4:44 a.m.
Hi Muayyad,
Thanks for reaching out.
On Wed, Feb 23, 2022 at 8:26 PM Muayyad AlSadi <alsadi(a)gmail.com> wrote:
Hi,
when creating a pod with nothing shared and without infra
podman generate systemd -n pod_test
Error: error generating systemd unit files: Pod "pod_test" has no infra
container
here is the full commands
podman pod create --name=pod_test --infra=false --share=
podman network create pod_net
podman run --name=test_web80 -d --net pod_net --hostname web80
--pod=pod_test busybox httpd -f -p 8080 -h /etc
podman run --name=test_web90 --requires=test_web80 -d --net pod_net
--hostname web90 --pod=pod_test busybox httpd -f -p 9090 -h /etc
podman pod ps
9a894043a1e1 pod_test Running 18 seconds ago 2
if we replace
podman pod create --name=pod_test --infra=false --share=
with
podman pod create --name=pod_test --share=
podman pod ps
would display Degraded
5f2458ba5eac pod_test Degraded 18 seconds ago a3a4ca1b8e4d 3
if we remove --share=
it would complain about multiple hostnames
what do you suggest?
Using a pod with an infra container will resolve the issue.
and why systemd care about infra?
We need one top-level service to manage the pod. The infra container is the
main PID of the `pod.service`. As long as the pod is running, the infra is
running. Without that, there is no generic way of tracking and managing the
life cycle of the pod.
We could tie it to the first container in the pod but that may not be a
generic solution: if this container exists, the entire pod would falsely be
marked as exited regardless of other containers in the pod which might
still be running.
Kind regards,
Valentin
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