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Changed docker driver to json-file #7932

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Changed docker driver to json-file #7932

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14 changes: 7 additions & 7 deletions install_config/aggregate_logging.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -42,13 +42,13 @@ administrators can view all logs, but application developers can only view logs
for projects they have permission to view. The stack components communicate
securely.

Aggregated logging is supported using the `json-file` or `journald` driver in Docker.
The Docker log driver is set to `journald` as the default for all nodes. See
Aggregated logging is supported using the `json-file` or `journald` driver in Docker.
The Docker log driver is set to `json-file` as the default for all nodes. See
xref:fluentd-upgrade-source[Updating Fluentd's Log Source After a Docker Log
Driver Update] for more information about switching between `json-file` and `journald`.
Fluentd automatically determines which log driver (`journald` or `json-file`) the container runtime is using.
Fluentd automatically determines which log driver (`journald` or `json-file`) the container runtime is using.

When the log driver is set to `journald`, Fluentd reads journald logs. When set to `json-file` Fluentd reads from *_/var/log/containers_*.
When the log driver is set to `journald`, Fluentd reads journald logs. When set to `json-file` Fluentd reads from *_/var/log/containers_*.

See xref:../install_config/install/host_preparation.adoc#managing-docker-container-logs[Managing
Docker Container Logs] for information on `json-file` logging driver options
Expand All @@ -57,7 +57,7 @@ to manage container logs and prevent filling node disks.

[IMPORTANT]
====
If Docker log-driver is set to journald, there is no log rate throttling with the `journald` driver.
If Docker log-driver is set to journald, there is no log rate throttling with the `journald` driver.
As a result, there is a risk of denial-of-service attacks from rogue containers.
====

Expand Down Expand Up @@ -1775,7 +1775,7 @@ $ curl --key /etc/elasticsearch/secret/admin-key \
[[fluentd-update-source]]
== Changing the Aggregated Logging Driver

By default, aggregated logging uses the `journald` log driver
By default, aggregated logging uses the `journald` log driver
xref:../install_config/install/advanced_install.adoc#configuring-host-variables[unless `json-file` was specified during installation]. You can change the log driver between `journald` and `json-file` as needed.

[IMPORTANT]
Expand All @@ -1795,7 +1795,7 @@ Logging Driver: journald
----

To change between `json-file` and `journald` after installation:

. Modify either the *_/etc/sysconfig/docker_* or *_/etc/docker/daemon.json_* files.
+
For example:
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12 changes: 6 additions & 6 deletions install_config/install/advanced_install.adoc
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Expand Up @@ -513,12 +513,12 @@ which may cause invalid configurations. Example usage:
|`openshift_docker_options`
a|This variable configures additional `docker` options within
*_/etc/sysconfig/docker_*, such as options used in
xref:../../install_config/install/host_preparation.adoc#managing-docker-container-logs[Managing Container Logs].
Use `json-file` or `journald`. The default is `journald`.
Example usage:
xref:../../install_config/install/host_preparation.adoc#managing-docker-container-logs[Managing Container Logs].
Use `json-file` or `journald`. The default is `json-file`.
Example usage:
----
"--log-driver json-file --log-opt max-size=1M --log-opt max-file=3"
"--log-driver journald"
"--log-driver journald"
----
Do not use when
xref:advanced-install-docker-system-container[running `docker` as a system container].
Expand Down Expand Up @@ -816,7 +816,7 @@ openshift_docker_additional_registries=example.com

If you are using a Cockpit registry console image other than the default or require a specific version of the console,
specify the desired registry within the
*_/etc/ansible/hosts_* file.
*_/etc/ansible/hosts_* file.

----
openshift_cockpit_deployer_prefix=<registry-name>/<namespace>/
Expand All @@ -839,7 +839,7 @@ For example:
If your image is at *_registry.example.com/openshift3/registry-console_* and you require
version 1.4.1, enter:
----
openshift_cockpit_deployer_prefix='registry.example.com/openshift3/'
openshift_cockpit_deployer_prefix='registry.example.com/openshift3/'
openshift_cockpit_deployer_version='1.4.1'
----

Expand Down