Prometheus hostname label example

Prometheus hostname label example. Templates have the ability to run queries against the local database Jun 17, 2020 · How to combine them together to rename or replace multiple labels at the same time in prometheus? replace; label; monitoring; prometheus; grafana; Share. " action: labelmap_all replaces all the regex occurrences in all the label names with the replacement. We do use relabel_configs for some of our metrics, but this Feb 14, 2018 · 0. 1'] labels : instance : OPS-Zabbix-Server Oct 7, 2021 · You can use metric_relabel_configs to rewrite labels after scraping. That could be fine, but sometimes you'd like a more meaningful value on your graphs and dashboards. # Attach the label monitor=dev-monitor to all scraped time series scraped by this server. Nothing fancy, and works fine. springframework. 5. stereotype To specify which configuration file to load, use the --config. . To enable Ceph to output properly-labeled data relating to any host, use the honor_labels setting when adding the ceph-mgr endpoints to your prometheus configuration. f. Aug 28, 2019 · Prometheus relabel configs are notoriously badly documented, so here’s how to do something simple that I couldn’t find documented anywhere: How to add a label to all metrics coming from a specific scrape target. The optional to_nearest argument allows specifying the nearest multiple to which the sample values should be rounded. Prometheus supports templating in the annotations and labels of alerts, as well as in served console pages. example. , a data point) within a series. It merely adds a leading _ (indicating that this manually set) and a dummy :0 port to be removed again later. static_configs: - targets: - server1. Problem. You switched accounts on another tab or window. The relevant configuration looks like this: Sep 1, 2022 · For example, the following relabeling rule replaces all the - chars with . but now I would like to label the instances with additional static labels, like the server1 and server2 with "database" and server3 with "mail" and maybe server1 additionally Jan 14, 2021 · Name of the ServiceMonitor to create. 2. 4:5670 Jun 21, 2022 · I want to monitor different servers with Prometheus fed by exporters like node-exporter or postgres-exporter. May 7, 2016 · our prometheus config is maintained by chef, and uses the simple <target_group> config option. into eg. ## If no label is specified, the service name is used. May 1, 2022 · You signed in with another tab or window. Brackets indicate that a parameter is optional. Let us see the function usage, label_replace(v instant-vector, dst_label string, replacement string, src_label string, regex string) v is instant time series; dst_label is the new label name; replacement is regex against the value of the label src_label for using the string in new label name Monitoring Linux host metrics with the Node Exporter. kill -s USR1 <pid_of_vault>. Here are examples of this value disabled and enabled: Dec 10, 2020 · Each of those prometheus instances sends the alerts to a common alertmanager instance. For example, an API server job with four replicated instances: job: api-server. yml. ”. file_sd_config is a more generic way to configure static targets. You signed out in another tab or window. SchedulerTask - sync process started on 2022-12-21T06:48:00. Apr 1, 2018 · Prometheus Operator v0. Apr 25, 2017 · Is there a way to use metric_relabel_configs or a recording rule to calculate the hostname and then place it into the instance label? I'm wondering this because I have my prometheus setup to scrape localhost for prometheus metrics but it would be nice if localhost was replaced with an actual host name. Together with standard labels from. Oct 27, 2018 · Here is my new "newCollector" with the "hostname" label. 0, Prometheus v2. Template examples. On each refresh interval (default: 1 minute), Prometheus will perform a GET request to the HTTP SD endpoint. Throughout this blog series, we will be learning the basics of Prometheus and how Prometheus fits within a service-oriented architecture. Prometheus SNMP Exporter. You can collect metrics from any software that exposes Prometheus metrics with the OpenTelemetry collector by using the community Prometheus receiver. For example, consul_service_tags metric exposes a set of tags, which can be joined to metrics via (service_name, node) labels. /alertmanager --config. *". In this example are seven relabeled steps. 000780 for sync pair :17743b1b-a067-4478 This example shows a single node configuration running ceph-mgr and node_exporter on a server called senta04. Something like this: wmi_service_status. Note that this requires to add the appropriate instance label to every node_exporter target individually. yml, it’s expected to put the hostname of the target as a container name because when Prometheus makes the request to the target, if you name . For non-list parameters the value is set to the specified default. Mar 7, 2023 · I'm adding serves to my prometheus config like this: - job_name: cluster1. To use TLS and/or basic authentication, you need to pass a configuration file using the --web. That is why Prometheus can take away this task and Mar 22, 2021 · VictoriaMetrics starts from the right part of the a and b query, e. Jun 29, 2022 · The second important part is the relable_configs part. labels() method alone: from prometheus_client import Counter. 100. Prometheus Operator already does an awesome "automagic" with relabeling, but lack of ability to make any customization — is it good or bad? For now, Prometheus Operator adds following labels automatically: endpoint, instance, namespace, pod, and service. ), the configuration file defines everything related to scraping jobs and their instances, as well as which rule files to load Dec 11, 2020 · Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Then it finds unique domain label values for the returned time series and passes an additional label filter on the domain label to the left part of the a and b query. Here, I want to include filter based on labels as well. ##. May 10, 2020 · How can I configure prometheus. The response is consumed as is, unmodified. prometheus. This example shows a single node configuration running ceph-mgr and node_exporter on a server called senta04. additionalLabels: ## Service label for use in assembling a job name of the form -. To see this in action, you have to view the raw data by sending the Vault process a USR1 signal - I've included an example of this command below. When I config as following: scrape_configs: # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config. Oct 27, 2020 · We do this so we can have the hostname in the legend without the fqdn and port appearing which is entirely redundant for these metrics since they’re always coming from the same service within a cluster. Display one value. Amend label format Label names beginning with __ (two "_") are reserved for internal use. The Prometheus templating language is based on the Go templating system. Under Data source, I’ll choose the sample data source we were exploring Feb 25, 2022 · How can I exclude a specific mount point from a single host only? I use below expresson to get FS utilization. yml¶ Metrics with labels are not initialized when declared, because the client can’t know what values the label can have. Advanced iteration. However, I would like to add a label with the server ID or the hostname, to make the graphs easier to read. Histogram; import org. When Prometheus stores data, it uses a key-value store. config. It is recommended to initialize the label values by calling the . <metric> name message_bar_counter type counter desc The total number of bar in message. Label names beginning with __ (two "_") are reserved for internal use. The metric and label conventions presented in this document are not required for using Prometheus, but can serve as both a style-guide and a collection of best practices. + will match (otherwise it won't). vmagent and single-node VictoriaMetrics supports the following Prometheus-compatible service discovery options for Prometheus-compatible scrape targets in the file pointed by -promscrape. CollectorRegistry; import io. See these docs. Start up a Prometheus instance on localhost that's configured to scrape metrics from the running Node Exporter. /prometheus --config. in hostname label name: - action: replace_all. Configuring targets manually and keeping the list up to date is a tedious work; not doing it creates a partial view of the infrastructure and alert fatigue. Simple iteration. client. In this guide, you learned how the multi-target exporter pattern works, how to run a blackbox exporter with a customised module, and to configure Prometheus using relabeling to scrape metrics with prober labels. The collector is a component of OpenTelemetry that collects, processes, and exports telemetry data to New Relic (or any observability backend). Otherwise the template code for something like label_values(up, instance) it is slightly more complicated and it seems like it actually downloads the whole series for the metric from: Send a service check reporting on the health of the Prometheus endpoint. For example, the following relabeling rule Jan 16, 2018 · Histogram and labels working example:-import io. Individual organizations may want to approach some of these practices, e. ), the configuration file defines everything related to scraping jobs and their instances, as well as which rule Aug 18, 2021 · metric_name {instance"=“hostname:port”,“type”=“thismetrictype”} value. config command-line flag: azure_sd_configs is for scraping the targets registered in Azure Cloud. 8) and an instance name (node2). GCP Log scraping. The good news is there's a way to do with without polluting your target labels with This example shows a single node configuration running ceph-mgr and node_exporter on a server called senta04. file flag. (well, the “type=thismetrictype” can of course also remain in the label section, it does not have to be removed there). path). See full list on grafana. This enables better control of the various HTTP endpoints. The cadvisor service exposes port 8080 (the default port for cAdvisor metrics) and relies on a variety Oct 5, 2021 · It would be useful if __agent_hostname was available as a meta label for prometheus scrape configs. Feb 21, 2020 · You can notice that here we have labels allowing us to have a match between an instance IP address (10. Relevant for this are 2 time series that prometheus-node-exporter offers:. Summary. A collection of instances with the same purpose, a process replicated for scalability or reliability for example, is called a job. Explaining the problem with an example: ALERTS{alertname="CPUThrottlingHigh",pod="sendsms-dbed"} 10. 3. This allows Ceph to export the proper instance label without prometheus overwriting it. s. Defining reusable templates. replacement: ". Configuration is specified in the gcplog section, within scrape_config. Please help improve it by filing issues or pull requests. Please refer the link here. You can scrape the multiple targets in prometheus. I have configured all my servers behind a hostname and I want to scrape metrics from all the servers in one period. Then it is possible to add node_name label to any metric exposed by node_exporter with group_left() modifier during querying. sum by (namespace) (kube_pod_status_ready{condition= "false" }) Code language: JavaScript (javascript) These are the top 10 practical PromQL examples for monitoring Kubernetes 🔥📊 Click to tweet. This way, you’ll be able to easily distinguish between different servers and environments. g. The GET request contains a X-Prometheus-Refresh-Interval-Seconds HTTP header with the refresh interval. Apr 14, 2022 · Grafana - create table with column values with Prometheus (dynamic) property/label data has each instance as a single metric with the right labels, instead of spread out over a number of metrics. Prometheus is configured via command-line flags and a configuration file. Each sample consists of: a TLS and basic authentication. yml¶ If you implement an HTTP SD endpoint, here are a few requirements you should be aware of. instance 1: 1. The value of each time series is the number of times that sample value was present. For example, the following config would add machine_name label to the scraped metrics from the given statically defined targets: scrape_configs: - job_name: node_info. e. May 27, 2021 · Pods not ready. file parameter. Example scrape_configs: # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config. Return all time series with the metric http_requests_total and the given job and handler labels: http_requests_total{job="apiserver", handler="/api/comments"} Nov 6, 2023 · The label value is the specific data for that descriptor, providing the context for the metric, like orders-service, host-76, or POST. The file is written in the YAML format , defined by the scheme described below. 1. Grafana lists these variables in dropdown select boxes at the top of the dashboard to help you change the data displayed in your dashboard. Relabeling is a powerful tool to dynamically rewrite the label set of a target before it gets scraped. This query lists all of the Pods with any kind of issue. ALERTS{alertname="CPUThrottlingHigh",pod="sendsms-ebed"} 20. If I was passing in multiple labels; such as my example above, it would look more like this Jun 9, 2017 · It is a good practice in Prometheus ecosystem to expose additional labels, which can be joined to multiple metrics, via a separate info -like metric as explained in this article. It has quickly risen to be top of the class, with overwhelming adoption from the community and integrations with all the major pieces of the Cloud Native puzzle. There are several ways of providing dynamic targets to your Prometheus. # By default, Prometheus stores its database in . While the command-line flags configure immutable system parameters (such as storage locations, amount of data to keep on disk and in memory, etc. Samples form the actual time series data. A single query for metadata{} in table format has a column for the key and a column for the value, rather than Feb 5, 2020 · Here, I have kube state metrics info in prometheus for kube_pod_info & kube_pod_labels. You may provide the targets in a yaml or json format. static_configs: Template examples. A snippet: - job_name: 'redis'. And a few things that don't work. - server2. The metrices should be presented in Grafana as dashboards and alerts. You won’t have access to do this on Play, but you could follow along on your instance of Grafana. regex: "-". The count(is_active) by (label_b) counts is_active series grouped by label_b. Nov 8, 2021 · It works in the following way: The count(is_up) by (label_a) counts is_up series grouped by label_a. Purpose of this label is to always show the source K8S platform, independent from whether it's a system or namespace/workload alert. Mar 1, 2019 · docker-compose. label_to_hostname: string: optional: none: Override the hostname with the value of one label. To start Prometheus with your newly created configuration file, change to the directory containing the Prometheus binary and run: # Start Prometheus. scheduler. - 10. com Simple time series selection. 100 - (100 * node_filesystem_avail_bytes / node_filesystem_size_bytes) Trying to achieve is exclude a specific host and all content inside a mount point. For example, our configuration might look like this: Feb 23, 2023 · The first thing I’ll do is go to the Dashboards area of Grafana and create a new dashboard. In this guide, you will: Start up a Node Exporter on localhost. #- name: ## Additional labels to set used for the ServiceMonitorSelector. For example, a metric with labels may look like this in text exposition format: http_requests_total{method="POST", handler="/api/orders", status="200"} 1027. See also the best practices for naming metrics and labels. Nov 5, 2020 · New label can be added with the following relabeling rule: - target_label: "foo" replacement: "bar" This relabeling rule adds {foo="bar"} label to all the incoming metrics. The Grafana Agent reverses the Prometheus pull model into a push model without a database of expected targets. Reload to refresh your session. - job_name: gamelet-smoba honor_timestamps: true metrics_path: /metrics scheme: http This example shows a single node configuration running ceph-mgr and node_exporter on a server called senta04. This could be the first step for troubleshooting a situation. Metric names. In Prometheus terms, an endpoint you can scrape is called an instance, usually corresponding to a single process. Usually this would be set on the Prometheus side as either the instance label (using DNS to map the hostname to an IP) or using static labels. it executes label_copy(metric_1{instance="abc"}, "host", "domain"). label_joins: object: optional: none: The label join allows you to target a metric and retrieve its label using a 1:1 mapping Mar 14, 2023 · The first rule is only for the case when the instance label has been manually set by the config (and not via the target’s host:port) if so, it will be non-zero in length and . Metric and label naming. Simple alert field templates. 👍 1. . yml¶ Jun 12, 2020 · How do I configure prometheus (currently using the coreos operator if that matters), to keep only app=foo and drop the label baz, so that I end up with: some_metric{app="foo"} For what it's worth, here's what I currently have and the labels are showing up as is: - action: keep sourceLabels: ["app"] regex: "foo" - action: labeldrop regex: "baz" Nov 15, 2017 · 13. 11:5555. It is now a standalone open source project and maintained independently of any company. I have a label called "label_source=“k8s" in kube_pod_labels. scrape_interval: 5s static_configs: - targets: ['localhost:8090','localhost:8080'] labels: group: 'dummy' round(v instant-vector, to_nearest=1 scalar) rounds the sample values of all elements in v to the nearest integer. yml Dec 1, 2022 · For example, if you’re tracking CPU usage for multiple servers, you might want to include labels such as server name, hostname, and environment type. 17. Jun 27, 2017 · Note, with label dropping you need to ensure that the final metrics after label drop are still uniquely labeled and not resulting in duplicate time-series with different values. Dec 28, 2022 · 1. Each sample consists of: a Collector for Prometheus. To simply get started, it's recommended to use the if_mib module with switches, access points, or routers using the public_v2 auth module, which should be a read-only access community on the target device. yml configuration file (imported into the container by the volumes parameter). Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community. Templates have the ability to run queries against the local database, iterate over data, use conditionals, format data, etc. Without this setting, Prometheus applies an instance label that includes the hostname and Sep 17, 2020 · 1. This is just an example: there are other ways to configure prometheus scrape targets and label rewrite rules. 10:5555. Try this way: global: scrape_interval: 15s # Scrape targets every 15 seconds. tsdb. Nov 14, 2018 · 6. There are two kind of scraping strategies: pull and push. Labels with an empty label value are considered equivalent to labels that do not exist. 168. – Aug 15, 2016 · In Prometheus the instance label uniquely identifies a target within a job. target_groups: - targets: - 10. Base units. The check is named <NAMESPACE>. node_hwmon_temp_celsius which has the actual temperatures; it has labels like: Nov 14, 2018 · 6. Updating existing label. As a monitoring tool, being up to date with the infrastructure is critical. May 8, 2020 · If you just want to have the hostname available on a dashboard, you can join labels at query time using multiplication. Amend label format TLS and basic authentication. topk and bottomk are different from other aggregators in that a subset of the input samples, including the original labels, are returned in the result Aug 24, 2021 · Service discovery is one of the major features of Prometheus. 10. Amend label format Sep 27, 2022 · The disable_hostname value toggles whether or not gauge values should be prefixed with a local hostname. The join is usually performed via on Oct 29, 2020 · The key for this label is set as label_example_com_ci_cluster and not to be mixed up with label_example_com_ci_monitoring. This configuration instructs Docker Compose to run three services, each of which corresponds to a Docker container: The prometheus service uses the local prometheus. Label values should be strings. naming conventions, differently. Collector for Prometheus. In jobs section of prometheus. Nov 18, 2020 · Monitoring a host, device, or service uptime is best done with black box monitoring or with a pull scraping model. Prometheus template variables. Nov 15, 2017 · 13. metric_name_thismetrictype {“instance”=“hostname:port”} value. kube_pod_info{namespace="test"}---> Filters pods by namespace test. The Blackbox Exporter supports TLS and basic authentication. I will then create a new panel, and title it “Extract Prometheus Labels. It may be a DNS name but commonly it's just a host and port such as 10. Each unique combination of a metric name and set of labels defines a series, while each timestamp and float value defines a sample (i. Label values may contain any Unicode characters. Each individual data point (each line in text format) is identified by the unique combination of its metric name and its label name/value pairs. The format of the file is described in the exporter-toolkit repository. Return all time series with the metric http_requests_total: http_requests_total. See docs for count () aggregate function. Monitoring up/downtime requires centralized knowledge of which entities are expected to exist. yml so that it takes path of a target along with the host name? scrape_configs: - job_name: 'example-random' # Override the global default and scrape targets from this job every 5 seconds. Supported service discovery configs. This documentation is open-source. /data (flag --storage. Samples. Without this setting, Prometheus applies an instance label that includes the hostname and Mar 19, 2018 · This one however returns all labels called instance from every metric in the TSDB. * on (instance) group_left(hostname) wmi_cs_hostname. Prometheus should start up. Note that this requires one to add an appropriate and unique instance label to each node_exporter target. Instead of hard-coding details such as server, application, and sensor names in metric queries, you can use variables. ## the chart. How can I join kube_pod_info & kube_pod_labels to apply label filter The name of that label is given by the aggregation parameter, and the label value is the unique sample value. Apr 14, 2022 · The timestamp is added by the monitoring backend (Prometheus, for example) or an agent when they scrape the metrics. Some of them are: I think what you require is file_sd_config. Existing label can be updated with the relabeling rule mentioned above: Mar 21, 2020 · I am able to do use label_replace () to do this on the instant vector. c = Counter('my_requests_total', 'HTTP Failures', ['method', 'endpoint']) Configuration. Promtail supports scraping cloud resource logs such as GCS bucket logs, load balancer logs, and Kubernetes cluster logs from GCP. The label_replace() copies the label_a value to label_b for all the series returned at step 2. file=alertmanager. 0. Here it is a simple sample to show how we can rename a metric name jvm_threads_current to count the threads inside the JVM machine to do it more generic to be able to include the threads for the process in a process_thread_count prometheus metrics that we can use now as it was the original name. I need to Extract logs data and append as a new label, below is the sample log example: Sample Log Message: 2022-12-21T11:48:00,001 [schedulerFactor_Worker-4, , ] INFO [,,] [userAgent=] [system=,component=,object=] [,] [] c. Jan 14, 2022 · 1. 2:9100. From hostname="HOST-B" and mountpoint="/DIR/. May 12, 2022 · I'm trying to graph the temperature of my servers with Prometheus's hwmon and Grafana. Feb 7, 2017 · The instance label is what Prometheus uses to scrape metrics from the targets HTTP server, as kubernetes Endpoints are filled with Pod IPs rather than the nodes IPs this is not possible via the instance label. Ties are resolved by rounding up. prometheus. Our specific case is to run the agent on each node, with a static scrape config and a local endpoint. yml: global: scrape_interval: 15s external_labels: monitor: 'codelab-monitor' scrape_configs: - job_name: 'node-exporter' scrape_interval: 5s Mar 23, 2024 · Here, we will use function label_replace from Prometheus. If the label is unique for one particular metric, then you have your answer. For example, the following PromQL query adds node_name label from node_meta metric to node_memory_Active_bytes metric: To enable Ceph to output properly-labelled data relating to any host, use the honor_labels setting when adding the ceph-mgr endpoints to your prometheus configuration. Potential reserved placeholders ${hostname} and ${worker_id}, as well as static labels, are automatically added and should not be specified in <initlabels> configuration. Labels. The easiest approach to add labels to targets defined in static_configs section is to use labels section - see these docs. But when i want to do this for over 10 minutes data, it cannot work as label_replace only works on instant vector. Grafana refers to such variables as template variables. The exporters will be imported by following targets in the prometheus. There is a label in common between the two metrics “node_meta” and “node_disk_bytes_read”: instance. This multiple may also be a fraction. QUESTION? How to query prometheus to have sum of “disk bytes read” by instance/node/server May 29, 2020 · replacement: 'process_thread_count'. Static label example: - job_name : ' windows ' static_configs : - targets : ['192. - server3. This The example shows a counter metric named payments_total with two labels: status and type. file=prometheus. # With "honor_labels: true" Prometheus will save those as "exported_job" and "exported_instance" respectively. This exporter is the recommended way to expose SNMP data in a format which Prometheus can ingest. An example: - job_name: pushgateway # This is necessary if metrics in pushgateway have "job" or "instance" labels. For example, metric{job="aa"} will be converted to metric{job="aa",foo="bar"}. The Prometheus Node Exporter exposes a wide variety of hardware- and kernel-related metrics. scrape_timeout: 15s # Timeout after 15 seconds. This answer explains how to export node name via node_name label at node_meta metric. health. Using console URL parameters. com. source_labels: [hostname] target_label: hostname. Because the namespace labels on the alerts generated from the (remote) promtheus instances don't match the alertmanager namespace, the alerts aren't routed to the receiver due to the namespace mismatch. Dec 22, 2017 · When it comes to monitoring tools in the last while, Prometheus is definitely hard to miss. qp ay bw no gh ta tq eu rw qx