Merge pull request #1166 from codysoyland/cluster-resize-refactor-diagnostics

Refactor Diagnostics: Move to main package, remove gobreaker, add SystemInfo abstraction for gopsutil dependency injection
This commit is contained in:
Cody Soyland 2018-03-15 15:52:03 -05:00 committed by GitHub
commit 70ec216acf
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
10 changed files with 527 additions and 352 deletions

6
Gopkg.lock generated
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@ -205,12 +205,6 @@
packages = ["."]
revision = "bb4de0191aa41b5507caa14b0650cdbddcd9280b"
[[projects]]
name = "github.com/sony/gobreaker"
packages = ["."]
revision = "e9556a45379ef1da12e54847edb2fb3d7d566f36"
version = "0.3.0"
[[projects]]
branch = "master"
name = "github.com/spf13/afero"

View file

@ -63,17 +63,17 @@ var NopBroadcaster Broadcaster
type nopBroadcaster struct{}
// SendSync A no-op implemenetation of Broadcaster SendSync method.
// SendSync A no-op implementation of Broadcaster SendSync method.
func (n *nopBroadcaster) SendSync(pb proto.Message) error {
return nil
}
// SendAsync A no-op implemenetation of Broadcaster SendAsync method.
// SendAsync A no-op implementation of Broadcaster SendAsync method.
func (n *nopBroadcaster) SendAsync(pb proto.Message) error {
return nil
}
// SendTo is a no-op implemenetation of Broadcaster SendTo method.
// SendTo is a no-op implementation of Broadcaster SendTo method.
func (c *nopBroadcaster) SendTo(to *Node, pb proto.Message) error {
return nil
}
@ -112,7 +112,7 @@ var NopGossiper Gossiper
type nopGossiper struct{}
// SendAsync A no-op implemenetation of Gossiper SendAsync method.
// SendAsync A no-op implementation of Gossiper SendAsync method.
func (n *nopGossiper) SendAsync(pb proto.Message) error {
return nil
}

324
diagnostics.go Normal file
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@ -0,0 +1,324 @@
// Copyright 2017 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pilosa
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"strconv"
"strings"
"sync"
"time"
)
// Default version check URL.
const (
defaultVersionCheckURL = "https://diagnostics.pilosa.com/v0/version"
)
type versionResponse struct {
Version string `json:"version"`
Message string `json:"message"`
}
// DiagnosticsCollector represents a collector/sender of diagnostics data.
type DiagnosticsCollector struct {
mu sync.Mutex
host string
VersionURL string
version string
lastVersion string
startTime int64
start time.Time
metrics map[string]interface{}
client *http.Client
logOutput io.Writer
server *Server
}
// NewDiagnosticsCollector returns a new DiagnosticsCollector given an addr in the format "hostname:port".
func NewDiagnosticsCollector(host string) *DiagnosticsCollector {
return &DiagnosticsCollector{
host: host,
VersionURL: defaultVersionCheckURL,
startTime: time.Now().Unix(),
start: time.Now(),
client: &http.Client{Timeout: 10 * time.Second},
metrics: make(map[string]interface{}),
logOutput: ioutil.Discard,
}
}
// SetVersion of locally running Pilosa Cluster to check against master.
func (d *DiagnosticsCollector) SetVersion(v string) {
d.version = v
d.Set("Version", v)
}
// Flush sends the current metrics.
func (d *DiagnosticsCollector) Flush() error {
d.mu.Lock()
defer d.mu.Unlock()
d.metrics["Uptime"] = (time.Now().Unix() - d.startTime)
buf, err := d.encode()
if err != nil {
return err
}
req, err := http.NewRequest("POST", d.host, bytes.NewReader(buf))
req.Header.Set("Content-Type", "application/json")
resp, err := d.client.Do(req)
if err != nil {
return err
}
// Intentionally ignoring response body, as user does not need to be notified of error.
defer resp.Body.Close()
return nil
}
// CheckVersion of the local build against Pilosa master.
func (d *DiagnosticsCollector) CheckVersion() error {
var rsp versionResponse
req, err := http.NewRequest("GET", d.VersionURL, nil)
resp, err := d.client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("http: status=%d", resp.StatusCode)
} else if err := json.NewDecoder(resp.Body).Decode(&rsp); err != nil {
return fmt.Errorf("json decode: %s", err)
}
// If version has not changed since the last check, return
if rsp.Version == d.lastVersion {
return nil
}
d.lastVersion = rsp.Version
if err := d.compareVersion(rsp.Version); err != nil {
d.logger().Printf("%s\n", err.Error())
}
return nil
}
// compareVersion check version strings.
func (d *DiagnosticsCollector) compareVersion(value string) error {
currentVersion := versionSegments(value)
localVersion := versionSegments(d.version)
if localVersion[0] < currentVersion[0] { //Major
return fmt.Errorf("Warning: You are running Pilosa %s. A newer version (%s) is available: https://github.com/pilosa/pilosa/releases", d.version, value)
} else if localVersion[1] < currentVersion[1] && localVersion[0] == currentVersion[0] { // Minor
return fmt.Errorf("Warning: You are running Pilosa %s. The latest Minor release is %s: https://github.com/pilosa/pilosa/releases", d.version, value)
} else if localVersion[2] < currentVersion[2] && localVersion[0] == currentVersion[0] && localVersion[1] == currentVersion[1] { // Patch
return fmt.Errorf("There is a new patch release of Pilosa available: %s: https://github.com/pilosa/pilosa/releases", value)
}
return nil
}
// Encode metrics maps into the json message format.
func (d *DiagnosticsCollector) encode() ([]byte, error) {
return json.Marshal(d.metrics)
}
// Set adds a key value metric.
func (d *DiagnosticsCollector) Set(name string, value interface{}) {
switch v := value.(type) {
case string:
if v == "" {
// Do not set empty string
return
}
}
d.mu.Lock()
defer d.mu.Unlock()
d.metrics[name] = value
}
// SetLogger Set the logger output type.
func (d *DiagnosticsCollector) SetLogger(logger io.Writer) {
d.logOutput = logger
}
// logger returns a logger that writes to LogOutput.
func (d *DiagnosticsCollector) logger() *log.Logger {
return log.New(d.logOutput, "", log.LstdFlags)
}
// logErr logs the error and returns true if an error exists
func (d *DiagnosticsCollector) logErr(err error) bool {
if err != nil {
d.logOutput.Write([]byte(err.Error()))
return true
}
return false
}
// EnrichWithOSInfo adds OS information to the diagnostics payload.
func (d *DiagnosticsCollector) EnrichWithOSInfo() {
uptime, err := d.server.SystemInfo.Uptime()
if !d.logErr(err) {
d.Set("HostUptime", uptime)
}
platform, err := d.server.SystemInfo.Platform()
if !d.logErr(err) {
d.Set("OSPlatform", platform)
}
family, err := d.server.SystemInfo.Family()
if !d.logErr(err) {
d.Set("OSFamily", family)
}
version, err := d.server.SystemInfo.OSVersion()
if !d.logErr(err) {
d.Set("OSVersion", version)
}
kernelVersion, err := d.server.SystemInfo.KernelVersion()
if !d.logErr(err) {
d.Set("OSKernelVersion", kernelVersion)
}
}
// EnrichWithMemoryInfo adds memory information to the diagnostics payload.
func (d *DiagnosticsCollector) EnrichWithMemoryInfo() {
memFree, err := d.server.SystemInfo.MemFree()
if !d.logErr(err) {
d.Set("MemFree", memFree)
}
memTotal, err := d.server.SystemInfo.MemTotal()
if !d.logErr(err) {
d.Set("MemTotal", memTotal)
}
memUsed, err := d.server.SystemInfo.MemUsed()
if !d.logErr(err) {
d.Set("MemUsed", memUsed)
}
}
// EnrichWithSchemaProperties adds schema info to the diagnostics payload.
func (d *DiagnosticsCollector) EnrichWithSchemaProperties() {
var numSlices uint64
numFrames := 0
numIndexes := 0
bsiFieldCount := 0
timeQuantumEnabled := false
for _, index := range d.server.Holder.Indexes() {
numSlices += index.MaxSlice() + 1
numIndexes += 1
for _, frame := range index.Frames() {
numFrames += 1
if frame.rangeEnabled {
if fields, err := frame.GetFields(); err == nil {
bsiFieldCount += len(fields)
}
}
if frame.TimeQuantum() != "" {
timeQuantumEnabled = true
}
}
}
d.Set("NumIndexes", numIndexes)
d.Set("NumFrames", numFrames)
d.Set("NumSlices", numSlices)
d.Set("BSIFieldCount", bsiFieldCount)
d.Set("TimeQuantumEnabled", timeQuantumEnabled)
}
// versionSegments returns the numeric segments of the version as a slice of ints.
func versionSegments(segments string) []int {
segments = strings.Trim(segments, "v")
segments = strings.Split(segments, "-")[0]
s := strings.Split(segments, ".")
segmentSlice := make([]int, len(s))
for i, v := range s {
segmentSlice[i], _ = strconv.Atoi(v)
}
return segmentSlice
}
// SystemInfo collects information about the host OS.
type SystemInfo interface {
Uptime() (uint64, error)
Platform() (string, error)
Family() (string, error)
OSVersion() (string, error)
KernelVersion() (string, error)
MemFree() (uint64, error)
MemTotal() (uint64, error)
MemUsed() (uint64, error)
}
// NewNopSystemInfo creates a no-op implementation of SystemInfo.
func NewNopSystemInfo() *NopSystemInfo {
return &NopSystemInfo{}
}
// NopSystemInfo is a no-op implementation of SystemInfo.
type NopSystemInfo struct {
}
// Uptime is a no-op implementation of SystemInfo.Uptime.
func (n *NopSystemInfo) Uptime() (uint64, error) {
return 0, nil
}
// Platform is a no-op implementation of SystemInfo.Platform.
func (n *NopSystemInfo) Platform() (string, error) {
return "", nil
}
// Family is a no-op implementation of SystemInfo.Family.
func (n *NopSystemInfo) Family() (string, error) {
return "", nil
}
// OSVersion is a no-op implementation of SystemInfo.OSVersion.
func (n *NopSystemInfo) OSVersion() (string, error) {
return "", nil
}
// KernelVersion is a no-op implementation of SystemInfo.KernelVersion.
func (n *NopSystemInfo) KernelVersion() (string, error) {
return "", nil
}
// MemFree is a no-op implementation of SystemInfo.MemFree.
func (n *NopSystemInfo) MemFree() (uint64, error) {
return 0, nil
}
// MemTotal is a no-op implementation of SystemInfo.MemTotal.
func (n *NopSystemInfo) MemTotal() (uint64, error) {
return 0, nil
}
// MemUsed is a no-op implementation of SystemInfo.MemUsed.
func (n *NopSystemInfo) MemUsed() (uint64, error) {
return 0, nil
}

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@ -1,267 +0,0 @@
// Copyright 2017 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package diagnostics
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"strconv"
"strings"
"sync"
"time"
"github.com/shirou/gopsutil/host"
"github.com/shirou/gopsutil/mem"
"github.com/sony/gobreaker"
)
// TODO: unique Cluster ID
// Default version check URL.
const (
DefaultVersionCheckURL = "https://diagnostics.pilosa.com/v0/version"
)
type versionResponse struct {
Version string `json:"version"`
Message string `json:"message"`
}
// Diagnostics represents a client to the Pilosa cluster.
type Diagnostics struct {
mu sync.Mutex
wg sync.WaitGroup
closing chan struct{}
host string
VersionURL string
version string
lastVersion string
startTime int64
start time.Time
metrics map[string]interface{}
client *http.Client
interval time.Duration
cb *gobreaker.CircuitBreaker
logOutput io.Writer
}
// New returns a pointer to a new Diagnostics Client given an addr in the format "hostname:port".
func New(host string) *Diagnostics {
return &Diagnostics{
closing: make(chan struct{}),
host: host,
VersionURL: DefaultVersionCheckURL,
startTime: time.Now().Unix(),
start: time.Now(),
client: http.DefaultClient,
metrics: make(map[string]interface{}),
logOutput: ioutil.Discard,
}
}
// SetVersion of locally running Pilosa Cluster to check against master.
func (d *Diagnostics) SetVersion(v string) {
d.version = v
d.Set("Version", v)
}
// SetInterval of the diagnostic go routine and match with the circuit breaker timeout.
func (d *Diagnostics) SetInterval(i time.Duration) {
d.interval = i
}
// schedule start the diagnostics service ticker.
func (d *Diagnostics) schedule() {
ticker := time.NewTicker(d.interval)
defer ticker.Stop()
for {
select {
case <-d.closing:
return
case <-ticker.C:
d.CheckVersion()
d.Flush()
}
}
}
// Flush sends the current metrics.
func (d *Diagnostics) Flush() error {
d.mu.Lock()
d.metrics["Uptime"] = (time.Now().Unix() - d.startTime)
buf, _ := d.Encode()
d.mu.Unlock()
_, err := d.cb.Execute(func() (interface{}, error) {
req, err := http.NewRequest("POST", d.host, bytes.NewReader(buf))
req.Header.Set("Content-Type", "application/json")
resp, err := d.client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
// TODO verify response
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
return body, nil
})
return err
}
// Open configures the circuit breaker used by the HTTP client.
func (d *Diagnostics) Open() {
var st gobreaker.Settings
if d.interval > 0 {
st.Timeout = d.interval * 2
}
d.cb = gobreaker.NewCircuitBreaker(st)
d.logger().Printf("Pilosa is currently configured to send small diagnostics reports to our team every hour. More information here: https://www.pilosa.com/docs/latest/administration/#diagnostics")
}
// Close notify goroutine to stop.
func (d *Diagnostics) Close() error {
close(d.closing)
d.wg.Wait()
return nil
}
// CheckVersion of the local build against Pilosa master.
func (d *Diagnostics) CheckVersion() error {
var rsp versionResponse
req, err := http.NewRequest("GET", d.VersionURL, nil)
resp, err := d.client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("http: status=%d", resp.StatusCode)
} else if err := json.NewDecoder(resp.Body).Decode(&rsp); err != nil {
return fmt.Errorf("json decode: %s", err)
}
// Same a version as last test
if rsp.Version == d.lastVersion {
return nil
}
d.lastVersion = rsp.Version
if err := d.CompareVersion(rsp.Version); err != nil {
d.logger().Printf("%s\n", err.Error())
}
return nil
}
// CompareVersion check version strings.
func (d *Diagnostics) CompareVersion(value string) error {
currentVersion := VersionSegments(value)
localVersion := VersionSegments(d.version)
if localVersion[0] < currentVersion[0] { //Major
return fmt.Errorf("Warning: You are running Pilosa %s. A newer version (%s) is available: https://github.com/pilosa/pilosa/releases", d.version, value)
} else if localVersion[1] < currentVersion[1] && localVersion[0] == currentVersion[0] { // Minor
return fmt.Errorf("Warning: You are running Pilosa %s. The latest Minor release is %s: https://github.com/pilosa/pilosa/releases", d.version, value)
} else if localVersion[2] < currentVersion[2] && localVersion[0] == currentVersion[0] && localVersion[1] == currentVersion[1] { // Patch
return fmt.Errorf("There is a new patch release of Pilosa available: %s: https://github.com/pilosa/pilosa/releases", value)
}
return nil
}
// Encode metrics maps into the json message format.
func (d *Diagnostics) Encode() ([]byte, error) {
return json.Marshal(d.metrics)
}
// Set adds a key value metric.
func (d *Diagnostics) Set(name string, value interface{}) {
d.mu.Lock()
defer d.mu.Unlock()
d.metrics[name] = value
}
// SetLogger Set the logger output type.
func (d *Diagnostics) SetLogger(logger io.Writer) {
d.logOutput = logger
}
// logger returns a logger that writes to LogOutput.
func (d *Diagnostics) logger() *log.Logger {
return log.New(d.logOutput, "", log.LstdFlags)
}
// EnrichWithOSInfo adds OS information to the diagnostics payload.
func (d *Diagnostics) EnrichWithOSInfo() {
osInfo, err := host.Info()
if err != nil {
d.logOutput.Write([]byte(err.Error()))
}
d.Set("HostUptime", osInfo.Uptime)
platform, family, version, err := host.PlatformInformation()
if err != nil {
d.logOutput.Write([]byte(err.Error()))
}
d.Set("OSPlatform", platform)
d.Set("OSFamily", family)
d.Set("OSVersion", version)
kernelVersion, err := host.KernelVersion()
if err != nil {
d.logOutput.Write([]byte(err.Error()))
}
d.Set("OSKernelVersion", kernelVersion)
}
// EnrichWithMemoryInfo adds memory information to the diagnostics payload.
func (d *Diagnostics) EnrichWithMemoryInfo() {
memory, err := mem.VirtualMemory()
if err != nil {
d.logOutput.Write([]byte(err.Error()))
}
d.Set("MemFree", memory.Free)
d.Set("MemTotal", memory.Total)
d.Set("MemUsed", memory.Used)
}
// VersionSegments returns the numeric segments of the version as a slice of ints.
func VersionSegments(segments string) []int {
segments = strings.Trim(segments, "v")
segments = strings.Split(segments, "-")[0]
s := strings.Split(segments, ".")
segmentSlice := make([]int, len(s))
for i, v := range s {
segmentSlice[i], _ = strconv.Atoi(v)
}
return segmentSlice
}

View file

@ -12,7 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
package diagnostics_test
package pilosa
import (
"encoding/json"
@ -23,25 +23,20 @@ import (
"runtime"
"strings"
"testing"
"github.com/pilosa/pilosa/diagnostics"
)
func TestDiagnosticsClient(t *testing.T) {
// Mock server.
server := httptest.NewServer(nil)
defer server.Close()
// Create a new client.
d := diagnostics.New(server.URL)
d := NewDiagnosticsCollector(server.URL)
d.SetLogger(ioutil.Discard)
d.Open()
defer d.Close()
d.Set("gg", 10)
d.Set("ss", "ss")
data, err := d.Encode()
data, err := d.encode()
if err != nil {
t.Fatal(err)
}
@ -58,7 +53,7 @@ func TestDiagnosticsClient(t *testing.T) {
// Test the metrics after a flush.
d.Flush()
data, err = d.Encode()
data, err = d.encode()
if err != nil {
t.Fatal(err)
}
@ -74,7 +69,7 @@ func TestDiagnosticsClient(t *testing.T) {
func TestDiagnosticsVersion_Parse(t *testing.T) {
version := "0.1.1"
vs := diagnostics.VersionSegments(version)
vs := versionSegments(version)
output := []int{0, 1, 1}
if !reflect.DeepEqual(vs, output) {
@ -83,35 +78,33 @@ func TestDiagnosticsVersion_Parse(t *testing.T) {
}
func TestDiagnosticsVersion_Compare(t *testing.T) {
d := diagnostics.New("localhost:10101")
d.Open()
defer d.Close()
d := NewDiagnosticsCollector("localhost:10101")
version := "v0.1.1"
d.SetVersion(version)
err := d.CompareVersion("v1.7.0")
err := d.compareVersion("v1.7.0")
if !strings.Contains(err.Error(), "A newer version") {
t.Fatalf("Expected a newer version is available, actual error: %s", err)
}
err = d.CompareVersion("1.7.0")
err = d.compareVersion("1.7.0")
if !strings.Contains(err.Error(), "A newer version") {
t.Fatalf("Expected a newer version is available, actual error: %s", err)
}
err = d.CompareVersion("0.7.0")
err = d.compareVersion("0.7.0")
if !strings.Contains(err.Error(), "The latest Minor release is") {
t.Fatalf("Expected Minor Version Missmatch, actual error: %s", err)
}
err = d.CompareVersion("0.1.2")
err = d.compareVersion("0.1.2")
if !strings.Contains(err.Error(), "There is a new patch release of Pilosa") {
t.Fatalf("Expected Patch Version Missmatch, actual error: %s", err)
}
err = d.CompareVersion("0.1.1")
err = d.compareVersion("0.1.1")
if err != nil {
t.Fatalf("Versions should match")
}
d.SetVersion("v1.7.0")
err = d.CompareVersion("0.7.2")
err = d.compareVersion("0.7.2")
if err != nil {
t.Fatalf("Local version is greater")
}
@ -125,11 +118,9 @@ func TestDiagnosticsVersion_Check(t *testing.T) {
Version: "1.1.1",
})
}))
defer server.Close()
// Create a new client.
d := diagnostics.New("localhost:10101")
defer d.Close()
d := NewDiagnosticsCollector("localhost:10101")
version := "0.1.1"
d.SetVersion(version)
@ -138,10 +129,6 @@ func TestDiagnosticsVersion_Check(t *testing.T) {
d.CheckVersion()
}
type versionResponse struct {
Version string `json:"version"`
}
func compareJSON(a, b []byte) (bool, error) {
var j1, j2 interface{}
if err := json.Unmarshal(a, &j1); err != nil {
@ -156,12 +143,10 @@ func compareJSON(a, b []byte) (bool, error) {
func BenchmarkDiagnostics(b *testing.B) {
// Mock server.
server := httptest.NewServer(nil)
defer server.Close()
// Create a new client.
d := diagnostics.New(server.URL)
d := NewDiagnosticsCollector(server.URL)
d.SetLogger(ioutil.Discard)
defer d.Close()
prev := runtime.GOMAXPROCS(4)
defer runtime.GOMAXPROCS(prev)

7
gc.go
View file

@ -14,6 +14,9 @@
package pilosa
// Ensure nopGCNotifier implements interface.
var _ GCNotifier = &nopGCNotifier{}
// GCNotifier represents an interface for garbage collection notificationss.
type GCNotifier interface {
Close()
@ -29,10 +32,10 @@ var NopGCNotifier GCNotifier
type nopGCNotifier struct{}
// Close is a no-op implemenetation of GCNotifier Close method.
// Close is a no-op implementation of GCNotifier Close method.
func (n *nopGCNotifier) Close() {}
// AfterGC is a no-op implemenetation of GCNotifier AfterGC method.
// AfterGC is a no-op implementation of GCNotifier AfterGC method.
func (c *nopGCNotifier) AfterGC() <-chan struct{} {
return nil
}

101
gopsutil/systeminfo.go Normal file
View file

@ -0,0 +1,101 @@
package gopsutil
import (
"github.com/pilosa/pilosa"
"github.com/shirou/gopsutil/host"
"github.com/shirou/gopsutil/mem"
)
var _ pilosa.SystemInfo = NewSystemInfo()
// SystemInfo is an implementation of pilosa.SystemInfo that uses gopsutil to collect information about the host OS.
type SystemInfo struct {
platform string
family string
osVersion string
}
// Uptime returns the system uptime in seconds.
func (s *SystemInfo) Uptime() (uptime uint64, err error) {
hostInfo, err := host.Info()
if err != nil {
return 0, err
}
return hostInfo.Uptime, nil
}
// collectPlatformInfo fetches and caches system platform information.
func (s *SystemInfo) collectPlatformInfo() error {
var err error
if s.platform == "" {
s.platform, s.family, s.osVersion, err = host.PlatformInformation()
if err != nil {
return err
}
}
return nil
}
// Platform returns the system platform.
func (s *SystemInfo) Platform() (string, error) {
err := s.collectPlatformInfo()
if err != nil {
return "", err
}
return s.platform, nil
}
// Family returns the system family.
func (s *SystemInfo) Family() (string, error) {
err := s.collectPlatformInfo()
if err != nil {
return "", err
}
return s.family, err
}
// OSVersion returns the OS Version.
func (s *SystemInfo) OSVersion() (string, error) {
err := s.collectPlatformInfo()
if err != nil {
return "", err
}
return s.osVersion, err
}
// MemFree returns the amount of free memory in bytes.
func (s *SystemInfo) MemFree() (uint64, error) {
memInfo, err := mem.VirtualMemory()
if err != nil {
return 0, err
}
return memInfo.Free, err
}
// MemTotal returns the amount of total memory in bytes.
func (s *SystemInfo) MemTotal() (uint64, error) {
memInfo, err := mem.VirtualMemory()
if err != nil {
return 0, err
}
return memInfo.Total, err
}
// MemUsed returns the amount of used memory in bytes.
func (s *SystemInfo) MemUsed() (uint64, error) {
memInfo, err := mem.VirtualMemory()
if err != nil {
return 0, err
}
return memInfo.Used, err
}
// KernelVersion returns the kernel version as a string.
func (s *SystemInfo) KernelVersion() (string, error) {
return host.KernelVersion()
}
// NewSystemInfo is a constructor for the gopsutil implementation of SystemInfo.
func NewSystemInfo() *SystemInfo {
return &SystemInfo{}
}

View file

@ -0,0 +1,63 @@
package gopsutil_test
import (
"log"
"testing"
"github.com/pilosa/pilosa"
"github.com/pilosa/pilosa/gopsutil"
)
func TestSystemInfo(t *testing.T) {
var systemInfo pilosa.SystemInfo = gopsutil.NewSystemInfo()
// Uptime()(uint64, error)
// Platform()(string, error)
// Family()(string, error)
// OSVersion()(string, error)
// KernelVersion()(string, error)
// MemFree()(uint64, error)
// MemTotal()(uint64, error)
// MemUsed()(uint64, error)
//
uptime, err := systemInfo.Uptime()
if err != nil || uptime == 0 {
t.Fatalf("Error collecting uptime (error: %v)", err)
}
platform, err := systemInfo.Platform()
if err != nil {
t.Fatalf("Error getting platform. (platform: %v, error: %v)", platform, err)
}
family, err := systemInfo.Family()
if err != nil {
t.Fatalf("Error getting OS family. (family: %v, error: %v)", family, err)
}
osversion, err := systemInfo.OSVersion()
if err != nil {
t.Fatalf("Error getting OS version. (osversion: %v, error: %v)", osversion, err)
}
kernelversion, err := systemInfo.KernelVersion()
if err != nil {
t.Fatalf("Error getting kernel version. (kernelversion: %v, error: %v)", kernelversion, err)
}
memfree, err := systemInfo.MemFree()
if err != nil {
t.Fatalf("Error getting memfree. (memfree: %v, error: %v)", memfree, err)
}
memused, err := systemInfo.MemUsed()
if err != nil {
t.Fatalf("Error getting memused. (memused: %v, error: %v)", memused, err)
}
memtotal, err := systemInfo.MemTotal()
log.Println(memtotal)
if err != nil {
t.Fatalf("Error getting memtotal. (memtotal: %v, error: %v)", memtotal, err)
}
}

View file

@ -32,7 +32,6 @@ import (
"time"
"github.com/gogo/protobuf/proto"
"github.com/pilosa/pilosa/diagnostics"
"github.com/pilosa/pilosa/internal"
"golang.org/x/sync/errgroup"
@ -70,7 +69,8 @@ type Server struct {
NodeID string
URI URI
Cluster *Cluster
diagnostics *diagnostics.Diagnostics
diagnostics *DiagnosticsCollector
SystemInfo SystemInfo
GCNotifier GCNotifier
@ -100,7 +100,8 @@ func NewServer() *Server {
Handler: NewHandler(),
Broadcaster: NopBroadcaster,
BroadcastReceiver: NopBroadcastReceiver,
diagnostics: diagnostics.New(DefaultDiagnosticServer),
diagnostics: NewDiagnosticsCollector(DefaultDiagnosticServer),
SystemInfo: NewNopSystemInfo(),
Network: "tcp",
@ -115,6 +116,7 @@ func NewServer() *Server {
s.logger = log.New(s.LogOutput, "", log.LstdFlags)
s.Handler.Holder = s.Holder
s.diagnostics.server = s
return s
}
@ -603,15 +605,16 @@ func (s *Server) mergeRemoteStatus(ns *internal.NodeStatus) error {
// monitorDiagnostics periodically polls the Pilosa Indexes for cluster info.
func (s *Server) monitorDiagnostics() {
if s.DiagnosticInterval <= 0 {
// Do not send more than once a minute
if s.DiagnosticInterval < time.Minute {
s.Logger().Printf("diagnostics disabled")
return
} else {
s.Logger().Printf("Pilosa is currently configured to send small diagnostics reports to our team every %v. More information here: https://www.pilosa.com/docs/latest/administration/#diagnostics", s.DiagnosticInterval)
}
s.diagnostics.SetLogger(s.LogOutput)
s.diagnostics.SetVersion(Version)
s.diagnostics.SetInterval(s.DiagnosticInterval)
s.diagnostics.Open()
s.diagnostics.Set("Host", s.URI.host)
s.diagnostics.Set("Cluster", strings.Join(s.Cluster.NodeIDs(), ","))
s.diagnostics.Set("NumNodes", len(s.Cluster.Nodes))
@ -622,15 +625,18 @@ func (s *Server) monitorDiagnostics() {
// Flush the diagnostics metrics at startup, then on each tick interval
flush := func() {
enrichDiagnosticsWithSchemaProperties(s.diagnostics, s.Holder)
openFiles, err := CountOpenFiles()
if err == nil {
s.diagnostics.Set("OpenFiles", openFiles)
}
s.diagnostics.Set("GoRoutines", runtime.NumGoroutine())
s.diagnostics.EnrichWithMemoryInfo()
s.diagnostics.EnrichWithSchemaProperties()
s.diagnostics.CheckVersion()
s.diagnostics.Flush()
err = s.diagnostics.Flush()
if err != nil {
s.Logger().Printf("Diagnostics error: %s", err)
}
}
ticker := time.NewTicker(s.DiagnosticInterval)
@ -725,39 +731,3 @@ type StatusHandler interface {
ClusterStatus() (proto.Message, error)
HandleRemoteStatus(proto.Message) error
}
type diagnosticsFrameProperties struct {
BSIFieldCount int
TimeQuantumEnabled bool
}
func enrichDiagnosticsWithSchemaProperties(d *diagnostics.Diagnostics, holder *Holder) {
// NOTE: this function is not in the diagnostics package, since circular imports are not allowed.
var numSlices uint64
numFrames := 0
numIndexes := 0
bsiFieldCount := 0
timeQuantumEnabled := false
for _, index := range holder.Indexes() {
numSlices += index.MaxSlice() + 1
numIndexes += 1
for _, frame := range index.Frames() {
numFrames += 1
if frame.rangeEnabled {
if fields, err := frame.GetFields(); err == nil {
bsiFieldCount += len(fields)
}
}
if frame.TimeQuantum() != "" {
timeQuantumEnabled = true
}
}
}
d.Set("NumIndexes", numIndexes)
d.Set("NumFrames", numFrames)
d.Set("NumSlices", numSlices)
d.Set("BSIFieldCount", bsiFieldCount)
d.Set("TimeQuantumEnabled", timeQuantumEnabled)
}

View file

@ -34,6 +34,7 @@ import (
"github.com/pilosa/pilosa"
"github.com/pilosa/pilosa/gcnotify"
"github.com/pilosa/pilosa/gopsutil"
"github.com/pilosa/pilosa/gossip"
"github.com/pilosa/pilosa/statsd"
)
@ -152,6 +153,7 @@ func (m *Command) SetupServer() error {
if m.Config.Metric.Diagnostics {
m.Server.DiagnosticInterval = time.Duration(DefaultDiagnosticsInterval)
}
m.Server.SystemInfo = gopsutil.NewSystemInfo()
m.Server.GCNotifier = gcnotify.NewActiveGCNotifier()
m.Server.Holder.Stats, err = NewStatsClient(m.Config.Metric.Service, m.Config.Metric.Host)
if err != nil {