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util: use vaultNamespace if vaultAuthNamespace is not set

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When a tenant configures `vaultNamespace` in their own ConfigMap, it is
not applied to the Vault configuration, unless `vaultAuthNamespace` is
set as well. This is unexpected, as the `vaultAuthNamespace` usually is
something configured globally, and not per tenant.

The `vaultAuthNamespace` is an advanced option, that is often not needed
to be configured. Only when tenants have to configure their own
`vaultNamespace`, it is possible that they need to use a different
`vaultAuthNamespace`. The default for the `vaultAuthNamespace` is now
the `vaultNamespace` value from the global configuration. Tenants can
still set it to something else in their own ConfigMap if needed.

Note that Hashicorp Vault Namespaces are only functional in the
Enterprise version of the product. Therefor this can not be tested in
the Ceph-CSI e2e with the Open Source version of Vault.

Fixes: https://bugzilla.redhat.com/2050056
Reported-by: Rachael George <rgeorge@redhat.com>
Signed-off-by: Niels de Vos <ndevos@redhat.com>
(cherry picked from commit f6894909d7)
This commit is contained in:
Niels de Vos 2022-02-04 14:36:19 +01:00 committed by mergify[bot]
parent 043a71aad1
commit a05f63d842
2 changed files with 14 additions and 1 deletions
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6
internal/kms/vault.go
View File

@ -192,6 +192,11 @@ func (vc *vaultConnection) initConnection(config map[string]interface{}) error {
if errors.Is(err, errConfigOptionInvalid) {
return err
}
// set the option if the value was not invalid
if firstInit || !errors.Is(err, errConfigOptionMissing) {
keyContext[loss.KeyVaultNamespace] = vaultNamespace
}
vaultAuthNamespace := ""
err = setConfigString(&vaultAuthNamespace, config, "vaultAuthNamespace")
if errors.Is(err, errConfigOptionInvalid) {
@ -205,7 +210,6 @@ func (vc *vaultConnection) initConnection(config map[string]interface{}) error {
// set the option if the value was not invalid
if firstInit || !errors.Is(err, errConfigOptionMissing) {
vaultConfig[api.EnvVaultNamespace] = vaultAuthNamespace
keyContext[loss.KeyVaultNamespace] = vaultNamespace
}
verifyCA := strconv.FormatBool(vaultDefaultCAVerify) // optional

9
internal/kms/vault_tokens_test.go
View File

@ -23,6 +23,8 @@ import (
"strings"
"testing"
"github.com/hashicorp/vault/api"
loss "github.com/libopenstorage/secrets"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
@ -41,6 +43,8 @@ func TestParseConfig(t *testing.T) {
// fill default options (normally done in initVaultTokensKMS)
config["vaultAddress"] = "https://vault.default.cluster.svc"
config["vaultNamespace"] = "default"
config["vaultAuthNamespace"] = "company-sso"
config["tenantConfigName"] = vaultTokensDefaultConfigName
// parsing with all required options
@ -55,12 +59,17 @@ func TestParseConfig(t *testing.T) {
// tenant "bob" uses a different kms.ConfigName
bob := make(map[string]interface{})
bob["tenantConfigName"] = "the-config-from-bob"
bob["vaultNamespace"] = "bobs-place"
err = vtc.parseConfig(bob)
switch {
case err != nil:
t.Errorf("unexpected error: %s", err)
case vtc.ConfigName != "the-config-from-bob":
t.Errorf("ConfigName contains unexpected value: %s", vtc.ConfigName)
case vtc.vaultConfig[api.EnvVaultNamespace] != "company-sso":
t.Errorf("EnvVaultNamespace contains unexpected value: %s", vtc.vaultConfig[api.EnvVaultNamespace])
case vtc.keyContext[loss.KeyVaultNamespace] != "bobs-place":
t.Errorf("KeyVaultNamespace contains unexpected value: %s", vtc.keyContext[loss.KeyVaultNamespace])
}
}