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kubespray/roles/docker/templates/systemd-docker.service.j2

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Flannel running as pod
8 years ago
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Rework systemd service units * Add for docker system units: ExecReload=/bin/kill -s HUP $MAINPID Delegate=yes KillMode=process. * Add missed DOCKER_OPTIONS for calico/weave docker systemd unit. * Change Requires= to a less strict and non-faily Wants=, add missing Wants= for After=. * Align wants/after in a wat if Wants=foo, After= has foo as well. * Make wants/after docker.service to ask for the docker.socket as well. * Move "docker rm -f" commands from ExecStartPre= to ExecStopPost=. hooks to ensure non-destructive start attempts issued by Wants=. Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
8 years ago
Flannel running as pod
8 years ago
​
​
Rework systemd service units * Add for docker system units: ExecReload=/bin/kill -s HUP $MAINPID Delegate=yes KillMode=process. * Add missed DOCKER_OPTIONS for calico/weave docker systemd unit. * Change Requires= to a less strict and non-faily Wants=, add missing Wants= for After=. * Align wants/after in a wat if Wants=foo, After= has foo as well. * Make wants/after docker.service to ask for the docker.socket as well. * Move "docker rm -f" commands from ExecStartPre= to ExecStopPost=. hooks to ensure non-destructive start attempts issued by Wants=. Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
8 years ago
Flannel running as pod
8 years ago
​
​
​
Update docker for CentOS issues in AWS and general variables. 1. AWS has issues with ext4 (use xfs instead for CentOS only) 2. Make sure all the centos config files are include in the systemd config 3. Make sure that network options are set in the correct file by os family This allows downstream items like opencontrail and others change variables in expected locations.
8 years ago
Modify calico docker.service
8 years ago
Maintain backwards compatibility with EL6
8 years ago
​
​
Update docker for CentOS issues in AWS and general variables. 1. AWS has issues with ext4 (use xfs instead for CentOS only) 2. Make sure all the centos config files are include in the systemd config 3. Make sure that network options are set in the correct file by os family This allows downstream items like opencontrail and others change variables in expected locations.
8 years ago
Flannel running as pod
8 years ago
Update docker for CentOS issues in AWS and general variables. 1. AWS has issues with ext4 (use xfs instead for CentOS only) 2. Make sure all the centos config files are include in the systemd config 3. Make sure that network options are set in the correct file by os family This allows downstream items like opencontrail and others change variables in expected locations.
8 years ago
Flannel running as pod
8 years ago
Rework systemd service units * Add for docker system units: ExecReload=/bin/kill -s HUP $MAINPID Delegate=yes KillMode=process. * Add missed DOCKER_OPTIONS for calico/weave docker systemd unit. * Change Requires= to a less strict and non-faily Wants=, add missing Wants= for After=. * Align wants/after in a wat if Wants=foo, After= has foo as well. * Make wants/after docker.service to ask for the docker.socket as well. * Move "docker rm -f" commands from ExecStartPre= to ExecStopPost=. hooks to ensure non-destructive start attempts issued by Wants=. Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
8 years ago
​
​
Flannel running as pod
8 years ago
​
​
​
Modify calico docker.service
8 years ago
​
Move docker systemd unit creation to docker role Creating the unit using default settings early on and then changing it during network_plugin section leads to too many docker restarts and duplicated code. Reversed Wants= dependence on docker.service so it does not restart docker when reloading systemd Consolidated all docker restart handlers.
8 years ago
Flannel running as pod
8 years ago
​
​
​
Move docker systemd unit creation to docker role Creating the unit using default settings early on and then changing it during network_plugin section leads to too many docker restarts and duplicated code. Reversed Wants= dependence on docker.service so it does not restart docker when reloading systemd Consolidated all docker restart handlers.
8 years ago
Flannel running as pod
8 years ago
​
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  1. [Unit]
  2. Description=Docker Application Container Engine
  3. Documentation=http://docs.docker.com
  4. {% if ansible_os_family == "RedHat" %}
  5. After=network.target docker-storage-setup.service
  6. Wants=docker-storage-setup.service
  7. {% elif ansible_os_family == "Debian" %}
  8. After=network.target docker.socket
  9. Wants=docker.socket
  10. {% endif %}
  12. [Service]
  13. Type=notify
  14. {% if ansible_os_family == "RedHat" %}
  15. EnvironmentFile=-/etc/default/docker
  16. EnvironmentFile=-/etc/sysconfig/docker
  17. EnvironmentFile=-/etc/sysconfig/docker-network
  18. EnvironmentFile=-/etc/sysconfig/docker-storage
  19. {% elif ansible_os_family == "Debian" %}
  20. EnvironmentFile=-/etc/default/docker
  21. {% endif %}
  22. Environment=GOTRACEBACK=crash
  23. ExecReload=/bin/kill -s HUP $MAINPID
  24. Delegate=yes
  25. KillMode=process
  26. ExecStart=/usr/bin/docker daemon \
  27. $OPTIONS \
  28. $DOCKER_STORAGE_OPTIONS \
  29. $DOCKER_NETWORK_OPTIONS \
  30. $INSECURE_REGISTRY \
  31. $DOCKER_OPTS
  32. TasksMax=infinity
  33. LimitNOFILE=1048576
  34. LimitNPROC=1048576
  35. LimitCORE=infinity
  36. TimeoutStartSec=1min
  37. Restart=on-abnormal
  39. [Install]
  40. WantedBy=multi-user.target