func ExamplePushCollectors() {
hostname, _ := os.Hostname()
completionTime := prometheus.NewGauge(prometheus.GaugeOpts{
Name: "db_backup_last_completion_time",
Help: "The timestamp of the last succesful completion of a DB backup.",
})
completionTime.Set(float64(time.Now().Unix()))
if err := prometheus.PushCollectors(
"db_backup", hostname,
"http://pushgateway:9091",
completionTime,
); err != nil {
fmt.Println("Could not push completion time to Pushgateway:", err)
}
}
func ExampleGauge() {
opsQueued := prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "our_company",
Subsystem: "blob_storage",
Name: "ops_queued",
Help: "Number of blob storage operations waiting to be processed.",
})
prometheus.MustRegister(opsQueued)
// 10 operations queued by the goroutine managing incoming requests.
opsQueued.Add(10)
// A worker goroutine has picked up a waiting operation.
opsQueued.Dec()
// And once more...
opsQueued.Dec()
}
"github.com/coreos/mantle/Godeps/_workspace/src/github.com/coreos/etcd/pkg/runtime"
"github.com/coreos/mantle/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"
)
var (
// TODO: with label in v3?
proposeDurations = prometheus.NewSummary(prometheus.SummaryOpts{
Namespace: "etcd",
Subsystem: "server",
Name: "proposal_durations_milliseconds",
Help: "The latency distributions of committing proposal.",
})
proposePending = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "server",
Name: "pending_proposal_total",
Help: "The total number of pending proposals.",
})
// This is number of proposal failed in client's view.
// The proposal might be later got committed in raft.
proposeFailed = prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "etcd",
Subsystem: "server",
Name: "proposal_failed_total",
Help: "The total number of failed proposals.",
})
fileDescriptorUsed = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "server",
Name: "file_descriptors_used_total",
Name: "delete_total",
Help: "Total number of deletes seen by this member.",
})
txnCounter = prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: "etcd",
Subsystem: "storage",
Name: "txn_total",
Help: "Total number of txns seen by this member.",
})
keysGauge = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "storage",
Name: "keys_total",
Help: "Total number of keys.",
})
indexCompactionPauseDurations = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "storage",
Name: "index_compaction_pause_duration_milliseconds",
Help: "Bucketed histogram of index compaction puase duration.",
// 0.5ms -> 1second
Buckets: prometheus.ExponentialBuckets(0.5, 2, 12),
})
dbCompactionPauseDurations = prometheus.NewHistogram(
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package wal
import "github.com/coreos/mantle/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"
var (
syncDurations = prometheus.NewSummary(prometheus.SummaryOpts{
Namespace: "etcd",
Subsystem: "wal",
Name: "fsync_durations_microseconds",
Help: "The latency distributions of fsync called by wal.",
})
lastIndexSaved = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "wal",
Name: "last_index_saved",
Help: "The index of the last entry saved by wal.",
})
)
func init() {
prometheus.MustRegister(syncDurations)
prometheus.MustRegister(lastIndexSaved)
}
Name: "expires_total",
Help: "Total number of expired keys.",
})
watchRequests = prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: "etcd",
Subsystem: "store",
Name: "watch_requests_total",
Help: "Total number of incoming watch requests (new or reestablished).",
})
watcherCount = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "store",
Name: "watchers",
Help: "Count of currently active watchers.",
})
)
const (
GetRecursive = "getRecursive"
)
func init() {
prometheus.MustRegister(readCounter)
prometheus.MustRegister(writeCounter)
prometheus.MustRegister(expireCounter)
prometheus.MustRegister(watchRequests)
prometheus.MustRegister(watcherCount)