Prometheus labels example. The join is usually performed via on {"payload":{"allShortcutsEnabled":false,"fileTree":{"prometheus":{"items":[{"name":"collectors","path":"prometheus/collectors","contentType":"directory"},{"name The Prometheus templating language is based on the Go templating system. Jul 22, 2016 · The version is reported as a label in the app_version (say) metric like so: app_version_updated{instance="eu99",version="1. Q&A for work. The Prometheus templating language is based on the Go templating system. The most fundamental data type of Prometheus is the scalar — which represents a floating point value. We can add some tags (as they are called in Micrometer) or labels (the same concept in Prometheus) to our counter and set the appropriate attribute values every time we increase it. Aug 25, 2021 · Is there a shorter/neater way for replacing labels? in my example, I have 4 cases where I would like to "skip" the ending, when the end of the label value is:. Also Prometheus 3. separator: ','. replacement: ". +)'. Sep 1, 2022 · For example, the following relabeling rule replaces all the - chars with . Explaining the problem with an example: ALERTS{alertname="CPUThrottlingHigh",pod="sendsms-dbed"} 10. Developers won’t need to add those labels manually. For example, the following relabeling rule drops all the label names starting with foo: In this example, we will add the group="production" label to the first group of targets, while adding group="canary" to the second. But when i want to do this for over 10 minutes data, it cannot work as label_replace only works on instant vector. PromQL, short for Prometheus Querying Language, is the main way to query metrics within Prometheus. Reload to refresh your session. This field needs to be set to a list of labels to match ScrapeConfigs: spec: scrapeConfigSelector: prometheus: system-monitoring-prometheus. regex: "-". Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community. To monitor your application, create a ServiceMonitor with specific labels. You can use templates to include data from queries and expressions in labels and annotations. regex: (https?) // if __meta_kubernetes_service_annotation_prometheus_io_scheme is http or https, replace __scheme__ with its value that is the default replacement: $1. Limitations of Prometheus: Inability to suppress alerts and increasing complexity at scale may pose some challenges. 12, and 1000000. Both the Prometheus and PrometheusAgent CRD have a scrapeConfigSelector field. Feb 8, 2024 · Labels and Relabelling: Prometheus allows users to apply labels to scraped metrics to provide additional context or information. Keeping label_replace usage to a minimum is recommended as it might make the query little bit You signed in with another tab or window. Development. To demonstrate this, start up a second Node Exporter instance on port 9200. Try this way: global: scrape_interval: 15s # Scrape targets every 15 seconds scrape_timeout: 15s # Timeout after 15 seconds # Attach the label monitor=dev-monitor to all scraped time series scraped by this server labels: monitor: 'dev-monitor' scrape_configs: - job_name: "job-name" scrape_interval: 10s # Override the default global interval Templating labels and annotations. Save the following YAML as servicemonitor. This is also a easy way to differentiate from the Nov 14, 2018 · You can scrape the multiple targets in prometheus. Prometheus target missing with warmup time Allow a job time to start up (10 minutes) before alerting that it's down. All calculations in Prometheus are floating point operations. g. Prometheus sample alert rules: A list of examples of commonly-used Prometheus alert rules. To achieve this, add the following job definition to the scrape_configs section in your prometheus. The label_replace () copies the label_a value to label_b for all the series returned at step 2. For you the code may like this: - job_name: 'development'. With this example, all ScrapeConfig having the prometheus Mar 27, 2020 · Your goal is to simply replace the old label name “old_job_id” with a new label name “new_task_id”. +)" Nov 5, 2020 · Sometimes it is needed to remove certain labels before storing metrics in Prometheus or VictoriaMetrics. io/scheme in the service's annotation. It will preserve the All metrics can have labels, allowing grouping of related time series. multipass:9100 Sep 20, 2023 · remember that results of your modifications should result in unique labels sets. For example, consul_service_tags metric exposes a set of tags, which can be joined to metrics via (service_name, node) labels. count(app_version_updated) by (version) Jun 9, 2017 · 9. For example, the query. Verbose - Displays all label names. The `labels` method in the `prometheus_client. Relabelling allows users to modify or filter labels associated with scraped metrics before they are stored in the time-series database. (starting with a small letter). I figured it out. To go even further with your data, you might use another data transform to turn, for example, a string label value into an integer or floating point value. Auto - Displays unique labels. Use cases: Drop unnecessary May 30, 2022 · This is a quick demonstration on how to use prometheus relabel configs, when you have scenarios for when example, you want to use a part of your hostname and assign it to a prometheus label. CollectorRegistry; import io. The value of each time series is the number of times that sample value was present. client. 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. Alert groups: - name: Instances rules: - alert: InstanceDown expr: up == 0 for: 5m labels: severity: page # Prometheus templates apply here in the annotation and label Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. Histogram; import org. Here the use case is different as there's only one metric . Jun 28, 2017 · Milestone. Storing the states as labels means your app needs to turn off a given label/state in addition to turning on the next state. Joins in PromQL PromQL supports the ability to join two metrics together: You can append a label set from one metric and append it to another at query time. 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 Feb 23, 2023 · The same principle can be applied to any Prometheus metrics, any labels! Next steps. Prometheus Relabling. Jun 27, 2017 · This post explains how you can use Prometheus relabeling configuration to manipulate metrics to keep your storage clean and not pollute it with unnecessary data. Typical examples of metrics are: http_requests_total; http_request_size_bytes; system_memory_used Nov 6, 2023 · Examples of Prometheus Relabel Action 1. If for some reason it is mandatory to use one of these labels, you can perform relabeling at the metric_relabel_configs: metric_relabel_configs: # copy exported_instance value to label foo. #regex: '(. Any label that does not match will be removed from the set of labels. Jul 28, 2023 · OpenTelemetry Collector Prometheus Exporter is a component that allows users to export metrics from the OpenTelemetry Collector to the Prometheus monitoring system. relabel component rewrites the label set of each metric passed along to the exported receiver by applying one or more relabeling rule s. com: 49. # Keep metrics only if `example_label` exists as a label metric_relabel_configs: - source_labels: [example_label_1] action: keep regex: '. ALERTS{alertname="CPUThrottlingHigh",pod="sendsms-ebed"} 20. I had to declare the label where I was calling the NewDesc method and then pass the value within the MustNewConstMetric method. You switched accounts on another tab or window. naming conventions, differently. springframework. Use labels to add semantic information. In this example we again customize the text sent to our Slack receiver accessing the summary and description stored in the CommonAnnotations of the data sent by the Alertmanager. This can be done with action: labeldrop. The replace action substitutes a target label's value with a replacement value if the source label values match the regex. It is possible to filter these time series further by appending a comma separated list of label matchers in curly braces ({}). The prometheus. The count (is_active) by (label_b) counts is_active series grouped by label_b. For example, you cannot replace label values to same value for all metrics, if that label is the only one for the metric. First navigate to the directory containing the Node Mar 19, 2019 · Another immediate advantage of using the Sysdig agent to collect Prometheus metrics is that the resulting metrics will include not only the labels added in the Prometheus metrics, but also the full Docker container and Kubernetes metadata. channel. Count and sum of observations. Dec 12, 2023 · kind: Service apiVersion: v1 metadata: name: example-app labels: app: example-app spec: selector: app: example-app ports: - name: web port: 8080 Create a Service Monitor. Configure Prometheus or PrometheusAgent to select ScrapeConfigs #. 5. , a characteristic) of a system that is being measured. Examples of scalars include 0, 18. The example shows a counter metric named payments_total with two labels: status and type. The name of that label is given by the aggregation parameter, and the label value is the unique sample value. return &cmdCollector{. handler. For detailed guidance on using Prometheus in your solutions, refer to the prometheus-users discussion group. 14 participants. Using a standard prometheus config to scrape two targets: - ip-192-168-64-29. ), the configuration file defines everything related to scraping jobs and their instances, as well as which rule files to load Template examples. So you could avoid the first 'empty' metric declaration if you like and just keep the second Metrics. If you forget to do this, then the metric will show the band in 2 states at once. Jul 24, 2021 · Here we focus on the most basic Prometheus concepts - metrics, labels, scrapes, and time series. The above tags are available as a comma separated list in __meta_consul_tags that can be used for relabeling. 168. 0. For a given service which is deployed to both clusters we deploy the same Prometheus Rules. target_label: '### use extracted regex group Jun 3, 2017 · Prometheus is set to look for this server-stats service and use the configuration (host address and port) provided by Consul to scrape stats from servers. The primary data structure for dealing with time series data is the sample, defined as: type sample struct { Labels map[string]string Value float64 } The metric name of the sample is encoded in a special __name__ label in the Labels map. 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. NET Core. prometheus. To keep the implementation of our sample app as simple as possible, but have some variation Jul 20, 2017 · labelkeep: Match regex against all label names. You can find a couple demos demonstrating how it works here. Channel. Histograms and summaries both sample observations, typically request durations or response sizes. Note that the number of observations (showing up in Prometheus as a time series 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. static_configs: - targets: [ '192. Connect and share knowledge within a single location that is structured and easy to search. Taking a counter as an example: from prometheus The data section of the query result consists of a list of objects that contain metric metadata and the target label set. +' TLS based scraping If you have a Prometheus instance served with TLS and you want to scrape metrics from it, you need to set scheme to https and set the TLS settings in your configmap or respective CRD. counter call. It is now a standalone open source project and maintained independently of any company. If no labels remain after the relabeling An Intro to PromQL: Basic Concepts & Examples. You can display an expression’s return either as a graph or export it using the HTTP API. add more target option to separate instance and add labels. . Mar 21, 2020 · I am able to do use label_replace () to do this on the instant vector. ConsumerEndpointFactoryBean. +)=(. This example selects only those time series with the http_requests_total metric name that also have the job label set to prometheus and their group label set to canary: http_requests_total{job="prometheus",group="canary"} Oct 29, 2020 · In other words, with this configuration above we always apply a label with the key: label_example_com_ci_monitoring and the value of this key is either the original value of key label_example_com_ci_monitoring if it’s there and if that label does not exist, we generate a value based on namespace and cluster using a pattern: NS-${1}-[% ci Jan 17, 2019 · Prometheus allows renaming labels in the following places: During metric scrape. For example, the following relabeling rule Jun 7, 2023 · Additionally, for the Rules, we added the ruleSelector to match a label that we defined on the Prometheus Rules, as we have in the example bellow. 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. multipass:9100 - ip-192-168-64-30. Gauge` class in Python is used to assign custom labels to a specific metric of type Gauge. Please help improve it by filing issues or pull requests. QUESTION? How to query prometheus to have sum of “disk bytes read” by instance/node/server {"payload":{"allShortcutsEnabled":false,"fileTree":{"documentation/examples":{"items":[{"name":"custom-sd","path":"documentation/examples/custom-sd","contentType Best practices and usage. *)'. GitHub Gist: instantly share code, notes, and snippets. To rewrite the above example: relabel_configs: - action: keep. Prometheus label_replace will really “add” the new label name. In this case you need to add the following relabeling rules into metric_relabel_configs section at the corresponding scrape_config: metric_relabel_configs: - source_labels: [__name__, name] regex: "node_systemd_unit_state;(. Learn more about Teams Mar 7, 2022 · In other words, exported_instance is the instance label in your exporter. source_labels: [hostname] target_label: hostname. Example scrape_configs: # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config. stereotype Aug 4, 2021 · For some example scripts that can be used to generate files containing metrics meant to be collected by the textfile collector, see the Prometheus community scripts repository. We will look at how to use labels to organize and query metrics, as well as how to use labels to create alerts. PromQL uses three data types: scalars, range vectors, and instant vectors. Mar 9, 2020 · I'm mostly concerned about the tags - every instance contains a lot of them and I would love to gather them all using one simple configuration entry with the usage of regular expression. The exporter allows you to add custom labels and metadata Mar 8, 2018 · Micrometer's tags are the same as Prometheus' keys/labels. In this example, we displayed label values quite simply in a table. 0 is expected to enforce normalization of these label values. On pre-prod we want alerts to be routed to Slack, while on prod they shou Examples at hotexamples. To use the OpenTelemetry Collector Prometheus Exporter, you need to configure it with the desired configuration parameters. May 20, 2019 · Fortunately, Micrometer/Prometheus provides a better way to handle this. Prometheus supports templating in the annotations and labels of alerts, as well as in served console pages. This documentation is open-source. Gauge is a metric type in Prometheus that represents a single numerical value that can arbitrarily go up or down. 4. NewDesc("cmd_result", "Shows the cmd result", []string{"hostname"}, nil, ), Using group_left to calculate label proportions. The documentation here is only a minimal quick start. The perfect solution seems to be something like this: relabel_configs: - source_labels: - '__meta_ec2_tag_(. cmdMetric: prometheus. The metric and label conventions presented in this document are not requiredfor using Prometheus, but can serve as both a style-guide and a collection ofbest practices. // this means the user added prometheus. 1. yaml. The following example returns all metadata entries for the go_goroutines metric from the first two targets with label job="prometheus". If no rules are defined or applicable to some metrics, then those metrics are forwarded as-is to each receiver passed in the component’s arguments. Clear the input and click outside of it to select another mode Aug 23, 2021 · Surfacing it this way also will remove the issue of a given band being in multiple states at a given time. Data Structures. Apr 17, 2023 · Prometheus has a number of required and optional fields for generating rules. When you've broken a metric out into labels a common need is to tell what proportion each label represents of the total. 8) and an instance name (node2). #1. There is a label in common between the two metrics “node_meta” and “node_disk_bytes_read”: instance. Feb 21, 2020 · You can notice that here we have labels allowing us to have a match between an instance IP address (10. For example: Summary. The group_left modifier of Prometheus is the key. They track the number of observations and the sum of the observed values, allowing you to calculate the average of the observed values. See the best practices on naming and labels. Alert Expression Syntax: YAML is the format used to build rules. What is a metric? In Prometheus, everything revolves around metrics. You signed out in another tab or window. This library allows you to instrument your code with custom metrics and provides some built-in metric collection integrations for ASP. *) target_label: environment replacement: production Apr 14, 2018 · I have the same question before. 1. The features that distinguish Prometheus from other metrics and Dec 11, 2020 · Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Custom - Uses templating to select which labels will be included. Nov 8, 2021 · It works in the following way: The count (is_up) by (label_a) counts is_up series grouped by label_a. Example of Scrape Configuration: Oct 27, 2018 · 1 Answer. Templates have the ability to run queries against the local database, iterate over data, use conditionals, format data, etc. From a neophyte’s perspective perhaps all the examples for replace relabel rules should start with action, even if it’s redundant. Here is my new "newCollector" with the "hostname" label. 0-abcdefg"} I've tried a number of Prometheus queries to extract the version label as a string from the latest member of this time series, to no effect. The name of the label to drop must be specified as a regular expression in regex . yml and restart your Prometheus instance: Jan 16, 2018 · Histogram and labels working example:-import io. sample prometheus configuration explained. Feb 4, 2020 · Prometheus uses three data types for metrics: the scalar, the instant vector, and the range vector. Here is my solution: use job_name as the group label. In return you can declare the keys/labels at the same time. We will also discuss how to use labels to create dashboards and visualize data. We previously looked at group_left in the context of machine roles. By using the `labels` method, multiple instances of the same Fix references to integer le, quantile label values, but otherwise do nothing and accept that some queries that span the transition time will produce inaccurate or unexpected results. e. Individual organizations may want to approach some of thesepractices, e. " action: labelmap_all replaces all the regex occurrences in all the label names with the replacement. Replace. in hostname label name: - action: replace_all. Mar 10, 2023 · Using label_replace won’t change the actual label or add new label in the prometheus TSDB. Dec 1, 2022 · In this article, we will discuss 10 best practices for using labels in Prometheus. See docs for count () aggregate function. (starting with capital). When using Prometheus' file-based service discovery mechanism, the Prometheus instance will listen for changes to the file and automatically update the scrape target list, without requiring an instance restart. 1:9100' ] labels: Prometheus is configured via command-line flags and a configuration file. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts when specified conditions are observed. For example, {{hostname}} is replaced by the label value for the label hostname. For example, you might want to set the severity label for an alert based on the value of the query, or use the instance label from the query in a summary annotation so you know which server is experiencing high CPU Teams. A metric is a feature (i. Example: - action: replace source_labels: [service] regex: (. While the command-line flags configure immutable system parameters (such as storage locations, amount of data to keep on disk and in memory, etc. Compared to Prometheus' requirement to register the metric as a static variable, Micrometer allows avoiding that. The best way around this is to avoid using any of the special labels in the exporter. This is the recommended solution, to get consistently normalized label values. Also displays all overlapping labels if a series has multiple labels. Suppose we have two independent Kubernetes clusters, prod and pre-prod. jy xj mc ph sw ob yd ci vb lq