 20,
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Size: 1,
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},
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}
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result, err := ParseIDMap(
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mapSpec,
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"UID",
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parentMapping,
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)
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assert.Equal(t, nil, err)
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assert.Equal(t, expectedResult, result)
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}
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func TestParseIDMapSizeMissing(t *testing.T) {
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// Size is 1 if not provided
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mapSpec := []string{"+100000:@1002"}
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parentMapping := []ruser.IDMap{
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{
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ID: int64(20),
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ParentID: int64(1002),
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Count: 1,
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},
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}
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 100000,
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HostID: 20,
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Size: 1,
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},
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}
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result, err := ParseIDMap(
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mapSpec,
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"UID",
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parentMapping,
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)
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assert.Equal(t, nil, err)
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assert.Equal(t, expectedResult, result)
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}
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func TestParseIDMap2(t *testing.T) {
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mapSpec := []string{"0:2000:100000", "+1:100:1"}
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parentMapping := []ruser.IDMap(nil)
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 0,
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HostID: 2000,
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Size: 1,
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},
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{
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ContainerID: 1,
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HostID: 100,
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Size: 1,
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},
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{
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ContainerID: 2,
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HostID: 2002,
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Size: 99998,
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},
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}
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result, err := ParseIDMap(
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mapSpec,
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"UID",
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parentMapping,
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)
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assert.Equal(t, nil, err)
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assert.Equal(t, expectedResult, result)
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}
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func TestParseIDMap3(t *testing.T) {
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mapSpec := []string{"0:0:20", "24:24:6", "+7:1000:2", "+12:2000:3", "+18:3000:7"}
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parentMapping := []ruser.IDMap(nil)
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 0,
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HostID: 0,
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Size: 7,
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},
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{
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ContainerID: 7,
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HostID: 1000,
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Size: 2,
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},
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{
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ContainerID: 9,
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HostID: 9,
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Size: 3,
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},
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{
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ContainerID: 12,
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HostID: 2000,
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Size: 3,
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},
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{
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ContainerID: 15,
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HostID: 15,
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Size: 3,
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},
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{
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ContainerID: 18,
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HostID: 3000,
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Size: 7,
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},
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{
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ContainerID: 25,
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HostID: 25,
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Size: 5,
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},
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}
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result, err := ParseIDMap(
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mapSpec,
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"UID",
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parentMapping,
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)
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assert.Equal(t, nil, err)
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assert.Equal(t, expectedResult, result)
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}
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func TestParseIDMap4(t *testing.T) {
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mapSpec := []string{"0:0:20", "+10:1:1"}
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parentMapping := []ruser.IDMap(nil)
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 0,
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HostID: 0,
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Size: 1,
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},
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{
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ContainerID: 2,
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HostID: 2,
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Size: 8,
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},
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{
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ContainerID: 10,
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HostID: 1,
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Size: 1,
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},
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{
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ContainerID: 11,
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HostID: 11,
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Size: 9,
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},
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}
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result, err := ParseIDMap(
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mapSpec,
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"UID",
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parentMapping,
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)
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assert.Equal(t, nil, err)
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assert.Equal(t, expectedResult, result)
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}
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func TestParseIDMap5(t *testing.T) {
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mapSpec := []string{"0:20:10", "15:35:10", "+8:23:16"}
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parentMapping := []ruser.IDMap(nil)
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 0,
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HostID: 20,
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Size: 3,
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},
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{
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ContainerID: 8,
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HostID: 23,
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Size: 16,
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},
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{
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ContainerID: 24,
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HostID: 44,
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Size: 1,
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},
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}
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result, err := ParseIDMap(
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mapSpec,
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"UID",
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parentMapping,
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)
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assert.Equal(t, nil, err)
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assert.Equal(t, expectedResult, result)
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}
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func TestParseIDMapUserGroupFlags(t *testing.T) {
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mapSpec := []string{"u1:3:1", "g2:4:2"}
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parentMapping := []ruser.IDMap(nil)
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expectedResultUser := []idtools.IDMap{
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{
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ContainerID: 1,
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HostID: 3,
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Size: 1,
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},
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}
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expectedResultGroup := []idtools.IDMap{
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{
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ContainerID: 2,
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HostID: 4,
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Size: 2,
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},
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}
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result, err := ParseIDMap(mapSpec, "UID", parentMapping)
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assert.Equal(t, nil, err)
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assert.Equal(t, expectedResultUser, result)
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result, err = ParseIDMap(mapSpec, "GID", parentMapping)
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assert.Equal(t, err, nil)
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assert.Equal(t, expectedResultGroup, result)
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}
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func TestParseAutoIDMap(t *testing.T) {
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result, err := parseAutoIDMap("3:4:5", "UID", []ruser.IDMap{})
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assert.Equal(t, err, nil)
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assert.Equal(t, result, []idtools.IDMap{
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{
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ContainerID: 3,
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HostID: 4,
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Size: 5,
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},
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})
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}
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func TestParseAutoIDMapRelative(t *testing.T) {
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parentMapping := []ruser.IDMap{
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{
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ID: 0,
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ParentID: 1000,
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Count: 1,
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},
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{
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ID: 1,
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ParentID: 100000,
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Count: 65536,
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},
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}
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result, err := parseAutoIDMap("100:@100000:1", "UID", parentMapping)
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assert.Equal(t, err, nil)
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assert.Equal(t, result, []idtools.IDMap{
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{
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ContainerID: 100,
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HostID: 1,
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Size: 1,
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},
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})
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}
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func TestFillIDMap(t *testing.T) {
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availableRanges := [][2]int{{0, 10}, {10000, 20000}}
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idmap := []idtools.IDMap{
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{
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ContainerID: 1,
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HostID: 1000,
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Size: 10,
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},
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{
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ContainerID: 30,
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HostID: 2000,
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Size: 20,
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},
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}
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expectedResult := []idtools.IDMap{
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{
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ContainerID: 0,
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HostID: 0,
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Size: 1,
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},
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{
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ContainerID: 1,
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HostID: 1000,
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Size: 10,
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},
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{
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ContainerID: 11,
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HostID: 1,
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Size: 9,
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},
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{
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ContainerID: 20,
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HostID: 10000,
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Size: 10,
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},
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{
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ContainerID: 30,
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HostID: 2000,
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Size: 20,
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},
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{
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ContainerID: 50,
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HostID: 10010,
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Size: 9990,
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},
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}
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result := fillIDMap(idmap, availableRanges)
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assert.Equal(t, expectedResult, result)
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}
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func TestGetAvailableIDRanges(t *testing.T) {
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all := [][2]int{{0, 30}, {50, 70}}
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used := [][2]int{{2, 4}, {25, 55}}
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expectedResult := [][2]int{{0, 2}, {4, 25}, {55, 70}}
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result := getAvailableIDRanges(all, used)
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assert.Equal(t, expectedResult, result)
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}
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func TestValidateSysctls(t *testing.T) {
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strSlice := []string{"net.core.test1=4", "kernel.msgmax=2"}
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result, _ := ValidateSysctls(strSlice)
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assert.Equal(t, result["net.core.test1"], "4")
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}
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func TestValidateSysctlBadSysctl(t *testing.T) {
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strSlice := []string{"BLAU=BLUE", "GELB^YELLOW"}
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_, err := ValidateSysctls(strSlice)
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assert.Error(t, err)
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}
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func TestValidateSysctlBadSysctlWithExtraSpaces(t *testing.T) {
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expectedError := "'%s' is invalid, extra spaces found"
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// should fail fast on first sysctl
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strSlice1 := []string{
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"net.ipv4.ping_group_range = 0 0",
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"net.ipv4.ping_group_range=0 0 ",
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}
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_, err := ValidateSysctls(strSlice1)
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assert.Error(t, err)
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assert.Equal(t, err.Error(), fmt.Sprintf(expectedError, strSlice1[0]))
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// should fail on second sysctl
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strSlice2 := []string{
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"net.ipv4.ping_group_range=0 0",
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"net.ipv4.ping_group_range=0 0 ",
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}
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_, err = ValidateSysctls(strSlice2)
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assert.Error(t, err)
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assert.Equal(t, err.Error(), fmt.Sprintf(expectedError, strSlice2[1]))
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}
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func TestCoresToPeriodAndQuota(t *testing.T) {
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cores := 1.0
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expectedPeriod := DefaultCPUPeriod
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expectedQuota := int64(DefaultCPUPeriod)
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actualPeriod, actualQuota := CoresToPeriodAndQuota(cores)
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assert.Equal(t, actualPeriod, expectedPeriod, "Period does not match")
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assert.Equal(t, actualQuota, expectedQuota, "Quota does not match")
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}
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func TestPeriodAndQuotaToCores(t *testing.T) {
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var (
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period uint64 = 100000
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quota int64 = 50000
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expectedCores = 0.5
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)
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assert.Equal(t, PeriodAndQuotaToCores(period, quota), expectedCores)
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}
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|
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func TestParseInputTime(t *testing.T) {
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tm, err := ParseInputTime("1.5", true)
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if err != nil {
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t.Errorf("expected error to be nil but was: %v", err)
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}
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|
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expected, err := time.ParseInLocation(time.RFC3339Nano, "1970-01-01T00:00:01.500000000Z", time.UTC)
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, expected, tm)
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}
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|
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func TestConvertMappings(t *testing.T) {
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start := []specs.LinuxIDMapping{
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{
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ContainerID: 1,
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HostID: 2,
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Size: 3,
|
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},
|
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{
|
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ContainerID: 4,
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HostID: 5,
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Size: 6,
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},
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}
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converted := RuntimeSpecToIDtools(start)
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|
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convertedBack := IDtoolsToRuntimeSpec(converted)
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assert.Equal(t, len(start), len(convertedBack))
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for i := range start {
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assert.Equal(t, start[i].ContainerID, convertedBack[i].ContainerID)
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assert.Equal(t, start[i].HostID, convertedBack[i].HostID)
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assert.Equal(t, start[i].Size, convertedBack[i].Size)
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}
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}
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|
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func TestConvertTimeout(t *testing.T) {
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timeout := ConvertTimeout(0)
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assert.Equal(t, uint(0), timeout)
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timeout = ConvertTimeout(100)
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assert.Equal(t, uint(100), timeout)
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timeout = ConvertTimeout(-1)
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assert.Equal(t, uint(math.MaxUint32), timeout)
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timeout = ConvertTimeout(-100)
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assert.Equal(t, uint(math.MaxUint32), timeout)
|
|
}
|
|
|
|
func TestGetRootlessKeepIDMapping(t *testing.T) {
|
|
tests := []struct {
|
|
uid, gid int
|
|
uids, gids []idtools.IDMap
|
|
expectedOptions *stypes.IDMappingOptions
|
|
expectedUID, expectedGID int
|
|
expectedError error
|
|
}{
|
|
{
|
|
uid: 1000,
|
|
gid: 1000,
|
|
uids: []idtools.IDMap{},
|
|
gids: []idtools.IDMap{},
|
|
expectedOptions: &stypes.IDMappingOptions{
|
|
HostUIDMapping: false,
|
|
HostGIDMapping: false,
|
|
UIDMap: []idtools.IDMap{{ContainerID: 1000, HostID: 0, Size: 1}},
|
|
GIDMap: []idtools.IDMap{{ContainerID: 1000, HostID: 0, Size: 1}},
|
|
},
|
|
expectedUID: 1000,
|
|
expectedGID: 1000,
|
|
},
|
|
{
|
|
uid: 0,
|
|
gid: 0,
|
|
uids: []idtools.IDMap{{ContainerID: 0, HostID: 100000, Size: 65536}},
|
|
gids: []idtools.IDMap{{ContainerID: 0, HostID: 100000, Size: 65536}},
|
|
expectedOptions: &stypes.IDMappingOptions{
|
|
HostUIDMapping: false,
|
|
HostGIDMapping: false,
|
|
UIDMap: []idtools.IDMap{{ContainerID: 0, HostID: 0, Size: 1}, {ContainerID: 1, HostID: 1, Size: 65536}},
|
|
GIDMap: []idtools.IDMap{{ContainerID: 0, HostID: 0, Size: 1}, {ContainerID: 1, HostID: 1, Size: 65536}},
|
|
},
|
|
expectedUID: 0,
|
|
expectedGID: 0,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
options, uid, gid, err := getRootlessKeepIDMapping(test.uid, test.gid, test.uids, test.gids)
|
|
assert.Nil(t, err)
|
|
assert.Equal(t, test.expectedOptions, options)
|
|
assert.Equal(t, test.expectedUID, uid)
|
|
assert.Equal(t, test.expectedGID, gid)
|
|
}
|
|
}
|
|
|
|
func getDefaultMountOptionsNoStat(path string) (defaultMountOptions, error) {
|
|
return defaultMountOptions{false, true, true}, nil
|
|
}
|
|
|
|
func TestProcessOptions(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
options []string
|
|
isTmpfs bool
|
|
sourcePath string
|
|
expected []string
|
|
expectErr bool
|
|
}{
|
|
{
|
|
name: "tmpfs",
|
|
options: []string{"rw", "size=512m"},
|
|
isTmpfs: true,
|
|
sourcePath: "",
|
|
expected: []string{"nodev", "nosuid", "rprivate", "rw", "size=512m", "tmpcopyup"},
|
|
},
|
|
{
|
|
name: "duplicate idmap option",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"idmap", "idmap"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "mode allowed only with tmpfs",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"rw", "rbind", "mode=0123"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "noswap allowed only with tmpfs",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"noswap"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "tmpcopyup allowed only with tmpfs",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"tmpcopyup"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "notmpcopyup allowed only with tmpfs",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"notmpcopyup"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "z not allowed with tmpfs",
|
|
isTmpfs: true,
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"z"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "size allowed only with tmpfs",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"size=123456"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "conflicting option dev/nodev",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"dev", "nodev"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "conflicting option suid/nosuid",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"suid", "nosuid"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "conflicting option exec/noexec",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"noexec", "exec"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "conflicting option ro/rw",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"ro", "rw"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "conflicting option bind/rbind",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"bind", "rbind"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "conflicting option bind/rbind",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"bind", "rbind"},
|
|
expectErr: true,
|
|
},
|
|
{
|
|
name: "default bind mount",
|
|
sourcePath: "/path/to/source",
|
|
expected: []string{"nodev", "nosuid", "rbind", "rprivate", "rw"},
|
|
},
|
|
{
|
|
name: "default bind mount with bind",
|
|
sourcePath: "/path/to/source",
|
|
options: []string{"bind"},
|
|
expected: []string{"nodev", "nosuid", "bind", "private", "rw"},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
opts, err := processOptionsInternal(tt.options, tt.isTmpfs, tt.sourcePath, getDefaultMountOptionsNoStat)
|
|
if tt.expectErr {
|
|
assert.NotNil(t, err)
|
|
} else {
|
|
assert.Nil(t, err)
|
|
sort.Strings(opts)
|
|
sort.Strings(tt.expected)
|
|
assert.Equal(t, opts, tt.expected)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestGetRootlessPauseProcessPidPath(t *testing.T) {
|
|
dir, err := GetRootlessPauseProcessPidPath()
|
|
assert.NoError(t, err)
|
|
assert.NotEqual(t, dir, "libpod/tmp/pause.pid")
|
|
}
|