The managed config shipped in /etc never reached updated devices: mdatp-firstboot creates /etc/opt/microsoft/mdatp on the device, so ostree's /etc merge treats that directory as local and doesn't add new image files under it. VM 123 had the file in /usr/etc but not in /etc, and Defender kept its defaults. Ship it in /usr/share/mdatp-managed/ and install it into /etc/opt/microsoft/mdatp/managed/ from an ExecStartPre in mdatp.service. This also applies changes from newer images and undoes local edits. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
8 lines
530 B
Plaintext
8 lines
530 B
Plaintext
# Install the image's enforced Defender settings each time Defender starts.
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# The image can't ship them in /etc directly: mdatp-firstboot creates
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# /etc/opt/microsoft/mdatp on the device, so on updates that directory counts
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# as local and ostree's /etc merge never adds new files under it. Copying on
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# every start also picks up changes from newer images and undoes local edits.
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[Service]
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ExecStartPre=+/usr/bin/install -D -Z -m 0644 /usr/share/mdatp-managed/mdatp_managed.json /etc/opt/microsoft/mdatp/managed/mdatp_managed.json
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