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osguard-amd64: initial config (#14439)
Introduce new osguard-amd64.yaml with the intent is to create a more full-featured Azure Linux OS Guard base image. This yaml file is expected to be used with Azure Linux Image Customizer, starting from a base image like the minimal-os base image, and will yield this new Azure Linux OS Guard image. To help with migration from Ubuntu hosts to Azure Linux OS guard host, create a directory at the /usr/local/share/ca-certificates location to allow containers/pods to mount certs there at runtime. Signed-off-by: Chris Co <[email protected]>
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‎toolkit/imageconfigs/files/common/99-dhcp-eth0.network‎

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[Match]
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Name=eth0
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[Network]
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DHCP=yes
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IPv6AcceptRA=no

‎toolkit/imageconfigs/files/osguard/10-repart.conf‎

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add_dracutmodules+=" systemd-repart "

‎toolkit/imageconfigs/files/osguard/additional-repo-files.repo‎

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[azurelinux-cloud-native]
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name=Azure Linux Cloud Native $releasever $basearch
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baseurl=https://packages.microsoft.com/azurelinux/$releasever/prod/cloud-native/$basearch
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gpgkey=file:///etc/pki/rpm-gpg/MICROSOFT-RPM-GPG-KEY
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gpgcheck=1
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repo_gpgcheck=1
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enabled=1
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skip_if_unavailable=True
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sslverify=1
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[azurelinux-official-extended]
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name=Azure Linux Official Extended $releasever $basearch
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baseurl=https://packages.microsoft.com/azurelinux/$releasever/prod/extended/$basearch
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gpgkey=file:///etc/pki/rpm-gpg/MICROSOFT-RPM-GPG-KEY
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gpgcheck=1
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repo_gpgcheck=1
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enabled=1
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skip_if_unavailable=True
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sslverify=1

‎toolkit/imageconfigs/files/osguard/chrony.conf‎

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# CLOUD_IMG: This file was created/modified by the Cloud Image build process
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# Welcome to the chrony configuration file. See chrony.conf(5) for more
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# information about usable directives.
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# Include configuration files found in /etc/chrony.conf.d.
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confdir /etc/chrony.conf.d
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# This will use (up to):
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# - 4 sources from ntp.ubuntu.com which some are ipv6 enabled
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# - 2 sources from 2.ubuntu.pool.ntp.org which is ipv6 enabled as well
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# - 1 source from [01].ubuntu.pool.ntp.org each (ipv4 only atm)
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# This means by default, up to 6 dual-stack and up to 2 additional IPv4-only
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# sources will be used.
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# At the same time it retains some protection against one of the entries being
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# down (compare to just using one of the lines). See (LP: #1754358) for the
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# discussion.
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#
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# About using servers from the NTP Pool Project in general see (LP: #104525).
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# Approved by Ubuntu Technical Board on 2011-02-08.
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# See http://www.pool.ntp.org/join.html for more information.
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#pool ntp.ubuntu.com iburst maxsources 4
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#pool 0.ubuntu.pool.ntp.org iburst maxsources 1
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#pool 1.ubuntu.pool.ntp.org iburst maxsources 1
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#pool 2.ubuntu.pool.ntp.org iburst maxsources 2
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# Use time sources from DHCP.
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sourcedir /run/chrony-dhcp
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# This directive specify the location of the file containing ID/key pairs for
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# NTP authentication.
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keyfile /etc/chrony.keys
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# This directive specify the file into which chronyd will store the rate
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# information.
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driftfile /var/lib/chrony/drift
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# Save NTS keys and cookies.
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ntsdumpdir /var/lib/chrony
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# Uncomment the following line to turn logging on.
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#log tracking measurements statistics
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# Log files location.
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logdir /var/log/chrony
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# Stop bad estimates upsetting machine clock.
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maxupdateskew 100.0
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# This directive enables kernel synchronisation (every 11 minutes) of the
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# real-time clock. Note that it can’t be used along with the 'rtcfile' directive.
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rtcsync
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# Step the system clock instead of slewing it if the adjustment is larger than
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# one second, with no limit to how many clock updates have occurred.
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makestep 1.0 -1
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# Get TAI-UTC offset and leap seconds from the system tz database.
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# This directive must be commented out when using time sources serving
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# leap-smeared time.
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leapsectz right/UTC
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# Azure hosts are synchronized to internal Microsoft time servers that
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# take their time from Microsoft-owned Stratum 1 devices. The Hyper-V
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# drivers surface this time source as a PTP-based time source in the
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# guest. This configures chrony to use it. This also causes chronyd
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# to require the /dev/ptp_hyperv device; chronyd will fail to start if
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# it is not present. If this line is removed (so chronyd no longer
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# uses the /dev/ptp_hyperv device), also remove (or comment out) the
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# /etc/systemd/system/chronyd.service.d/wait-for-ptp-hyperv.conf file.
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refclock PHC /dev/ptp_hyperv poll 3 dpoll -2 offset 0

‎toolkit/imageconfigs/files/osguard/cloud.cfg‎

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# The top level settings are used as module
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# and base configuration.
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# A set of users which may be applied and/or used by various modules
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# when a 'default' entry is found it will reference the 'default_user'
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# from the distro configuration specified below
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# users:
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# - default
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# If this is set, 'root' will not be able to ssh in and they
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# will get a message to login instead as the default $user
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# disable_root: false
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# This will cause the set+update hostname module to not operate (if true)
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# preserve_hostname: false
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# If you use datasource_list array, keep array items in a single line.
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# If you use multi line array, ds-identify script won't read array items.
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# Example datasource config
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datasource:
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Azure:
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apply_network_config: false
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# Ec2:
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# metadata_urls: [ 'blah.com' ]
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# timeout: 5 # (defaults to 50 seconds)
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# max_wait: 10 # (defaults to 120 seconds)
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# The modules that run in the 'init' stage
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cloud_init_modules:
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# - seed_random
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# - bootcmd
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# - write_files
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# - growpart
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# - resizefs
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- disk_setup
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- mounts
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- set_hostname
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# - update_hostname
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# - update_etc_hosts
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# - ca_certs
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# - rsyslog
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# - users_groups
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# - ssh
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# - set_passwords
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# The modules that run in the 'config' stage
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# cloud_config_modules:
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# - ssh_import_id
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# - keyboard
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# - locale
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# - spacewalk
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# - yum_add_repo
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# - ntp
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# - timezone
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# - disable_ec2_metadata
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# - runcmd
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# The modules that run in the 'final' stage
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# cloud_final_modules:
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# - package_update_upgrade_install
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# - write_files_deferred
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# - puppet
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# - chef
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# - ansible
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# - mcollective
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# - salt_minion
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# - reset_rmc
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# - scripts_vendor
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# - scripts_per_once
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# - scripts_per_boot
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# - scripts_per_instance
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# - scripts_user
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# - ssh_authkey_fingerprints
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# - keys_to_console
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# - install_hotplug
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# - phone_home
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# - final_message
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# - power_state_change
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# System and/or distro specific settings
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# (not accessible to handlers/transforms)
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# system_info:
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# # This will affect which distro class gets used
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# distro: azurelinux
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# # Default user name + that default users groups (if added/used)
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# default_user:
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# name: azurelinux
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# lock_passwd: True
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# gecos: Azure Linux
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# groups: [wheel]
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# sudo: ["ALL=(ALL) NOPASSWD:ALL"]
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# shell: /bin/bash
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# # network:
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# # renderers: ['networkd']
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# # # Other config here will be given to the distro class and/or path classes
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# # paths:
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# # cloud_dir: /var/lib/cloud/
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# # templates_dir: /etc/cloud/templates/
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# ssh_svcname: sshd

‎toolkit/imageconfigs/files/osguard/repart.d/10-esp.conf‎

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[Partition]
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Type=esp
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Label=esp
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SizeMinBytes=512M
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SizeMaxBytes=512M

‎toolkit/imageconfigs/files/osguard/repart.d/11-boot-a.conf‎

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[Partition]
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Type=linux-generic
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Label=boot-a
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SizeMinBytes=100M
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SizeMaxBytes=100M

‎toolkit/imageconfigs/files/osguard/repart.d/12-usr-a.conf‎

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[Partition]
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Type=usr
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Label=usr-a
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SizeMinBytes=1G
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SizeMaxBytes=1G

‎toolkit/imageconfigs/files/osguard/repart.d/13-usr-hash-a.conf‎

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[Partition]
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Type=usr-verity
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Label=usr-hash-a
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SizeMinBytes=128M
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SizeMaxBytes=128M

‎toolkit/imageconfigs/files/osguard/repart.d/14-root-a.conf‎

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[Partition]
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Type=root
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Label=root-a
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SizeMinBytes=10G
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Weight=1000
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GrowFileSystem=true

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