March 2020
Intermediate to advanced
626 pages
14h 45m
English
Content preview from Mastering Service Mesh
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Sidecar proxy metrics
Pilot generates dynamic configuration for the sidecar based upon the startup parameters and configuration information that's saved in the Kubernetes API server. Let's take a look:
- We can get this configuration by using the following code for the productpage:
$ PRODUCTPAGE_POD=$(kubectl -n istio-lab get pod -l app=productpage -o jsonpath='{.items[0].metadata.name}')$ kubectl -n istio-lab exec -i $PRODUCTPAGE_POD -c istio-proxy -- cat /etc/istio/proxy/envoy-rev0.json
- If you scroll through the preceding JSON output, you will notice that the listener port 15090 has a route called /stats/prometheus that Prometheus will scrape to gather data:
... "listeners":[ { "address": { "socket_address": { "protocol": "TCP", "address": ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.