Prometheus Scrape Config Example Https

Open your Prometheus config file prometheus. Please suggest me the solution, I am trying to do this from so long. For example: Prometheus config map for the alerting rules. Scrapy is controlled through the scrapy command-line tool, to be referred here as the “Scrapy tool” to differentiate it from the sub-commands, which we just call “commands” or “Scrapy commands”. Example scrape_configs: # The job name is added as a label `job=` to any timeseries scraped from this config. Right now we're using Prometheus for our monitoring and we have a lot of config (our prometheus. Why Use Prometheus for Kubernetes Monitoring. Prometheus is watching over k8s API so when it detects this kind of changes it will create a new set of configuration for this new service (pod). Inside the job we have a static_config block, which lists the instances. In this tutorial, we will explain how to install Prometheus on Ubuntu 18. Prometheus can be set up on any Linux-based system, but pgMonitor currently only supports running it on RHEL/CentOS 7. Following the Prometheus autodiscovery labeling protocol, the Sysdig agent will look for the following annotations: prometheus. scrape_configs: # The job name is added as a label `job=` to any timeseries scraped from this config. docker_exporter. The Prometheus configuration should be adjusted for different amounts of available resources as stated in Step 1 of this article. metadata: name: prometheus-service namespace: monitoring annotations: prometheus. Function type: Input. $ ~/prometheus $ cat prometheus. This walk-through example will encourage you to build an Apache Camel application from scratch, deploy it in a Kubernetes environment, gather metrics using Prometheus and display them in Grafana. Configuration of Tuleap¶. Promtail configuration. # Example scrape config for pods # # The relabeling allows the actual pod scrape endpoint to be configured via the # following annotations: # # * `prometheus. [ scrape_interval: | default = ] # Per-scrape. Since fluentd_input_status_num_records_total and fluentd_output_status_num_records_total are monotonically increasing numbers, it requires a little bit of calculation by PromQL (Prometheus Query Language) to make them meaningful. To do this, we firstly need to create a YAML file with the configuration e. This goes through the declaration of a new job_name into scrape configuration the prometheus. What can you do with the prometheus-specific feature of relabeling? Look how you can change, add, remove metrics, config, and label within Prometheus with this talk I have given at PromCon Munich. Prometheus and Grafana start up fine, however, when I go to the Targets page in Prometheus nothing is appearing. Start Monitoring Prometheus Metrics in SignalFx. Crunchy Data additionally makes Prometheus available on Windows Server 2012R2 for their customers. io/scrape`: Only scrape services that have a value of `true` # * `prometheus. When a secure connection is passed from NGINX to the upstream server for the first time, the full handshake process is performed. The spider will not do any parsing on its own. Save and test your configuration to verify that it works. In our example, the prometheus. external_labels: monitor: 'codelab-monitor' rule_files: - 'prometheus. That's it - nothing else is necessary to get your machine-level metrics into Prometheus. Scraping application metrics with Prometheus. The prometheus. The one-page guide to Prometheus: usage, examples, links, snippets, and more. The configuration parameters in this API can be set individually using --set options on the command line. jmx-exporter config example:. yaml" file to scrape from our servers running at localhost:9888, localhost:9988 and localhost:9989. To configure the Prometheus JMX Exporter in the slave server’s agent, you must turn it on in "slave proxy mode" via these settings within the local agent configuration file. But when I am configuring it n the prometheus config, I cant get any metrics in prometheus or in grafana. Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. As we want to have more precise information about the state of our Prometheus server we reduced the scrape_interval to 5. springframework. You can modify the Prometheus configuration in prometheus/prometheus. Instance: A label that uniquely identifies a target in a job. You will do this twice, under both server & alertmanager manifests. The default is every 1 minute. The demo instances are not yet running but will run on port 8080, 8081, and 8082 later. Crunchy Data additionally makes Prometheus available on Windows Server 2012R2 for their customers. io/probe etc. For sure we will need to update it so Prometheus can collect metrics from our example app. To learn how to set up a Prometheus server to scrape this HTTP endpoint and make use of the collected metrics, see Prometheus’s Getting started guide. linux-amd64 containing two binary files (prometheus and promtool), consoles and console_libraries directories containing the web interface files, a license, a notice, and several example files. io jobs scrape_configs. io/scrape`: Only scrape services that have a value of `true` # * `prometheus. Targets are set for each scrape job in the scrape_configs section. [[email protected] tmp]# vi prometheus. The configuration file of Prometheus server will be provided by ConfigMap. Note that Let's Encrypt API has rate limiting. Prometheus works with a pull model, which is why it needs to be configured to know about the endpoints to pull metrics from. With the configuration we used in our example, Prometheus will automatically scrape all node exporters for metrics, once they are deployed. This is defined in the configuration file as the scrape_interval parameter, which by default is set to 60 seconds. This can be over written with the individual jobs scrape_configs. The default is every 1 minute. This sets up a prometheus instance, that will scrape applications that are deployed with the app: config-example label using the provided configuration to access it. The spider will not do any parsing on its own. See this example Prometheus configuration file for a detailed example of configuring Prometheus for Kubernetes. yml -n istio-system. The solr-exporter works by making a request to Solr according to the definitions in the configuration file, scraping the response, and converting it to a JSON structure Prometheus can understand. linux-amd64 containing two binary files (prometheus and promtool), consoles and console_libraries directories containing the web interface files, a license, a notice, and several example files. Defaults to prometheus; PROMETHEUS_PASSWORD: The password used to access Prometheus metrics. The following command launches the container with the prometheus configuration. It collects metrics from configured targets via HTTP calls at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some conditions are met. In Prometheus terms, an endpoint you can scrape is called an instance, usually corresponding to a single process. # A scrape configuration containing exactly one endpoint to scrape:# Here it's Prometheus itself. We do not have any rule_files yet, so the lines are commented out and start with a #. A plugin for prometheus compatible metrics endpoint This is a utility plugin, which enables the prometheus server to scrape metrics from your octoprint instance. Edit This Page. So theoretically I could provide an endpoint /metrics to each application and configure my docker-compose up file including prometheus config file where the list of scraping urls are defined. yml file to scrape the CEM instance. To prevent this, we need to set up monitoring as…. /config: to see the current configuration of Prometheus. I would like to split this out into logical groupings (maybe DEV/TEST/PROD?) but I can't seem to find any documentation as to how to use "includes" (or similar) in the Prometheus config file syntax. # scrape_timeout is set to the global default (10s). Consul is a service discovery tool by hashicorp, it allows services/virtual machines to be registered to it and then provide dns and http interfaces to. Please note that the configuration works under the following conditions. The last line ` - targets: … ` specifies the host name and port of the Fn server from which metrics will be obtained. To prevent this, we need to set up monitoring as…. Monitoring a Node. yml file to scrape the CEM instance. io/path`: If the metrics path is not `/metrics` override this. Let’s create the core configuration file. Before a job gets terminated, it can push metrics to this gateway, and Prometheus can scrape the metrics from this gateway later on. The archive contains many important files, but here is the main ones you need to know. This article describes the basic configuration of a proxy server. Right now we're using Prometheus for our monitoring and we have a lot of config (our prometheus. yml file and configure a scrape config for the collector targets. Prometheus. This makes the OpenCensus Service a drop-in replacement for Prometheus' scrapers but with the added advantage that now your stats from all sorts of applications can be converted into OpenCensus Metrics and exported to diverse exporters. I will show you that app later on. However, when I query that data, for example kong_http_status, prometheus indicates a resolution of 14s. This is a cheat sheet for the Gitea configuration file. There are three blocks of configuration in the example configuration file: global, rule_files, and scrape_configs. It states n/a in every graph. Data comes in pod from secrets rely on Kubernetes functionality and prometheus. The second step is to update the Prometheus scrape configuration(s) to use the NGINX proxy. At Spreaker (self promotion - we're hiring!) we're slowly migrating to Prometheus, and thus a correct understanding in how it works is very important. What can you do with the prometheus-specific feature of relabeling? Look how you can change, add, remove metrics, config, and label within Prometheus with this talk I have given at PromCon Munich. Flask by Example – Implementing a Redis Task Queue Add in the back-end logic to scrape and then process the word counts from a webpage using the use the URL. The name fnserver used in this example is defined below in the docker command to start Prometheus server. If the URL has a path portion, it will be used to prefix all HTTP endpoints served by Prometheus. io/scrape`: Only scrape pods that have a value of `true` # * `prometheus. scrape_configs: # The job name is added as a label `job=` to any timeseries scraped from this config. Prometheus is an open source monitoring system which is very lightweight and has a good alerting mechanism. Configure Prometheus Server to Scrape Metrics From Our Exporter. :8080 means the Prometheus server will listen to port 8080. This is because the Prometheus service itself generates metrics about itself. # * `prometheus. Prometheus works with a pull model, which is why it needs to be configured to know about the endpoints to pull metrics from. The operator uses ServiceMonitor custom resources (CRs) to scrape IP addresses defined in Kubernetes Endpoints. js's cluster module. While a Prometheus server that collects only data about itself is not very useful in practice, it is a good starting example. Used for generating relative and absolute links back to Prometheus itself. Also since, the deb-prometheus-prometheus is of type NodePort, you can use the ip address of any node of the ICP cluster to reload the Prometheus changed configuration. emulationstation. yaml configuration. If that's the case, you'll need to include the Istio scrape targets manually in your configuration. yml: the configuration file for Prometheus. Trying it out. To configure the Prometheus JMX Exporter in the slave server’s agent, you must turn it on in "slave proxy mode" via these settings within the local agent configuration file. io/scrape" # Whether k8s nodes need to be labelled to be scraped or not. As Prometheus is responsible for requesting the metrics, it is considered a pull system. Under "scrape_configs", we create a job_name called "activemq", override the global "scrape_interval" for this job to 5 seconds, and tell Prometheus to hit "[hostname]:8080" for the data, which will correspond to the hostname and port that you configured in the JMX Exporter config. If more than one query is passed, round robin balancing is performed. prometheus / documentation / examples / prometheus. yml, and add your machine to the scrape_configs section as follows:. If a Prometheus server is already running in cluster and if it is configured in a way that it can discover service endpoints, no extra configuration will be needed. This example uses a test client. Inside the job we have a static_config block, which lists the instances. Prometheus Operator uses a CRD, named ServiceMonitor, to abstract the configuration to target. How to Setup Monitoring for Docker Containers using Prometheus December 12, 2016 Updated December 11, 2016 By Dwijadas Dey CONTAINERS , MONITORING , TRENDING Prometheus is a next-generation open source monitoring system from SoundCloud and is designed for monitoring such as the generation and collection of metrics, graphing the resulting data. To learn how to set up a Prometheus server to scrape this HTTP endpoint and make use of the collected metrics, see Prometheus’s Getting started guide. A collection of instances with the same purpose, a process replicated for scalability or reliability for example, is called a job. Prometheus Operator reads service monitor resources and identified namespaces for generating part of configuration (section scrape_configs) and save configuration to secret. kubectl delete svc prometheus example-app kubectl delete ClusterRoleBinding prometheus kubectl delete ClusterRole prometheus kubectl delete ServiceMonitor example-app kubectl delete deploy example-app kubectl delete sa prometheus kubectl delete prometheus prometheus kubectl delete -f bundle. In the side menu under the Dashboards link you should find a link named Data Sources. The third is correctness. io/scrape`: Only scrape pods that have a value of `true` # * `prometheus. io/scrape`: Only scrape services that have a value of `true` # * `prometheus. This plugin has no visible UI!. It collects metrics from configured targets via HTTP calls at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some conditions are met. In this post i will explain about the prometheus configuration for network devices. The next step in the setup is to specify the. Prometheus¶ A typical Prometheus deployment scrapes metrics by requesting them from an HTTP endpoint exposed by instrumented targets. yml # my global config global: scrape_interval: 15s # Set the scrape interval to every 15 seconds. Customize your Prometheus integration's configuration with New Relic as needed. # # The relabeling allows the actual service scrape endpoint to be configured # via the following annotations: # # * `prometheus. yml file to scrape the CEM instance. The Prometheus stack is based on Borgmon, which is how Google does monitoring / alerting for service level metrics. io/scheme`: If the metrics endpoint is secured then you will need # to set this to `https` & most likely set the `tls_config` of the scrape. This assumes the location of a Prometheus configuration file (prometheus. The compactor needs local disk space to store intermediate data for its processing. evaluation_interval: 15s # Evaluate rules every 15 seconds. First, you need a running Kubernetes cluster v1. Improve Prometheus Monitoring in Kubernetes with Better Self-Scrape Configs. This goes through the declaration of a new job_name into scrape configuration the prometheus. Default is every 1 minute. Ambassador Edge Stack uses Envoy Proxy, which has Observability to expose a multitude of statistics about its own operations. The number of seconds between when /metrics is scraped controls the granularity of the time-series database. If all hosts fail their health check the proxy plugin will fail back to randomly selecting a target and sending packets to it. Re: [tor-bugs] #33027 [Internal Services/Tor Sysadmin Team]: Add blackbox exporter to prometheus ext. global: scrape_interval: 15s # Set the scrape interval to every 15 seconds. For example a CronJob may only run for a few seconds - not long enough for Prometheus to be able to scrape the HTTP endpoint. # Example scrape config for pods # # The relabeling allows the actual pod scrape endpoint to be configured via the # following annotations: # # * `prometheus. In the example below, Grafana will fire an alert if the average servlet execution time is greater than 100 msec. Prometheus Basics. This packages exports Uptime Robot monitor results as Prometheus metrics. Thanks Animesh. It is a wrapper around the prometheus-exporter monitor that provides a restricted but expandable set of metrics. The scrape jobs are largely specific to the type of end point in use. Prometheus: understanding the delays on alerting 16 Nov 2016 by Marco Pracucci Comments. For example, we can configure to use EC2 config so that The application which has only one application instance can provide the Prometheus scrape end-point without any problem as this can. Carlos Rolo is a Datastax Certified Cassandra Architect, and has deep expertise with distributed architecture technologies. using the official Docker images. Monitoring will automatically adjust when the system scales up or down. reloadCh chan 里面发送一个 error。 在 Prometheus 的 cmd/promethteus/main. The Prometheus Metrics Page. The default Prometheus SNMP Exporter requires each "module" in snmp. Here are the example PromQLs for common metrics everyone wants to see. Defining thresholds to alert on. Save the following basic Prometheus configuration as a file named prometheus. How does Prometheus label replacement work? This is an example metric_relabel section from a Prometheus configuration. For a full list of the kube-state-metrics visit the GitHub page. Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. Its architecture is modular and comes with several readily available modules called exporters, which help you capture metrics from popular software. For ArangoSync you should configure scrape targets for all sync masters and all sync workers. A sample file is provided here. Now all that's left is to tell Prometheus server about the new target. The Reset Key button will invalidate the key and generate a new one. We take community information from target configuration (see next section). You'll need to provide the API key of your uptimerobot. Federation allows a Prometheus server to scrape selected metrics from another Prometheus server. Select Prometheus from the Type dropdown. Crunchy Data additionally makes Prometheus available on Windows Server 2012R2 for their customers. , having myhass as the namespace will cause the device tracker metrics to be myhass_device_tracker_state, the switch metrics to be myhass_switch_state and so on. Example Prometheus Operator manifest. This goes through the declaration of a new job_name into scrape configuration the prometheus. Its giving me the metrices list. x first (OCP 3. yml is the configuration file that contains these blocks: global, rule_files, and scrape_configs. In this post i will explain about the prometheus configuration for network devices. The monitoring community has been having a debate for a while now about push vs. The Prometheus Operator is simple to install with a single command line, and enables the configuration and management of Prometheus instances using simple declarative configuration that will, in response, create. The demo instances are not yet running but will run on port 8080, 8081, and 8082 later. The nri-prometheus-latest. Thanks in advance. io/scrape`: Only scrape services that have a value of `true` # * `prometheus. RetroArch and libretro provide a way to take an existing emulator and load that emulator as a library or "core". Please be aware Prometheus support is alpha at best, It hasn't been extensively tested and is still in development All it provides is the sending of data to a a Prometheus PushGateway. evaluation_interval: 15s # Evaluate rules every 15 seconds. Its installation and initial configuration are relatively easy. The default configuration monitors the prometheus process itself, but not much beyond that. Integrate Grafana with Prometheus for Monitoring. # # The relabeling allows the actual service scrape endpoint to be configured # via the following annotations: # # * `prometheus. The example of the Prometheus configuration file specifies: - weblogic/welcome1 as the user credentials - Five seconds as the interval between updates of WebLogic Server metrics. The Prometheus addon is a Prometheus server that comes preconfigured to scrape Istio endpoints to collect metrics. Prometheus uses the configuration to scrape the targets, collect and store the metrics before making them available via API that allows dashboards, graphing and alerting. io/) is a great tool to monitor Kubernetes cluster and pods. # my global config global: scrape_interval: 15s # Set the scrape interval. for example global scrape. Prometheus and InfluxDB are powerful time series database monitoring solutions, both of which are natively supported with graphing tool, Grafana. /config: to see the current configuration of Prometheus. Prometheus is an "open-source service monitoring system and time series database", created by Sou. 0 below as well. In a fast, simple, yet extensible way. Collect Docker metrics with Prometheus Estimated reading time: 8 minutes Prometheus is an open-source systems monitoring and alerting toolkit. The configuration file of Prometheus server will be provided by ConfigMap. io/scrape` set to true and the. The following is an example configuration file with recommendations: # global config global: scrape_interval: 15s # Set the scrape interval to every 15 seconds. Prometheus is a time series database for your metrics, with an efficient storage. Because Prometheus is exposed as ClusterIP by default, the web UI cannot be reached outside of. Kafka cluster configuration. There are two terms that are used to describe monitoring - whitebox and blackbox. The Prometheus addon is a Prometheus server that comes preconfigured to scrape Istio endpoints to collect metrics. Our default configuration has one job defined called prometheus. yml配置文件中,增加下面任务定义到scrape_config区域中, 并重启Prometheus服务: scrape_configs: - job_name: 'example-random' # Override the global default and scrape targets from this job every 5 seconds. Building a Node. This article describes how you can configure the Azure Monitor for containers agent to scrape metrics from Prometheus with your Kubernetes cluster. For each cluster and project that is enabled for monitoring, Rancher deploys a Prometheus server. 101 (worker's IP is 192. Optionally, there are remote_read, remote_write, alerting. yml to have its own SNMP community and SNMP v3 authentication block. LibreNMS user and developer documentation. As we want to have more precise information about the state of our Prometheus server we reduced the scrape_interval to 5. Enabling support for Prometheus. Prometheus and Grafana start up fine, however, when I go to the Targets page in Prometheus nothing is appearing. In the scrape_configs part we have defined our first exporter. sudo mkdir /etc/prometheus. I'm currently looking at WildFly JMX MBeans, particular for exposing their attributes as metrics via the Prometheus JMX Exporter. Once understood, we edited Prometheus default configMap configuration so we can scrape from our app. Your Prometheus server will need to discover all Kong nodes via a service discovery mechanism, and consume data from each node’s configured /metric endpoint. You can verify this by navigating to the targets page in the Prometheus UI. Prometheus is an "open-source service monitoring system and time series database", created by Sou. Go to the folder into which you extracted the core Prometheus server files, i. yaml, uncomment and change the value to “prometheus”. The key to understanding Prometheus is that it fundamentally relies on scraping, or pulling, metrics from defined endpoints. Prometheus runs as a Docker Container with a UI available on port 9090. Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. Install Prometheus on a host that has network connectivity to CEM. Although Monasca has a comprehensive set of metrics and alarm definitions, the complex installation process combined with a lack of documentation makes it a frustrating experience to get it up and running. Beside these examples a lot of other exporters are available, that can be integrated into the monitoring landscape. the number of requests it's received. Prometheus sends events to PagerDuty via a Prometheus Alertmanager configuration file. The nri-prometheus-latest. io/scheme`: If the metrics endpoint is secured then you will need # to set this to `https` & most likely set the `tls_config` of the scrape. Dynamic Admission Control. yml: the configuration file for Prometheus. Having Kubernetes up and running is great. Improve Prometheus Monitoring in Kubernetes with Better Self-Scrape Configs. An example metric could be the amount of. Let’s start creating a docker-compose. Per-pod Prometheus Annotations. io web-site for a wealth of reference documentation. It supports filesystems and Amazon S3 compatible cloud storage service (AWS Signature v2 and v4). scrape() function. yml with the contents shown below. io/path`: If the metrics path. In this post i will explain about the prometheus configuration for network devices. If the dashboard fails over, the front-end client might receive a HTTP redirect (303) response and will be redirected to an unresolvable host. # Example scrape config for pods # # The relabeling allows the actual pod scrape endpoint to be configured via the # following annotations: # # * `prometheus. How to scrape META tags from HTML source ? Follow the steps below to scrape data from META tags from the HTML source code of the web page. Cookbook to install and configure various Prometheus exporters on systems to be monitored by Prometheus. See this example Prometheus configuration file for a detailed example of configuring Prometheus for Kubernetes. I wanted to set up a prometheus machine for me to monitor random stuff, but I was always postpone that because I didn't want to use SSH port-forwarding, firewalls, create a VPC and/or setup an OpenVPN server or anything like that. The demo instances are not yet running but will run on port 8080, 8081, and 8082 later. Due to how it works, federation will pull in data some time after it was scraped and may also miss some data due to races. yml file is a basic Prometheus configuration file. API server, node) # and services to allow each to use different authentication configs. Collector: A part of an exporter that represents a set of metrics. you just need to get Prometheus to scrape the port 8081. Prometheus can be configured to scrape multiple exporters of different types. Parameter Description; access_token. $ ~/prometheus $ cat prometheus. Most of them are collecting custom metrics from the Istio control plane components. global: scrape_interval: 15s evaluation_interval: 15s The second half defines the servers and ports that Prometheus should scrape data from. This example config allows you to scrape the Prometheus endpoint using either HTTP or HTTPS (TLS). prometheus / config / testdata / conf. yml as its main configuration file. re: prometheus metrics those are also protected by username/password AFAICS, meaning to scrape them we'll need to put credentials in prometheus config and sent those along in the http request?. scrape_configs: # The job name is added as a label `job=` to any timeseries scraped from this config. They must subclass Spider and define the initial requests to make, optionally how to follow links in the pages, and how to parse the downloaded page content to extract data. I've elected to collect data every minute, there are examples where people are collecting every 5 seconds, pick what makes sense to you. io/scrape to true. memory-chunks configuration directive, while Prometheus recommends that you have at least three times more RAM available than needed by the memory chunks alone. Prometheus supports both Prometheus's plain text and protobuf formats. Configure your prometheus. Would you like to know how to get Prometheus running on Kubernetes?For the most part, it's pretty easy. Installation of prometheus¶ Install prometheus using oc new-app prom/prometheus. Prometheus 监控分为两种:. emulationstation. Quick start. For example, configuration file basic_config. During configuration, click any portion of the web page, preferably the main title or the space above it. This article is intended to provide a quick guide to monitoring the StorageOS metrics endpoint and can be used with our example Grafana dashboard. Prometheus is watching over k8s API so when it detects this kind of changes it will create a new set of configuration for this new service (pod). :8080 means the Prometheus server will listen to port 8080. Configure the session-server-hostname. Building a Node. # A scrape configuration containing exactly one endpoint to scrape:# Here it's Prometheus itself. You can use the example file to configure, for example, how endpoints are scraped and metrics are filtered. # * `prometheus. " Every EmulationStation configuration file goes in a. The default is every 1 minute. By default, Prometetheus export only itself metrics and need aditioanl module for accept more information. You can also access Kong Vitals metrics in Prometheus and display on Grafana or setup alerting rules. scrape_config 块:这里定义了 Prometheus 要抓取的目标,我们可以看到默认已经配置了一个名称为 prometheus 的 job,这是因为 Prometheus 在启动的时候也会通过 HTTP 接口暴露自身的指标数据,这就相当于 Prometheus 自己监控自己,虽然这在真正使用 Prometheus 时没啥用处. Go to the folder into which you extracted the core Prometheus server files, i. Enabling support for Prometheus. from https://prometheus. RetroArch and libretro provide a way to take an existing emulator and load that emulator as a library or "core". Once this is deployed, we can easily get graphs like this one:. Prometheus promotes a Pull based approach rather than Push, therefore App Metrics does not include a reporter to push metrics, but rather supports formatting metric data in Prometheus formats using the App. Tor Bug Tracker & Wiki Wed, 22 Jan 2020 07:20:55 -0800. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true. An example prometheus. Monitoring Remote Sites with Traefik and Prometheus Published on July 03, 2019. for example global scrape. For example, an API server job with four replicated instances:.