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As far as I know, psutil can only be used for gathering information about local processes, and is not suitable for retrieving information about processes running on other hosts. If you want to check whether or not a process is running on another host, there are many ways to approach this problem, and the solution depends on how deep you want to go (or need to go), and what your local situation is. From the top of my head, here are some ideas:

If you are only dealing with network services with exposed ports:

• A very simple solution would involve using a script and a port scanner (nmap); if a port that a service is listening behind, is open, then we can assume that the service is running. Run the script every once in a while to check up on the services, and do your thing.

• If you want to stay in Python, you can achieve the same end result by using Python's socket module to try and connect to a given host and port to determine whether or not the port that a service is listening behind, is open.

• A Python package or tool for monitoring network services on other hosts like this probably already exists.

If you want more information and need to go deeper, or you want to check up on local services, your solution will have to involve a local monitor process on each host, and connecting to that process to gather information.

• You can use your code to implement a server that lets clients connect to it, to check up on the services running on that host. (Check the socket module's official documentation for examples on how to implement clients and servers.)

Here's the big thing though. Based on your question and how it was asked, I would assume that you do not have the experience nor the insight to implement this in a secure way yet. If you're using this for a simple hobby/student project, roll out your own solution, and learn. Otherwise, I would recommend that you check out an existing solution like Nagios, and follow the security recommendations very closely.

After some digging I found there is an option you can enable via the init script called enable_query_name_tag which is disabled by default as it can cause there to be a ton of tags created when you are not using query names.

The modification is shown here:

Try the following query:

There is a second config file with experimental options related to HTTP server, and it has options to enable TLS:

The solution to this problem is to use an actual service discovery instead of static targets. This way Prometheus will scrape each replica during each iteration.

If it is just docker-compose (I mean, not Swarm), you can use DNS service discovery (dns_sd_config) to obtain all IPs belonging to a service:

There is a short description along with each of the metrics. You can see them if you open node exporter in browser or just curl http://my-node-exporter:9100/metrics. You will see all the exported metrics and lines with # HELP are the description ones:

You need the following query:

Recapping for better visibility:

OpsGenie supports multiple tools, including Google Stackdriver.
Instruction on how to integrate it with Stackdriver webhooks can be found here.

As far as i know there is no direct way to figure out a PVC is used by which pod To get that info possible workaround is grep through all the pods for the respective pvc :