Adding upstream version 1.34.4.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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4963 changed files with 677545 additions and 0 deletions
285
plugins/inputs/activemq/activemq.go
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285
plugins/inputs/activemq/activemq.go
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//go:generate ../../../tools/readme_config_includer/generator
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package activemq
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import (
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_ "embed"
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"encoding/xml"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"path"
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"strconv"
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"strings"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/config"
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"github.com/influxdata/telegraf/plugins/common/tls"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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//go:embed sample.conf
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var sampleConfig string
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type ActiveMQ struct {
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Server string `toml:"server" deprecated:"1.11.0;use 'url' instead"`
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Port int `toml:"port" deprecated:"1.11.0;use 'url' instead"`
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URL string `toml:"url"`
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Username string `toml:"username"`
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Password string `toml:"password"`
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Webadmin string `toml:"webadmin"`
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ResponseTimeout config.Duration `toml:"response_timeout"`
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tls.ClientConfig
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client *http.Client
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baseURL *url.URL
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}
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type topics struct {
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XMLName xml.Name `xml:"topics"`
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TopicItems []topic `xml:"topic"`
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}
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type topic struct {
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XMLName xml.Name `xml:"topic"`
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Name string `xml:"name,attr"`
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Stats stats `xml:"stats"`
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}
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type subscribers struct {
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XMLName xml.Name `xml:"subscribers"`
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SubscriberItems []subscriber `xml:"subscriber"`
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}
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type subscriber struct {
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XMLName xml.Name `xml:"subscriber"`
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ClientID string `xml:"clientId,attr"`
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SubscriptionName string `xml:"subscriptionName,attr"`
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ConnectionID string `xml:"connectionId,attr"`
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DestinationName string `xml:"destinationName,attr"`
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Selector string `xml:"selector,attr"`
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Active string `xml:"active,attr"`
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Stats stats `xml:"stats"`
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}
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type queues struct {
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XMLName xml.Name `xml:"queues"`
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QueueItems []queue `xml:"queue"`
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}
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type queue struct {
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XMLName xml.Name `xml:"queue"`
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Name string `xml:"name,attr"`
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Stats stats `xml:"stats"`
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}
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type stats struct {
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XMLName xml.Name `xml:"stats"`
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Size int `xml:"size,attr"`
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ConsumerCount int `xml:"consumerCount,attr"`
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EnqueueCount int `xml:"enqueueCount,attr"`
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DequeueCount int `xml:"dequeueCount,attr"`
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PendingQueueSize int `xml:"pendingQueueSize,attr"`
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DispatchedQueueSize int `xml:"dispatchedQueueSize,attr"`
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DispatchedCounter int `xml:"dispatchedCounter,attr"`
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EnqueueCounter int `xml:"enqueueCounter,attr"`
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DequeueCounter int `xml:"dequeueCounter,attr"`
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}
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func (*ActiveMQ) SampleConfig() string {
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return sampleConfig
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}
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func (a *ActiveMQ) Init() error {
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if a.ResponseTimeout < config.Duration(time.Second) {
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a.ResponseTimeout = config.Duration(time.Second * 5)
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}
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var err error
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u := &url.URL{Scheme: "http", Host: a.Server + ":" + strconv.Itoa(a.Port)}
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if a.URL != "" {
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u, err = url.Parse(a.URL)
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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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if !strings.HasPrefix(u.Scheme, "http") {
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return fmt.Errorf("invalid scheme %q", u.Scheme)
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}
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if u.Hostname() == "" {
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return fmt.Errorf("invalid hostname %q", u.Hostname())
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}
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a.baseURL = u
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a.client, err = a.createHTTPClient()
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if err != nil {
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return err
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}
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return nil
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}
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func (a *ActiveMQ) Gather(acc telegraf.Accumulator) error {
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dataQueues, err := a.getMetrics(a.queuesURL())
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if err != nil {
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return err
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}
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queues := queues{}
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err = xml.Unmarshal(dataQueues, &queues)
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if err != nil {
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return fmt.Errorf("queues XML unmarshal error: %w", err)
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}
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dataTopics, err := a.getMetrics(a.topicsURL())
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if err != nil {
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return err
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}
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topics := topics{}
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err = xml.Unmarshal(dataTopics, &topics)
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if err != nil {
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return fmt.Errorf("topics XML unmarshal error: %w", err)
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}
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dataSubscribers, err := a.getMetrics(a.subscribersURL())
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if err != nil {
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return err
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}
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subscribers := subscribers{}
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err = xml.Unmarshal(dataSubscribers, &subscribers)
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if err != nil {
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return fmt.Errorf("subscribers XML unmarshal error: %w", err)
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}
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a.gatherQueuesMetrics(acc, queues)
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a.gatherTopicsMetrics(acc, topics)
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a.gatherSubscribersMetrics(acc, subscribers)
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return nil
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}
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func (a *ActiveMQ) createHTTPClient() (*http.Client, error) {
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tlsCfg, err := a.ClientConfig.TLSConfig()
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if err != nil {
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return nil, err
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}
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client := &http.Client{
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Transport: &http.Transport{
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TLSClientConfig: tlsCfg,
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},
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Timeout: time.Duration(a.ResponseTimeout),
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}
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return client, nil
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}
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func (a *ActiveMQ) getMetrics(u string) ([]byte, error) {
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req, err := http.NewRequest("GET", u, nil)
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if err != nil {
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return nil, err
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}
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if a.Username != "" || a.Password != "" {
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req.SetBasicAuth(a.Username, a.Password)
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}
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resp, err := a.client.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("%s returned HTTP status %s", u, resp.Status)
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}
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return io.ReadAll(resp.Body)
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}
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func (a *ActiveMQ) gatherQueuesMetrics(acc telegraf.Accumulator, queues queues) {
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for _, queue := range queues.QueueItems {
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records := make(map[string]interface{})
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tags := make(map[string]string)
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tags["name"] = strings.TrimSpace(queue.Name)
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tags["source"] = a.baseURL.Hostname()
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tags["port"] = a.baseURL.Port()
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records["size"] = queue.Stats.Size
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records["consumer_count"] = queue.Stats.ConsumerCount
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records["enqueue_count"] = queue.Stats.EnqueueCount
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records["dequeue_count"] = queue.Stats.DequeueCount
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acc.AddFields("activemq_queues", records, tags)
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}
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}
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func (a *ActiveMQ) gatherTopicsMetrics(acc telegraf.Accumulator, topics topics) {
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for _, topic := range topics.TopicItems {
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records := make(map[string]interface{})
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tags := make(map[string]string)
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tags["name"] = topic.Name
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tags["source"] = a.baseURL.Hostname()
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tags["port"] = a.baseURL.Port()
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records["size"] = topic.Stats.Size
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records["consumer_count"] = topic.Stats.ConsumerCount
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records["enqueue_count"] = topic.Stats.EnqueueCount
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records["dequeue_count"] = topic.Stats.DequeueCount
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acc.AddFields("activemq_topics", records, tags)
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}
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}
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func (a *ActiveMQ) gatherSubscribersMetrics(acc telegraf.Accumulator, subscribers subscribers) {
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for _, subscriber := range subscribers.SubscriberItems {
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records := make(map[string]interface{})
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tags := make(map[string]string)
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tags["client_id"] = subscriber.ClientID
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tags["subscription_name"] = subscriber.SubscriptionName
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tags["connection_id"] = subscriber.ConnectionID
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tags["destination_name"] = subscriber.DestinationName
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tags["selector"] = subscriber.Selector
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tags["active"] = subscriber.Active
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tags["source"] = a.baseURL.Hostname()
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tags["port"] = a.baseURL.Port()
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records["pending_queue_size"] = subscriber.Stats.PendingQueueSize
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records["dispatched_queue_size"] = subscriber.Stats.DispatchedQueueSize
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records["dispatched_counter"] = subscriber.Stats.DispatchedCounter
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records["enqueue_counter"] = subscriber.Stats.EnqueueCounter
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records["dequeue_counter"] = subscriber.Stats.DequeueCounter
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acc.AddFields("activemq_subscribers", records, tags)
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}
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}
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func (a *ActiveMQ) queuesURL() string {
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ref := url.URL{Path: path.Join("/", a.Webadmin, "/xml/queues.jsp")}
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return a.baseURL.ResolveReference(&ref).String()
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}
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func (a *ActiveMQ) topicsURL() string {
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ref := url.URL{Path: path.Join("/", a.Webadmin, "/xml/topics.jsp")}
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return a.baseURL.ResolveReference(&ref).String()
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}
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func (a *ActiveMQ) subscribersURL() string {
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ref := url.URL{Path: path.Join("/", a.Webadmin, "/xml/subscribers.jsp")}
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return a.baseURL.ResolveReference(&ref).String()
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}
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func init() {
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inputs.Add("activemq", func() telegraf.Input {
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return &ActiveMQ{
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Server: "localhost",
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Port: 8161,
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Webadmin: "admin",
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}
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})
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}
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