consul/test/integration/consul-container/libs/assert/envoy.go

120 lines
4.6 KiB
Go

package assert
import (
"fmt"
"strings"
"testing"
"time"
"github.com/hashicorp/consul/sdk/testutil/retry"
libservice "github.com/hashicorp/consul/test/integration/consul-container/libs/service"
"github.com/hashicorp/consul/test/integration/consul-container/libs/utils"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// GetEnvoyListenerTCPFilters validates that proxy was configured with tcp protocol and one rbac listener filter
func GetEnvoyListenerTCPFilters(t *testing.T, adminPort int) {
var (
dump string
err error
)
failer := func() *retry.Timer {
return &retry.Timer{Timeout: 30 * time.Second, Wait: 1 * time.Second}
}
retry.RunWith(failer(), t, func(r *retry.R) {
dump, err = libservice.GetEnvoyConfigDump(adminPort, "")
if err != nil {
r.Fatal("could not fetch envoy configuration")
}
})
// The services configured for the tests have proxy tcp protocol configured, therefore the HTTP request is on tcp protocol
// the steps below validate that the json result from envoy config dump returns active listener with rbac and tcp_proxy configured
filter := `.configs[2].dynamic_listeners[].active_state.listener | "\(.name) \( .filter_chains[0].filters | map(.name) | join(","))"`
results, err := utils.JQFilter(dump, filter)
require.NoError(t, err, "could not parse envoy configuration")
if len(results) != 2 {
require.Error(t, fmt.Errorf("s1 proxy should have been configured with one rbac listener filter. Got %d listener(s)", len(results)))
}
var filteredResult []string
for _, result := range results {
santizedResult := sanitizeResult(result)
filteredResult = append(filteredResult, santizedResult...)
}
require.Contains(t, filteredResult, "envoy.filters.network.rbac")
require.Contains(t, filteredResult, "envoy.filters.network.tcp_proxy")
}
// AssertUpstreamEndpointStatus validates that proxy was configured with provided clusterName in the healthStatus
func AssertUpstreamEndpointStatus(t *testing.T, adminPort int, clusterName, healthStatus string, count int) {
var (
clusters string
err error
)
failer := func() *retry.Timer {
return &retry.Timer{Timeout: 30 * time.Second, Wait: 500 * time.Millisecond}
}
retry.RunWith(failer(), t, func(r *retry.R) {
clusters, err = libservice.GetEnvoyClusters(adminPort)
if err != nil {
r.Fatal("could not fetch envoy configuration")
}
filter := fmt.Sprintf(`.cluster_statuses[] | select(.name|contains("%s")) | [.host_statuses[].health_status.eds_health_status] | [select(.[] == "%s")] | length`, clusterName, healthStatus)
results, err := utils.JQFilter(clusters, filter)
require.NoError(r, err, "could not parse envoy configuration")
require.Equal(r, count, len(results))
})
}
// GetEnvoyHTTPrbacFilters validates that proxy was configured with an http connection manager
// this assertion is currently unused current tests use http protocol
func GetEnvoyHTTPrbacFilters(t *testing.T, port int) {
var (
dump string
err error
)
failer := func() *retry.Timer {
return &retry.Timer{Timeout: 30 * time.Second, Wait: 1 * time.Second}
}
retry.RunWith(failer(), t, func(r *retry.R) {
dump, err = libservice.GetEnvoyConfigDump(port, "")
if err != nil {
r.Fatal("could not fetch envoy configuration")
}
})
// the steps below validate that the json result from envoy config dump configured active listeners with rbac and http filters
filter := `.configs[2].dynamic_listeners[].active_state.listener | "\(.name) \( .filter_chains[0].filters[] | select(.name == "envoy.filters.network.http_connection_manager") | .typed_config.http_filters | map(.name) | join(","))"`
results, err := utils.JQFilter(dump, filter)
require.NoError(t, err, "could not parse envoy configuration")
if len(results) != 2 {
require.Error(t, fmt.Errorf("s1 proxy should have been configured with one rbac listener filter. Got %d listener(s)", len(results)))
}
var filteredResult []string
for _, result := range results {
sanitizedResult := sanitizeResult(result)
filteredResult = append(filteredResult, sanitizedResult...)
}
require.Contains(t, filteredResult, "envoy.filters.http.rbac")
assert.Contains(t, filteredResult, "envoy.filters.http.header_to_metadata")
assert.Contains(t, filteredResult, "envoy.filters.http.router")
}
// sanitizeResult takes the value returned from config_dump json and cleans it up to remove special characters
// e.g public_listener:0.0.0.0:21001 envoy.filters.network.rbac,envoy.filters.network.tcp_proxy
// returns [envoy.filters.network.rbac envoy.filters.network.tcp_proxy]
func sanitizeResult(s string) []string {
result := strings.Split(strings.ReplaceAll(s, `,`, " "), " ")
return append(result[:0], result[1:]...)
}