284 lines
7.3 KiB
Go
284 lines
7.3 KiB
Go
package rabbithole
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import (
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"encoding/json"
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"net/http"
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"net/url"
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)
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// Information about backing queue (queue storage engine).
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type BackingQueueStatus struct {
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Q1 int `json:"q1"`
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Q2 int `json:"q2"`
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Q3 int `json:"q3"`
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Q4 int `json:"q4"`
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// Total queue length
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Length int64 `json:"len"`
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// Number of pending acks from consumers
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PendingAcks int64 `json:"pending_acks"`
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// Number of messages held in RAM
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RAMMessageCount int64 `json:"ram_msg_count"`
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// Number of outstanding acks held in RAM
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RAMAckCount int64 `json:"ram_ack_count"`
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// Number of persistent messages in the store
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PersistentCount int64 `json:"persistent_count"`
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// Average ingress (inbound) rate, not including messages
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// that straight through to auto-acking consumers.
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AverageIngressRate float64 `json:"avg_ingress_rate"`
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// Average egress (outbound) rate, not including messages
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// that straight through to auto-acking consumers.
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AverageEgressRate float64 `json:"avg_egress_rate"`
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// rate at which unacknowledged message records enter RAM,
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// e.g. because messages are delivered requiring acknowledgement
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AverageAckIngressRate float32 `json:"avg_ack_ingress_rate"`
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// rate at which unacknowledged message records leave RAM,
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// e.g. because acks arrive or unacked messages are paged out
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AverageAckEgressRate float32 `json:"avg_ack_egress_rate"`
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}
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type OwnerPidDetails struct {
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Name string `json:"name"`
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PeerPort Port `json:"peer_port"`
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PeerHost string `json:"peer_host"`
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}
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type QueueInfo struct {
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// Queue name
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Name string `json:"name"`
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// Virtual host this queue belongs to
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Vhost string `json:"vhost"`
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// Is this queue durable?
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Durable bool `json:"durable"`
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// Is this queue auto-delted?
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AutoDelete bool `json:"auto_delete"`
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// Extra queue arguments
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Arguments map[string]interface{} `json:"arguments"`
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// RabbitMQ node that hosts master for this queue
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Node string `json:"node"`
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// Queue status
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Status string `json:"status"`
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// Total amount of RAM used by this queue
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Memory int64 `json:"memory"`
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// How many consumers this queue has
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Consumers int `json:"consumers"`
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// Utilisation of all the consumers
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ConsumerUtilisation float64 `json:"consumer_utilisation"`
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// If there is an exclusive consumer, its consumer tag
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ExclusiveConsumerTag string `json:"exclusive_consumer_tag"`
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// Policy applied to this queue, if any
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Policy string `json:"policy"`
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// Total bytes of messages in this queues
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MessagesBytes int64 `json:"message_bytes"`
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MessagesBytesPersistent int64 `json:"message_bytes_persistent"`
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MessagesBytesRAM int64 `json:"message_bytes_ram"`
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// Total number of messages in this queue
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Messages int `json:"messages"`
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MessagesDetails RateDetails `json:"messages_details"`
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MessagesPersistent int `json:"messages_persistent"`
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MessagesRAM int `json:"messages_ram"`
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// Number of messages ready to be delivered
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MessagesReady int `json:"messages_ready"`
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MessagesReadyDetails RateDetails `json:"messages_ready_details"`
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// Number of messages delivered and pending acknowledgements from consumers
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MessagesUnacknowledged int `json:"messages_unacknowledged"`
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MessagesUnacknowledgedDetails RateDetails `json:"messages_unacknowledged_details"`
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MessageStats MessageStats `json:"message_stats"`
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OwnerPidDetails OwnerPidDetails `json:"owner_pid_details"`
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BackingQueueStatus BackingQueueStatus `json:"backing_queue_status"`
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}
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type DetailedQueueInfo QueueInfo
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//
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// GET /api/queues
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//
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// [
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// {
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// "owner_pid_details": {
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// "name": "127.0.0.1:46928 -> 127.0.0.1:5672",
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// "peer_port": 46928,
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// "peer_host": "127.0.0.1"
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// },
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// "message_stats": {
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// "publish": 19830,
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// "publish_details": {
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// "rate": 5
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// }
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// },
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// "messages": 15,
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// "messages_details": {
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// "rate": 0
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// },
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// "messages_ready": 15,
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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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// "policy": "",
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// "exclusive_consumer_tag": "",
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// "consumers": 0,
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// "memory": 143112,
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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": 15,
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// "len": 15,
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// "pending_acks": 0,
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// "target_ram_count": "infinity",
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// "ram_msg_count": 15,
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// "ram_ack_count": 0,
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// "next_seq_id": 19830,
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// "persistent_count": 0,
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// "avg_ingress_rate": 4.9920127795527,
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// "avg_egress_rate": 4.9920127795527,
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// "avg_ack_ingress_rate": 0,
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// "avg_ack_egress_rate": 0
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// },
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// "status": "running",
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// "name": "amq.gen-QLEaT5Rn_ogbN3O8ZOQt3Q",
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// "vhost": "rabbit\/hole",
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// "durable": false,
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// "auto_delete": false,
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// "arguments": {
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// "x-message-ttl": 5000
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// },
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// "node": "rabbit@marzo"
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// }
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// ]
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func (c *Client) ListQueues() (rec []QueueInfo, err error) {
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req, err := newGETRequest(c, "queues")
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if err != nil {
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return []QueueInfo{}, err
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}
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if err = executeAndParseRequest(c, req, &rec); err != nil {
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return []QueueInfo{}, err
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}
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return rec, nil
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}
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//
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// GET /api/queues/{vhost}
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//
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func (c *Client) ListQueuesIn(vhost string) (rec []QueueInfo, err error) {
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req, err := newGETRequest(c, "queues/"+url.QueryEscape(vhost))
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if err != nil {
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return []QueueInfo{}, err
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}
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if err = executeAndParseRequest(c, req, &rec); err != nil {
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return []QueueInfo{}, err
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}
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return rec, nil
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}
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//
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// GET /api/queues/{vhost}/{name}
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//
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func (c *Client) GetQueue(vhost, queue string) (rec *DetailedQueueInfo, err error) {
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req, err := newGETRequest(c, "queues/"+url.QueryEscape(vhost)+"/"+queue)
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if err != nil {
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return nil, err
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}
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if err = executeAndParseRequest(c, req, &rec); err != nil {
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return nil, err
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}
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return rec, nil
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}
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//
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// PUT /api/exchanges/{vhost}/{exchange}
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//
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type QueueSettings struct {
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Durable bool `json:"durable"`
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AutoDelete bool `json:"auto_delete"`
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Arguments map[string]interface{} `json:"arguments"`
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}
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func (c *Client) DeclareQueue(vhost, queue string, info QueueSettings) (res *http.Response, err error) {
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if info.Arguments == nil {
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info.Arguments = make(map[string]interface{})
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}
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body, err := json.Marshal(info)
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if err != nil {
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return nil, err
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}
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req, err := newRequestWithBody(c, "PUT", "queues/"+url.QueryEscape(vhost)+"/"+url.QueryEscape(queue), body)
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if err != nil {
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return nil, err
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}
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res, err = executeRequest(c, req)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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//
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// DELETE /api/queues/{vhost}/{name}
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//
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func (c *Client) DeleteQueue(vhost, queue string) (res *http.Response, err error) {
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req, err := newRequestWithBody(c, "DELETE", "queues/"+url.QueryEscape(vhost)+"/"+url.QueryEscape(queue), nil)
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if err != nil {
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return nil, err
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}
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res, err = executeRequest(c, req)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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//
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// DELETE /api/queues/{vhost}/{name}/contents
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//
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func (c *Client) PurgeQueue(vhost, queue string) (res *http.Response, err error) {
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req, err := newRequestWithBody(c, "DELETE", "queues/"+url.QueryEscape(vhost)+"/"+url.QueryEscape(queue)+"/contents", nil)
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if err != nil {
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return nil, err
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}
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res, err = executeRequest(c, req)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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