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Fastest and smaller Rsyslog built for x86-64 CPU architecture.
This source is used to build an image for rsyslog.
Rsyslog has a modular design. This enables functionality to be dynamically loaded from modules, which may also be written by any third party. The image contains:
| Output | Input | Parser | Message Modification | Functions | Library |
|---|---|---|---|---|---|
|
omclickhouse omelasticsearch omfile-hardened omgssapi omhiredis omhttp omhttpfs omkafka omlibdbi ommail ommongodb ommysql ompgsql omprog omrelp omruleset omstdout omtesting omuxsock |
im3195 imbatchreport imdiag imdocker imfile imgssapi imhiredis imhttp imkafka imklog immark impcap impstats imptcp imrelp imtcp imtuxedoulog imudp imuxsock |
pmaixforwardedfrom pmciscoios pmcisconames pmdb2diag pmlastmsg pmnormalize pmnull pmpanngfw pmsnare |
mmanon mmaudit mmcount mmdarwin mmdblookup mmexternal mmfields mmgrok mmjsonparse mmkubernetes mmnormalize mmpstrucdata mmrfc5424addhmac mmrm1stspace mmsequence mmtaghostname mmutf8fix |
fmhash fmhttp |
lmcry_gcry lmnet lmnetstrms lmnsd_gtls lmnsd_ossl lmnsd_ptcp lmregexp lmtcpclt lmtcpsrv lmzlibw |
This container will listen on 514/udp, and 514/tcp and drop all input data without additional configuration.
Rsyslog configuration will load any additionnal configuration files within /etc/rsyslog.d/ ending by the .conf extension.
Run a container from the CLI:
docker run --name rsyslog -d -p 514:514/tcp -p 514:514/udp \
-v /etc/rsyslog.d:/etc/rsyslog.d \
-v /path/syslog:/var/log/syslog \
levonet/rsyslogThis image is based on the popular Alpine Linux project, available in the alpine official image.
Alpine Linux is much smaller than most distribution base images (~5MB), and thus leads to much slimmer images in general.
This variant is highly recommended when final image size being as small as possible is desired. The main caveat to note is that it does use musl libc instead of glibc and friends, so certain software might run into issues depending on the depth of their libc requirements. However, most software doesn't have an issue with this, so this variant is usually a very safe choice. See this Hacker News comment thread for more discussion of the issues that might arise and some pro/con comparisons of using Alpine-based images.
To minimize image size, it's uncommon for additional related tools (such as git or bash) to be included in Alpine-based images. Using this image as a base, add the things you need in your own Dockerfile (see the alpine image description for examples of how to install packages if you are unfamiliar).