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r/fluent-bit: Set HOSTNAME environment variable

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Fluent-bit does not have any native capability for setting a field with
the hostname of the machine, but it can set a field with the value of an
environment variable.  Thus, we can set the `HOSTNAME` environment
variable and then use that to set the field in the pipeline.
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Dustin
2025-09-15 07:53:13 -05:00
parent d0bffdeb15
commit 0331a55b3e
1 changed files with 1 additions and 0 deletions
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roles/fluent-bit/files/fluent-bit.service
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@@ -10,6 +10,7 @@ StartLimitBurst=5
Type=exec Type=exec
ExecStart=/usr/bin/fluent-bit -c /etc/fluent-bit/fluent-bit.yml -Y ExecStart=/usr/bin/fluent-bit -c /etc/fluent-bit/fluent-bit.yml -Y
ExecReload=/bin/kill -HUP $MAINPID ExecReload=/bin/kill -HUP $MAINPID
Environment=HOSTNAME=%H
StateDirectory=fluent-bit StateDirectory=fluent-bit
Restart=always Restart=always
RestartSec=1 RestartSec=1