feat(inputs.directory_monitor): Support paths for files_to_ignore and files_to_monitor

[sspaink]

#11773 introduced the feature to traverse sub-directories, @Hipska pointed out the configuration options files_to_ignore and files_to_monitor doesn't support paths. So when two files have the same name but one is in a sub-directory there is now way to distinct one over the other.

This pull request updated the functions for matching files to the regexs that were provided to ignore and monitor to send the path instead of the name.

[telegraf-tiger]

Download PR build artifacts for linux_amd64.tar.gz, darwin_amd64.tar.gz, and windows_amd64.zip.
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👍 This pull request doesn't change the Telegraf binary size

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Artifact URLs

DEB	RPM	TAR GZ	ZIP
amd64.deb	aarch64.rpm	darwin_amd64.tar.gz	windows_amd64.zip
arm64.deb	armel.rpm	darwin_arm64.tar.gz	windows_i386.zip
armel.deb	armv6hl.rpm	freebsd_amd64.tar.gz
armhf.deb	i386.rpm	freebsd_armv7.tar.gz
i386.deb	ppc64le.rpm	freebsd_i386.tar.gz
mips.deb	riscv64.rpm	linux_amd64.tar.gz
mipsel.deb	s390x.rpm	linux_arm64.tar.gz
ppc64el.deb	x86_64.rpm	linux_armel.tar.gz
riscv64.deb		linux_armhf.tar.gz
s390x.deb		linux_i386.tar.gz
		linux_mips.tar.gz
		linux_mipsel.tar.gz
		linux_ppc64le.tar.gz
		linux_riscv64.tar.gz
		linux_s390x.tar.gz
		static_linux_amd64.tar.gz

[Hipska]

Thanks to “fix” so fast. Didn’t test yet, will be on Monday the earliest.

I think it can be shipped, we can fix afterwards as there should be no impact for current users.

[Hipska]

One remark: Having directories defined without trailing slash (eg directory = "/var/spool/telegraf") would it look logical to you to need to define the files_to_ignore and files_to_monitor prefixed with a slash?