Date: Sun, 17 May 2020 21:55:00 +0000 (UTC) From: Colin Percival <cperciva@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r361143 - head/release/tools Message-ID: <202005172155.04HLt07J036230@repo.freebsd.org>
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Author: cperciva Date: Sun May 17 21:54:59 2020 New Revision: 361143 URL: https://svnweb.freebsd.org/changeset/base/361143 Log: Add /etc/autofs/special_efs to EC2 AMIs Since Amazon Elastic File System is only available within AWS, it seems more appropriate to have this added only in EC2 AMIs rather than "polluting" non-EC2 images with it. Reviewed by: gjb MFC after: 7 days Relnotes: Amazon EFS filesystems can be automounted by enabling autofs and placing "/efs -efs" into /etc/auto_master. Sponsored by: https://www.patreon.com/cperciva Differential Revision: https://reviews.freebsd.org/D24791 Modified: head/release/tools/ec2.conf Modified: head/release/tools/ec2.conf ============================================================================== --- head/release/tools/ec2.conf Sun May 17 21:29:45 2020 (r361142) +++ head/release/tools/ec2.conf Sun May 17 21:54:59 2020 (r361143) @@ -113,6 +113,23 @@ vm_extra_pre_umount() { -e '1,/^#server/s/^#server.*/server 169.254.169.123 iburst/' \ ${DESTDIR}/etc/ntp.conf + # Provide a map for accessing Elastic File System mounts + cat > ${DESTDIR}/etc/autofs/special_efs <<'EOF' +#!/bin/sh + +if [ $# -eq 0 ]; then + # No way to know which EFS filesystems exist and are + # accessible to this EC2 instance. + exit 0 +fi + +# Provide instructions on how to mount the requested filesystem. +FS=$1 +REGION=`fetch -qo- http://169.254.169.254/latest/meta-data/placement/availability-zone | sed -e 's/[a-z]$//'` +echo "-nfsv4,minorversion=1,oneopenown ${FS}.efs.${REGION}.amazonaws.com:/" +EOF + chmod 755 ${DESTDIR}/etc/autofs/special_efs + # The first time the AMI boots, the installed "first boot" scripts # should be allowed to run: # * ec2_configinit (download and process EC2 user-data)
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