prysm-pulse/monitoring/clientstats/scrapers_test.go
Raul Jordan a9a4bb9163
Move Shared/Testutil into Testing (#9659)
* move testutil

* util pkg

* build

* gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-23 18:53:46 +00:00

297 lines
11 KiB
Go

package clientstats
import (
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"testing"
"time"
"github.com/prysmaticlabs/prysm/testing/require"
"github.com/sirupsen/logrus"
logTest "github.com/sirupsen/logrus/hooks/test"
)
func init() {
logrus.SetLevel(logrus.DebugLevel)
}
type mockRT struct {
body string
status string
statusCode int
}
func (rt *mockRT) RoundTrip(_ *http.Request) (*http.Response, error) {
return &http.Response{
Status: http.StatusText(http.StatusOK),
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(rt.body)),
}, nil
}
var _ http.RoundTripper = &mockRT{}
func TestBeaconNodeScraper(t *testing.T) {
bnScraper := beaconNodeScraper{}
bnScraper.tripper = &mockRT{body: prometheusTestBody}
r, err := bnScraper.Scrape()
require.NoError(t, err, "Unexpected error calling beaconNodeScraper.Scrape")
bs := &BeaconNodeStats{}
err = json.NewDecoder(r).Decode(bs)
require.NoError(t, err, "Unexpected error decoding result of beaconNodeScraper.Scrape")
// CommonStats
require.Equal(t, int64(225), bs.CPUProcessSecondsTotal)
require.Equal(t, int64(1166630912), bs.MemoryProcessBytes)
require.Equal(t, int64(1619586241), bs.ClientBuild)
require.Equal(t, "v1.3.8-hotfix+6c0942", bs.ClientVersion)
require.Equal(t, "prysm", bs.ClientName)
// BeaconNodeStats
require.Equal(t, int64(256552), bs.SyncBeaconHeadSlot)
require.Equal(t, true, bs.SyncEth2Synced)
require.Equal(t, int64(7365341184), bs.DiskBeaconchainBytesTotal)
require.Equal(t, int64(37), bs.NetworkPeersConnected)
require.Equal(t, true, bs.SyncEth1Connected)
require.Equal(t, true, bs.SyncEth1FallbackConfigured)
require.Equal(t, true, bs.SyncEth1FallbackConnected)
}
// helper function to wrap up all the scrape logic so tests can focus on data cases and assertions
func scrapeBeaconNodeStats(body string) (*BeaconNodeStats, error) {
if !strings.HasSuffix(body, "\n") {
return nil, fmt.Errorf("bad test fixture -- make sure there is a trailing newline unless you want to waste time debugging tests")
}
bnScraper := beaconNodeScraper{}
bnScraper.tripper = &mockRT{body: body}
r, err := bnScraper.Scrape()
if err != nil {
return nil, err
}
bs := &BeaconNodeStats{}
err = json.NewDecoder(r).Decode(bs)
return bs, err
}
func TestInvertEth1Metrics(t *testing.T) {
cases := []struct {
key string
body string
test func(*BeaconNodeStats) bool
}{
{
key: "SyncEth1Connected",
body: strings.Replace(prometheusTestBody, "powchain_sync_eth1_connected 1", "powchain_sync_eth1_connected 0", 1),
test: func(bs *BeaconNodeStats) bool {
return bs.SyncEth1Connected == false && bs.SyncEth1FallbackConfigured == true && bs.SyncEth1FallbackConnected == true
},
},
{
key: "SyncEth1FallbackConfigured",
body: strings.Replace(prometheusTestBody, "powchain_sync_eth1_fallback_configured 1", "powchain_sync_eth1_fallback_configured 0", 1),
test: func(bs *BeaconNodeStats) bool {
return bs.SyncEth1Connected == true && bs.SyncEth1FallbackConfigured == false && bs.SyncEth1FallbackConnected == true
},
},
{
key: "SyncEth1FallbackConnected",
body: strings.Replace(prometheusTestBody, "powchain_sync_eth1_fallback_connected 1", "powchain_sync_eth1_fallback_connected 0", 1),
test: func(bs *BeaconNodeStats) bool {
return bs.SyncEth1Connected == true && bs.SyncEth1FallbackConfigured == true && bs.SyncEth1FallbackConnected == false
},
},
}
for _, c := range cases {
bs, err := scrapeBeaconNodeStats(c.body)
require.NoError(t, err)
require.Equal(t, true, c.test(bs), "BeaconNodeStats.%s was not false, with prometheus body=%s", c.key, c.body)
}
}
func TestFalseEth2Synced(t *testing.T) {
bnScraper := beaconNodeScraper{}
eth2NotSynced := strings.Replace(prometheusTestBody, "beacon_head_slot 256552", "beacon_head_slot 256559", 1)
bnScraper.tripper = &mockRT{body: eth2NotSynced}
r, err := bnScraper.Scrape()
require.NoError(t, err, "Unexpected error calling beaconNodeScraper.Scrape")
bs := &BeaconNodeStats{}
err = json.NewDecoder(r).Decode(bs)
require.NoError(t, err, "Unexpected error decoding result of beaconNodeScraper.Scrape")
require.Equal(t, false, bs.SyncEth2Synced)
}
func TestValidatorScraper(t *testing.T) {
vScraper := validatorScraper{}
vScraper.tripper = &mockRT{body: statusFixtureOneOfEach + prometheusTestBody}
r, err := vScraper.Scrape()
require.NoError(t, err, "Unexpected error calling validatorScraper.Scrape")
vs := &ValidatorStats{}
err = json.NewDecoder(r).Decode(vs)
require.NoError(t, err, "Unexpected error decoding result of validatorScraper.Scrape")
// CommonStats
require.Equal(t, int64(225), vs.CPUProcessSecondsTotal)
require.Equal(t, int64(1166630912), vs.MemoryProcessBytes)
require.Equal(t, int64(1619586241), vs.ClientBuild)
require.Equal(t, "v1.3.8-hotfix+6c0942", vs.ClientVersion)
require.Equal(t, "prysm", vs.ClientName)
require.Equal(t, int64(7), vs.ValidatorTotal)
require.Equal(t, int64(1), vs.ValidatorActive)
}
func TestValidatorScraperAllActive(t *testing.T) {
vScraper := validatorScraper{}
vScraper.tripper = &mockRT{body: statusFixtureAllActive + prometheusTestBody}
r, err := vScraper.Scrape()
require.NoError(t, err, "Unexpected error calling validatorScraper.Scrape")
vs := &ValidatorStats{}
err = json.NewDecoder(r).Decode(vs)
require.NoError(t, err, "Unexpected error decoding result of validatorScraper.Scrape")
// CommonStats
require.Equal(t, int64(4), vs.ValidatorTotal)
require.Equal(t, int64(4), vs.ValidatorActive)
}
func TestValidatorScraperNoneActive(t *testing.T) {
vScraper := validatorScraper{}
vScraper.tripper = &mockRT{body: statusFixtureNoneActive + prometheusTestBody}
r, err := vScraper.Scrape()
require.NoError(t, err, "Unexpected error calling validatorScraper.Scrape")
vs := &ValidatorStats{}
err = json.NewDecoder(r).Decode(vs)
require.NoError(t, err, "Unexpected error decoding result of validatorScraper.Scrape")
// CommonStats
require.Equal(t, int64(6), vs.ValidatorTotal)
require.Equal(t, int64(0), vs.ValidatorActive)
}
func mockNowFunc(fixedTime time.Time) func() time.Time {
return func() time.Time {
return fixedTime
}
}
func TestValidatorAPIMessageDefaults(t *testing.T) {
now = mockNowFunc(time.Unix(1619811114, 123456789))
// 1+e6 ns per ms, so 123456789 ns rounded down should be 123 ms
nowMillis := int64(1619811114123)
vScraper := validatorScraper{}
vScraper.tripper = &mockRT{body: statusFixtureOneOfEach + prometheusTestBody}
r, err := vScraper.Scrape()
require.NoError(t, err, "unexpected error from validatorScraper.Scrape()")
vs := &ValidatorStats{}
err = json.NewDecoder(r).Decode(vs)
require.NoError(t, err, "Unexpected error decoding result of validatorScraper.Scrape")
// CommonStats
require.Equal(t, nowMillis, vs.Timestamp, "Unexpected 'timestamp' in client-stats APIMessage struct")
require.Equal(t, APIVersion, vs.APIVersion, "Unexpected 'version' in client-stats APIMessage struct")
require.Equal(t, ValidatorProcessName, vs.ProcessName, "Unexpected value for 'process' in client-stats APIMessage struct")
}
func TestBeaconNodeAPIMessageDefaults(t *testing.T) {
now = mockNowFunc(time.Unix(1619811114, 123456789))
// 1+e6 ns per ms, so 123456789 ns rounded down should be 123 ms
nowMillis := int64(1619811114123)
bScraper := beaconNodeScraper{}
bScraper.tripper = &mockRT{body: prometheusTestBody}
r, err := bScraper.Scrape()
require.NoError(t, err, "unexpected error from beaconNodeScraper.Scrape()")
vs := &BeaconNodeStats{}
err = json.NewDecoder(r).Decode(vs)
require.NoError(t, err, "Unexpected error decoding result of beaconNodeScraper.Scrape")
// CommonStats
require.Equal(t, nowMillis, vs.Timestamp, "Unexpected 'timestamp' in client-stats APIMessage struct")
require.Equal(t, APIVersion, vs.APIVersion, "Unexpected 'version' in client-stats APIMessage struct")
require.Equal(t, BeaconNodeProcessName, vs.ProcessName, "Unexpected value for 'process' in client-stats APIMessage struct")
}
func TestBadInput(t *testing.T) {
hook := logTest.NewGlobal()
bnScraper := beaconNodeScraper{}
bnScraper.tripper = &mockRT{body: ""}
_, err := bnScraper.Scrape()
require.NoError(t, err)
require.LogsContain(t, hook, "Failed to get prysm_version")
}
var prometheusTestBody = `
# HELP process_cpu_seconds_total Total user and system CPU time spent in seconds.
# TYPE process_cpu_seconds_total counter
process_cpu_seconds_total 225.09
# HELP process_resident_memory_bytes Resident memory size in bytes.
# TYPE process_resident_memory_bytes gauge
process_resident_memory_bytes 1.166630912e+09
# HELP prysm_version
# TYPE prysm_version gauge
prysm_version{buildDate="1619586241",commit="51eb1540fa838cdbe467bbeb0e36ee667d449377",version="v1.3.8-hotfix+6c0942"} 1
# HELP validator_count The total number of validators
# TYPE validator_count gauge
validator_count{state="Active"} 210301
validator_count{state="Exited"} 10
validator_count{state="Exiting"} 0
validator_count{state="Pending"} 0
validator_count{state="Slashed"} 0
validator_count{state="Slashing"} 0
# HELP beacon_head_slot Slot of the head block of the beacon chain
# TYPE beacon_head_slot gauge
beacon_head_slot 256552
# HELP beacon_clock_time_slot The current slot based on the genesis time and current clock
# TYPE beacon_clock_time_slot gauge
beacon_clock_time_slot 256552
# HELP bcnode_disk_beaconchain_bytes_total Total hard disk space used by the beaconchain database, in bytes. May include mmap.
# TYPE bcnode_disk_beaconchain_bytes_total gauge
bcnode_disk_beaconchain_bytes_total 7.365341184e+09
# HELP p2p_peer_count The number of peers in a given state.
# TYPE p2p_peer_count gauge
p2p_peer_count{state="Bad"} 1
p2p_peer_count{state="Connected"} 37
p2p_peer_count{state="Connecting"} 0
p2p_peer_count{state="Disconnected"} 62
p2p_peer_count{state="Disconnecting"} 0
# HELP powchain_sync_eth1_connected Boolean indicating whether a fallback eth1 endpoint is currently connected: 0=false, 1=true.
# TYPE powchain_sync_eth1_connected gauge
powchain_sync_eth1_connected 1
# HELP powchain_sync_eth1_fallback_configured Boolean recording whether a fallback eth1 endpoint was configured: 0=false, 1=true.
# TYPE powchain_sync_eth1_fallback_configured gauge
powchain_sync_eth1_fallback_configured 1
# HELP powchain_sync_eth1_fallback_connected Boolean indicating whether a fallback eth1 endpoint is currently connected: 0=false, 1=true.
# TYPE powchain_sync_eth1_fallback_connected gauge
powchain_sync_eth1_fallback_connected 1
`
var statusFixtureOneOfEach = `# HELP validator_statuses validator statuses: 0 UNKNOWN, 1 DEPOSITED, 2 PENDING, 3 ACTIVE, 4 EXITING, 5 SLASHING, 6 EXITED
# TYPE validator_statuses gauge
validator_statuses{pubkey="pk0"} 0
validator_statuses{pubkey="pk1"} 1
validator_statuses{pubkey="pk2"} 2
validator_statuses{pubkey="pk3"} 3
validator_statuses{pubkey="pk4"} 4
validator_statuses{pubkey="pk5"} 5
validator_statuses{pubkey="pk6"} 6
`
var statusFixtureAllActive = `# HELP validator_statuses validator statuses: 0 UNKNOWN, 1 DEPOSITED, 2 PENDING, 3 ACTIVE, 4 EXITING, 5 SLASHING, 6 EXITED
# TYPE validator_statuses gauge
validator_statuses{pubkey="pk0"} 3
validator_statuses{pubkey="pk1"} 3
validator_statuses{pubkey="pk2"} 3
validator_statuses{pubkey="pk3"} 3
`
var statusFixtureNoneActive = `# HELP validator_statuses validator statuses: 0 UNKNOWN, 1 DEPOSITED, 2 PENDING, 3 ACTIVE, 4 EXITING, 5 SLASHING, 6 EXITED
# TYPE validator_statuses gauge
validator_statuses{pubkey="pk0"} 0
validator_statuses{pubkey="pk1"} 1
validator_statuses{pubkey="pk2"} 2
validator_statuses{pubkey="pk3"} 4
validator_statuses{pubkey="pk4"} 5
validator_statuses{pubkey="pk5"} 6
`