Prometheus remove instance label

Prometheus remove instance label. Oliver. Alerting rules. hostname}}: Instance labels will be hostnames {{ansible_facts. A high cardinality can increase memory usage, CPU usage, longer query times, and higher storage requirements. you can see Dataflow-Product-1 has two Templating labels and annotations. 4. Nov 21, 2022 · Hello, I’m looking for a way to get a label’s value as query result rather than just a 1 or a 0 I’ve been knocking my head all around the web for hours but I’ve yet to find a definitive working answer. '10. external_labels: env: prod cluster: project-prod-eks The community chart has it in values. And the metric node_cpu_seconds_total{component="node-exporter"} now correctly has labels namespace, pod and node. This configuration file specifies how Alertmanager should handle alerts and where to send them. All groups and messages To start Prometheus with your newly created configuration file, change to the directory containing the Prometheus binary and run: # Start Prometheus. 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. if you want to delete everything just use x. You should consider making the regex independent of the port. However, we’re not specifying any match group’s in our replacement string, so the entire string is Conversations. Here’s a sample alertmanager. If you're using the "Graph" panel, then set the "Panel > Display > Stacking and null value > Null value" option to "null as zero". Both the Prometheus and PrometheusAgent CRD have a scrapeConfigSelector field. 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. Apr 10, 2024 · None: Instance labels will be IP addresses (default) {{ansible_facts. 👉. 168. Sep 27, 2021 · nhatfield. ; source_labels: we're utilizing the label __name__ to get the desired metric, since this itself is a label which has value of metric name. When exporting metrics, Prometheus adds a job and instance label to the exported metrics, which are a nuisance when displayed in the panel legend or in the whatever-it’s-called-that-pops-up-when-the-cursor-hovers-over-the-graphed-metrics. I'm hoping there is a way to resolve Prometheus labels in Grafana alert notification names/messages. All groups and messages This tells Prometheus that you want to do some action against metrics with these labels. and my Prometheus server is scraping values from both instances. I tried to use code bellow, but unfortunately it doesn’t work. This can have implications for the performance and scalability of Prometheus, as each distinct label combination creates a separate time series in the system. # With "honor_labels: true" Prometheus will save those as "exported_job" and "exported_instance" respectively. In this guide, you will: Start up a Node Exporter on localhost. The primary data structure for dealing with time series data is the sample, defined as: type sample struct { Labels map[string]string Value interface{} } The metric name of the sample is encoded in a special __name__ label in the Labels map. +) target_label: instance. yml and update the prometheus_instance_label variable accordingly. *". An example: - job_name: pushgateway # This is necessary if metrics in pushgateway have "job" or "instance" labels. Jul 24, 2021 · I. replacement: '${1}'. 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 usage. - source_labels: [exported_instance] target_label: foo. The instance takes care of that. *)' target_label: '### use extracted regex group Aug 28, 2019 · By choosing a single always existing source label ( __address__ always exists), you are guaranteed to get a source match for replacing the target_label with. . For you the code may like this: - job_name: 'development'. Gauge: A gauge metric can increase or decrease. There are several pitfalls when blindly using the Pushgateway instead of Prometheus's usual pull model for general metrics collection: When monitoring multiple instances through a single Pushgateway, the Pushgateway becomes both a single point of failure and a potential bottleneck. Side note 2: Values are always floating-point numbers; timestamps are integers storing the number of milliseconds since the Unix epoch. e __name__=prometheus_http_request_duration_seconds_bucket Apr 1, 2022 · Keeping your Prometheus optimized can be a tedious task over time, but it’s essential in order to maintain the stability of it and also to keep the cardinality under control. But even if we do not allow the querying for unset labels, we should finally implement throwing away labels with empty values before storing and indexing them (but after the whole relabeling shebang that happens during scraping, so that empty Aug 3, 2021 · I have run two instances of my project on my local system. 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). Conversations. This will match all that is misc group. src. Then it is possible to add node_name label to any metric exposed by node_exporter with group_left() modifier during querying. While the labels mightn't be useful inside the Prometheus itself (and may even be external_labels rather than target labels), they're very useful for routing and silencing alerts. The first thing I’ll do is go to the Dashboards area of Grafana and create a new dashboard. It is recommended to initialize the label values by calling the . Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. __meta_ec2_instance_id has the benefit that if the instance is rebooted and changes public IP, you can still track it as part of the same timeseries. The same expression, but summed by application, could be written like this: Basics. group_left is specifying what labels you want from the series ifDescr. yml: global: # The labels to add to any time series or alerts when communicating with # external systems (federation, remote storage, Alertmanager). This guide describes several techniques you can use to reduce your Prometheus metrics usage on Grafana Cloud. The default regex wil always match, which causes the replacement to be carried out. For example, consul_service_tags metric exposes a set of tags, which can be joined to metrics via (service_name, node) labels. They have two important labels: APP and TEAM: apiVersion: apps/v1 kind: Deployment metadata: labels: APP: AppABC TEAM: TeamABC Configure Prometheus or PrometheusAgent to select ScrapeConfigs #. Feb 22, 2018 · In prometheus-net there is one implementation, named DefaultCollectorRegistry. Histogram: A histogram metric can increase or descrease. Jun 1, 2015 · Prometheus 0. For example, the following relabeling rule Sep 11, 2023 · newAnnot2: value2. , a time series in Prometheus is defined by a combination of a metric name and a particular set of key-value labels. The following binary arithmetic operators exist in Prometheus: + (addition) - (subtraction) * (multiplication) / (division) % (modulo) ^ (power/exponentiation) Binary arithmetic operators are defined between scalar/scalar, vector/scalar, and vector/vector value pairs. In Prometheus terms, an endpoint you can scrape is called an instance , usually corresponding to a single process. 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. It just has to be something that's unique to this instance. RemoveLabelled(), you can simply clear all registrations by using DefaultCollectorRegistry. ” For example, this expression returns the unused memory in MiB for every instance (on a fictional cluster scheduler exposing these metrics about the instances it runs): (instance_memory_limit_bytes - instance_memory_usage_bytes) / 1024 / 1024. The following endpoint returns various cardinality statistics about the Prometheus TSDB: GET /api/v1/status/tsdb URL query parameters: - limit=<number>: Limit the number of returned items to a given number for each set of statistics. It leaves the leading ; so that in both Dec 20, 2019 · This made no difference. target_label: __param_target - source_labels: [__address__] source_labels: [__address__] target_label: instance - target_label: __address__ Feb 24, 2020 · 9. *abc. Prometheus seems to be labelling and setting other metadata for the target instances in an incorrect way, possibly due to a mis-configuration. because they are coming from two different instances. I will then create a new panel, and title it “Extract Prometheus Labels. ###Find out the directory of old job. Remove data from memory itself and don't. Worse, even if I select a metric by Nov 5, 2020 · Removing unneeded labels. Prometheus needs to make sure every metric has a unique source. Identifying the unnecessary metrics at source, deleting the existing unneeded metrics from your TSDB regularly will keep your Prometheus storage & performance intact. This guide will show you how to deploy the Prometheus operator, set up a Prometheus instance, and configure metrics collection for a sample application. clear() In order to make use of this new block data, the blocks must be moved to a running Prometheus instance data dir storage. All groups and messages 1. I have a few file_sd configs with targets in format 'ip hostname' e. ) To find out which instance has the memory problem I have to go into Grafana. test=2. You cannot achieve this with vector selectors but you can use union operator OR to get the union of selections: node_cpu_seconds_total{cpu=~". Oct 13, 2016 · In Prometheus configuration I'd like to relabel_configs so that the value of __address__ is the current value of address plus the port. 1. regex: "-". Delete Time Series Metrics. 10. Clear(). static_configs: - targets: [ '192. 12. - server3. Implications: As job labels, any instance labels in the pushed metrics will always be overridden according to the POST/PUT URL (even the instance label is missing in the URL, it will then set to instance="" in the Jul 31, 2023 · Prometheus Querying – Breaking Down PromQL. # remove exported_instance label. yml: global: external_labels Jul 24, 2023 · In cases where you use a difference scheme (such as https) or port (e. rule 2: probe_success {application="this"} == 0. Here is my solution: use job_name as the group label. Sep 1, 2022 · For example, the following relabeling rule replaces all the - chars with . The name of the label to drop must be specified as a regular expression in regex. source_labels: [hostname] target_label: hostname. if I run the same "dataflow" (one of my APIs which generates these metrics). i. * and it will include all metrics. In your example this should result in something like this: Querying Prometheus. g. Use the following syntax to delete all time series metrics that match some label: Jun 22, 2017 · This may or may not be prometheus specific, but here it goes anyway. - job_name: 'prometheus'. * but not group by. This is to mimic the default behavior of node Nov 25, 2019 · target_label: node. Remember, changing this variable Aug 21, 2020 · If you want to see only 1 time series instead of 3 you either have to filter so that you end up with a single series or you aggregate them together for example with sum() or avg(), generally. When pods are deployed, their deployment has certain pod-related labels as shown below. static_configs: - targets: - server1. The Prometheus Operator’s goal is to make running Prometheus on top of Kubernetes as easy as possible, while preserving Kubernetes-native configuration options. It will remove the particular old job from Prometheus. - server2. com Mar 7, 2022 · In other words, exported_instance is the instance label in your exporter. example. To post to this group, send email to prometheus-users@googlegroups. Mar 14, 2023 · It merely adds a leading _ (indicating that this manually set) and a dummy :0 port to be removed again later. To implement this feature, modify the configuration file /etc/kolla/globals. Labeldrop & Labelkeep. from both the instance then it creates two graphs. but kube_ 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. Enter the label name as the legend using the {{[LABEL]}} notation (here {{app_state}} ). The result of each expression can be shown either as a graph, viewed as tabular data within Apr 16, 2018 · Firstly the admin API is not enabled by default in Prometheus 2. We’ve added two relabeling steps. This can be done with action: labeldrop. yml file: global: resolve_timeout: 1m. answered Jul 18, 2017 at 2:57. I have the same question before. answered Jul 12, 2018 at 7:35. c = Counter('my_requests_total', 'HTTP Failures', ['method', 'endpoint']) Sep 8, 2021 · The problem is, you can have multiple instances per pod. . 11. Mar 7, 2023 · I'm adding serves to my prometheus config like this: - job_name: cluster1. To unsubscribe from this group and stop receiving emails from it, send an email to prometheus-users+unsubscribe@googlegroups. This field needs to be set to a list of labels to match ScrapeConfigs: spec: scrapeConfigSelector: matchLabels: prometheus: system-monitoring-prometheus. The result of an expression can either be shown as a graph, viewed as tabular data in Prometheus's expression browser, or consumed by external systems via the HTTP API. New in v2. # By default, Prometheus stores its database in . 14. For example, the following relabeling rule drops all the label names starting with foo: 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" Jul 18, 2017 · 16. Existing label can be updated with the relabeling rule mentioned above: This rule rewrites metric{foo="aaaa"} with metric{foo="bar"}. Simulating Dynamic EC2 Environment Oct 27, 2020 · It was closed because of inactivity but it did have a lot of people asking for it and even the person closing it said he thought it was a good idea. Example: Feb 15, 2019 · grep -irl "Old job name" . If no custom instance is provided on exporter startup, the DefaultCollectorRegistry. test=1. all independent metrics that match the regex above will show as a separate metric not all as Oct 19, 2023 · According to examples in Prometheus' documentation you should use printf to prepare query if it uses labels of your current alert, and feed result into query using pipe. Prometheus relabelling to get rid of port Jul 22, 2016 · Go to the "Queries" tab: Enter the name (here db2_prometheus_adapter_info) of the metric. Feb 7, 2022 · Both manual rewriting and using prometheus-alert-overrider will give the same result: you get a modified set of rules, that are later used by Prometheus. I’m curious if it will negatively impact the operations of Prometheus if we drop instance label in favor of pod_name / hostname? Relabel Prometheus metrics to reduce usage. The flat lines are not flat, they increase only a little bit over the time. In this article we’ll look at both identifying Nov 6, 2023 · - action: hashmod source_labels: [instance] target_label: instance_hash modulus: 100 This would take the instance label's value, apply a hash function, and take the result modulo 100, storing it in instance_hash. if I define both rules then I'll have two alerts for same problem. replacement: ". Mar 10, 2023 · I’m adding serves to my prometheus config like this: - job_name: cluster1 static_configs: - targets: - server1. Source and Statistics 101. But in the Grafana dashboard if you put the last 5 mins time range you cannot able to see metrics related to that job and you can Sep 12, 2018 · To enabled it, pass --web. Please let me know if solution (1) is fine. It is a powerful functional expression language, which lets you filter with Prometheus’ multi-dimensional time-series labels. answered Jul 5, 2021 at 18:13. Why is this important? Promql not have lable_remove function to remove the lable, so use label_replace to complete it. The Prometheus Node Exporter exposes a wide variety of hardware- and kernel-related metrics. Getting Started. Note on the "Instant" setting: This setting switches from a Oct 7, 2021 · You can use metric_relabel_configs to rewrite labels after scraping. 38 and below, the flag --storage. Prometheus should start up. action: replace. The reason for that is, the main label __name__ will be generated post scraping. Note that this is rather an odd kind of request. /data (flag --storage. one is firing from first rule and one from second one. path (for Prometheus versions v2. Additionally, you can visualize Prometheus metrics for individual EC2 instance targets by utilizing the instance_id label, as shown in Figure 5. 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. Before applying these techniques, ensure that you’re deduplicating any samples sent from high-availability Prometheus clusters. otherwise, you'll get an exception. (e. metric_relabel_configs: - source_labels: [__name__] regex: my_custom_(. service prometheus restart. kube_pod_info{component="kube-state-metrics"} already had namespace, pod and node labels and hence exported_labels were generated. 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. With this example, all ScrapeConfig having the Jul 11, 2018 · Try this: {__name__=~". To have these labels correctly, I need to have This is extracted from #5845. This made a difference, but the metric ingestion broke. com - server2. Enable Prometheus's dimensional data model to identify any given combination of labels for the same metric name. For example, the following PromQL query adds node_name label from node_meta metric to node_memory_Active_bytes metric: Oct 25, 2018 · Prometheus simply scrapes the metrics from KSM - this way Prometheus doesn't need to scrape the individual pods. By default this value is set to . As I don't expect clearing tombstones to be very frequent, persisting might be fine, as it will be compacted later on anyway. The ignoring clause means don't use the ifDescr label for matching (as it's only on one of the series). yml: serverFiles: prometheus. Under Data source, I’ll choose the Jan 8, 2024 · Configuring Alertmanager. Start up a Prometheus instance on localhost that's configured to scrape metrics from the running Node Exporter. Sometimes it is needed to remove certain labels before storing metrics in Prometheus or VictoriaMetrics. This will cut your active series count in half. Before sending alerts to the same Alertmanager instance from both replicas, Prometheus needs to remove this replica label so that Alertmanager does not interpret the incoming alerts as different (otherwise, you will get two notifications for the same alert, one with the label replica="A" and one with replica="B"!). May 25, 2018 · x=Gauge(metric_name, metric_description, label_names) x. remove the name label). Can you allow the ability to overide the instance label? This should give users the ability to push a single metric name, for many instances. I honestly don't know what I like better, but without any of them we kind of find ourselves in a dilemma. Go to the "Visualization" tab: Choose the value "Name" under "Value - Stat". A collection of instances with the same purpose, a process replicated for scalability or reliability for example, is called a job. Here's the config, to scrape multiple targets and label each one: scrape_interval: 5s. This prevents the instance label from being automatically set later. import pprint from prometheus_client import Gauge # --- At one location, a Sep 15, 2020 · You don't have to use the public_ip for the instance label; you might prefer __meta_ec2_instance_id for example. nodename}}: Instance labels will FQDNs. Once moved, the new blocks will merge with existing blocks when the next compaction runs. 0 allows you to specify multiple SRV records to be queried in a single scrape configuration, and also provides service-discovery-specific meta information that is helpful during the relabeling phase. enable-admin-api flag to Prometheus through start-up script or docker-compose file, depending on installation method. As an alternative to . on Sep 12, 2021. server 2: metric. 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 The Prometheus templating language is based on the Go templating system. The docs specify the following: “… label conflicts are resolved by renaming conflicting labels in the scraped data to "exported_" (for example "exported_instance", "exported_job") and then attaching server-side labels. Every such time series is stored separately on the Prometheus node in the form of an Proposal Use case. To integrate Alertmanager into your Prometheus setup, you need to create an alertmanager. path). This resets the data set to an Mar 4, 2024 · Figure 4: Visualizing Prometheus metrics of dynamically scrapped targets. ifIndex, instance and job will be used. relabel_configs: - source_labels: [__address__] target_label: instance. As you can see, label_join() isn't the best function for label renaming. When Prometheus adds target labels to a scrape, conflicts with existing labels may arise and have to be solved. 8080 ), the regex you supplied above will not work. Data Structures. Prometheus will only let you use grouping on operations between series. file=prometheus. yml file. with setting it to a fixed value via metric_relabel_configs. relabel_configs: - source_labels: [__address__] Monitoring Linux host metrics with the Node Exporter. The join is usually performed via on We only recommend using the Pushgateway in certain limited cases. Instance singleton is used. tsdb. Jobs and instances. e. 1 Explanation. To limit which metrics with these labels are affected, you must include some value for regex. *"} BUT there is no all label values selector - meaning you have to specify all labels. - action: labeldrop. Attempts such as the following do not work: relabel_configs: - source_labels: [node_exporter_port] regex: (. The perfect solution seems to be something like this: relabel_configs: - source_labels: - '__meta_ec2_tag_ (. Not sure how much effort we should invest into making it faster. You won’t have access to do this on Play, but you could follow along on your instance of Grafana. 6. ”. The best way around this is to avoid using any of the special labels in the exporter. labels() method alone: from prometheus_client import Counter. When querying the DNS-SRV records, a label named __meta_dns_name is attached to each target. – trallnag. You can use templates to include data from queries and expressions in labels and annotations. static_configs: Oct 2, 2021 · You can add external_labels to your prometheus. Summary. Activate the "instant" option. allow-overlapping-blocks must be enabled). enable-admin-api Jan 23, 2018 · Persist in-mem block, which will remove tombstones in the process (tried and tested, working). +"} That will give you everything where group starts with "misc group". 12 foo'. regex: "([^:]+). Figure 5: Visualizing Prometheus metrics of specific scrapped target. I’ve found the topic been asked on different websites (including but not limited to stackoverflow and github of course) and tried everything suggested without success. This must be made active by starting the server with the option--web. Between two scalars, the behavior is obvious: they evaluate to another scalar Jul 5, 2021 · Try the following options. For example: server 1: metric. See full list on grafana. TSDB Stats. There are also functions like topk but people cannot recommend you the right thing without knowing more about your use case. The first step simply copies the initial __address__ label (which now doesn’t include the port) to the instance label. com. Feb 20, 2019 · (Note my failed attempt to resolve a Prometheus label value in the alert name and message. com 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 with “mysql” and server2 with Feb 7, 2022 · Both manual rewriting and using prometheus-alert-overrider will give the same result: you get a modified set of rules, that are later used by Prometheus. in hostname label name: - action: replace_all. 5k 2 37 43. /prometheus --config. In this case, it will drop all metric data points coming out of Prometheus via remote write. It identifies a particular dimensional instantiation of that metric (for example: all HTTP requests that used the method POST to the /api/tracks handler). Mar 7, 2022 · 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. manual rewriting. 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 Apr 1, 2022 · metric_relabel_configs: metric relabeling process starts once the metrics is scraped. Even on this Nov 6, 2020 · Joins on different labels in Prometheus "identifying labels" to be a well-established concept in Prometheus, to allow multiple identifying labels, as well as the non-existance of instance (for example being replaced with pod in this case). to allow prometheus to map both servers using the same metric name. Feb 23, 2023 · Display metric labels in a table. Delete that directories which all listed by the above grep command. remove(label_values_list) Note:- you must provide all values of the label instance you want to delete and the order must match the label_names that were declared when the gauge metric was created. 1:9100' ] May 15, 2019 · 1. The labeldrop and labelkeep actions allow you to remove or keep labels selectively. *) target_label: __address__ replacement: [__address__]:${1} EDIT: The following seems to work: Jan 30, 2015 · Recent discussions: Match for unset labels will be very slow to process in a query. This answer explains how to export node name via node_name label at node_meta metric. Alin Sînpălean. Marcelo Ávila de Oliveira. add more target option to separate instance and add labels. Cool Tip: Install Prometheus using Docker on Ubuntu and CentOS! Read More →. com - server3. If, as you described in tl;dr, you have a label ignore in every metric (or at least every metric of ignored endpoints) I would argue manual rewriting is the correct way Sep 20, 2022 · I use prometheus client, but have issues specifying the correct label values, corresponding to a metric I just created. This documentation is open-source. Prometheus has its own language specifically dedicated to queries called PromQL. We wrote: Conversations. Jan 17, 2019 · The outer label_join() substitutes the original name label with an empty string (e. If, as you described in tl;dr, you have a label ignore in every metric (or at least every metric of ignored endpoints) I would argue manual rewriting is the correct way Feb 14, 2018 · 0. The label_replace() isn't the best function for label renaming too. Query Functions: rate - The rate function calculates at what rate the counter increases per second over a given time window. May 18, 2018 · You received this message because you are subscribed to the Google Groups "Prometheus Users" group. Please help improve it by filing issues or pull requests. If you're using the "Bar gauge" panel, then set the "Field > Standard options > No Value" option to "0". slack_api_url: 'add slack webhook url'. The second step replaces the __address__ label with a new value. The only thing I can think of is to change them to something like this: rule 1: probe_success {application!="this"} == 0. The query language allows filtering and aggregation based on these dimensions. flow this link to join metric from container_cpu_usage_seconds_total and kube_pod_labels. " action: labelmap_all replaces all the regex occurrences in all the label names with the replacement. +",container=""} There needs to be at least one non-empty matcher (hence the + in the __name__ regular expression, * wouldn't cut it). yml. Under Data source, I’ll choose the 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. And the way you query for a missing label is by checking for equality with the empty string. replacement: 'no-instance'. Counter: A counter metric always increases. Metrics with labels are not initialized when declared, because the client can’t know what values the label can have. Jan 30, 2015 · Step 1: Change Pushgateway's behavior to add an empty instance label when no instance label or an empty instance label is given. Apr 14, 2018 · 85. You can use a regex query: my_metric{group=~"misc group. edited Jul 6, 2021 at 1:24. High-label cardinality means that a metric has many unique label combinations. replacement: $1. The value of ifDescr is always "1" so it's safe to multiply. xi tz kv nm zu mx js cb cm ar