renaming plugins -> inputs
This commit is contained in:
Cameron Sparr
326
plugins/inputs/rabbitmq/rabbitmq.go
Normal file
326
plugins/inputs/rabbitmq/rabbitmq.go
Normal file
@@ -0,0 +1,326 @@
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package rabbitmq
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strconv"
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"time"
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"github.com/influxdb/telegraf/plugins/inputs"
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)
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const DefaultUsername = "guest"
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const DefaultPassword = "guest"
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const DefaultURL = "http://localhost:15672"
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type RabbitMQ struct {
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URL string
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Name string
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Username string
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Password string
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Nodes []string
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Queues []string
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Client *http.Client
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}
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type OverviewResponse struct {
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MessageStats *MessageStats `json:"message_stats"`
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ObjectTotals *ObjectTotals `json:"object_totals"`
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QueueTotals *QueueTotals `json:"queue_totals"`
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}
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type Details struct {
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Rate float64
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}
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type MessageStats struct {
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Ack int64
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AckDetails Details `json:"ack_details"`
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Deliver int64
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DeliverDetails Details `json:"deliver_details"`
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DeliverGet int64
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DeliverGetDetails Details `json:"deliver_get_details"`
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Publish int64
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PublishDetails Details `json:"publish_details"`
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Redeliver int64
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RedeliverDetails Details `json:"redeliver_details"`
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}
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type ObjectTotals struct {
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Channels int64
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Connections int64
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Consumers int64
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Exchanges int64
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Queues int64
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}
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type QueueTotals struct {
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Messages int64
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MessagesReady int64 `json:"messages_ready"`
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MessagesUnacknowledged int64 `json:"messages_unacknowledged"`
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}
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type Queue struct {
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QueueTotals // just to not repeat the same code
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MessageStats `json:"message_stats"`
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Memory int64
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Consumers int64
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ConsumerUtilisation float64 `json:"consumer_utilisation"`
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Name string
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Node string
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Vhost string
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Durable bool
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AutoDelete bool `json:"auto_delete"`
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}
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type Node struct {
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Name string
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DiskFree int64 `json:"disk_free"`
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DiskFreeLimit int64 `json:"disk_free_limit"`
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FdTotal int64 `json:"fd_total"`
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FdUsed int64 `json:"fd_used"`
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MemLimit int64 `json:"mem_limit"`
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MemUsed int64 `json:"mem_used"`
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ProcTotal int64 `json:"proc_total"`
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ProcUsed int64 `json:"proc_used"`
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RunQueue int64 `json:"run_queue"`
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SocketsTotal int64 `json:"sockets_total"`
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SocketsUsed int64 `json:"sockets_used"`
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}
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type gatherFunc func(r *RabbitMQ, acc inputs.Accumulator, errChan chan error)
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var gatherFunctions = []gatherFunc{gatherOverview, gatherNodes, gatherQueues}
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var sampleConfig = `
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url = "http://localhost:15672" # required
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# name = "rmq-server-1" # optional tag
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# username = "guest"
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# password = "guest"
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# A list of nodes to pull metrics about. If not specified, metrics for
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# all nodes are gathered.
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# nodes = ["rabbit@node1", "rabbit@node2"]
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`
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func (r *RabbitMQ) SampleConfig() string {
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return sampleConfig
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}
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func (r *RabbitMQ) Description() string {
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return "Read metrics from one or many RabbitMQ servers via the management API"
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}
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func (r *RabbitMQ) Gather(acc inputs.Accumulator) error {
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if r.Client == nil {
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r.Client = &http.Client{}
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}
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var errChan = make(chan error, len(gatherFunctions))
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for _, f := range gatherFunctions {
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go f(r, acc, errChan)
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}
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for i := 1; i <= len(gatherFunctions); i++ {
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err := <-errChan
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (r *RabbitMQ) requestJSON(u string, target interface{}) error {
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u = fmt.Sprintf("%s%s", r.URL, u)
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req, err := http.NewRequest("GET", u, nil)
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if err != nil {
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return err
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}
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username := r.Username
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if username == "" {
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username = DefaultUsername
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}
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password := r.Password
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if password == "" {
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password = DefaultPassword
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}
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req.SetBasicAuth(username, password)
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resp, err := r.Client.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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json.NewDecoder(resp.Body).Decode(target)
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return nil
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}
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func gatherOverview(r *RabbitMQ, acc inputs.Accumulator, errChan chan error) {
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overview := &OverviewResponse{}
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err := r.requestJSON("/api/overview", &overview)
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if err != nil {
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errChan <- err
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return
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}
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if overview.QueueTotals == nil || overview.ObjectTotals == nil || overview.MessageStats == nil {
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errChan <- fmt.Errorf("Wrong answer from rabbitmq. Probably auth issue")
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return
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}
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tags := map[string]string{"url": r.URL}
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if r.Name != "" {
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tags["name"] = r.Name
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}
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fields := map[string]interface{}{
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"messages": overview.QueueTotals.Messages,
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"messages_ready": overview.QueueTotals.MessagesReady,
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"messages_unacked": overview.QueueTotals.MessagesUnacknowledged,
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"channels": overview.ObjectTotals.Channels,
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"connections": overview.ObjectTotals.Connections,
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"consumers": overview.ObjectTotals.Consumers,
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"exchanges": overview.ObjectTotals.Exchanges,
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"queues": overview.ObjectTotals.Queues,
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"messages_acked": overview.MessageStats.Ack,
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"messages_delivered": overview.MessageStats.Deliver,
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"messages_published": overview.MessageStats.Publish,
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}
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acc.AddFields("rabbitmq_overview", fields, tags)
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errChan <- nil
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}
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func gatherNodes(r *RabbitMQ, acc inputs.Accumulator, errChan chan error) {
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nodes := make([]Node, 0)
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// Gather information about nodes
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err := r.requestJSON("/api/nodes", &nodes)
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if err != nil {
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errChan <- err
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return
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}
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now := time.Now()
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for _, node := range nodes {
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if !r.shouldGatherNode(node) {
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continue
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}
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tags := map[string]string{"url": r.URL}
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tags["node"] = node.Name
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fields := map[string]interface{}{
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"disk_free": node.DiskFree,
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"disk_free_limit": node.DiskFreeLimit,
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"fd_total": node.FdTotal,
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"fd_used": node.FdUsed,
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"mem_limit": node.MemLimit,
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"mem_used": node.MemUsed,
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"proc_total": node.ProcTotal,
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"proc_used": node.ProcUsed,
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"run_queue": node.RunQueue,
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"sockets_total": node.SocketsTotal,
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"sockets_used": node.SocketsUsed,
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}
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acc.AddFields("rabbitmq_node", fields, tags, now)
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}
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errChan <- nil
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}
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func gatherQueues(r *RabbitMQ, acc inputs.Accumulator, errChan chan error) {
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// Gather information about queues
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queues := make([]Queue, 0)
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err := r.requestJSON("/api/queues", &queues)
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if err != nil {
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errChan <- err
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return
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}
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for _, queue := range queues {
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if !r.shouldGatherQueue(queue) {
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continue
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}
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tags := map[string]string{
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"url": r.URL,
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"queue": queue.Name,
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"vhost": queue.Vhost,
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"node": queue.Node,
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"durable": strconv.FormatBool(queue.Durable),
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"auto_delete": strconv.FormatBool(queue.AutoDelete),
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}
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acc.AddFields(
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"rabbitmq_queue",
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map[string]interface{}{
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// common information
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"consumers": queue.Consumers,
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"consumer_utilisation": queue.ConsumerUtilisation,
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"memory": queue.Memory,
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// messages information
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"messages": queue.Messages,
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"messages_ready": queue.MessagesReady,
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"messages_unack": queue.MessagesUnacknowledged,
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"messages_ack": queue.MessageStats.Ack,
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"messages_ack_rate": queue.MessageStats.AckDetails.Rate,
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"messages_deliver": queue.MessageStats.Deliver,
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"messages_deliver_rate": queue.MessageStats.DeliverDetails.Rate,
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"messages_deliver_get": queue.MessageStats.DeliverGet,
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"messages_deliver_get_rate": queue.MessageStats.DeliverGetDetails.Rate,
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"messages_publish": queue.MessageStats.Publish,
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"messages_publish_rate": queue.MessageStats.PublishDetails.Rate,
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"messages_redeliver": queue.MessageStats.Redeliver,
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"messages_redeliver_rate": queue.MessageStats.RedeliverDetails.Rate,
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},
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tags,
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)
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}
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errChan <- nil
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}
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func (r *RabbitMQ) shouldGatherNode(node Node) bool {
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if len(r.Nodes) == 0 {
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return true
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}
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for _, name := range r.Nodes {
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if name == node.Name {
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return true
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}
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}
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return false
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}
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func (r *RabbitMQ) shouldGatherQueue(queue Queue) bool {
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if len(r.Queues) == 0 {
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return true
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}
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for _, name := range r.Queues {
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if name == queue.Name {
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return true
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}
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}
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return false
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}
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func init() {
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inputs.Add("rabbitmq", func() inputs.Input {
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return &RabbitMQ{}
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})
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}
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444
plugins/inputs/rabbitmq/rabbitmq_test.go
Normal file
444
plugins/inputs/rabbitmq/rabbitmq_test.go
Normal file
@@ -0,0 +1,444 @@
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package rabbitmq
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/influxdb/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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const sampleOverviewResponse = `
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{
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"message_stats": {
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"ack": 5246,
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"ack_details": {
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"rate": 0.0
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},
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"deliver": 5246,
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"deliver_details": {
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"rate": 0.0
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},
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"deliver_get": 5246,
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"deliver_get_details": {
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"rate": 0.0
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},
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"publish": 5258,
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"publish_details": {
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"rate": 0.0
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}
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},
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"object_totals": {
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"channels": 44,
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"connections": 44,
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"consumers": 65,
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"exchanges": 43,
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"queues": 62
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},
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"queue_totals": {
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"messages": 0,
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"messages_details": {
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"rate": 0.0
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},
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"messages_ready": 0,
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"messages_ready_details": {
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"rate": 0.0
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},
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"messages_unacknowledged": 0,
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"messages_unacknowledged_details": {
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"rate": 0.0
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}
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}
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}
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`
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const sampleNodesResponse = `
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[
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{
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"db_dir": "/var/lib/rabbitmq/mnesia/rabbit@vagrant-ubuntu-trusty-64",
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"disk_free": 37768282112,
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"disk_free_alarm": false,
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"disk_free_details": {
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"rate": 0.0
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},
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"disk_free_limit": 50000000,
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"enabled_plugins": [
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"rabbitmq_management"
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],
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"fd_total": 1024,
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"fd_used": 63,
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"fd_used_details": {
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"rate": 0.0
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},
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"io_read_avg_time": 0,
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"io_read_avg_time_details": {
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"rate": 0.0
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},
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"io_read_bytes": 1,
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"io_read_bytes_details": {
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"rate": 0.0
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},
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"io_read_count": 1,
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"io_read_count_details": {
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"rate": 0.0
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},
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"io_sync_avg_time": 0,
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"io_sync_avg_time_details": {
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"rate": 0.0
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},
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"io_write_avg_time": 0,
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"io_write_avg_time_details": {
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"rate": 0.0
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},
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"log_file": "/var/log/rabbitmq/rabbit@vagrant-ubuntu-trusty-64.log",
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"mem_alarm": false,
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"mem_limit": 2503771750,
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"mem_used": 159707080,
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"mem_used_details": {
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"rate": 15185.6
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},
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"mnesia_disk_tx_count": 16,
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"mnesia_disk_tx_count_details": {
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"rate": 0.0
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},
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"mnesia_ram_tx_count": 296,
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"mnesia_ram_tx_count_details": {
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"rate": 0.0
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},
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"name": "rabbit@vagrant-ubuntu-trusty-64",
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"net_ticktime": 60,
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"os_pid": "14244",
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"partitions": [],
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"proc_total": 1048576,
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"proc_used": 783,
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"proc_used_details": {
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"rate": 0.0
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},
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"processors": 1,
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"rates_mode": "basic",
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"run_queue": 0,
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"running": true,
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"sasl_log_file": "/var/log/rabbitmq/rabbit@vagrant-ubuntu-trusty-64-sasl.log",
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"sockets_total": 829,
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"sockets_used": 45,
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"sockets_used_details": {
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"rate": 0.0
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},
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"type": "disc",
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"uptime": 7464827
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}
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]
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`
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const sampleQueuesResponse = `
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[
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{
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"memory": 21960,
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"messages": 0,
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"messages_details": {
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"rate": 0
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},
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"messages_ready": 0,
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"messages_ready_details": {
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"rate": 0
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},
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"messages_unacknowledged": 0,
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"messages_unacknowledged_details": {
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"rate": 0
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},
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"idle_since": "2015-11-01 8:22:15",
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"consumer_utilisation": "",
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"policy": "federator",
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"exclusive_consumer_tag": "",
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"consumers": 0,
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"recoverable_slaves": "",
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"state": "running",
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"messages_ram": 0,
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"messages_ready_ram": 0,
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"messages_unacknowledged_ram": 0,
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"messages_persistent": 0,
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"message_bytes": 0,
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"message_bytes_ready": 0,
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"message_bytes_unacknowledged": 0,
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"message_bytes_ram": 0,
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"message_bytes_persistent": 0,
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"disk_reads": 0,
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||||
"disk_writes": 0,
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||||
"backing_queue_status": {
|
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"q1": 0,
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"q2": 0,
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"delta": [
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||||
"delta",
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"undefined",
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0,
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||||
"undefined"
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||||
],
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"q3": 0,
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||||
"q4": 0,
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"len": 0,
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"target_ram_count": "infinity",
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||||
"next_seq_id": 0,
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"avg_ingress_rate": 0,
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||||
"avg_egress_rate": 0,
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||||
"avg_ack_ingress_rate": 0,
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||||
"avg_ack_egress_rate": 0
|
||||
},
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||||
"name": "collectd-queue",
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||||
"vhost": "collectd",
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||||
"durable": true,
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||||
"auto_delete": false,
|
||||
"arguments": {},
|
||||
"node": "rabbit@testhost"
|
||||
},
|
||||
{
|
||||
"memory": 55528,
|
||||
"message_stats": {
|
||||
"ack": 223654927,
|
||||
"ack_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"deliver": 224518745,
|
||||
"deliver_details": {
|
||||
"rate": 0
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||||
},
|
||||
"deliver_get": 224518829,
|
||||
"deliver_get_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"get": 19,
|
||||
"get_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"get_no_ack": 65,
|
||||
"get_no_ack_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"publish": 223883765,
|
||||
"publish_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"redeliver": 863805,
|
||||
"redeliver_details": {
|
||||
"rate": 0
|
||||
}
|
||||
},
|
||||
"messages": 24,
|
||||
"messages_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"messages_ready": 24,
|
||||
"messages_ready_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"messages_unacknowledged": 0,
|
||||
"messages_unacknowledged_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"idle_since": "2015-11-01 8:22:14",
|
||||
"consumer_utilisation": "",
|
||||
"policy": "",
|
||||
"exclusive_consumer_tag": "",
|
||||
"consumers": 0,
|
||||
"recoverable_slaves": "",
|
||||
"state": "running",
|
||||
"messages_ram": 24,
|
||||
"messages_ready_ram": 24,
|
||||
"messages_unacknowledged_ram": 0,
|
||||
"messages_persistent": 0,
|
||||
"message_bytes": 149220,
|
||||
"message_bytes_ready": 149220,
|
||||
"message_bytes_unacknowledged": 0,
|
||||
"message_bytes_ram": 149220,
|
||||
"message_bytes_persistent": 0,
|
||||
"disk_reads": 0,
|
||||
"disk_writes": 0,
|
||||
"backing_queue_status": {
|
||||
"q1": 0,
|
||||
"q2": 0,
|
||||
"delta": [
|
||||
"delta",
|
||||
"undefined",
|
||||
0,
|
||||
"undefined"
|
||||
],
|
||||
"q3": 0,
|
||||
"q4": 24,
|
||||
"len": 24,
|
||||
"target_ram_count": "infinity",
|
||||
"next_seq_id": 223883765,
|
||||
"avg_ingress_rate": 0,
|
||||
"avg_egress_rate": 0,
|
||||
"avg_ack_ingress_rate": 0,
|
||||
"avg_ack_egress_rate": 0
|
||||
},
|
||||
"name": "telegraf",
|
||||
"vhost": "collectd",
|
||||
"durable": true,
|
||||
"auto_delete": false,
|
||||
"arguments": {},
|
||||
"node": "rabbit@testhost"
|
||||
},
|
||||
{
|
||||
"message_stats": {
|
||||
"ack": 1296077,
|
||||
"ack_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"deliver": 1513176,
|
||||
"deliver_details": {
|
||||
"rate": 0.4
|
||||
},
|
||||
"deliver_get": 1513239,
|
||||
"deliver_get_details": {
|
||||
"rate": 0.4
|
||||
},
|
||||
"disk_writes": 7976,
|
||||
"disk_writes_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"get": 40,
|
||||
"get_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"get_no_ack": 23,
|
||||
"get_no_ack_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"publish": 1325628,
|
||||
"publish_details": {
|
||||
"rate": 0.4
|
||||
},
|
||||
"redeliver": 216034,
|
||||
"redeliver_details": {
|
||||
"rate": 0
|
||||
}
|
||||
},
|
||||
"messages": 5,
|
||||
"messages_details": {
|
||||
"rate": 0.4
|
||||
},
|
||||
"messages_ready": 0,
|
||||
"messages_ready_details": {
|
||||
"rate": 0
|
||||
},
|
||||
"messages_unacknowledged": 5,
|
||||
"messages_unacknowledged_details": {
|
||||
"rate": 0.4
|
||||
},
|
||||
"policy": "federator",
|
||||
"exclusive_consumer_tag": "",
|
||||
"consumers": 1,
|
||||
"consumer_utilisation": 1,
|
||||
"memory": 122856,
|
||||
"recoverable_slaves": "",
|
||||
"state": "running",
|
||||
"messages_ram": 5,
|
||||
"messages_ready_ram": 0,
|
||||
"messages_unacknowledged_ram": 5,
|
||||
"messages_persistent": 0,
|
||||
"message_bytes": 150096,
|
||||
"message_bytes_ready": 0,
|
||||
"message_bytes_unacknowledged": 150096,
|
||||
"message_bytes_ram": 150096,
|
||||
"message_bytes_persistent": 0,
|
||||
"disk_reads": 0,
|
||||
"disk_writes": 7976,
|
||||
"backing_queue_status": {
|
||||
"q1": 0,
|
||||
"q2": 0,
|
||||
"delta": [
|
||||
"delta",
|
||||
"undefined",
|
||||
0,
|
||||
"undefined"
|
||||
],
|
||||
"q3": 0,
|
||||
"q4": 0,
|
||||
"len": 0,
|
||||
"target_ram_count": "infinity",
|
||||
"next_seq_id": 1325628,
|
||||
"avg_ingress_rate": 0.19115840579934168,
|
||||
"avg_egress_rate": 0.19115840579934168,
|
||||
"avg_ack_ingress_rate": 0.19115840579934168,
|
||||
"avg_ack_egress_rate": 0.1492766485341716
|
||||
},
|
||||
"name": "telegraf",
|
||||
"vhost": "metrics",
|
||||
"durable": true,
|
||||
"auto_delete": false,
|
||||
"arguments": {},
|
||||
"node": "rabbit@testhost"
|
||||
}
|
||||
]
|
||||
`
|
||||
|
||||
func TestRabbitMQGeneratesMetrics(t *testing.T) {
|
||||
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
var rsp string
|
||||
|
||||
switch r.URL.Path {
|
||||
case "/api/overview":
|
||||
rsp = sampleOverviewResponse
|
||||
case "/api/nodes":
|
||||
rsp = sampleNodesResponse
|
||||
case "/api/queues":
|
||||
rsp = sampleQueuesResponse
|
||||
default:
|
||||
panic("Cannot handle request")
|
||||
}
|
||||
|
||||
fmt.Fprintln(w, rsp)
|
||||
}))
|
||||
defer ts.Close()
|
||||
|
||||
r := &RabbitMQ{
|
||||
URL: ts.URL,
|
||||
}
|
||||
|
||||
var acc testutil.Accumulator
|
||||
|
||||
err := r.Gather(&acc)
|
||||
require.NoError(t, err)
|
||||
|
||||
intMetrics := []string{
|
||||
"messages",
|
||||
"messages_ready",
|
||||
"messages_unacked",
|
||||
|
||||
"messages_acked",
|
||||
"messages_delivered",
|
||||
"messages_published",
|
||||
|
||||
"channels",
|
||||
"connections",
|
||||
"consumers",
|
||||
"exchanges",
|
||||
"queues",
|
||||
}
|
||||
|
||||
for _, metric := range intMetrics {
|
||||
assert.True(t, acc.HasIntField("rabbitmq_overview", metric))
|
||||
}
|
||||
|
||||
nodeIntMetrics := []string{
|
||||
"disk_free",
|
||||
"disk_free_limit",
|
||||
"fd_total",
|
||||
"fd_used",
|
||||
"mem_limit",
|
||||
"mem_used",
|
||||
"proc_total",
|
||||
"proc_used",
|
||||
"run_queue",
|
||||
"sockets_total",
|
||||
"sockets_used",
|
||||
}
|
||||
|
||||
for _, metric := range nodeIntMetrics {
|
||||
assert.True(t, acc.HasIntField("rabbitmq_node", metric))
|
||||
}
|
||||
|
||||
assert.True(t, acc.HasMeasurement("rabbitmq_queue"))
|
||||
}
|
||||
Reference in New Issue
Block a user