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From 7b09e9782c4e6892a8d16fd4e3aa2cca440a41e6 Mon Sep 17 00:00:00 2001
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From: Rich Megginson <rmeggins@redhat.com>
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Date: Wed, 22 Aug 2018 08:37:03 -0600
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Subject: [PATCH] url not required - add information about CRI-O
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The KubernetesURL parameter is not mandatory since it has
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a useful default value.
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Add information about CRI-O.
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Minor cleanup.
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---
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source/configuration/modules/mmkubernetes.rst | 18 +++++++++---------
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1 file changed, 9 insertions(+), 9 deletions(-)
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diff --git a/source/configuration/modules/mmkubernetes.rst b/source/configuration/modules/mmkubernetes.rst
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index be9e710f..a3cd4d49 100644
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--- a/source/configuration/modules/mmkubernetes.rst
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+++ b/source/configuration/modules/mmkubernetes.rst
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@@ -19,14 +19,14 @@ namespace.
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.. note::
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- This **only** works with log files in `/var/log/containers/*.log`
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- (docker `--log-driver=json-file`), or with journald entries with
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+ This **only** works with log files in `/var/log/containers/*.log` (docker
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+ `--log-driver=json-file`, or CRI-O log files), or with journald entries with
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message properties `CONTAINER_NAME` and `CONTAINER_ID_FULL` (docker
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- `--log-driver=journald`), and when the application running inside
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- the container writes logs to `stdout`/`stderr`. This **does not**
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- currently work with other log drivers.
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+ `--log-driver=journald`), and when the application running inside the
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+ container writes logs to `stdout`/`stderr`. This **does not** currently
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+ work with other log drivers.
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-For json-file logs, you must use the `imfile` module with the
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+For json-file and CRI-O logs, you must use the `imfile` module with the
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`addmetadata="on"` parameter, and the filename must match the
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liblognorm rules specified by the `filenamerules`
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(:ref:`filenamerules`) or `filenamerulebase` (:ref:`filenamerulebase`)
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@@ -70,7 +70,7 @@ KubernetesURL
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:widths: auto
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:class: parameter-table
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- "word", "https://kubernetes.default.svc.cluster.local:443", "yes", "none"
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+ "word", "https://kubernetes.default.svc.cluster.local:443", "no", "none"
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The URL of the Kubernetes API server. Example: `https://localhost:8443`.
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@@ -248,8 +248,6 @@ match the filename and extract metadata. The default value is::
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In the above rules, the slashes ``\`` ending each line indicate
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line wrapping - they are not part of the rule.
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-There are two rules because the `container_hash` is optional.
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-
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.. _filenamerulebase:
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filenamerulebase
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@@ -351,6 +349,8 @@ get the basic necessary Kubernetes metadata from the filename:
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input(type="imfile" file="/var/log/containers/*.log"
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tag="kubernetes" addmetadata="on")
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+(Add `reopenOnTruncate="on"` if using Docker, not required by CRI-O).
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+
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and/or an `imjournal` input for docker journald container logs annotated by
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Kubernetes:
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