diff options
Diffstat (limited to 'vendor/github.com/prometheus/client_golang/prometheus/push/deprecated.go')
| -rw-r--r-- | vendor/github.com/prometheus/client_golang/prometheus/push/deprecated.go | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/push/deprecated.go b/vendor/github.com/prometheus/client_golang/prometheus/push/deprecated.go deleted file mode 100644 index 3d62b5725..000000000 --- a/vendor/github.com/prometheus/client_golang/prometheus/push/deprecated.go +++ /dev/null @@ -1,172 +0,0 @@ -// Copyright 2018 The Prometheus Authors -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// 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 push - -// This file contains only deprecated code. Remove after v0.9 is released. - -import ( - "bytes" - "fmt" - "io/ioutil" - "net/http" - "net/url" - "os" - "strings" - - "github.com/prometheus/common/expfmt" - "github.com/prometheus/common/model" - - "github.com/prometheus/client_golang/prometheus" -) - -// FromGatherer triggers a metric collection by the provided Gatherer (which is -// usually implemented by a prometheus.Registry) and pushes all gathered metrics -// to the Pushgateway specified by url, using the provided job name and the -// (optional) further grouping labels (the grouping map may be nil). See the -// Pushgateway documentation for detailed implications of the job and other -// grouping labels. Neither the job name nor any grouping label value may -// contain a "/". The metrics pushed must not contain a job label of their own -// nor any of the grouping labels. -// -// You can use just host:port or ip:port as url, in which case 'http://' is -// added automatically. You can also include the schema in the URL. However, do -// not include the '/metrics/jobs/...' part. -// -// Note that all previously pushed metrics with the same job and other grouping -// labels will be replaced with the metrics pushed by this call. (It uses HTTP -// method 'PUT' to push to the Pushgateway.) -// -// Deprecated: Please use a Pusher created with New instead. -func FromGatherer(job string, grouping map[string]string, url string, g prometheus.Gatherer) error { - return push(job, grouping, url, g, "PUT") -} - -// AddFromGatherer works like FromGatherer, but only previously pushed metrics -// with the same name (and the same job and other grouping labels) will be -// replaced. (It uses HTTP method 'POST' to push to the Pushgateway.) -// -// Deprecated: Please use a Pusher created with New instead. -func AddFromGatherer(job string, grouping map[string]string, url string, g prometheus.Gatherer) error { - return push(job, grouping, url, g, "POST") -} - -func push(job string, grouping map[string]string, pushURL string, g prometheus.Gatherer, method string) error { - if !strings.Contains(pushURL, "://") { - pushURL = "http://" + pushURL - } - if strings.HasSuffix(pushURL, "/") { - pushURL = pushURL[:len(pushURL)-1] - } - - if strings.Contains(job, "/") { - return fmt.Errorf("job contains '/': %s", job) - } - urlComponents := []string{url.QueryEscape(job)} - for ln, lv := range grouping { - if !model.LabelName(ln).IsValid() { - return fmt.Errorf("grouping label has invalid name: %s", ln) - } - if strings.Contains(lv, "/") { - return fmt.Errorf("value of grouping label %s contains '/': %s", ln, lv) - } - urlComponents = append(urlComponents, ln, lv) - } - pushURL = fmt.Sprintf("%s/metrics/job/%s", pushURL, strings.Join(urlComponents, "/")) - - mfs, err := g.Gather() - if err != nil { - return err - } - buf := &bytes.Buffer{} - enc := expfmt.NewEncoder(buf, expfmt.FmtProtoDelim) - // Check for pre-existing grouping labels: - for _, mf := range mfs { - for _, m := range mf.GetMetric() { - for _, l := range m.GetLabel() { - if l.GetName() == "job" { - return fmt.Errorf("pushed metric %s (%s) already contains a job label", mf.GetName(), m) - } - if _, ok := grouping[l.GetName()]; ok { - return fmt.Errorf( - "pushed metric %s (%s) already contains grouping label %s", - mf.GetName(), m, l.GetName(), - ) - } - } - } - enc.Encode(mf) - } - req, err := http.NewRequest(method, pushURL, buf) - if err != nil { - return err - } - req.Header.Set(contentTypeHeader, string(expfmt.FmtProtoDelim)) - resp, err := http.DefaultClient.Do(req) - if err != nil { - return err - } - defer resp.Body.Close() - if resp.StatusCode != 202 { - body, _ := ioutil.ReadAll(resp.Body) // Ignore any further error as this is for an error message only. - return fmt.Errorf("unexpected status code %d while pushing to %s: %s", resp.StatusCode, pushURL, body) - } - return nil -} - -// Collectors works like FromGatherer, but it does not use a Gatherer. Instead, -// it collects from the provided collectors directly. It is a convenient way to -// push only a few metrics. -// -// Deprecated: Please use a Pusher created with New instead. -func Collectors(job string, grouping map[string]string, url string, collectors ...prometheus.Collector) error { - return pushCollectors(job, grouping, url, "PUT", collectors...) -} - -// AddCollectors works like AddFromGatherer, but it does not use a Gatherer. -// Instead, it collects from the provided collectors directly. It is a -// convenient way to push only a few metrics. -// -// Deprecated: Please use a Pusher created with New instead. -func AddCollectors(job string, grouping map[string]string, url string, collectors ...prometheus.Collector) error { - return pushCollectors(job, grouping, url, "POST", collectors...) -} - -func pushCollectors(job string, grouping map[string]string, url, method string, collectors ...prometheus.Collector) error { - r := prometheus.NewRegistry() - for _, collector := range collectors { - if err := r.Register(collector); err != nil { - return err - } - } - return push(job, grouping, url, r, method) -} - -// HostnameGroupingKey returns a label map with the only entry -// {instance="<hostname>"}. This can be conveniently used as the grouping -// parameter if metrics should be pushed with the hostname as label. The -// returned map is created upon each call so that the caller is free to add more -// labels to the map. -// -// Deprecated: Usually, metrics pushed to the Pushgateway should not be -// host-centric. (You would use https://github.com/prometheus/node_exporter in -// that case.) If you have the need to add the hostname to the grouping key, you -// are probably doing something wrong. See -// https://prometheus.io/docs/practices/pushing/ for details. -func HostnameGroupingKey() map[string]string { - hostname, err := os.Hostname() - if err != nil { - return map[string]string{"instance": "unknown"} - } - return map[string]string{"instance": hostname} -} |