running icinga in docker

context: ./core Which means that you cant use the solution with the variable and need to be a bit more drastic. image: NAMEOFTHECOMPANY/icinga2-core I have an issue: I have Icinga that runs on 4 Docker containers (icinga-web-pnp, icinga2-snmptrap, icinga2-core, mariadb) and my modules are: company 0.0.0 Persistence of configuration is done by using volumes, but I agree its not idea and can lead to headaches. If something goes sideways you’re completely blind when monitoring isn’t available. In this tutorial, we tried Firefox in our CentOS 7 Docker Image with Firefox installed. Thing is, containers are rather short lived. While it might work, we strongly suggest you shouldn’t do it for several reasons: thanks for your offer, I will take a look at your Gitlab projects. Pulled the image named jordan/icinga2:latest, did the necessary mounts and env. image: NAMEOFTHECOMPANY/icinga2-snmptrap The try running docker exec -it icinga-web-pnp bash (or similar) and go to /usr/share/icingaweb2 and follow the steps to complete the installation. Oh, and if you find one, tell me about it. Download the director tar file in icinga-web-pnp-container/webroot_icingaweb2 Demonstration¶. Note how the container ID changes as you transition from the container running Docker, to the innermost container! links: EDIT: This is also compatible with the Icinga Director daemon - just pop it into the supervisor config as per normal. With containers it’s very hard to tell if your setup is following best practices or even supported setup schemes. Trying to run the official Docker container on my Synology DS916. - ./${FIRSTNAME}-container/contrib-plugins:/usr/lib/contrib-plugins GitLab.com, As always, I would keep it as simple as possible. If you find a good advantage that is worth another layer (in this case the container), then do it, otherwise don’t do it. Synthetic website monitoring with Selenium and Docker. Can we see the docker compose file? Bodo Schulz / ansible-icingaweb2 Docker: Secure, but comfortable images. you can now find my roles in the ansible-galaxy: Powered by Discourse, best viewed with JavaScript enabled, Evaluate Prometheus integration (enablement for container & Kubernetes monitoring), Web server (Apache, Nginx) with Icinga Web 2. If you e.g. volumes: Once you feel confident enough, and you e.g. Specifically, when running multiple instances of Docker side by side, it is possible to “seed” them with a shared set of images. This repository ships a Dockerfile for demonstrating and/or developing this module (but not for using it in production).. How? Based upon this, other orchestrators for container clusters have been developed, Docker Swarm and the most popular, Kubernetes. Last time with Icinga is a while ago, so I need a few hints about what changed and what I need to run Icinga2 with IcingaWeb2 and a reporting module. Coming to your initial question - if you plan to use a Docker container just for learning how Icinga works, don’t do that. Here is a Dockerfile I have written which we are using in production - happy to hear if anyone has any suggestions as I am relatively new to Docker - it runs nginx, php and supervisor acts as a process manager. # object for icinga2satellite. To monitor the micro-services from outside, you'll need an instance of icinga running … When a Docker container is running on a host, there are some ethernet devices being created. For the database container, one can re-use existing mysql:5.7 or mariadb containers for example. Read more Subgroups and projects Shared projects Archived projects Last created Sort by Name Name, descending Last created Oldest created Last updated Oldest updated Most stars A group is a collection of several projects. Guessing you have to to add a -e ICINGA2_FEATURE_DIRECTOR=1 in your container command or start script. With the rush to containerize all and sundry I have noticed a docker image is available from https://hub.docker.com/r/jordan/icinga2/. doc 2.6.2 Published on 2020-02-27 and maintained on Github. I have approximately 2500 hosts, all of which Nagios was more than capable of handling. I could create it manually - once Icinga Server was already up and running, but I decided to be little more challenging: What if automate this process using… AWS tech Just another AWS tech weblog. domainname: ${DOMAINNAME} See my comment at the top of this thread. Icinga is an open-source computer system and network monitoring application. Nowadays, they help me everyday e.g. The following sql will create it … build: You can disable the automatic kickstart when the container starts by setting the DIRECTOR_KICKSTART variable to false. - ./${FIRSTNAME}-container/etc/icingaweb2:/etc/icingaweb2 19 Jan 2016 in Planet Debian Monitoring Icinga OpenSource Docker Icinga2 ~ read. 3. No other things? Good morning. This generally works fine when you’re doing innocuous things like checking free disk space or if a certain process is running. I’m running icinga in Docker using jordan/icinga due to the sheer lunacy that is attempting to set up the official containers. Actions. - ./${FIRSTNAME}-container/spool/icinga2:/var/spool/icinga2 - ./${FIRSTNAME}-container/lib/icinga2:/var/lib/icinga2 nagvis 1.1.1 Closed, Resolved Public. What advantages does it bring for Icinga? GitLab.com object Zone "icinga2satellite" {. I arrived at a new employer where the icinga2 and icingaweb have been deployed within a container. Example for Docker on OSX (change the IP address to your localhost): Assemble your containers and supporting infrastructure into a complete application. env_file: ./secrets.env Docker Monitoring with Icinga2 (through Icinga2 API) Description. links: Platform for querying, visualizing, and alerting on metrics and logs wherever they live. 2. A better approach might be to run Rsyslog from your container to forward any logs directly to an endpoint. Also admins of K8s environments being more permissive by default may decide not to allow running as the superuser. - 5665:5665 LAMP is named after the original stack components which are Linux, Apache, MySQL and PHP.. We are already learned how to install LAMP stack on Ubuntu Server 18.04 LTS.But this is now the era of DevOps and it is necessary to explore the creation of a LAMP Stack on the Docker platform. With leveraging this into a distributed monitoring cluster, a Docker container for the Icinga 2 agent makes sense as a sidecar e.g. After long time … Scalable monitoring system for timeseries data. There is a variable called ICINGA2_FEATURE_DIRECTOR, if it’s set to zero it disables the module completely. Giulia_Baldusso (Giulia Baldusso) October 29, 2019, 12:01pm #12. I’m wondering why you don’t run a single web container including all the modules. Please check this link To get more information about this lib please check Or a deployment via the Icinga Director from the web container to the core container (REST API), Enabling specific features, e.g. already have a Kubernetes cluster running, you can try the mentioned things above, starting simple with docker-compose for instance. The Icinga Director Icinga Web 2 module is installed and enabled by default. Any checks fired from the main Icinga 2 master instance run towards the agent, which then queries local and remote endpoints. domainname: ${DOMAINNAME} So it might well be that an Icinga partner might refuse to offer support for a containerized environment if you ever need professional support. ports: Prometheus scraping application metric endpoints, and collecting data points over time with later generating alerts and reporting. I think if you like pain, go and use docker for icinga2 in production. Of course, follow the documentation like in a normal installation but execute it inside the container. From mount: - ./${FIRSTNAME}-container/log/apache2:/var/log/apache2 If you’re planning to not only monitor typical services (ping, databases, snmp, etc.) Still, the IT world is moving fast, and being able to monitor containers becomes more important than ever. - core Latest version is v1.0.1 released on 2020-02-27. Docker_check.py is a nagios compatible plugin to check docker containers stats.. ports: In order to make this happen with Icinga, there are some architectural changes required which may or may not happen in the future. So: What containers do I need to run the environment? Great success (that last one took some time to figure out) Next problem: don't have any graphs over 6 hours, in icingaweb. Docker Build Images Group ID: 75 Tools and Docker container for the Icinga Build system. Grafana Loki. Got it working through Docker. It is built with a regular Dockerfile. I can see the benefits for learning and running up quickly a docker container but would you use it in production environments? - sql Kubernetes nodes in containers. A project by opsdis in category Plugins. How is the monitored object configuration being deployed? I know of customers who have a fully virtualized infrastructure but their Icinga Servers are hardware boxes which have their own UPS and SMS gateways attached locally. Powered by Discourse, best viewed with JavaScript enabled, Add Icinga Director module using Icinga in Docker containers, ./${FIRSTNAME}-container/webroot_icingaweb2:/usr/share/icingaweb2. pnp 1.1.0. Provided those, together with keys to the appropriate directories. In case the installation takes quite long and you do not need any docum… context: ./web-pnp Maintaining and upgrading this installation will not be an easy task. in a container cluster such as Kubernetes. Highly scalable, multi-tenant, durable, and fast Prometheus implementation. At first, you need to have a running Docker on your system. - ./${FIRSTNAME}-container/webroot_icingaweb2:/usr/share/icingaweb2 when I need to test a package on a specific platform (macOS here), or create a local distributed setup with testing specific applications working together. - core hostname: ${FIRSTNAME}-core The dockerhub-repository is located at https://hub.docker.com/r/jordan/icinga2/. - ./${FIRSTNAME}-container/perfdata:/var/lib/pnp4nagios/perfdata RedHat/CentOS 7 (requires EPEL repository): Note: The development tools and header files are required for building the eventmachinegem. Thank you all for the useful answers, appreciated. I suppose that if you managed to access all docker containers informations from your collectd docker instance, you can also do the same with an icinga2 satellite, so i tend to say yes to that first question. However, when you are running icinga in a docker container, there is most probably no active ssh agent running. volumes: - ./${FIRSTNAME}-container/lib/php5/sessions:/var/lib/php5/sessions How is the container icinga-core started? Create Subtask; Edit Parent Tasks; Edit Subtasks; Merge Duplicates In; Close As Duplicate ; Edit Related Objects... Edit Commits; Edit Mocks; Edit Revisions; Subscribe. Icinga disk space alert when a Docker container is running on an host. I am now building a new icinga stack that is not going to be containerised, a fully automated build using Ansible to provision. So from our standpoint containerising icinga was, and is an un-neccessary pain. Test, share, and deploy your complete containerized application. It requires you to have at least Docker v1.6.0+ installed, then fire away and bind port 80 to your host’s port 3080: $ sudo docker run -ti -p 3080:80 icinga/icinga2 Navigate to http://localhost:3080/icingaweb2/ and login using icingaadmin/icinga as credentials. Nov 4, 2020 By Alexander Klimov In Icinga. At the moment these work so far that I use them in a customer project. Happens whenever running a container. image: NAMEOFTHECOMPANY/icinga2-web-pnp docker run -d -ti --name icinga2-api -p 4080:80 -p 4665:5665 icinga/icinga2 After the container is up and running, connect via HTTP to the exposed port using the credentials root:icinga . links: image: mariadb By default, icinga tries to perfom a ssh service check on all hosts running linux. - core, This is the file…I don’t know where it comes from, That is a heavily customized version of the original compose file. Even for test i would not recommend it. Running Docker on OSX can be made possible using different methods: Docker Toolbox, more specifically Docker Machine Docker for Mac/Windows (recently announced, private beta) Docker containers require kernel features which are only available in modern Linux kernels. root@icinga-gitlab:~# docker-machine ls NAME ACTIVE DRIVER STATE URL SWARM DOCKER ERRORS runner-privileged-icinga-1571900582-bed0b282 - openstack Running tcp://10.10.27.10:2376 v19.03.4 runner-privileged-icinga-1571903235-379e0601 - openstack Running tcp://10.10.27.11:2376 v19.03.4 runner-non-privileged-icinga-1571904408-5bb761b5 - openstack Running tcp://10.10.27.20:2376 … env_file: ./secrets.env - ./${FIRSTNAME}-container/mibs:/mibs endpoints = [ "icinga2satellite" ] parent = "icinga2masterserver". } - ./${FIRSTNAME}-container/cache/icinga2:/var/cache/icinga2 Create and test individual containers for each component of your application by first creating Docker images. context: ./snmptrap On first attempts it had errors on initial setup, not being able to create CA cert, so I created one manually, and also signed the icinga2 cert with. In order to prevent icinga always showing an error, insert. For the satellite running Docker, you only need a very minor addition to the host config. By default, icinga tries to perfom a ssh service check on all hosts running linux. Mainly because of the “problem” that a host/service config object does not necessarily apply to a container being monitoring, or a group of containers. If you are interested, want to join in or maybe shake your head: The try running docker exec -it icinga-web-pnp bash (or similar) and go to /usr/share/icingaweb2 and follow the steps to complete the installation. In case you ever wanted to look at Icinga2 , even into distributed features, without messing with installing whole server setups, this might interesting for you. Icinga follows the host/service object approach. Running GUI Apps in a Docker Container is really an awesome experience which will never harm/use your host Filesystem. ignore where (host.address == "127.0.0.1") || … - ./${FIRSTNAME}-container/run/icinga2:/var/run/icinga2 So you need to enable the Director variable. - ./${FIRSTNAME}-container/lib/mysql:/var/lib/mysql This is where metrics and events from an observability stack come to mind, e.g. services: Is there a separated container for every task? It is fully dependent on your Docker Container. If you’re planning to not only monitor typical services (ping, … My personal website dnsmichi.at runs in Docker as well, with Ghost and MySQL containers - https://dnsmichi.at/new-blog/. volumes_from: hostname: ${FIRSTNAME}-web-pnp - ./${FIRSTNAME}-container/log/icinga2:/var/log/icinga2 This build is automated by push for the git-repo. In order to run Docker on OSX for example, one needs a virtual machine with a smallish Linux running […] Just crawl it via: Checking a Docker container is a little bit harder, because the command: docker inspect. The most simplest approach is to use docker-compose and its yaml configuration file. Any checks fired from the main Icinga 2 master instance run towards the agent, which then queries local and remote endpoints. It requires you to have at least Docker v1.6.0+ installed, then fire away and bind port 80 to your host’s port 3080: $ sudo docker run -ti -p 3080:80 icinga/icinga2 Navigate to http://localhost:3080/icingaweb2/ and login using icingaadmin/icinga as credentials. I need to add the Director module to my Icinga but I don’t have any idea about how to do that because there is Docker that complicate the situation in my point of view. Almost nothing! Opinions differ here, so the container build process is basically up to everyone out there. The check comes from the Puppet class base::monitoring::host.It defines a check_disk which process most mounted file systems. At this point, it makes sense to look into a container orchestrator which ensures that the container platform is running, the network links between containers are there, and so on. To customize the kickstart settings, modify the /etc/icingaweb2/modules/director/kickstart.ini . Thing is, containers are rather short lived. One has to enable that explicitly. If you organize your projects under a group, it works like a folder. web-pnp: Installation & Usage: The current version don't need any arguments to be used all you need to do is: Install the Python3 library for the Docker Engine API: pip3 install docker. PS: 5 years ago, I wasn’t convinced by the maturity of containers. Hi there! icingaweb, no graphs. volumes: It was originally created as a fork of the Nagios system monitoring application in 2009. In general, the development workflow looks like this: 1. (Hope I got the container names right) Cheers, George. Static configuration files need a mapped shared directory root to the outside host. Grafana. can only be run as root, whereas the NRPE service on the remote host runs as a non-privileged user (usually called nagios). While developing Docker images for Icinga 2, Icinga Web 2 and Icinga DB we stumbled over OpenShift which doesn’t allow images to run as root by default. map 1.1.0 - sql I have received one task recently … consider your development workflows with CI/CD pipelines, they’ll also need monitoring and reporting. We expose a few directories as volumes in our docker-compose.yml to ensure settings are persistent. GitLab version: “2” Nginx, PHP and Icinga Web inside. Also I am currently creating ansible roles for icinga2 and icingaweb2. the Director installation should be persistent. Docker_check.py is a nagios compatible plugin to check docker containers stats.. Monitoring the development and build pipelines for lastly deploying to production is a key element with a shifted mindset. This docker container read the docker.sock and can check the state of a container and also state of a process (define in labels var). - ./${FIRSTNAME}-container/webroot_nagvis:/usr/local/nagvis - ./${FIRSTNAME}-container/etc/pnp4nagios:/etc/pnp4nagios I looked at the docker-compose.yaml and there is no mention to ICINGA2_FEATURE_DIRECTOR. Graphite. - core Now that you’ve set up your development environment, thanks to Docker Desktop,you can begin to develop containerized applications. - 80:80 However, using the Docker “logs” command is a little primitive, as every time you run docker logs container_id you get all the logs of that process from the beginning. build: Story Monitoring should be the most stable service within your infrastructure. There seems to be an issue when setting an Icinga2 Master server and try to monitor an Icinga2 Satellite client that runs Docker, namely that if you try to monitor the disks using the (default) Nagios Monitoring Plugin "check_disk" it will crash immediately with: I only have to download the tar file? There can be so many things be changed that it’s near to impossible to offer support for such a setup. Cortex . monitoring 2.6.2 Since my customer project is slowly being completed, I am currently concentrating on the implementation of a multi-master environment. In cloud native environments, these relations do not necessarily exist. Good luck! Apologies for taking a while to reply, I was asked to pick up another project, that’s now completed and I am now back with Icinga2. ( Hope I got the container names right ) Cheers, Enables Prometheus-as-a-Service for large organizations running at scale. sharing the workload of web applications, or database backends. If you are not already storing icinga data in a database then set one up and run the following to enable it: icinga2 feature enable ido-mysql You will also need a table in your database that maps Icinga status values to status names (0 - OK, 1 - WARNING, 2 - CRITICAL, 3 - UNKNOWN). Please check out what members of the community shared on hub.docker.com. In order to prevent icinga always showing an error, insert hostname: ${FIRSTNAME}-sql This repository is no longer maintained! - ./${FIRSTNAME}-container/etc/ssmtp:/etc/ssmtp env_file: ./secrets.env This repository contains the source for the icinga2 dockerimage. Better install Icinga from the package repository into your own VM or server, and learn about the basics, then monitor your first service and later setup distributed monitoring with agents and satellites. build: ports: - 162:162/udp However, when you are running icinga in a docker container, there is most probably no active ssh agent running. - sql sql: Menu. - sql I looked at the documentation…where I have to add the requested modules for go trough the steps for add Director module? All of them help solve the purpose of running isolated small environments for applications, enable high availability and allow scaling in large environments, e.g. I am guessing it is not the one from Github. Got it working with: character set latin1 in icinga webinterface -> configuration->application->resources->icinga_ido->characterset. Debian/Ubuntu: Proceed with the bundlergem installation for all systems (CentOS, Debian, etc.). snmptrap: cube 1.0.1 settings. The Icinga check for "configured eth" ends up in a warning: I have to add them to some container? Let’s see what is in that Dockerfile. Bodo Schulz / ansible-icinga2 With leveraging this into a distributed monitoring cluster, a Docker container for the Icinga 2 agent makes sense as a sidecar e.g. Installation & Usage: The current version don't need any arguments to be used all you need to do is: Install the Python3 library for the Docker Engine API: pip3 install docker. If you have any questions, wishes or suggestions … always bring it to me! For more information, have a look into my previous post! I am trying to make Icinga2 work on my Synology (x64 cpu) docker. hostname: ${FIRSTNAME}-snmptrap my recommendation: no monitoring stuffed into a container! After roughly 8 hours, Icinga will consume all available memory and swap on my 16 GB system until it crashes completely. For Icinga as a master instance, there are certain things to keep in mind: The web container is relatively straight forward, with e.g. one main benefit of running applications in containers and layered images is that your base system doesn’t actually install the application, its dependencies, etc. Mostly common is to use reliable and reproducible test environments, put into containers and container clusters (example: GitLab CI). File: /etc/icinga2/zones.d/icinga2masterserver/icinga2satellite.conf. Docker Build Images; docs; Details; D. docs Project ID: 230 Star 0 5 Commits; 1 Branch; 0 Tags; 215 KB Files; 266 KB Storage; Documentation for Docker builds. - ./${FIRSTNAME}-container/etc/icinga2:/etc/icinga2 In this stage of the tutorial, let’s focus on step 1 of this … Please check this link To get more information about this lib please check. In case you ever wanted to look at Icinga2, even into distributed features, without messing with installing whole server setups, this might interesting for you. This saves both a lot of disk space and a lot of time, and I think this makes a huge difference when running e.g. volumes_from: We can use many more GUI Apps with this technology. volumes: i have been going through the whole topic for a long time and have been dealing with restarting and persistence of configurations. One thing is to also not re-invent the wheel over and over again, but to integrate existing solutions. You need to open a shell session inside the container and install it there manually. LAMP stack is a group of open source software components that are used to deploy PHP based applications. in a container cluster such as Kubernetes. but also containers, Kubernetes clusters, this can become relatively tricky. If you are the new responsible for it, start thinking how to migrate away from it and the forum can provide some tips and help. GitLab docker_check.py. Icinga2 is a tool for monitoring the status and availability of various services running on remote hosts. It is like pain Under /etc/icingaweb2/modules I have only “monitoring” and “translation”. volumes_from: One will be able to seek an integration with the “classic” way of monitoring objects with Icinga, but that’s not an easy task on its own. Can you share the Dockerfiles? About; Puppet; Ansible; Search for: PUPPET, DOCKER, ICINGA AND AWS AUTOMATION – DEPLOYING INSTANCES, CONTAINERS AND MONITORING. What’s special in my dind image? Initiating Docker images (Hope I got the container names right), I only have to download the tar file? domainname: ${DOMAINNAME} env_file: ./secrets.env Since there is a special volume for modules. It will be much easier to manage. I ask because on the documentation seems like I need other modules…. Build: The try running docker exec -it icinga-web-pnp bash (or similar) and go to /usr/share/icingaweb2 and follow the steps to complete the installation. One thing to keep in mind here - each application should be running in its own container, for Icinga this would be: Additional containers would add InfluxDB, Graphite, Elasticsearch, etc. - ./${FIRSTNAME}-container/certs:/etc/apache2/ssl:ro InfluxDB/Graphite writers via environment variable on-demand. core: domainname: ${DOMAINNAME} Support for a containerized environment if you organize your projects under a group, it works like folder! Docker inspect opinions differ here, so the container running Docker exec -it icinga-web-pnp bash ( or )... The tar file got the container ID changes as you transition from the names., etc. ) generating alerts and reporting the variable and need to open a shell session the... Fully automated build using Ansible to provision > application- > resources- > icinga_ido- > characterset Apps. Pipelines for lastly DEPLOYING to production is a nagios compatible plugin to check Docker stats... Environments, put into containers and container clusters ( example: GitLab CI.... If you find one, tell me about it one task recently … when a Docker container, can!, you can try the mentioned things above, starting simple with docker-compose for instance nagios. Check Docker containers stats a look into my previous post Docker inspect Prometheus-as-a-Service for large organizations running at.. Clusters running icinga in docker this can become relatively tricky developing this module ( but not for using it in.! Then queries local and remote endpoints have approximately 2500 hosts, all of which nagios was more than of... Web applications, or database backends environment, thanks to Docker Desktop, you can begin develop! Container ID changes as you transition from the main Icinga 2 master run... Ll also need monitoring and reporting 7 Docker image is available from:! My Synology DS916 not be an easy task information about this lib please check to develop containerized.... Relations do not need any docum… Icinga is an un-neccessary pain our docker-compose.yml to settings... I am trying to make this happen with Icinga, there are some devices. Mention to ICINGA2_FEATURE_DIRECTOR Docker as well, with Ghost and MySQL containers - https: //dnsmichi.at/new-blog/ containerized.! Daemon - just pop it into the supervisor config as per normal error, insert, Debian running icinga in docker.! Highly scalable, multi-tenant, durable, and if you like pain, and. Add the requested modules for go trough the steps to complete the installation a monitoring. Can lead to headaches remote hosts environment, thanks to Docker Desktop, can... Containers do I need to be containerised, a fully automated build using Ansible to provision was than! Tools and Docker to provision ) || … Enables Prometheus-as-a-Service for large organizations running at scale like:! Gitlab CI ) you cant use the solution with the bundlergem installation all! To containerize all and sundry I have approximately 2500 hosts, all which. I have approximately 2500 hosts, all of which nagios was more than capable of handling practices or supported. Everyone out there to containerize all and sundry I have to to add the requested modules for go trough steps... Use docker-compose and its yaml configuration file and its yaml configuration file multi-master environment that is not going to containerised! It works like a folder perfom a ssh service check on all hosts running linux can lead headaches!

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