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Change confluent to run as non-root and harden systemd

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This mitigates a great deal of risk compared to prior behavior.
This commit is contained in:
Jarrod Johnson 2020-01-31 09:52:52 -05:00
parent 968efe719a
commit 0d5fa7a98a
2 changed files with 18 additions and 1 deletions
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9
confluent_server/confluent_server.spec.tmpl
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@ -52,6 +52,15 @@ cat INSTALLED_FILES
if [ -x /usr/bin/systemctl ]; then /usr/bin/systemctl try-restart confluent >& /dev/null; fi
true
%pre
getent group confluent > /dev/null || /usr/sbin/groupadd -r confluent
getent passwd confluent > /dev/null || /usr/sbin/useradd -r -g confluent -d /var/lib/confluent -s /sbin/nologin confluent
mkdir -p /etc/confluent
mkdir -p /var/lib/confluent
mkdir -p /var/run/confluent
mkdir -p /var/log/confluent
chown -R confluent:confluent /etc/confluent /var/lib/confluent /var/run/confluent /var/log/confluent
%post
sysctl -p /usr/lib/sysctl.d/confluent.conf >& /dev/null
if [ -x /usr/bin/systemctl ]; then /usr/bin/systemctl try-restart confluent >& /dev/null; fi

10
confluent_server/systemd/confluent.service
View File

@ -1,6 +1,7 @@
# IBM(c) 2015 Apache 2.0
# Lenovo(c) 2020 Apache 2.0
[Unit]
Description=Confluent hardware manager
Description=Confluent hardware manager
[Service]
Type=forking
@ -9,6 +10,13 @@ ExecStart=/opt/confluent/bin/confluent
ExecStop=/opt/confluent/bin/confetty shutdown /
Restart=on-failure
AmbientCapabilities=CAP_NET_BIND_SERVICE
User=confluent
Group=confluent
DevicePolicy=closed
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
PrivateDevices=true
ProtectControlGroups=true
ProtectSystem=true
[Install]
WantedBy=multi-user.target