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Add certmonger-etcd-refresh.sh script

Add a script that refreshes the etcd cert and key files in all
containers that reference them. This includes etcd itself, plus any
cinder services that access etcd.

Change-Id: I0ea26253355a57b3721bfa6ceef3972eaabc5b1d
changes/06/743806/1
Alan Bishop 1 year ago
parent
commit
95db8b4947
  1. 25
      files/certmonger-etcd-refresh.sh
  2. 8
      manifests/certmonger/etcd.pp

25
files/certmonger-etcd-refresh.sh

@ -0,0 +1,25 @@
#!/bin/bash
container_cli=$(hiera -c /etc/puppet/hiera.yaml container_cli podman)
# cinder uses etcd, so its containers also need to be refreshed
container_names=$($container_cli ps --format="{{.Names}}" | grep -E 'cinder|etcd')
service_crt="$(hiera -c /etc/puppet/hiera.yaml tripleo::profile::base::etcd::certificate_specs.service_certificate)"
service_key="$(hiera -c /etc/puppet/hiera.yaml tripleo::profile::base::etcd::certificate_specs.service_key)"
kolla_dir="/var/lib/kolla/config_files/src-tls"
# For each container, check whether the cert and key files need to be updated.
# The check is necessary because the original THT design directly bind mounted
# the files to their final location, and did not copy them in via $kolla_dir.
# Regardless of whether the container is directly using the files, or a copy,
# there's no need to trigger a reload because the cert is not cached.
for container_name in ${container_names[*]}; do
$container_cli exec -u root "$container_name" bash -c "
[[ -f ${kolla_dir}/${service_crt} ]] && cp ${kolla_dir}/${service_crt} $service_crt;
[[ -f ${kolla_dir}/${service_key} ]] && cp ${kolla_dir}/${service_key} $service_key;
true
"
done

8
manifests/certmonger/etcd.pp

@ -55,8 +55,12 @@ class tripleo::certmonger::etcd (
) {
include certmonger
# Note: A $postsave_cmd should not be needed because etcd doesn't cache
# certificates. See https://github.com/etcd-io/etcd/pull/7784.
ensure_resource('file', '/usr/bin/certmonger-etcd-refresh.sh', {
source => 'puppet:///modules/tripleo/certmonger-etcd-refresh.sh',
mode => '0700',
seltype => 'bin_t',
notify => Service['certmonger']
})
certmonger_certificate { 'etcd' :
ensure => 'present',

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