deb.open-vault/vault/core_metrics_test.go

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2024-04-20 12:23:50 +00:00
// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package vault
import (
"errors"
"sort"
"strings"
"testing"
"time"
"github.com/armon/go-metrics"
logicalKv "github.com/hashicorp/vault-plugin-secrets-kv"
"github.com/hashicorp/vault/helper/namespace"
"github.com/hashicorp/vault/sdk/logical"
)
func TestCoreMetrics_KvSecretGauge(t *testing.T) {
// Use the real KV implementation instead of Passthrough
AddTestLogicalBackend("kv", logicalKv.Factory)
// Clean up for the next test-- is there a better way?
defer func() {
delete(testLogicalBackends, "kv")
}()
core, _, root := TestCoreUnsealed(t)
testMounts := []struct {
Path string
Type string
Version string
ExpectedCount int
}{
{"secret/", "kv", "2", 0},
{"secret1/", "kv", "1", 3},
{"secret2/", "kv", "1", 0},
{"secret3/", "kv", "2", 4},
{"prefix/secret3/", "kv", "2", 0},
{"prefix/secret4/", "kv", "2", 5},
{"generic/", "generic", "1", 3},
}
ctx := namespace.RootContext(nil)
// skip 0, secret/ is already mounted
for _, tm := range testMounts[1:] {
me := &MountEntry{
Table: mountTableType,
Path: sanitizePath(tm.Path),
Type: tm.Type,
Options: map[string]string{"version": tm.Version},
}
err := core.mount(ctx, me)
if err != nil {
t.Fatalf("err: %v", err)
}
}
v1secrets := []string{
"secret1/a", // 3
"secret1/b",
"secret1/c/d",
"generic/a",
"generic/b",
"generic/c",
}
v2secrets := []string{
"secret3/data/a", // 4
"secret3/data/b",
"secret3/data/c/d",
"secret3/data/c/e",
"prefix/secret4/data/a/secret", // 5
"prefix/secret4/data/a/secret2",
"prefix/secret4/data/a/b/c/secret",
"prefix/secret4/data/a/b/c/secret2",
"prefix/secret4/data/a/b/c/d/secret3",
}
for _, p := range v1secrets {
req := logical.TestRequest(t, logical.CreateOperation, p)
req.Data["foo"] = "bar"
req.ClientToken = root
resp, err := core.HandleRequest(ctx, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if resp != nil {
t.Fatalf("bad: %#v", resp)
}
}
for _, p := range v2secrets {
for i := 0; i < 50; i++ {
req := logical.TestRequest(t, logical.CreateOperation, p)
req.Data["data"] = map[string]interface{}{"foo": "bar"}
req.ClientToken = root
resp, err := core.HandleRequest(ctx, req)
if err != nil {
if errors.Is(err, logical.ErrInvalidRequest) {
// Handle scenario where KVv2 upgrade is ongoing
time.Sleep(100 * time.Millisecond)
continue
}
t.Fatalf("err: %v", err)
}
if resp.Error() != nil {
t.Fatalf("bad: %#v", resp)
}
break
}
}
values, err := core.kvSecretGaugeCollector(ctx)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(values) != len(testMounts) {
t.Errorf("Got %v values but expected %v mounts", len(values), len(testMounts))
}
for _, glv := range values {
mountPoint := ""
for _, l := range glv.Labels {
if l.Name == "mount_point" {
mountPoint = l.Value
} else if l.Name == "namespace" {
if l.Value != "root" {
t.Errorf("Namespace is %v, not root", l.Value)
}
} else {
t.Errorf("Unexpected label %v", l.Name)
}
}
if mountPoint == "" {
t.Errorf("No mount point in labels %v", glv.Labels)
continue
}
found := false
for _, tm := range testMounts {
if tm.Path == mountPoint {
found = true
if glv.Value != float32(tm.ExpectedCount) {
t.Errorf("Mount %v reported %v, not %v",
tm.Path, glv.Value, tm.ExpectedCount)
}
break
}
}
if !found {
t.Errorf("Unexpected mount point %v", mountPoint)
}
}
}
func TestCoreMetrics_KvSecretGauge_BadPath(t *testing.T) {
// Use the real KV implementation instead of Passthrough
AddTestLogicalBackend("kv", logicalKv.Factory)
// Clean up for the next test.
defer func() {
delete(testLogicalBackends, "kv")
}()
core, _, _ := TestCoreUnsealed(t)
me := &MountEntry{
Table: mountTableType,
Path: sanitizePath("kv1"),
Type: "kv",
Options: map[string]string{"version": "1"},
}
ctx := namespace.RootContext(nil)
err := core.mount(ctx, me)
if err != nil {
t.Fatalf("mount error: %v", err)
}
// I don't think there's any remaining way to create a zero-length
// key via the API, so we'll fake it by talking to the storage layer directly.
fake_entry := &logical.StorageEntry{
Key: "logical/" + me.UUID + "/foo/",
Value: []byte{1},
}
err = core.barrier.Put(ctx, fake_entry)
if err != nil {
t.Fatalf("put error: %v", err)
}
values, err := core.kvSecretGaugeCollector(ctx)
if err != nil {
t.Fatalf("collector error: %v", err)
}
t.Logf("Values: %v", values)
found := false
var count float32 = -1
for _, glv := range values {
for _, l := range glv.Labels {
if l.Name == "mount_point" && l.Value == "kv1/" {
found = true
count = glv.Value
break
}
}
}
if found {
if count != 1.0 {
t.Errorf("bad secret count for kv1/")
}
} else {
t.Errorf("no secret count for kv1/")
}
}
func TestCoreMetrics_KvSecretGaugeError(t *testing.T) {
core, _, _, sink := TestCoreUnsealedWithMetrics(t)
ctx := namespace.RootContext(nil)
badKvMount := &kvMount{
Namespace: namespace.RootNamespace,
MountPoint: "bad/path",
Version: "1",
NumSecrets: 0,
}
core.walkKvMountSecrets(ctx, badKvMount)
intervals := sink.Data()
// Test crossed an interval boundary, don't try to deal with it.
if len(intervals) > 1 {
t.Skip("Detected interval crossing.")
}
// Should be an error
keyPrefix := "metrics.collection.error"
var counter *metrics.SampledValue = nil
for _, c := range intervals[0].Counters {
if strings.HasPrefix(c.Name, keyPrefix) {
counter = &c
break
}
}
if counter == nil {
t.Fatal("No metrics.collection.error counter found.")
}
if counter.Count != 1 {
t.Errorf("Counter number of samples %v is not 1.", counter.Count)
}
}
func metricLabelsMatch(t *testing.T, actual []metrics.Label, expected map[string]string) {
t.Helper()
if len(actual) != len(expected) {
t.Errorf("Expected %v labels, got %v: %v", len(expected), len(actual), actual)
}
for _, l := range actual {
if v, ok := expected[l.Name]; ok {
if v != l.Value {
t.Errorf("Mismatched value %v=%v, expected %v", l.Name, l.Value, v)
}
} else {
t.Errorf("Unexpected label %v", l.Name)
}
}
}
func TestCoreMetrics_EntityGauges(t *testing.T) {
ctx := namespace.RootContext(nil)
is, ghAccessor, upAccessor, core := testIdentityStoreWithGithubUserpassAuth(ctx, t)
// Create an entity
alias1 := &logical.Alias{
MountType: "github",
MountAccessor: ghAccessor,
Name: "githubuser",
}
entity, _, err := is.CreateOrFetchEntity(ctx, alias1)
if err != nil {
t.Fatal(err)
}
// Create a second alias for the same entity
registerReq := &logical.Request{
Operation: logical.UpdateOperation,
Path: "entity-alias",
Data: map[string]interface{}{
"name": "userpassuser",
"canonical_id": entity.ID,
"mount_accessor": upAccessor,
},
}
resp, err := is.HandleRequest(ctx, registerReq)
if err != nil || (resp != nil && resp.IsError()) {
t.Fatalf("err:%v resp:%#v", err, resp)
}
glv, err := core.entityGaugeCollector(ctx)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(glv) != 1 {
t.Fatalf("Wrong number of gauges %v, expected %v", len(glv), 1)
}
if glv[0].Value != 1.0 {
t.Errorf("Entity count %v, expected %v", glv[0].Value, 1.0)
}
metricLabelsMatch(t, glv[0].Labels,
map[string]string{
"namespace": "root",
})
glv, err = core.entityGaugeCollectorByMount(ctx)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(glv) != 2 {
t.Fatalf("Wrong number of gauges %v, expected %v", len(glv), 1)
}
if glv[0].Value != 1.0 {
t.Errorf("Alias count %v, expected %v", glv[0].Value, 1.0)
}
if glv[1].Value != 1.0 {
t.Errorf("Alias count %v, expected %v", glv[0].Value, 1.0)
}
// Sort both metrics.Label slices by Name, causing the Label
// with Name auth_method to be first in both arrays
sort.Slice(glv[0].Labels, func(i, j int) bool { return glv[0].Labels[i].Name < glv[0].Labels[j].Name })
sort.Slice(glv[1].Labels, func(i, j int) bool { return glv[1].Labels[i].Name < glv[1].Labels[j].Name })
// Sort the GaugeLabelValues slice by the Value of the first metric,
// in this case auth_method, in each metrics.Label slice
sort.Slice(glv, func(i, j int) bool { return glv[i].Labels[0].Value < glv[j].Labels[0].Value })
metricLabelsMatch(t, glv[0].Labels,
map[string]string{
"namespace": "root",
"auth_method": "github",
"mount_point": "auth/github/",
})
metricLabelsMatch(t, glv[1].Labels,
map[string]string{
"namespace": "root",
"auth_method": "userpass",
"mount_point": "auth/userpass/",
})
}