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Systemd units, limits, and bin path fixes

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* Add restart for weave service unit
* Reuse docker_bin_dir everythere
* Limit systemd managed docker containers by CPU/RAM. Do not configure native
  systemd limits due to the lack of consensus in the kernel community
  requires out-of-tree kernel patches.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
This commit is contained in:
Bogdan Dobrelya
2016-12-23 15:44:44 +01:00
committed by Bogdan Dobrelya
parent 6139ee3add
commit a56d9de502
46 changed files with 237 additions and 50 deletions
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4
roles/etcd/templates/deb-etcd-docker.initd.j2
View File

@@ -15,7 +15,7 @@ set -a
PATH=/sbin:/usr/sbin:/bin/:/usr/bin
DESC="etcd k/v store"
NAME=etcd
DAEMON={{ docker_bin_dir | default("/usr/bin") }}/docker
DAEMON={{ docker_bin_dir }}/docker
DAEMON_EXEC=`basename $DAEMON`
DAEMON_ARGS="run --restart=on-failure:5 --env-file=/etc/etcd.env \
--net=host \
@@ -50,7 +50,7 @@ do_status()
#
do_start()
{
{{ docker_bin_dir | default("/usr/bin") }}/docker rm -f {{ etcd_member_name | default("etcd-proxy") }} &>/dev/null || true
{{ docker_bin_dir }}/docker rm -f {{ etcd_member_name | default("etcd") }} &>/dev/null || true
sleep 1
start-stop-daemon --background --start --quiet --make-pidfile --pidfile $PID --user $DAEMON_USER --exec $DAEMON -- \
$DAEMON_ARGS \

9
roles/etcd/templates/etcd-docker.service.j2
View File

@@ -6,7 +6,7 @@ After=docker.service
[Service]
User=root
PermissionsStartOnly=true
ExecStart={{ docker_bin_dir | default("/usr/bin") }}/docker run --restart=on-failure:5 \
ExecStart={{ docker_bin_dir }}/docker run --restart=on-failure:5 \
--env-file=/etc/etcd.env \
{# TODO(mattymo): Allow docker IP binding and disable in envfile
-p 2380:2380 -p 2379:2379 #}
@@ -14,14 +14,15 @@ ExecStart={{ docker_bin_dir | default("/usr/bin") }}/docker run --restart=on-fai
-v /etc/ssl/certs:/etc/ssl/certs:ro \
-v {{ etcd_cert_dir }}:{{ etcd_cert_dir }}:ro \
-v /var/lib/etcd:/var/lib/etcd:rw \
--memory={{ etcd_memory_limit|regex_replace('Mi', 'M') }} --cpu-shares={{ etcd_cpu_limit|regex_replace('m', '') }} \
--name={{ etcd_member_name | default("etcd") }} \
{{ etcd_image_repo }}:{{ etcd_image_tag }} \
{% if etcd_after_v3 %}
{{ etcd_container_bin_dir }}etcd
{% endif %}
ExecStartPre=-{{ docker_bin_dir | default("/usr/bin") }}/docker rm -f {{ etcd_member_name | default("etcd-proxy") }}
ExecReload={{ docker_bin_dir | default("/usr/bin") }}/docker restart {{ etcd_member_name | default("etcd-proxy") }}
ExecStop={{ docker_bin_dir | default("/usr/bin") }}/docker stop {{ etcd_member_name | default("etcd-proxy") }}
ExecStartPre=-{{ docker_bin_dir }}/docker rm -f {{ etcd_member_name | default("etcd") }}
ExecReload={{ docker_bin_dir }}/docker restart {{ etcd_member_name | default("etcd") }}
ExecStop={{ docker_bin_dir }}/docker stop {{ etcd_member_name | default("etcd") }}
Restart=always
RestartSec=15s