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Systemd: move config generation to a separate unit

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- Modular unit composition: different tasks in separate units
- Use systemd tool set to run checks
- Avoid using inline shell in unit
This commit is contained in:
Arano-kai 2019-11-14 13:29:27 +02:00
parent 17a711ab8a
commit 7068160b20
2 changed files with 15 additions and 5 deletions
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13
contrib/systemd/yggdrasil-default-config.service Normal file
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@ -0,0 +1,13 @@
[Unit]
Description=yggdrasil default config generator
ConditionPathExists=|!/etc/yggdrasil.conf
ConditionFileNotEmpty=|!/etc/yggdrasil.conf
Wants=local-fs.target
After=local-fs.target
[Service]
Type=oneshot
Group=yggdrasil
StandardOutput=file:/etc/yggdrasil.conf
ExecStart=/usr/bin/yggdrasil -genconf
ExecStartPost=/usr/bin/chmod 0640 /etc/yggdrasil.conf

7
contrib/systemd/yggdrasil.service
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@ -1,7 +1,9 @@
[Unit]
Description=yggdrasil
Wants=network.target
Wants=yggdrasil-default-config.service
After=network.target
After=yggdrasil-default-config.service
[Service]
Group=yggdrasil
@ -10,11 +12,6 @@ ProtectSystem=true
SyslogIdentifier=yggdrasil
CapabilityBoundSet=CAP_NET_ADMIN
ExecStartPre=+-/sbin/modprobe tun
ExecStartPre=/bin/sh -ec "if ! test -s /etc/yggdrasil.conf; \
then umask 077; \
yggdrasil -genconf > /etc/yggdrasil.conf; \
echo 'WARNING: A new /etc/yggdrasil.conf file has been generated.'; \
fi"
ExecStart=/usr/bin/yggdrasil -useconffile /etc/yggdrasil.conf
ExecReload=/bin/kill -HUP $MAINPID
Restart=always