Canonical Juju

Local dns server for juju IP addresses

Bug #2055891 reported by Leon
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Canonical Juju
Triaged
Wishlist
Unassigned

Bug Description

When developing and testing charms, it's very common to query the workload's HTTP API. For example:

https://github.com/canonical/prometheus-k8s-operator/blob/13a7202718f6441ff5c3101ccbba4cdbd633f00d/tests/integration/helpers.py#L23

In dev-envs and itests it would be extremely handy to be able to curl juju apps/units by topology, instead of via IP address. For example:

# App
prometheus.cos-lite.juju.internal:9090

# Unit
unit-0.prometheus.cos-lite.juju.internal:9090

# Leader
leader.prometheus.cos-lite.juju.internal:9090

Proof of concept:
https://discourse.charmhub.io/t/local-dns-server-for-juju-units-proof-of-concept/13280

Revision history for this message
Vitaly Antonenko (anvial) wrote :

Thx for providing perspective and useful PoC, this wishlist is definitely worth further discussion.

Changed in juju:
status: New → Triaged
importance: Undecided → Wishlist
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