March 2020
Intermediate to advanced
626 pages
14h 45m
English
Content preview from Mastering Service Mesh
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Connecting Consul DNS to Kubernetes
Since Consul uses its own DNS, we will link the Consul DNS server as an upstream server to the Kubernetes coredns server. Follow these steps:
- Consul runs its own DNS for service discovery. Let's check it out:
$ kubectl -n consul get svcNAME TYPE CLUSTER-IP ---consul-connect-injector-svc ClusterIP 10.111.4.98 ---consul-dns ClusterIP 10.99.221.20 ---consul-server ClusterIP None ---consul-ui ClusterIP 10.110.177.68 ------ EXTERNAL-IP PORT(S) AGE--- <none> 443/TCP 22m--- <none> 53/TCP,53/UDP 22m--- <none> 8500/TCP,8301/TCP,8301/UDP,8302/TCP,8302/UDP, 8300/TCP,8600/TCP,8600/UDP 22m--- <none> 80/TCP 22m
We need to connect the consul-dns service to the Kubernetes DNS.
Let's take a look at the 03-create-coredns-configmap.sh ...
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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.
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