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joinservice: cache certificates for Azure SEV-SNP attestation (#2336)

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* add ASK caching in joinservice

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* use cached ASK in Azure SEV-SNP attestation

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* update test charts

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix linter

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix typ

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* make caching mechanism less provider-specific

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* update buildfiles

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* add `omitempty` flag

Co-authored-by: Daniel Weiße <66256922+daniel-weisse@users.noreply.github.com>

* frontload certificate getter

Co-authored-by: Daniel Weiße <66256922+daniel-weisse@users.noreply.github.com>

* rename frontloaded function

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* pass cached certificates to constructor

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix race condition

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix marshalling of empty certs

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix validator usage

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* [wip] add certcache tests

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* add certcache tests

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* tidy

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix validator test

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* remove unused fields in validator

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix certificate precedence

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* use separate context

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* tidy

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* linter fixes

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* linter fixes

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* Remove unnecessary comment

Co-authored-by: Thomas Tendyck <51411342+thomasten@users.noreply.github.com>

* use background context

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* Use error format directive

Co-authored-by: Thomas Tendyck <51411342+thomasten@users.noreply.github.com>

* `azure` -> `Azure`

Co-authored-by: Thomas Tendyck <51411342+thomasten@users.noreply.github.com>

* improve error messages

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* add x509 -> PEM util function

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* use crypto util functions

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix certificate replacement logic

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* only require ASK from certcache

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* tidy

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* fix comment typo

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

---------

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>
Co-authored-by: Daniel Weiße <66256922+daniel-weisse@users.noreply.github.com>
Co-authored-by: Thomas Tendyck <51411342+thomasten@users.noreply.github.com>
This commit is contained in:
Moritz Sanft 2023-09-29 14:29:50 +02:00 • committed by GitHub
parent 68d8b29335
commit a5021c52d3
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GPG key ID: 4AEE18F83AFDEB23
39 changed files with 1197 additions and 50 deletions
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56
internal/crypto/crypto_test.go
View file

@ -7,6 +7,7 @@ SPDX-License-Identifier: AGPL-3.0-only
package crypto
import (
"crypto/x509"
"testing"
"github.com/edgelesssys/constellation/v2/internal/crypto/testvector"
@ -119,3 +120,58 @@ func TestGenerateRandomBytes(t *testing.T) {
require.NoError(err)
assert.Len(n3, 16)
}
func TestPemToX509Cert(t *testing.T) {
testCases := map[string]struct {
pemCert []byte
wantErr bool
}{
// TODO(msanft): Add more test cases with testdata
"invalid cert": {
pemCert: []byte("invalid"),
wantErr: true,
},
"empty cert": {
pemCert: []byte{},
wantErr: true,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
_, err := PemToX509Cert(tc.pemCert)
if tc.wantErr {
assert.Error(err)
} else {
assert.NoError(err)
}
})
}
}
func TestX509ToPemCert(t *testing.T) {
testCases := map[string]struct {
cert *x509.Certificate
wantErr bool
}{
"success": {
cert: &x509.Certificate{},
},
// TODO(msanft): Add more test cases with testdata
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
_, err := X509CertToPem(tc.cert)
if tc.wantErr {
assert.Error(err)
} else {
assert.NoError(err)
}
})
}
}