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DRA: use crc32.ChecksumIEEE to calculate checkpoint checksum

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This commit is contained in:
Ed Bartosh 2024-07-23 22:37:23 +03:00
parent 59daed75d6
commit 35fbbc5cfd
2 changed files with 15 additions and 10 deletions
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13
pkg/kubelet/cm/dra/checkpoint/checkpoint.go
View File

@ -18,9 +18,10 @@ package checkpoint
import ( import (
"encoding/json" "encoding/json"
"hash/crc32"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/pkg/kubelet/checkpointmanager/checksum" "k8s.io/kubernetes/pkg/kubelet/checkpointmanager/errors"
state "k8s.io/kubernetes/pkg/kubelet/cm/dra/state" state "k8s.io/kubernetes/pkg/kubelet/cm/dra/state"
) )
@ -36,7 +37,7 @@ type Checkpoint struct {
// See state.CheckpointData for the details // See state.CheckpointData for the details
Data string Data string
// Checksum is a checksum of Data // Checksum is a checksum of Data
Checksum checksum.Checksum Checksum uint32
} }
type CheckpointData struct { type CheckpointData struct {
@ -61,7 +62,7 @@ func NewCheckpoint(data state.ClaimInfoStateList) (*Checkpoint, error) {
return &Checkpoint{ return &Checkpoint{
Data: string(cpDataBytes), Data: string(cpDataBytes),
Checksum: checksum.New(string(cpDataBytes)), Checksum: crc32.ChecksumIEEE(cpDataBytes),
}, nil }, nil
} }
@ -88,7 +89,11 @@ func (cp *Checkpoint) UnmarshalCheckpoint(blob []byte) error {
// VerifyChecksum verifies that current checksum // VerifyChecksum verifies that current checksum
// of checkpointed Data is valid // of checkpointed Data is valid
func (cp *Checkpoint) VerifyChecksum() error { func (cp *Checkpoint) VerifyChecksum() error {
return cp.Checksum.Verify(cp.Data) expectedCS := crc32.ChecksumIEEE([]byte(cp.Data))
if expectedCS != cp.Checksum {
return &errors.CorruptCheckpointError{ActualCS: uint64(cp.Checksum), ExpectedCS: uint64(expectedCS)}
}
return nil
} }
// GetEntries returns list of claim info states from checkpoint // GetEntries returns list of claim info states from checkpoint

12
pkg/kubelet/cm/dra/checkpoint/checkpointer_test.go
View File

@ -47,7 +47,7 @@ func TestCheckpointGetOrCreate(t *testing.T) {
}, },
{ {
description: "single-claim-info-state", description: "single-claim-info-state",
checkpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}}]}","Checksum":2327868095}`, checkpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}}]}","Checksum":1597924435}`,
expectedClaimInfoStateList: state.ClaimInfoStateList{ expectedClaimInfoStateList: state.ClaimInfoStateList{
{ {
DriverState: map[string]state.DriverState{ DriverState: map[string]state.DriverState{
@ -71,7 +71,7 @@ func TestCheckpointGetOrCreate(t *testing.T) {
}, },
{ {
description: "claim-info-state-with-multiple-devices", description: "claim-info-state-with-multiple-devices",
checkpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]},{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-2\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}}]}","Checksum":1228427175}`, checkpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]},{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-2\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}}]}","Checksum":1812303514}`,
expectedClaimInfoStateList: state.ClaimInfoStateList{ expectedClaimInfoStateList: state.ClaimInfoStateList{
{ {
DriverState: map[string]state.DriverState{ DriverState: map[string]state.DriverState{
@ -101,7 +101,7 @@ func TestCheckpointGetOrCreate(t *testing.T) {
}, },
{ {
description: "two-claim-info-states", description: "two-claim-info-states",
checkpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example-1\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}},{\"ClaimUID\":\"4cf8db2d-06c0-7d70-1a51-e59b25b2c16c\",\"ClaimName\":\"example-2\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-2\",\"RequestNames\":null,\"CDIDeviceIDs\":null}]}}}]}","Checksum":2930258364}`, checkpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example-1\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}},{\"ClaimUID\":\"4cf8db2d-06c0-7d70-1a51-e59b25b2c16c\",\"ClaimName\":\"example-2\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-2\",\"RequestNames\":null,\"CDIDeviceIDs\":null}]}}}]}","Checksum":3633532417}`,
expectedClaimInfoStateList: state.ClaimInfoStateList{ expectedClaimInfoStateList: state.ClaimInfoStateList{
{ {
DriverState: map[string]state.DriverState{ DriverState: map[string]state.DriverState{
@ -222,7 +222,7 @@ func TestCheckpointStateStore(t *testing.T) {
PodUIDs: sets.New("139cdb46-f989-4f17-9561-ca10cfb509a6"), PodUIDs: sets.New("139cdb46-f989-4f17-9561-ca10cfb509a6"),
}, },
}, },
expectedCheckpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}}]}","Checksum":2327868095}`, expectedCheckpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}}]}","Checksum":1597924435}`,
}, },
{ {
description: "single-claim-info-state-with-multiple-devices", description: "single-claim-info-state-with-multiple-devices",
@ -252,7 +252,7 @@ func TestCheckpointStateStore(t *testing.T) {
PodUIDs: sets.New("139cdb46-f989-4f17-9561-ca10cfb509a6"), PodUIDs: sets.New("139cdb46-f989-4f17-9561-ca10cfb509a6"),
}, },
}, },
expectedCheckpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]},{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-2\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}}]}","Checksum":1228427175}`, expectedCheckpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]},{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-2\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}}]}","Checksum":1812303514}`,
}, },
{ {
description: "two-claim-info-states", description: "two-claim-info-states",
@ -292,7 +292,7 @@ func TestCheckpointStateStore(t *testing.T) {
PodUIDs: sets.New("139cdb46-f989-4f17-9561-ca10cfb509a6"), PodUIDs: sets.New("139cdb46-f989-4f17-9561-ca10cfb509a6"),
}, },
}, },
expectedCheckpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example-1\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}},{\"ClaimUID\":\"4cf8db2d-06c0-7d70-1a51-e59b25b2c16c\",\"ClaimName\":\"example-2\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-2\",\"RequestNames\":null,\"CDIDeviceIDs\":null}]}}}]}","Checksum":2930258364}`, expectedCheckpointContent: `{"Data":"{\"kind\":\"DRACheckpoint\",\"apiVersion\":\"checkpoint.dra.kubelet.k8s.io/v1\",\"Entries\":[{\"ClaimUID\":\"067798be-454e-4be4-9047-1aa06aea63f7\",\"ClaimName\":\"example-1\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-1\",\"RequestNames\":[\"test request\"],\"CDIDeviceIDs\":[\"example.com/example=cdi-example\"]}]}}},{\"ClaimUID\":\"4cf8db2d-06c0-7d70-1a51-e59b25b2c16c\",\"ClaimName\":\"example-2\",\"Namespace\":\"default\",\"PodUIDs\":{\"139cdb46-f989-4f17-9561-ca10cfb509a6\":{}},\"DriverState\":{\"test-driver.cdi.k8s.io\":{\"Devices\":[{\"PoolName\":\"worker-1\",\"DeviceName\":\"dev-2\",\"RequestNames\":null,\"CDIDeviceIDs\":null}]}}}]}","Checksum":3633532417}`,
}, },
} }