Prometheus | Open source software for autonomous drones | Robotics library

 by   amov-lab C++ Version: v1.0 License: Apache-2.0

kandi X-RAY | Prometheus Summary

kandi X-RAY | Prometheus Summary

Prometheus is a C++ library typically used in Automation, Robotics applications. Prometheus has no bugs, it has a Permissive License and it has medium support. However Prometheus has 1 vulnerabilities. You can download it from GitHub.

Open source software for autonomous drones.
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              Prometheus has a medium active ecosystem.
              It has 1874 star(s) with 356 fork(s). There are 37 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              Prometheus has no issues reported. On average issues are closed in 15 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of Prometheus is v1.0

            kandi-Quality Quality

              Prometheus has no bugs reported.

            kandi-Security Security

              Prometheus has 1 vulnerability issues reported (0 critical, 0 high, 1 medium, 0 low).

            kandi-License License

              Prometheus is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              Prometheus releases are available to install and integrate.

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            Prometheus Key Features

            No Key Features are available at this moment for Prometheus.

            Prometheus Examples and Code Snippets

            No Code Snippets are available at this moment for Prometheus.

            Community Discussions

            QUESTION

            How does Prometheus labeling syntax works?
            Asked 2021-Jun-15 at 17:00

            I'm new to Prometheus and I have a very basic question.

            What is the syntax to add a label to my Metrics? I tried the following:

            ...

            ANSWER

            Answered 2021-Jun-15 at 16:18

            Your question lacks helpful detail to aid answering.

            I assume you're using the Java SDK.

            Here's the link to the documentation:

            https://github.com/prometheus/client_java#labels

            It appears you should use:

            Source https://stackoverflow.com/questions/67982931

            QUESTION

            Is there a possibility to add custom spring boot metrics tags at runtime?
            Asked 2021-Jun-14 at 19:52

            I'm using Spring Boot with micrometer-registry-prometheus, trying to store custom tags from http headers, security context, etc.

            So I found MeterFilter iterface and tried to use it to store the data I need.

            But MeterFilter method works after request is completed, so at that point I don't have any information about request.

            Seems like the case is pretty common, is there any possibility to achieve it?

            ...

            ANSWER

            Answered 2021-Jun-14 at 19:52

            If you're using Spring MVC you can define a bean that implements WebMvcTagsProvider to take complete control over the tags that are added to metrics for request-response exchanges. Alternatively, you can define a bean that implements WebMvcTagsContributor to add to the default tags. Similarly, if you're using Spring WebFlux you can define beans that implements WebFluxTagsProvider and WebFluxTagsContributor to take complete control over the tags and contribute additional tags respectively.

            Source https://stackoverflow.com/questions/67973069

            QUESTION

            Monitor containerized Spark v2.1 application with Prometheus
            Asked 2021-Jun-13 at 06:29

            I wrote a Spark application which I compile with maven and use spark-submit to run it. I wanted to monitor my application and collect metrics. Therefore, I used a Prometheus container, but I'm struggling with exposing a simple metric to it. I tried to follow the answer here. But I didn't understand what should I do with the spark.yml file.

            • I have a Prometheus client that counts some stuff.
            • I uncomment *.sink.jmx.class=org.apache.spark.metrics.sink.JmxSink in spark/conf/metrics.properties
            • I added JMX Prometheus Javaagent to my pom.xml

            This is my prometheus.yml:

            ...

            ANSWER

            Answered 2021-Jun-10 at 14:09

            I think the answer depends upon what you want to monitor in Spark 2.1.

            1. If it is JVM metrics - I don't think you can do that. For the simple reason that you donot know where the JVMs will be created in the Spark cluster. If we knew that it would be impossible to launch multiple JVMs in the same node because each JMX agent would need a port to be assigned dynamically and Prometheus server needs an exact scraping url which would be impossible.

            2. If the requirement is to measure business specific metrics using push gateway then yes you can do that because Prometheus server would be scraping a specific scraping url.

            Maybe you need to look at a more recent version of Spark3.0 which supports Prometheus. Please follow this link - https://spark.apache.org/docs/latest/monitoring.html

            Source https://stackoverflow.com/questions/67883888

            QUESTION

            How to run multiple python scripts to prometheus
            Asked 2021-Jun-11 at 18:38

            I have been working on prometheus and Python where I want to be able to have multiple scripts that writes to Promethethus.

            Currently I have done 2 scripts: sydsvenskan.py

            ...

            ANSWER

            Answered 2021-Jun-11 at 18:38

            You need to combine the start_http_server function with your monitor_feed functions.

            You can either combine everything under a single HTTP server.

            Or, as I think you want, you'll need to run 2 HTTP servers, one with each monitor_feed:

            Source https://stackoverflow.com/questions/67934536

            QUESTION

            Prometheus pod crashlooping on error "opening storage failed"
            Asked 2021-Jun-11 at 13:04

            I restarted the Prometheus pod and now the Prometheus pod is crashlooping. Found this error in the logs:

            ...

            ANSWER

            Answered 2021-Jun-10 at 09:40

            So you have already found correct github related issues and asked there also.

            And seems currently the only way to fix the problem is to delete 01F6J0P4KBBWVJD2M8B1PE7C5E folder that contains empty meta.json either nothing (link)

            Source https://stackoverflow.com/questions/67901891

            QUESTION

            Permission denied (publickey) when cloning Repo from Gitlab.com on my Rasperry Pi
            Asked 2021-Jun-09 at 05:07

            I'm trying to clone a repo from Gitlab.com via ssh. But I get this error all the time:

            ...

            ANSWER

            Answered 2021-Jun-09 at 05:07

            It depends on what you used for the $keyFile in your script.

            A default name should be part of the /home/pi/.ssh/id_xxx names considered during an SSH session.
            But a non-default name would need to be specified in an ~/.ssh/config: double-check if you have one.

            Also, in your script, to be sure, don't use ~/.ssh, but /home/$USER/.ssh consistently, to avoid any mistake when the shell substitutes ~.

            Source https://stackoverflow.com/questions/67894709

            QUESTION

            Prometheus scrape from Windows - invalid metric name/"INVALID" is not a valid start token
            Asked 2021-Jun-09 at 01:09

            I've installed prometheus on my linux node. I have a go application on a Windows server that exports metrics from the app. The metric path for the Windows node is at /app/metrics. Note, the output of the metrics is in json format.

            Here is my prometheus.yml:

            ...

            ANSWER

            Answered 2021-Jun-09 at 01:09

            The app's metrics aren't in Prometheus' YAML-based Exposition format.

            Your best bet is to determine whether the app can be configured to export Prometheus metrics (too).

            If not, you're going to need either a proxy that sits between your Prometheus server and the app that, when scraped by Prometheus, calls the app's metrics' endpoint and transforms the results into Exposition format.

            To my knowledge, there isn't a general-purpose transforming exporter that you can use. But this would be useful. You'd configure it with your endpoints and a transform function and it would do the work for you.

            Or, you will need to write your own exporter for the app. But, if the current metric list is sufficient for your needs, that may be too much effort.

            Source https://stackoverflow.com/questions/67892204

            QUESTION

            What configuration to use to prevent anyone from accessing the Prometheus web interface
            Asked 2021-Jun-07 at 23:57

            I'm experimenting with Prometheus to monitor and visualize the performance of several Java services. Works great and with Grafana the visual overview is very impressive.

            But I don't seem to find how you can configure Prometheus itself to prevent its web interface to be publicly available. Grafana does this out of the box...

            If I want to run everything on a cloud server, it would be great if I could check the /graph and /targets URL for instance, to check if everything is working OK before creating dashboards in Grafana.

            Anyone who can point me to the right documentation? I went through this page, but didn't find exactly what I was looking for: https://prometheus.io/docs/prometheus/latest/configuration/configuration/

            For info, this is my docker compose:

            ...

            ANSWER

            Answered 2021-Jun-07 at 23:57

            Prometheus doesn't implement it's own authentication|authorization.

            Your best approach is to secure access to all host(s) running all software and, in this case, to the hosts running these Docker containers and all targets that you scrape etc.

            All cloud providers provide ways by which you may limit access to the resources you create with their platforms. You'll want to become familiar with your preferred platforms' mechanisms and you should establish confidence, in part, by proving to yourself that you're able to restrict access to your services when you deploy then to these platforms.

            Perhaps start with a simple test web site, secure it, then test that it is secure. Once you're confident in doing this, deploy your Prometheus services.

            See this document on Prometheus security

            Source https://stackoverflow.com/questions/67874666

            QUESTION

            Prometheus unit test failing when adding "for" to alert
            Asked 2021-Jun-05 at 08:34

            With the following prometheus config:

            ...

            ANSWER

            Answered 2021-Jun-05 at 08:34

            A non-zero for requires that the alert fires for at least two evaluation_intervals to make sure that it covers the requisite amount of time.

            Here this is combining with that your time series are sparse, as they only have a data point once an hour so staleness is kicking in. This is unrealistic test data, an interval of 1m would be better.

            In combination example the alert won't fire at 63h, but it should fire at 63h1m through 63h5m with a 1m for. A for longer than 5m can never fire given this test data.

            Source https://stackoverflow.com/questions/67835221

            QUESTION

            Sending metrics from ActiveMQ Artemis to Prometheus
            Asked 2021-Jun-05 at 06:30

            I have a question on which I am stuck and I am not quite sure how to resolve it.

            In my work project I have an ActiveMQ queue and I want to send some metrics to Prometheus which will help me to create some alerts in Grafana. I know that for ActiveMQ Artemis I can use this plugin, but I don't understand 100% how to configure it.

            My application is deployed on a Kubernetes cluster and the ActiveMQ broker is there too. So I have created ActiveMQPrometheusMetricsPlugin class which implements org.apache.activemq.artemis.core.server.metrics.ActiveMQMetricsPlugin. Now is where I get confused right now I should deploy my application and the metrics would be gather by Prometheus? I should do more configuration?

            We usually do not build the application on local env. We are using a pipeline which is building and deploying the app to various envs (dev, test, prod). I should do the configuration similar with the GitHub plugin project, deploy it, and after that find those jars on Kubernetes and move them to the correct location? Also dev-ops said to me that we are using a default conf. I don't know if we have a broker.xml file.

            ...

            ANSWER

            Answered 2021-Jun-03 at 16:09

            There are a couple of important points to understand before getting started:

            • When using the Artemis Prometheus Metrics Plugin neither the broker nor the applications "send" metrics to Prometheus. Prometheus itself must retrieve or "scrape" metrics from the broker. This is why the plugin comes with a servlet. The servlet exposes an HTTP endpoint that Prometheus can use to scrape metrics.
            • The Artemis Prometheus Metrics Plugin is part of the broker infrastructure. It is not to be deployed as part of an application. The plugin's jar and war files are deployed on the broker and configured in broker.xml and bootstrap.xml respectively.

            The Artemis Prometheus Metrics Plugin provides integration with Prometheus using two modules:

            • artemis-prometheus-metrics-plugin: This provides the actual implementation of org.apache.activemq.artemis.core.server.metrics.ActiveMQMetricsPlugin and packages it with the Micrometer and Prometheus dependencies in an "uber" jar.

            • artemis-prometheus-metrics-plugin-servlet: This provides a war file containing a simple servlet which can be deployed to the broker's embedded web server which then Prometheus can use to scrape metrics.

            Once you clone the Artemis Prometheus Metrics Plugin repository simply run mvn install to build these two modules. The output will be in their respective target directories.

            After building the modules follow these steps to deploy and configure the Artemis Prometheus Metrics Plugin. If you have some kind of dev-ops group which manages and configures your broker then they would follow these steps.

            1. Copy artemis-prometheus-metrics-plugin/target/artemis-prometheus-metrics-plugin-.jar to /lib.

            2. Add this to your /etc/broker.xml:

            Source https://stackoverflow.com/questions/67806739

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            You can download it from GitHub.

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