本文整理汇总了Golang中github.com/influxdata/influxdb/services/subscriber.NewService函数的典型用法代码示例。如果您正苦于以下问题:Golang NewService函数的具体用法?Golang NewService怎么用?Golang NewService使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了NewService函数的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Golang代码示例。
示例1: TestService_WaitForDataChanged
func TestService_WaitForDataChanged(t *testing.T) {
dataChanged := make(chan struct{}, 1)
ms := MetaClient{}
ms.WaitForDataChangedFn = func() chan struct{} {
return dataChanged
}
calls := make(chan bool, 2)
ms.DatabasesFn = func() []meta.DatabaseInfo {
calls <- true
return nil
}
s := subscriber.NewService(subscriber.NewConfig())
s.MetaClient = ms
// Explicitly closed below for testing
s.Open()
// Should be called once during open
select {
case <-calls:
case <-time.After(10 * time.Millisecond):
t.Fatal("expected call")
}
select {
case <-calls:
t.Fatal("unexpected call")
case <-time.After(time.Millisecond):
}
// Signal that data has changed
dataChanged <- struct{}{}
// Should be called once more after data changed
select {
case <-calls:
case <-time.After(10 * time.Millisecond):
t.Fatal("expected call")
}
select {
case <-calls:
t.Fatal("unexpected call")
case <-time.After(time.Millisecond):
}
//Close service ensure not called
s.Close()
dataChanged <- struct{}{}
select {
case <-calls:
t.Fatal("unexpected call")
case <-time.After(time.Millisecond):
}
close(dataChanged)
}
开发者ID:ChenXiukun,项目名称:influxdb,代码行数:57,代码来源:service_test.go
示例2: NewServer
// NewServer returns a new instance of Server built from a config.
func NewServer(c *Config, buildInfo *BuildInfo) (*Server, error) {
// We need to ensure that a meta directory always exists even if
// we don't start the meta store. node.json is always stored under
// the meta directory.
if err := os.MkdirAll(c.Meta.Dir, 0777); err != nil {
return nil, fmt.Errorf("mkdir all: %s", err)
}
// 0.10-rc1 and prior would sometimes put the node.json at the root
// dir which breaks backup/restore and restarting nodes. This moves
// the file from the root so it's always under the meta dir.
oldPath := filepath.Join(filepath.Dir(c.Meta.Dir), "node.json")
newPath := filepath.Join(c.Meta.Dir, "node.json")
if _, err := os.Stat(oldPath); err == nil {
if err := os.Rename(oldPath, newPath); err != nil {
return nil, err
}
}
_, err := influxdb.LoadNode(c.Meta.Dir)
if err != nil {
if !os.IsNotExist(err) {
return nil, err
}
}
if err := raftDBExists(c.Meta.Dir); err != nil {
return nil, err
}
// In 0.10.0 bind-address got moved to the top level. Check
// The old location to keep things backwards compatible
bind := c.BindAddress
s := &Server{
buildInfo: *buildInfo,
err: make(chan error),
closing: make(chan struct{}),
BindAddress: bind,
Logger: zap.New(
zap.NewTextEncoder(),
zap.Output(os.Stderr),
),
MetaClient: meta.NewClient(c.Meta),
reportingDisabled: c.ReportingDisabled,
httpAPIAddr: c.HTTPD.BindAddress,
httpUseTLS: c.HTTPD.HTTPSEnabled,
tcpAddr: bind,
config: c,
}
s.Monitor = monitor.New(s, c.Monitor)
if err := s.MetaClient.Open(); err != nil {
return nil, err
}
s.TSDBStore = tsdb.NewStore(c.Data.Dir)
s.TSDBStore.EngineOptions.Config = c.Data
// Copy TSDB configuration.
s.TSDBStore.EngineOptions.EngineVersion = c.Data.Engine
// Create the Subscriber service
s.Subscriber = subscriber.NewService(c.Subscriber)
// Initialize points writer.
s.PointsWriter = coordinator.NewPointsWriter()
s.PointsWriter.WriteTimeout = time.Duration(c.Coordinator.WriteTimeout)
s.PointsWriter.TSDBStore = s.TSDBStore
s.PointsWriter.Subscriber = s.Subscriber
// Initialize query executor.
s.QueryExecutor = influxql.NewQueryExecutor()
s.QueryExecutor.StatementExecutor = &coordinator.StatementExecutor{
MetaClient: s.MetaClient,
TaskManager: s.QueryExecutor.TaskManager,
TSDBStore: coordinator.LocalTSDBStore{Store: s.TSDBStore},
Monitor: s.Monitor,
PointsWriter: s.PointsWriter,
MaxSelectPointN: c.Coordinator.MaxSelectPointN,
MaxSelectSeriesN: c.Coordinator.MaxSelectSeriesN,
MaxSelectBucketsN: c.Coordinator.MaxSelectBucketsN,
}
s.QueryExecutor.TaskManager.QueryTimeout = time.Duration(c.Coordinator.QueryTimeout)
s.QueryExecutor.TaskManager.LogQueriesAfter = time.Duration(c.Coordinator.LogQueriesAfter)
s.QueryExecutor.TaskManager.MaxConcurrentQueries = c.Coordinator.MaxConcurrentQueries
// Initialize the monitor
s.Monitor.Version = s.buildInfo.Version
s.Monitor.Commit = s.buildInfo.Commit
s.Monitor.Branch = s.buildInfo.Branch
s.Monitor.BuildTime = s.buildInfo.Time
//.........这里部分代码省略.........
开发者ID:li-ang,项目名称:influxdb,代码行数:101,代码来源:server.go
示例3: NewServer
// NewServer returns a new instance of Server built from a config.
func NewServer(c *Config, buildInfo *BuildInfo) (*Server, error) {
// We need to ensure that a meta directory always exists even if
// we don't start the meta store. node.json is always stored under
// the meta directory.
if err := os.MkdirAll(c.Meta.Dir, 0777); err != nil {
return nil, fmt.Errorf("mkdir all: %s", err)
}
// 0.10-rc1 and prior would sometimes put the node.json at the root
// dir which breaks backup/restore and restarting nodes. This moves
// the file from the root so it's always under the meta dir.
oldPath := filepath.Join(filepath.Dir(c.Meta.Dir), "node.json")
newPath := filepath.Join(c.Meta.Dir, "node.json")
if _, err := os.Stat(oldPath); err == nil {
if err := os.Rename(oldPath, newPath); err != nil {
return nil, err
}
}
_, err := influxdb.LoadNode(c.Meta.Dir)
if err != nil {
if !os.IsNotExist(err) {
return nil, err
}
}
// Check to see if there is a raft db, if so, error out with a message
// to downgrade, export, and then import the meta data
raftFile := filepath.Join(c.Meta.Dir, "raft.db")
if _, err := os.Stat(raftFile); err == nil {
return nil, fmt.Errorf("detected %s. To proceed, you'll need to either 1) downgrade to v0.11.x, export your metadata, upgrade to the current version again, and then import the metadata or 2) delete the file, which will effectively reset your database. For more assistance with the upgrade, see: https://docs.influxdata.com/influxdb/v0.12/administration/upgrading/", raftFile)
}
// In 0.10.0 bind-address got moved to the top level. Check
// The old location to keep things backwards compatible
bind := c.BindAddress
s := &Server{
buildInfo: *buildInfo,
err: make(chan error),
closing: make(chan struct{}),
BindAddress: bind,
MetaClient: meta.NewClient(c.Meta),
Monitor: monitor.New(c.Monitor),
reportingDisabled: c.ReportingDisabled,
httpAPIAddr: c.HTTPD.BindAddress,
httpUseTLS: c.HTTPD.HTTPSEnabled,
tcpAddr: bind,
config: c,
}
if err := s.MetaClient.Open(); err != nil {
return nil, err
}
s.TSDBStore = tsdb.NewStore(c.Data.Dir)
s.TSDBStore.EngineOptions.Config = c.Data
// Copy TSDB configuration.
s.TSDBStore.EngineOptions.EngineVersion = c.Data.Engine
// Create the Subscriber service
s.Subscriber = subscriber.NewService(c.Subscriber)
// Initialize points writer.
s.PointsWriter = cluster.NewPointsWriter()
s.PointsWriter.WriteTimeout = time.Duration(c.Cluster.WriteTimeout)
s.PointsWriter.TSDBStore = s.TSDBStore
s.PointsWriter.Subscriber = s.Subscriber
// Initialize query executor.
s.QueryExecutor = influxql.NewQueryExecutor()
s.QueryExecutor.StatementExecutor = &cluster.StatementExecutor{
MetaClient: s.MetaClient,
TSDBStore: cluster.LocalTSDBStore{Store: s.TSDBStore},
Monitor: s.Monitor,
PointsWriter: s.PointsWriter,
MaxSelectPointN: c.Cluster.MaxSelectPointN,
MaxSelectSeriesN: c.Cluster.MaxSelectSeriesN,
MaxSelectBucketsN: c.Cluster.MaxSelectBucketsN,
}
s.QueryExecutor.QueryTimeout = time.Duration(c.Cluster.QueryTimeout)
s.QueryExecutor.MaxConcurrentQueries = c.Cluster.MaxConcurrentQueries
if c.Data.QueryLogEnabled {
s.QueryExecutor.LogOutput = os.Stderr
}
// Initialize the monitor
s.Monitor.Version = s.buildInfo.Version
s.Monitor.Commit = s.buildInfo.Commit
s.Monitor.Branch = s.buildInfo.Branch
s.Monitor.BuildTime = s.buildInfo.Time
//.........这里部分代码省略.........
开发者ID:seiflotfy,项目名称:influxdb,代码行数:101,代码来源:server.go
示例4: TestService_IgnoreNonMatch
func TestService_IgnoreNonMatch(t *testing.T) {
dataChanged := make(chan struct{})
ms := MetaClient{}
ms.WaitForDataChangedFn = func() chan struct{} {
return dataChanged
}
ms.DatabasesFn = func() []meta.DatabaseInfo {
return []meta.DatabaseInfo{
{
Name: "db0",
RetentionPolicies: []meta.RetentionPolicyInfo{
{
Name: "rp0",
Subscriptions: []meta.SubscriptionInfo{
{Name: "s0", Mode: "ANY", Destinations: []string{"udp://h0:9093", "udp://h1:9093"}},
},
},
},
},
}
}
prs := make(chan *coordinator.WritePointsRequest, 2)
urls := make(chan url.URL, 2)
newPointsWriter := func(u url.URL) (subscriber.PointsWriter, error) {
sub := Subscription{}
sub.WritePointsFn = func(p *coordinator.WritePointsRequest) error {
prs <- p
return nil
}
urls <- u
return sub, nil
}
s := subscriber.NewService(subscriber.NewConfig())
s.MetaClient = ms
s.NewPointsWriter = newPointsWriter
s.Open()
defer s.Close()
// Signal that data has changed
dataChanged <- struct{}{}
for _, expURLStr := range []string{"udp://h0:9093", "udp://h1:9093"} {
var u url.URL
expURL, _ := url.Parse(expURLStr)
select {
case u = <-urls:
case <-time.After(10 * time.Millisecond):
t.Fatal("expected urls")
}
if expURL.String() != u.String() {
t.Fatalf("unexpected url: got %s exp %s", u.String(), expURL.String())
}
}
// Write points that don't match any subscription.
s.Points() <- &coordinator.WritePointsRequest{
Database: "db1",
RetentionPolicy: "rp0",
}
s.Points() <- &coordinator.WritePointsRequest{
Database: "db0",
RetentionPolicy: "rp2",
}
// Shouldn't get any prs back
select {
case pr := <-prs:
t.Fatalf("unexpected points request %v", pr)
default:
}
close(dataChanged)
}
开发者ID:ChenXiukun,项目名称:influxdb,代码行数:74,代码来源:service_test.go
示例5: TestService_Multiple
func TestService_Multiple(t *testing.T) {
dataChanged := make(chan struct{})
ms := MetaClient{}
ms.WaitForDataChangedFn = func() chan struct{} {
return dataChanged
}
ms.DatabasesFn = func() []meta.DatabaseInfo {
return []meta.DatabaseInfo{
{
Name: "db0",
RetentionPolicies: []meta.RetentionPolicyInfo{
{
Name: "rp0",
Subscriptions: []meta.SubscriptionInfo{
{Name: "s0", Mode: "ANY", Destinations: []string{"udp://h0:9093", "udp://h1:9093"}},
},
},
{
Name: "rp1",
Subscriptions: []meta.SubscriptionInfo{
{Name: "s1", Mode: "ALL", Destinations: []string{"udp://h2:9093", "udp://h3:9093"}},
},
},
},
},
}
}
prs := make(chan *coordinator.WritePointsRequest, 4)
urls := make(chan url.URL, 4)
newPointsWriter := func(u url.URL) (subscriber.PointsWriter, error) {
sub := Subscription{}
sub.WritePointsFn = func(p *coordinator.WritePointsRequest) error {
prs <- p
return nil
}
urls <- u
return sub, nil
}
s := subscriber.NewService(subscriber.NewConfig())
s.MetaClient = ms
s.NewPointsWriter = newPointsWriter
s.Open()
defer s.Close()
// Signal that data has changed
dataChanged <- struct{}{}
for _, expURLStr := range []string{"udp://h0:9093", "udp://h1:9093", "udp://h2:9093", "udp://h3:9093"} {
var u url.URL
expURL, _ := url.Parse(expURLStr)
select {
case u = <-urls:
case <-time.After(10 * time.Millisecond):
t.Fatal("expected urls")
}
if expURL.String() != u.String() {
t.Fatalf("unexpected url: got %s exp %s", u.String(), expURL.String())
}
}
// Write points that don't match any subscription.
s.Points() <- &coordinator.WritePointsRequest{
Database: "db1",
RetentionPolicy: "rp0",
}
s.Points() <- &coordinator.WritePointsRequest{
Database: "db0",
RetentionPolicy: "rp2",
}
// Write points that match subscription with mode ANY
expPR := &coordinator.WritePointsRequest{
Database: "db0",
RetentionPolicy: "rp0",
}
s.Points() <- expPR
// Validate we get the pr back just once
var pr *coordinator.WritePointsRequest
select {
case pr = <-prs:
case <-time.After(10 * time.Millisecond):
t.Fatal("expected points request")
}
if pr != expPR {
t.Errorf("unexpected points request: got %v, exp %v", pr, expPR)
}
// shouldn't get it a second time
select {
case pr = <-prs:
t.Fatalf("unexpected points request %v", pr)
default:
}
// Write points that match subscription with mode ALL
expPR = &coordinator.WritePointsRequest{
Database: "db0",
//.........这里部分代码省略.........
开发者ID:ChenXiukun,项目名称:influxdb,代码行数:101,代码来源:service_test.go
示例6: NewServer
// NewServer returns a new instance of Server built from a config.
func NewServer(c *Config, buildInfo *BuildInfo) (*Server, error) {
// We need to ensure that a meta directory always exists even if
// we don't start the meta store. node.json is always stored under
// the meta directory.
if err := os.MkdirAll(c.Meta.Dir, 0777); err != nil {
return nil, fmt.Errorf("mkdir all: %s", err)
}
// 0.10-rc1 and prior would sometimes put the node.json at the root
// dir which breaks backup/restore and restarting nodes. This moves
// the file from the root so it's always under the meta dir.
oldPath := filepath.Join(filepath.Dir(c.Meta.Dir), "node.json")
newPath := filepath.Join(c.Meta.Dir, "node.json")
if _, err := os.Stat(oldPath); err == nil {
if err := os.Rename(oldPath, newPath); err != nil {
return nil, err
}
}
nodeAddr, err := meta.DefaultHost(DefaultHostname, c.Meta.HTTPBindAddress)
if err != nil {
return nil, err
}
// load the node information
metaAddresses := []string{nodeAddr}
if !c.Meta.Enabled {
metaAddresses = c.Meta.JoinPeers
}
node, err := influxdb.LoadNode(c.Meta.Dir, metaAddresses)
if err != nil {
if !os.IsNotExist(err) {
return nil, err
} else {
node = influxdb.NewNode(c.Meta.Dir, metaAddresses)
}
}
// In 0.10.0 bind-address got moved to the top level. Check
// The old location to keep things backwards compatible
bind := c.BindAddress
if c.Meta.BindAddress != "" {
bind = c.Meta.BindAddress
}
if !c.Data.Enabled && !c.Meta.Enabled {
return nil, fmt.Errorf("must run as either meta node or data node or both")
}
httpBindAddress, err := meta.DefaultHost(DefaultHostname, c.HTTPD.BindAddress)
if err != nil {
return nil, err
}
tcpBindAddress, err := meta.DefaultHost(DefaultHostname, bind)
if err != nil {
return nil, err
}
s := &Server{
buildInfo: *buildInfo,
err: make(chan error),
closing: make(chan struct{}),
BindAddress: bind,
Node: node,
Monitor: monitor.New(c.Monitor),
reportingDisabled: c.ReportingDisabled,
joinPeers: c.Meta.JoinPeers,
metaUseTLS: c.Meta.HTTPSEnabled,
httpAPIAddr: httpBindAddress,
httpUseTLS: c.HTTPD.HTTPSEnabled,
tcpAddr: tcpBindAddress,
config: c,
}
if c.Meta.Enabled {
s.MetaService = meta.NewService(c.Meta)
}
if c.Data.Enabled {
s.TSDBStore = tsdb.NewStore(c.Data.Dir)
s.TSDBStore.EngineOptions.Config = c.Data
// Copy TSDB configuration.
s.TSDBStore.EngineOptions.EngineVersion = c.Data.Engine
s.TSDBStore.EngineOptions.MaxWALSize = c.Data.MaxWALSize
s.TSDBStore.EngineOptions.WALFlushInterval = time.Duration(c.Data.WALFlushInterval)
s.TSDBStore.EngineOptions.WALPartitionFlushDelay = time.Duration(c.Data.WALPartitionFlushDelay)
// Initialize query executor.
s.QueryExecutor = tsdb.NewQueryExecutor()
s.QueryExecutor.Store = s.TSDBStore
//.........这里部分代码省略.........
开发者ID:rwarren,项目名称:influxdb,代码行数:101,代码来源:server.go
示例7: NewServer
// NewServer returns a new instance of Server built from a config.
func NewServer(c *Config, buildInfo *BuildInfo) (*Server, error) {
// We need to ensure that a meta directory always exists even if
// we don't start the meta store. node.json is always stored under
// the meta directory.
if err := os.MkdirAll(c.Meta.Dir, 0777); err != nil {
return nil, fmt.Errorf("mkdir all: %s", err)
}
// 0.10-rc1 and prior would sometimes put the node.json at the root
// dir which breaks backup/restore and restarting nodes. This moves
// the file from the root so it's always under the meta dir.
oldPath := filepath.Join(filepath.Dir(c.Meta.Dir), "node.json")
newPath := filepath.Join(c.Meta.Dir, "node.json")
if _, err := os.Stat(oldPath); err == nil {
if err := os.Rename(oldPath, newPath); err != nil {
return nil, err
}
}
_, err := influxdb.LoadNode(c.Meta.Dir)
if err != nil {
if !os.IsNotExist(err) {
return nil, err
}
}
// In 0.10.0 bind-address got moved to the top level. Check
// The old location to keep things backwards compatible
bind := c.BindAddress
s := &Server{
buildInfo: *buildInfo,
err: make(chan error),
closing: make(chan struct{}),
BindAddress: bind,
MetaClient: meta.NewClient(c.Meta),
Monitor: monitor.New(c.Monitor),
reportingDisabled: c.ReportingDisabled,
httpAPIAddr: c.HTTPD.BindAddress,
httpUseTLS: c.HTTPD.HTTPSEnabled,
tcpAddr: bind,
config: c,
}
if err := s.MetaClient.Open(); err != nil {
return nil, err
}
s.TSDBStore = tsdb.NewStore(c.Data.Dir)
s.TSDBStore.EngineOptions.Config = c.Data
// Copy TSDB configuration.
s.TSDBStore.EngineOptions.EngineVersion = c.Data.Engine
s.TSDBStore.EngineOptions.MaxWALSize = c.Data.MaxWALSize
s.TSDBStore.EngineOptions.WALFlushInterval = time.Duration(c.Data.WALFlushInterval)
s.TSDBStore.EngineOptions.WALPartitionFlushDelay = time.Duration(c.Data.WALPartitionFlushDelay)
// Create the Subscriber service
s.Subscriber = subscriber.NewService(c.Subscriber)
// Initialize points writer.
s.PointsWriter = cluster.NewPointsWriter()
s.PointsWriter.WriteTimeout = time.Duration(c.Cluster.WriteTimeout)
s.PointsWriter.TSDBStore = s.TSDBStore
s.PointsWriter.Subscriber = s.Subscriber
// Initialize query executor.
s.QueryExecutor = cluster.NewQueryExecutor()
s.QueryExecutor.MetaClient = s.MetaClient
s.QueryExecutor.TSDBStore = s.TSDBStore
s.QueryExecutor.Monitor = s.Monitor
s.QueryExecutor.PointsWriter = s.PointsWriter
if c.Data.QueryLogEnabled {
s.QueryExecutor.LogOutput = os.Stderr
}
// Initialize the monitor
s.Monitor.Version = s.buildInfo.Version
s.Monitor.Commit = s.buildInfo.Commit
s.Monitor.Branch = s.buildInfo.Branch
s.Monitor.BuildTime = s.buildInfo.Time
s.Monitor.PointsWriter = (*monitorPointsWriter)(s.PointsWriter)
return s, nil
}
开发者ID:jonseymour,项目名称:influxdb,代码行数:93,代码来源:server.go
注:本文中的github.com/influxdata/influxdb/services/subscriber.NewService函数示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
请发表评论