Relabel instance to hostname in prometheus

Relabel instance to hostname in prometheus. (well, the “type=thismetrictype” can of course also remain in the label section, it does not have to be removed there). 17. Here's the config, to scrape multiple targets and label each one: scrape_interval: 5s. Prometheus' ec2_sd_config supports label __meta_ec2_instance_state to get the state of the EC2 instance. yml and update the prometheus_instance_label variable accordingly. ec2_sd_configs: - region: value. The remote-write protocol is intended to allow Prometheus instances to actively send the metrics they collect/receive to other instances. Federation allows a Prometheus server to scrape selected time series from another Prometheus server. port: metrics. ``` netdata_info{instance="development. 11. - prometheus-job=myJobsName. We do use relabel_configs for some of our metrics, but this Aug 9, 2019 · For example this is what I used to do for kubernetes-cadvisor exporter to set a label on static_config, so that my custom label was displayed on all the metrics collected by my exporters on ingestion time: scrape_configs: - job_name: prometheus. But it's a constraint to define the job name in every dashboard. - prometheus-port=3000. docker. Ismail Durmaz. I not prefer a specific casing, I just want to uniform it for automation and scripting. 1. answered Dec 25, 2020 at 0:49. To implement this feature, modify the configuration file /etc/kolla/globals. yml file 15-096-Goyal:prometheus gaurav. relabel rewrites the label set of the input targets by applying one or more relabeling rules. But values (data) were not loading for that host. nodename}}: Instance labels will FQDNs. goyal$ cat prometheus. Some of them are: azure_sd_config (for AzureVM metrics) consul_sd_config (for Consul's Catalog API) dns_sd_config (DNS-based service discovery) ec2_sd_config (for AWS EC2 instances) openstack_sd_config (for Openstack Nova instances) 0. This guide describes several techniques you can use to reduce your Prometheus metrics usage on Grafana Cloud. Share. 原始收集到的instance可能是ip:port格式，但是在设置告警的时候带了端口很不方便。. com Oct 3, 2017 · I'm trying to relabel the __address__ property in Prometheus without any luck. 3 days ago--Listen. The count(is_active) by (label_b) counts is_active series grouped by label_b. So, when you exclude any metric this way it will not be stored in db, using this approach you can reduce disk usage and exclude all not necessary metrics. 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. Sep 8, 2019 · To create the Blackbox exporter service, head over to the /lib/systemd/system folder and create a service named blackbox. Try this way: global: scrape_interval: 15s # Scrape targets every 15 seconds. 1. Now, I would like to drop instance_type and instance_state only if the metric is foo. Feb 13, 2024 · The lab teaches you how relabeling metrics work in Prometheus and how to apply them when mapping, aggregating, dropping, or filtering scraped metrics. Dec 13, 2020 · 4. Aliaksandr Valialkin. # Attach the label monitor=dev-monitor to all scraped time series scraped by this server. 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. This configuration applies to relabel (as the name already indicates) labels of your prometheus metrics in this case before being ingested but also allow us to use some notable terms to do different things, and one of these notable terms is __name__. Not to be marked as stale it is enough for them to be re-scraped at least once in the 5 minutes window from last timestamp. Open the Grafana, select your dashboard and navigate to Settings > Variables. If you just want to have the hostname available on a dashboard, you can join labels at query time using multiplication. As a final touch, you can replace the instance name with the tag name so, for example, all instances of QA are labeled as QA. I tend to call this label "host" ( eg) in my entries, but when we set up our setup I actually called it Jan 11, 2024 · Name and Version bitnami/kube-prometheus What is the problem this feature will solve? In Prometheus stack the output of this: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 is this: {container="node-exporter", endpoint Apr 19, 2021 · Prometheus stores the instance or host name for every metric. For Windows and macOS replace with - host. 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. The perfect solution seems to be something like this: relabel_configs: - source_labels: - '__meta_ec2_tag_ (. The rule blocks are applied to the Sep 4, 2021 · Adding a "host" label to all of your per-host Prometheus metrics. It leaves the leading ; so that in both Jul 31, 2018 · Prometheus - Aggregate and relabel by regex. Aug 24, 2020 · prometheus-operator 对instance进行relabel. A collection of instances with the same purpose, a process replicated for scalability or reliability for example, is called a job. * on (instance) group_left(hostname) . I currently have the following Promql query which allow me to query the memory used by each of my K8S pods: The pod's name is followed by a hash defined by K8S: Which all belongs to the same app: weave-net. I don't want to relabel a metric, just override instance with something already being scraped. My Solution: Using PromQL you can do group by. Oct 5, 2021 · However, this requires enabling variable interpolation, and seems to be somewhat less reliable than the mechanism used to set the instance label on the agent integrations. In all other cases, I would like to keep the existing labels. $ sudo touch blackbox. I have configured all my servers behind a hostname and I want to scrape metrics from all the servers in one period. How to relabel instance ipaddress into hostname? for Nov 14, 2018 · You can scrape the multiple targets in prometheus. 10. I see that the node exporter provides the metric node_uname_info that contains the hostname, but how do I extract it from there? Jan 17, 2019 · Prometheus allows renaming labels in the following places: During metric scrape. In Prometheus terms, an endpoint you can scrape is called an instance , usually corresponding to a single process. tv",application="netdata",version="v1. It will remove everything, including the first rule that used to work. 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. This is my configuration: - job_name: 'kafka'. Ideally, agent_hostname would be available as a meta label globally, so that I could use it in a relabel config wherever I would like. replacement: 'no-instance'. Feb 14, 2024 · This becomes a problem when trying to create a PrometheusRule that identifies a CNPG cluster that has no running instances. port: value. Sep 2, 2022 · 1. 8. '10. This is quite easily doable in the prometheus config by Mar 22, 2021 · VictoriaMetrics starts from the right part of the a and b query, e. This will cut your active series count in half. September 4, 2021. Traditionally, you would have a StatefulSet from which you could infer the target replicas, as opposed to the actual ready instances. What i am trying to achieve is i have a metrics called instance_info that has the hostname in it in netdata like below. How does it work: it extracts instance label value (see source_labels list above), applies the given regex to it, then generates replacement string ( $1 is substituted by the part of instance label that is matched by regex part in the first parenthesis), and then puts the Oct 30, 2018 · In your Prometheus scrape_config, do you specify your target hosts by DNS name or by IP? If you specify them with hostname:port (example: “server01:9100”), you will see hostnames in instance label values instead of IP addresses. into eg. action: keep. I had the same issue, I'm now overwriting all the instance labels with the actual hostnames. relabel_configs: - source_labels: [__address__] Nov 15, 2017 · 13. 12 foo'. relabel is to filter targets or standardize the target label set that is passed to a downstream component. mainshop. static_configs: - targets: - kafka-kafka-0. Prometheus ships with a bunch of predefined service discovery options for common platforms like Kubernetes, EC2, Digital Ocean, etc. Apr 1, 2018 · Prometheus Operator v0. action: drop. Edit your service file, and paste the following content in it. Drop# In order to drop the above-mentioned metrics, we need to add metric_relabel_configs in Prometheus scrape config with the metric name we need to drop : Mar 27, 2023 · Hi - Thanks for looking into this and below is the content what we have currently in prometheus. [a-z][a-z0-9-]*)*(:[0-9]+)?" target_label: hostname 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 most common use of discovery. In the case of CNPG there are only pods, as the operator does not use Deployment or Maybe by just mounting the hosts /etc/hostname file to a specific place in the node-exporter container, or something like that? You just have to use the hostname on your docker compose file like this: Note that you have to prepend something to the hostname to avoid hostnames duplicates. Same problem here. May 12, 2022 · I'm trying to graph the temperature of my servers with Prometheus's hwmon and Grafana. If you are using another system, register the target with the hostname. static_configs: - targets: ['localhost:9090'] labels: kubernetes_namespace: kube-system. Example scrape_configs: # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config. Something like this: wmi_service_status. I tried adding this to the respective exporter settings in my Prometheus config: relabel_configs: - source_labels: - instance regex: "([a-z][a-z0-9-]*)(\\. : metric_relabel_configs: - source_labels: [ __name__ ] regex: 'istio_. The second rule is only to bring in the __address__ and only matches if there is a leading ; (which is only the case if instance is empty - if not, there would be a leading _ from the first rule). For example, consul_service_tags metric exposes a set of tags, which can be joined to metrics via (service_name, node) labels. - source_labels: [__name__] separator: ; regex: kube_replicaset_(owner) replacement: $1. port=1234 It uses 1234 as the instance port but if I don't specify it, I would get 8080 as the value I would set on the label. For instance, the metric http_requests_total could be used to track the total number of HTTP requests a server has Jan 8, 2021 · The first line (source_labels) gather the "meta network name" (the network name scraped from docker for this target) and the "label network", which is given in my docker stack: labels: # Prometheus Swarm. relabel_configs: - target_label: __address__ replacement: localhost:9115 # The blackbox exporter’s real hostname:port. __name__ is a particular label 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. Scraping metrics via a certain network only - source_labels: [__meta_dockerswarm_network_name] regex: ingress action: keep Jobs and instances. While the command-line flags configure immutable system parameters (such as storage locations, amount of data to keep on disk and in memory, etc. GitHub Gist: instantly share code, notes, and snippets. Here, we’re going to discuss a push-based option called remote-write. 2. Jun 17, 2020 · Label replace over a range vector in Prometheus 1 Is it a good solution to use "label_replace" in a prometheus query when doing math operations on two metrics with different labels for the same value Jul 1, 2019 · This is a not uncommon question about Prometheus and service discovery. My Objective: Expose those labels into Prometheus. So that it queries the exporter and not the target URI directly. I tried to use code bellow, but unfortunately it doesn’t work. By clicking “Post Your Answer”, you agree to our terms Jul 17, 2023 · get time that passed since the last increase of Prometheus counter Hot Network Questions In linear regression, do the errors overall have a normal distribution, or do the errors at each value of x have a normal distribution? Dec 31, 2020 · yes, I can use that to target windows servers. discovery. labels: Apr 25, 2023 · If Prometheus scrapes metrics with specified timestamp - only the rule of timeout (default 5 minutes) is applied. 0, Prometheus v2. Before applying these techniques, ensure that you’re deduplicating any samples sent from high-availability Prometheus clusters. Mar 14, 2023 · It merely adds a leading _ (indicating that this manually set) and a dummy :0 port to be removed again later. Our channel is Alerting rules. 0. 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. url in the following cases: If they are passed to vmagent via Prometheus remote_write protocol. Oct 12, 2016 · So in general, Prometheus automatically attaches the hostname or IP address (and port) as an "instance" label to all time series collected from a given target. On the other hand, "usual" metric if I have a few file_sd configs with targets in format 'ip hostname' e. How to relabel scraping jobs on Prometheus-operator? 2. We’ve added two relabeling steps. Apr 10, 2024 · None: Instance labels will be IP addresses (default) {{ansible_facts. - prometheus-scrape-network=network1. Jun 21, 2018 · I have multiple source labels need to be replaced so the configuration file has multiple entries under metric_relabel_configs, but i can see only one entry under metric_relabel_configs from Prometheus UI which is the last entry in the configuration file, is this might be the reason other relabel not working – Jul 30, 2020 · action: keep. e. $ cd /lib/systemd/system. sourceLabels: [ '__address__'] Feb 14, 2018 · Thank you Matthias. Note about native histograms (experimental feature): To scrape native histograms via federation, the scraping Prometheus server needs to run with native histograms enabled (via the command line flag --enable-feature=native-histograms), implying that the protobuf format is used for scraping. 26. My prometheus. Welcome to Mixible, your go-to source for comprehensive and informative content covering a broad range of topics from Stack Exchange websites. Nov 30, 2023 · One such example is federation, in which the Prometheus instance exposes yet another HTTP endpoint that can be scraped by other instances. This prevents the instance label from being automatically set later. May 15, 2019 · 1. +)" 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. When Prometheus scrapes from kube-state-metrics, it doesn't have those labels. You start in this lab by ensuring the demo environment you learned about setting up in previous labs is running with two demo services and a single Prometheus instance. Edited the varibale section and replace the label_values(node_load1, instance) with label_values(nodename). Nov 23, 2020 · Thanks. Corresponding dashboard --> manage dashboard--> Templating --> variable--> Edit. We wrote: Apr 10, 2024 · None: Instance labels will be IP addresses (default) {{ansible_facts. access_key: value. yml configuration file (imported into the container by the volumes parameter). Moreover since i am deploying node exporter on all SWARM nodes , how can i display each host separately Here is my prometheus. 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. The node instance ID is set by default to the container IP of the exporter, not the hostname of the actual host. it executes label_copy(metric_1{instance="abc"}, "host", "domain"). Blackbox-icmp This configuration instructs Docker Compose to run three services, each of which corresponds to a Docker container: The prometheus service uses the local prometheus. It's confusing and weird. 0"} 1 1606202908287 ``` What i am trying to achieve is to use this metric in prometheus scrape config to relabe or add a label to that particular host like hostname etc. internal:9115 May 15, 2023 · I want to add a "hostname" label to my metrics in Prometheus, because I don't need domain or port information in my dashboards. relabelings: - action: replace. How can I do this? The Prometheus Documentation contains the full list of labels, but here are other relabel configs that you might find useful. By understanding and applying relabel_configs, teams can tailor Prometheus to their unique monitoring requirements. *)' target_label: '### use extracted regex group Feb 21, 2023 · prometheus. $ sudo nano blackbox. Relevant for this are 2 time series that prometheus-node-exporter offers: node_hwmon_temp_celsius which has the actual temperatures; it has labels like: {chip="platform_coretemp_0",sensor="temp1"} Feb 8, 2024 · With this config, all metrics have the labels instance, instance_asg, instance_type and instance_state. Because the generic dns_sd doesn't provide much in terms of labels, I'm trying to extract them from the DNS name of the instance, which I have in the following format: The instance identifier can either be a word or two words with underscores or a word and a number Sep 8, 2019 · To create the Blackbox exporter service, head over to the /lib/systemd/system folder and create a service named blackbox. Nov 6, 2023 · Prometheus relabeling is an advanced feature that, when mastered, provides unparalleled control over your monitoring environment. Metrics: A metric is identified by its name and helps describe a particular system's property. See full list on grafana. - job_name: 'prometheus'. <service>" A records in Docker Swarm resolve directly into IP addresses, rather than hostnames. The cadvisor service exposes port 8080 (the default port for cAdvisor metrics) and relies on a variety May 8, 2020 · You'll probably want to look at relabel_config at some point, but it might not be the easiest way to solve your immediate problem. The label_replace() copies the label_a value to label_b for all the series returned at step 2. metric_name_thismetrictype {“instance”=“hostname:port”} value. If no rules are defined, then the input targets are exported as-is. scrape_configs: - job_name: “monitoring job” Relabel Prometheus metrics to reduce usage. kafka-kafka-headless:5556. Issue with overriding labels in prometheus. The second step replaces the __address__ label with a new value. May 6, 2019 · This should work (replacing up with the metric you mention):. label_values(up{service=~"abc. scrape_interval: 10s. *xyz"}, service) Or, in case you actually need to look across multiple metrics (assuming that for some reason some metrics have some service label values and other metrics have other values): Jan 28, 2018 · marcbachmann commented on Jul 6, 2018. Jan 14, 2022 · 1. instance is in lower case. See docs for count () aggregate function. If you run uname -n you'll see a machine's nodename, and this is something that'd be useful to have as part of your instance label. The easiest approach to add labels to targets defined in static_configs section is to use labels section - see these docs. 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;(. For example, if the label is __address__ contains host:port, you can add a Dec 20, 2019 · This made no difference. It force to have only one scraping job and the name must never change. If the metric disappears from the list of scraped metrics, then stale marker is sent to this particular metric. g. Otherwise you can add more labels in the Prometheus configuration. - job_name: gamelet-smoba honor_timestamps: true metrics_path: /metrics scheme: http Oct 26, 2010 · I don't suppose anybody has a handy way of fixing labels such that you can do a group_left/join on one series from kube_state_metrics and one from node-exporter. How to use relabeling in Prometheus and VictoriaMetrics. Metrics with timestamp are not required to be present on every scrape. service. May 16, 2022 · If you want to drop a label with a particular value from the collected metric, then use the following relabeling rule at metric_relabel_configs section of the needed scrape_config: This relabeling rule substitutes the exported_namespace="test" label with exported_namespace="" label, which, in turn, is automatically removed by Prometheus, since Nov 24, 2021 · How to concatenate labels in Prometheus relabel config. . endpoints: - interval: 30 s. The best way around this is to avoid using any of the special labels in the exporter. - prometheus-env=production. Prometheus staleness markers# vmagent sends Prometheus staleness markers to -remoteWrite. Otherwise you can add additional dimension into the query like job="jmp". static_configs: 1. So in my prometheus-rules. Satish Patel · Follow. yml file looks like, as below: Aug 18, 2021 · metric_name {instance"=“hostname:port”,“type”=“thismetrictype”} value. Prometheus seems to be labelling and setting other metadata for the target instances in an incorrect way, possibly due to a mis-configuration. metric_relabel_configs: - source_labels: [__name__] regex: my_custom_(. Jul 31, 2019 · In the next step, you can use relabeling to replace the address of each discovered instance from private IP to public IP. +) target_label: instance. prometheus relabel config instance hostname only. I need to extract foo value to the new label "hostname" and then add add port value ":9100" to ip and assign it to target_label: instance. This made a difference, but the metric ingestion broke. I read I should use metric_relabel_config but I don't understand how. static_configs: Nov 8, 2021 · It works in the following way: The count(is_up) by (label_a) counts is_up series grouped by label_a. json file using file_sd_configs in prometheus. yaml, I changed this: expr: kube_pod_status_phase{phase="Failed"} > 0 to this: May 29, 2020 · To do that, you just need to do a metric_relabel configuration. 1 Explanation. The flat lines are not flat, they increase only a little bit over the time. ), the configuration file defines everything related to scraping jobs and their instances, as well as which rule files to load 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. Nov 18, 2019 · You need to use the Prometheus "relabel_config" feature, for example, you can change all different instance labels to just "example". If you want to filter your dashboard data based on the instance name you need a Grafana variable. 3. I am presuming it's something along the lines of - source_labels: [__meta_dockerswarm_service_label_prometheus_port] regex: (\d+) target_label: __port__ replace: $1 action: replace Mar 7, 2022 · In other words, exported_instance is the instance label in your exporter. secret_key: value. – Prometheus is configured via command-line flags and a configuration file. If you want to specify each metric with job name, type {{job}} - {{name}} instead of {{name}} on legend input box. Whenever the alert expression results in one or more vector elements at a given point in time, the alert counts as active for these elements' label sets. What I would like is to aggregate the memory of all pods which belongs to the same app. Please refer the link here. I was under the impression that I could simply replace the default instance label with an alternate label available from a different metric, in this case node-exporter service's 'node_uname_info. yml file. For example, an API server job with four replicated instances: Oct 21, 2020 · My list of targets is in targets. Is there a similar meta label or some alternative way to extract state of the virtual machine for azure_sd_config? prometheus. Use cases: Drop unnecessary Nov 5, 2020 · This rule translates foo{instance="bar:123"} to foo{instance="bar"}. Reference: This will be used as the hostname and port for the Prometheus scrape requests. nodename' label. If you want the hostname and not the IP address, your problem may be that the "tasks. yml # my global config global: Oct 25, 2018 · Kube-state-metrics gets these from K8 API. There is no duplicate, you got 3 different metrics. Then, you can add a relabel config to extract the hostname from the label containing the instance host:port. Problem. You can use metric_relabel_configs to filter out already scraped values. with setting it to a fixed value via metric_relabel_configs. This is surprisingly difficult to do Sep 6, 2017 · Now i can able to display the corresponding host name in the Grafana dashboard instead of IP. yml file to dynamically load targets for prometheus. The node exporter even exposes it as the nodename label on the node_uname_info metric! This is not something that Prometheus can do. I'm looking to use prometheus to scrape EC2 instances registered in CloudMap. Mar 28, 2023 · If you are using a static config list, you can use the hostname instead of the IP address. Alerting rules allow you to define alert conditions based on Prometheus expression language expressions and to send notifications about firing alerts to an external service. May 3, 2023 · 傳回頂部. scrape_timeout: 15s # Timeout after 15 seconds. Remember, changing this variable Apr 1, 2022 · Let’s assume we decided that we want to drop prometheus_http_request_duration_seconds_bucket & prometheus_http_response_size_bytes_bucket metric, as it’s of no practical use to us. How should it be correctly written so that I can create multiple rules for keeping selective metrics? kubernetes. 238. 对instance进行relabel. The join is usually performed via on relabel_configs: - source_labels: ['nodename'] target_label: 'instance' I can manually relabel every target, but that requires hardcoding every hostname into Prometheus, which is not really nice. The first step simply copies the initial __address__ label (which now doesn’t include the port) to the instance label. There are several ways of providing dynamic targets to your Prometheus. prometheus-operator 對instance進行relabel See also relabel debug. *'. May 7, 2016 · I want to display node hostname in my alert messages rather than internal IPs which are auto assigned to my containers. hostname}}: Instance labels will be hostnames {{ansible_facts. One of the things I've come to believe about labels on Prometheus metrics is that all metrics for a particular host should have a label for its hostname. Create a new variable: Name: isntance Typoe: Query Lable: Instance Data source: Prometheus Query: label Sep 17, 2020 · 1. azure-virtual-machine. ej bv ld kn cb no wl yl si sv