func (e *esStateService) readObject(objid string) (o *object, err error) {
conn := elastigo.NewConn()
defer conn.Close()
conn.Domain = e.stateDomain
template := `{
"query": {
"term": {
"object_id": "%v"
}
}
}`
tempbuf := fmt.Sprintf(template, objid)
res, err := conn.Search(e.stateIndex, "geomodel_state", nil, tempbuf)
if err != nil {
return o, err
}
if res.Hits.Len() == 0 {
return nil, nil
}
if res.Hits.Len() > 1 {
return nil, fmt.Errorf("consistency failure, more than one object matched")
}
o = &object{}
err = json.Unmarshal(*res.Hits.Hits[0].Source, o)
if err != nil {
return nil, err
}
return o, nil
}
// Initializes a new elastic search handler.
func NewElastic(host string, index string) (*Elastic, error) {
c := elastigo.NewConn()
c.Domain = host
b := c.NewBulkIndexer(10)
b.Start()
return &Elastic{c, b, index}, nil
}
func InitElasticsearch() error {
es = elastigo.NewConn()
es.Domain = setting.Config.ElasticsearchDomain // needs to be configurable obviously
es.Port = strconv.Itoa(setting.Config.ElasticsearchPort)
if setting.Config.ElasticsearchUser != "" && setting.Config.ElasticsearchPasswd != "" {
es.Username = setting.Config.ElasticsearchUser
es.Password = setting.Config.ElasticsearchPasswd
}
if exists, err := es.ExistsIndex("definitions", "metric", nil); err != nil && err.Error() != "record not found" {
return err
} else {
if !exists {
_, err = es.CreateIndex("definitions")
if err != nil {
return err
}
}
esopts := elastigo.MappingOptions{}
err = es.PutMapping("definitions", "metric", MetricDefinition{}, esopts)
if err != nil {
return err
}
}
return nil
}
func (c *Configuration) StartElasticSearch() {
address := c.Json.Elastic.HostAddress
if !c.Json.RunLocalMode {
if os.Getenv("CRASHMAT_ELASTICHOSTADDRESS") != "" {
log.Println("Using environmental for CRASHMAT_ELASTICHOSTADDRESS")
address = os.Getenv("CRASHMAT_ELASTICHOSTADDRESS")
}
}
if c.Json.Elastic.DropAllOnStartUp {
log.Println("Purging => ", address+"crashmat")
out, err := exec.Command("curl", "-XDELETE", address+"crashmat").Output()
if err != nil {
log.Println(err)
}
fmt.Printf("%s", out)
log.Println("Creating => ", address+"crashmat")
out, err = exec.Command("curl", "-XPUT", address+"crashmat").Output()
if err != nil {
log.Println(err)
}
}
elasticConnection := elastigo.NewConn()
elasticConnection.SetFromUrl(address)
ElasticConnection = elasticConnection
c.ElasticConnection = elasticConnection
}
// NewServer returns a new instance of Server built from a config.
func NewServer(c *Config, buildInfo *BuildInfo) (*Server, error) {
elasticsearch := elastigo.NewConn()
elasticsearch.SetFromUrl(c.Meta.ElasticSearchUrl)
db := gocql.NewCluster(c.Database.CassandraNodes...)
db.Keyspace = c.Database.CassandraKeyspace
db.NumConns = c.Database.CassandraConns
db.Discovery = gocql.DiscoveryConfig{
DcFilter: "",
RackFilter: "",
Sleep: 30 * time.Second,
}
s := &Server{
buildInfo: *buildInfo,
err: make(chan error),
closing: make(chan struct{}),
Hostname: c.Meta.Hostname,
BindAddress: c.Meta.BindAddress,
elasticsearch: elasticsearch,
cassandra: db,
}
// Append services.
//s.appendMongoService(c.Mongo)
s.appendMetricsReportingService(c.Meta)
s.appendHTTPDService(c.HTTPD)
s.appendRegistrationService(c.Registration, c.RegMeta)
return s, nil
}
func Init() {
host := setting.Cfg.Section("elasticsearch").Key("host").MustString("localhost")
port := setting.Cfg.Section("elasticsearch").Key("port").MustInt64(9200)
es = elastigo.NewConn()
es.Domain = host
es.Port = strconv.FormatInt(port, 10)
}
func main() {
c := elastigo.NewConn()
log.SetFlags(log.LstdFlags)
flag.Parse()
fmt.Println("host = ", *host)
// Set the Elasticsearch Host to Connect to
c.Domain = *host
// Index a document
_, err := c.Index("testindex", "user", "docid_1", nil, `{"name":"bob"}`)
exitIfErr(err)
// Index a doc using a map of values
_, err = c.Index("testindex", "user", "docid_2", nil, map[string]string{"name": "venkatesh"})
exitIfErr(err)
// Index a doc using Structs
_, err = c.Index("testindex", "user", "docid_3", nil, MyUser{"wanda", 22})
exitIfErr(err)
// Search Using Raw json String
searchJson := `{
"query" : {
"term" : { "Name" : "wanda" }
}
}`
out, err := c.Search("testindex", "user", nil, searchJson)
if len(out.Hits.Hits) == 1 {
fmt.Println("%v", out.Hits.Hits[0].Source)
}
exitIfErr(err)
}
func main() {
kingpin.Parse()
r := Rss2{}
response, err := http.DefaultClient.Get(*feedurl)
if err != nil {
log.Fatal(err)
}
xmlContent, err := ioutil.ReadAll(response.Body)
err = xml.Unmarshal(xmlContent, &r)
if err != nil {
log.Fatal(err)
}
client := elastigo.NewConn()
if *esurl != "" {
client.SetFromUrl(*esurl)
}
for _, item := range r.ItemList {
jsonValue, _ := json.MarshalIndent(item, "", " ")
if *esurl != "" {
client.Index(*esindex, *estype, item.GUID, nil, jsonValue)
} else {
fmt.Println(string(jsonValue))
}
}
}
// The simplest usage of background bulk indexing
func ExampleBulkIndexer_simple() {
c := elastigo.NewConn()
indexer := c.NewBulkIndexerErrors(10, 60)
indexer.Start()
indexer.Index("twitter", "user", "1", "", "", nil, `{"name":"bob"}`, true)
indexer.Stop()
}
func GetInstance(addr string, port int) *ElasticSearchStorage {
c := elastigo.NewConn()
c.Domain = addr
c.Port = strconv.FormatInt(int64(port), 10)
storage := &ElasticSearchStorage{connection: c}
return storage
}
// connects to an NSQ topic and emits each message into streamtools.
func (b *ToElasticsearch) Run() {
var err error
var esIndex string
var esType string
conn := elastigo.NewConn()
host := "localhost"
port := "9200"
for {
select {
case ruleI := <-b.inrule:
host, err = util.ParseString(ruleI, "Host")
if err != nil {
b.Error(err)
break
}
port, err = util.ParseString(ruleI, "Port")
if err != nil {
b.Error(err)
break
}
esIndex, err = util.ParseString(ruleI, "Index")
if err != nil {
b.Error(err)
break
}
esType, err = util.ParseString(ruleI, "Type")
if err != nil {
b.Error(err)
break
}
conn.Domain = host
conn.Port = port
case msg := <-b.in:
_, err := conn.Index(esIndex, esType, "", nil, msg)
if err != nil {
b.Error(err)
}
case <-b.quit:
return
case c := <-b.queryrule:
c <- map[string]interface{}{
"Host": host,
"Port": port,
"Index": esIndex,
"Type": esType,
}
}
}
}
func (bdb *BloomDatabase) SearchConnection() *elastigo.Conn {
if bdb.sharedSearch == nil {
conn := elastigo.NewConn()
conn.SetHosts(bdb.searchHosts)
bdb.sharedSearch = conn
}
return bdb.sharedSearch
}
func (e *esStateService) writeObject(o object) (err error) {
conn := elastigo.NewConn()
defer conn.Close()
conn.Domain = e.stateDomain
_, err = conn.Index(e.stateIndex, "geomodel_state", o.ObjectID, nil, o)
if err != nil {
return err
}
return nil
}
func InitElasticsearch() error {
es = elastigo.NewConn()
es.Domain = setting.Config.ElasticsearchDomain // needs to be configurable obviously
es.Port = strconv.Itoa(setting.Config.ElasticsearchPort)
if setting.Config.ElasticsearchUser != "" && setting.Config.ElasticsearchPasswd != "" {
es.Username = setting.Config.ElasticsearchUser
es.Password = setting.Config.ElasticsearchPasswd
}
return nil
}
/*
Create the index if it does not exist.
Optionally apply a mapping if mapping file is supplied.
*/
func NewExtendedEssConn(esshost string, essport int) *ExtendedEssConn {
ed := ExtendedEssConn{
Conn: elastigo.NewConn(),
}
ed.Domain = esshost
ed.Port = fmt.Sprintf("%d", essport)
return &ed
}
func main() {
c := elastigo.NewConn()
log.SetFlags(log.LstdFlags)
flag.Parse()
// Trace all requests
c.RequestTracer = func(method, url, body string) {
log.Printf("Requesting %s %s", method, url)
log.Printf("Request body: %s", body)
}
fmt.Println("host = ", *host)
// Set the Elasticsearch Host to Connect to
c.Domain = *host
// Index a document
_, err := c.Index("oldindex", "product", "docid_1", nil, `{"name":"bob"}`)
exitIfErr(err)
// Index a doc using a map of values
_, err = c.Index("oldindex", "product", "docid_2", nil, map[string]string{"name": "venkatesh"})
exitIfErr(err)
// Index a doc using Structs
_, err = c.Index("testindex", "user", "docid_3", nil, map[string]string{"name": "wena"})
exitIfErr(err)
// "name":"peanuts","description":"Honey Roasted peanuts","permalink":"",
// "tax_category_id":0,"shipping_category_id":0,"deleted_at":"0001-01-01T00:00:00Z","meta_description":"",
// "meta_keywords":"","position":0,"is_featured":false,"can_discount":false,"distributor_only_membership":false
// product := models.Product{ 59001, "peanuts", "Honey Roasted peanuts", "Good taste food"}
//
//
// // Index a doc using Structs
// _, err = c.Index("pdtindex", "product", "producid_3", nil, product)
// fmt.Println(product)
//exitIfErr(err)
// Search Using Raw json String
searchJson := `{
"query" : {
"term" : { "Name" : "venkatesh" }
}
}`
out, err := c.Search("oldindex", "product", nil, searchJson)
if len(out.Hits.Hits) == 1 {
fmt.Println("%v", out.Hits.Hits[0].Source)
}
exitIfErr(err)
}
func NewESClient() DbClient {
conn := elastigo.NewConn()
host := eshost1
conn.Domain = host
batchconn := goes.NewConnection(host, "9200")
return &ESClient{
conn: conn,
batchconn: batchconn,
}
}
func (elasticSearchClient *ElasticSearchClient) GetConnection() *elastigo.Conn {
if elasticSearchClient.connection != nil {
return elasticSearchClient.connection
} else {
c := elastigo.NewConn()
c.SetHosts(elasticSearchClient.host)
c.SetPort(strconv.Itoa(elasticSearchClient.port))
elasticSearchClient.connection = c
return elasticSearchClient.connection
}
}
// Consumes messages from NSQ and publishes to ElasticSearch
func NSQToES() error {
nc, err := nsq.NewConsumer(Topic, Channel, nsq.NewConfig())
if err != nil {
return err
}
tn := &nsqToES{
conn: el.NewConn(),
}
tn.conn.Domain = ESAddress
nc.AddConcurrentHandlers(tn, NumHandlers)
return nc.ConnectToNSQD(NSQAddress)
}
// Configure initializes this producer with values from a plugin config.
func (prod *ElasticSearch) Configure(conf core.PluginConfig) error {
err := prod.ProducerBase.Configure(conf)
if err != nil {
return err
}
prod.SetStopCallback(prod.close)
defaultServer := []string{"localhost"}
numConnections := conf.GetInt("Connections", 6)
retrySec := conf.GetInt("RetrySec", 5)
prod.conn = elastigo.NewConn()
prod.conn.Hosts = conf.GetStringArray("Servers", defaultServer)
prod.conn.Domain = conf.GetString("Domain", prod.conn.Hosts[0])
prod.conn.ClusterDomains = prod.conn.Hosts
prod.conn.Port = strconv.Itoa(conf.GetInt("Port", 9200))
prod.conn.Username = conf.GetString("User", "")
prod.conn.Password = conf.GetString("Password", "")
prod.indexer = prod.conn.NewBulkIndexerErrors(numConnections, retrySec)
prod.indexer.BufferDelayMax = time.Duration(conf.GetInt("BatchTimeoutSec", 5)) * time.Second
prod.indexer.BulkMaxBuffer = conf.GetInt("BatchSizeByte", 32768)
prod.indexer.BulkMaxDocs = conf.GetInt("BatchMaxCount", 128)
prod.indexer.Sender = func(buf *bytes.Buffer) error {
_, err := prod.conn.DoCommand("POST", "/_bulk", nil, buf)
if err != nil {
Log.Error.Print("ElasticSearch response error - ", err)
}
return err
}
prod.index = conf.GetStreamMap("Index", "")
prod.msgType = conf.GetStreamMap("Type", "log")
prod.msgTTL = conf.GetString("TTL", "")
prod.dayBasedIndex = conf.GetBool("DayBasedIndex", false)
prod.counters = make(map[string]*int64)
prod.lastMetricUpdate = time.Now()
for _, index := range prod.index {
shared.Metric.New(elasticMetricMessages + index)
shared.Metric.New(elasticMetricMessagesSec + index)
prod.counters[index] = new(int64)
}
prod.SetCheckFuseCallback(prod.isClusterUp)
return nil
}
func New() (*ElasticSearchStorage, error) {
c := elastigo.NewConn()
elasticonfig := strings.Split(config.GetConfig().GetString("storage.elasticsearch"), ":")
if len(elasticonfig) != 2 {
return nil, ErrBadConfig
}
c.Domain = elasticonfig[0]
c.Port = elasticonfig[1]
storage := &ElasticSearchStorage{connection: c}
storage.started.Store(false)
return storage, nil
}
func InitElasticsearch(addr, user, pass string) error {
es = elastigo.NewConn()
parts := strings.Split(addr, ":")
if len(parts) != 2 {
return fmt.Errorf("invalid tcp addr %q", addr)
}
es.Domain = parts[0]
es.Port = parts[1]
if user != "" && pass != "" {
es.Username = user
es.Password = pass
}
return nil
}
/*
Create the index if it does not exist.
Optionally apply a mapping if mapping file is supplied.
*/
func NewEssWrapper(esshost string, essport int, index string, mappingfile ...string) (*EssWrapper, error) {
ed := EssWrapper{conn: elastigo.NewConn(), Index: index}
ed.conn.Domain = esshost
ed.conn.Port = fmt.Sprintf("%d", essport)
if !ed.IndexExists() {
if len(mappingfile) > 0 {
log.V(9).Infof("Initializing with mapping file: %#v\n", mappingfile[0])
return &ed, ed.initializeIndex(mappingfile[0])
} else {
return &ed, ed.initializeIndex("")
}
}
return &ed, nil
}
func NewElasticSearchClient(addr string, port string, maxConns int, retrySeconds int, bulkMaxDocs int) (*ElasticSearchClient, error) {
c := elastigo.NewConn()
c.Domain = addr
c.Port = port
indexer := c.NewBulkIndexerErrors(maxConns, retrySeconds)
if bulkMaxDocs <= 0 {
indexer.BulkMaxDocs = bulkMaxDocs
}
client := &ElasticSearchClient{
connection: c,
indexer: indexer,
}
client.started.Store(false)
return client, nil
}
func New() (*ElasticSearchStorage, error) {
c := elastigo.NewConn()
elasticonfig := strings.Split(config.GetConfig().GetString("storage.elasticsearch"), ":")
if len(elasticonfig) != 2 {
return nil, ErrBadConfig
}
c.Domain = elasticonfig[0]
c.Port = elasticonfig[1]
storage := &ElasticSearchStorage{connection: c}
err := storage.initialize()
if err != nil {
return nil, err
}
return storage, nil
}
// The inspecting the response
func ExampleBulkIndexer_responses() {
c := elastigo.NewConn()
indexer := c.NewBulkIndexer(10)
// Create a custom Sender Func, to allow inspection of response/error
indexer.Sender = func(buf *bytes.Buffer) error {
// @buf is the buffer of docs about to be written
respJson, err := c.DoCommand("POST", "/_bulk", nil, buf)
if err != nil {
// handle it better than this
fmt.Println(string(respJson))
}
return err
}
indexer.Start()
for i := 0; i < 20; i++ {
indexer.Index("twitter", "user", strconv.Itoa(i), "", "", nil, `{"name":"bob"}`, true)
}
indexer.Stop()
}
/*
Create the index if it does not exist.
Optionally apply a mapping if mapping file is supplied.
*/
func NewElasticsearchDatastore(esshost string, essport int, index string, mappingfile ...string) (*ElasticsearchDatastore, error) {
ed := ElasticsearchDatastore{
Conn: elastigo.NewConn(),
Index: index,
VersionIndex: index + "_versions",
}
ed.Conn.Domain = esshost
ed.Conn.Port = fmt.Sprintf("%d", essport)
if !ed.IndexExists() {
if len(mappingfile) > 0 {
log.V(9).Infof("Initializing with mapping file: %#v\n", mappingfile[0])
return &ed, ed.initializeIndex(mappingfile[0])
} else {
return &ed, ed.initializeIndex("")
}
}
return &ed, nil
}
// for testing
func main() {
flag.Parse()
log.SetFlags(log.Ltime | log.Lshortfile)
c := elastigo.NewConn()
c.Domain = *eshost
response, _ := c.Index("twitter", "tweet", "1", nil, NewTweet("kimchy", "Search is cool"))
c.Flush()
log.Printf("Index OK: %v", response.Ok)
searchresponse, err := c.Search("twitter", "tweet", nil, "{\"query\" : {\"term\" : { \"user\" : \"kimchy\" }}}")
if err != nil {
log.Println("error during search:" + err.Error())
log.Fatal(err)
}
// try marshalling to tweet type
var t Tweet
bytes, err := searchresponse.Hits.Hits[0].Source.MarshalJSON()
if err != nil {
log.Fatalf("err calling marshalJson:%v", err)
}
json.Unmarshal(bytes, t)
log.Printf("Search Found: %s", t)
response, _ = c.Get("twitter", "tweet", "1", nil)
log.Printf("Get: %v", response.Exists)
exists, _ := c.Exists("twitter", "tweet", "1", nil)
log.Printf("Exists: %v", exists)
c.Flush()
countResponse, _ := c.Count("twitter", "tweet", nil, nil)
log.Printf("Count: %v", countResponse.Count)
response, _ = c.Delete("twitter", "tweet", "1", map[string]interface{}{"version": -1, "routing": ""})
log.Printf("Delete OK: %v", response.Ok)
response, _ = c.Get("twitter", "tweet", "1", nil)
log.Printf("Get: %v", response.Exists)
healthResponse, _ := c.Health()
log.Printf("Health: %v", healthResponse.Status)
c.UpdateSettings("transient", "discovery.zen.minimum_master_nodes", 2)
}
func (e *Elasticsearch) setupClient() {
// set up the client, we need host(s), port, username, password, and scheme
client := elastigo.NewConn()
if e.uri.User != nil {
client.Username = e.uri.User.Username()
if password, set := e.uri.User.Password(); set {
client.Password = password
}
}
// we might have a port in the host bit
hostBits := strings.Split(e.uri.Host, ":")
if len(hostBits) > 1 {
client.SetPort(hostBits[1])
}
client.SetHosts(strings.Split(hostBits[0], ","))
client.Protocol = e.uri.Scheme
e.indexer = client.NewBulkIndexerErrors(10, 60)
}
func NewElasticsearchDatastore(cfg *config.DatastoreConfig, logger *simplelog.Logger) (*ElasticsearchDatastore, error) {
//logger.Info.Printf("HERE\n")
var (
ed = ElasticsearchDatastore{logger: logger}
err error
idxExists = false
)
typeCfg, err := ed.parseTypeConfig(cfg.TypeConfig)
if err != nil {
return &ed, err
}
ed.index = typeCfg.Index
ed.conn = elastigo.NewConn()
ed.conn.Domain = typeCfg.Host
ed.conn.Port = fmt.Sprintf("%d", typeCfg.Port)
//ed.conn.ExistsIndex(index, _type, args)
logger.Trace.Printf("Checking if index exists...\n")
idxExists, err = ed.conn.ExistsIndex(ed.index, "", nil)
//logger.Error.Println("exists=%s; err=%s", idxExists, err)
//logger.Error.Printf("%s\n", idxExists)
if err != nil {
if err.Error() == "record not found" {
idxExists = true
} else {
return &ed, fmt.Errorf("Failed index check: %s", err)
}
}
if !idxExists {
return &ed, ed.initializeIndex(typeCfg.MappingFile)
}
return &ed, nil
}
