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https://github.com/linuxkit/linuxkit.git
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905636d642
Still leaves some intermediate repos in `base/` See #1266 Signed-off-by: Justin Cormack <justin.cormack@docker.com>
107 lines
3.5 KiB
Bash
Executable File
107 lines
3.5 KiB
Bash
Executable File
#!/bin/sh
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# mount filesystems
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mkdir -p -m 0755 /proc /run /tmp /sys /dev
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mount -n -t proc proc /proc -o ndodev,nosuid,noexec,relatime
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mount -n -t tmpfs tmpfs /run -o nodev,nosuid,noexec,relatime,size=10%,mode=755
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mount -n -t tmpfs tmpfs /tmp -o nodev,nosuid,noexec,relatime,size=10%,mode=1777
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# mount devfs
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mount -n -t devtmpfs dev /dev -o nosuid,noexec,relatime,size=10m,nr_inodes=248418,mode=755
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# devices
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[ -c /dev/console ] || mknod -m 600 /dev/console c 5 1
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[ -c /dev/tty1 ] || mknod -m 620 /dev/tty1 c 4 1
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[ -c /dev/tty ] || mknod -m 666 /dev/tty c 5 0
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[ -c /dev/null ] || mknod -m 666 /dev/null c 1 3
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[ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11
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# extra symbolic links not provided by default
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[ -e /dev/fd ] || ln -snf /proc/self/fd /dev/fd
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[ -e /dev/stdin ] || ln -snf /proc/self/fd/0 /dev/stdin
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[ -e /dev/stdout ] || ln -snf /proc/self/fd/1 /dev/stdout
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[ -e /dev/stderr ] || ln -snf /proc/self/fd/2 /dev/stderr
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[ -e /proc/kcore ] && ln -snf /proc/kcore /dev/core
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# devfs filesystems
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mkdir -p -m 1777 /dev/mqueue
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mkdir -p -m 1777 /dev/shm
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mkdir -p -m 0755 /dev/pts
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mount -n -t mqueue -o noexec,nosuid,nodev mqueue /dev/mqueue
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mount -n -t tmpfs -o noexec,nosuid,nodev,mode=1777 shm /dev/shm
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mount -n -t devpts -o noexec,nosuid,gid=5,mode=0620 devpts /dev/pts
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# mount sysfs
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sysfs_opts=nodev,noexec,nosuid
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mount -n -t sysfs -o ${sysfs_opts} sysfs /sys
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[ -d /sys/kernel/security ] && mount -n -t securityfs -o ${sysfs_opts} securityfs /sys/kernel/security
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[ -d /sys/kernel/debug ] && mount -n -t debugfs -o ${sysfs_opts} debugfs /sys/kernel/debug
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[ -d /sys/kernel/config ] && mount -n -t configfs -o ${sysfs_opts} configfs /sys/kernel/config
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[ -d /sys/fs/fuse/connections ] && mount -n -t fusectl -o ${sysfs_opts} fusectl /sys/fs/fuse/connections
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[ -d /sys/fs/selinux ] && mount -n -t selinuxfs -o nosuid,noexec selinuxfs /sys/fs/selinux
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[ -d /sys/fs/pstore ] && mount -n -t pstore pstore -o ${sysfs_opts} /sys/fs/pstore
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[ -d /sys/firmware/efi/efivars ] && mount -n -t efivarfs -o ro,${sysfs_opts} efivarfs /sys/firmware/efi/efivars
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# misc /proc mounted fs
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[ -d /proc/sys/fs/binfmt_misc ] && mount -t binfmt_misc -o nodev,noexec,nosuid binfmt_misc /proc/sys/fs/binfmt_misc
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# mount cgroups
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mount -n -t tmpfs -o nodev,noexec,nosuid,mode=755,size=10m cgroup_root /sys/fs/cgroup
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while read name hier groups enabled rest
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do
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case "${enabled}" in
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1) mkdir -p /sys/fs/cgroup/${name}
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mount -n -t cgroup -o ${sysfs_opts},${name} ${name} /sys/fs/cgroup/${name}
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;;
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esac
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done < /proc/cgroups
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# for compatibility
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mkdir -p /sys/fs/cgroup/systemd
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mount -t cgroup -o none,name=systemd cgroup /sys/fs/cgroup/systemd
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# set SELinux contexts
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if [ -x /sbin/restorecon ]
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then
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restorecon -F /sys/devices/system/cpu/online >/dev/null 2>&1
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restorecon -rF /sys/fs/cgroup >/dev/null 2>&1
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restorecon -rF /dev >/dev/null 2>&1
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fi
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# start mdev for hotplug
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echo "/sbin/mdev" > /proc/sys/kernel/hotplug
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# mdev -s will not create /dev/usb[1-9] devices with recent kernels
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# so we trigger hotplug events for usb for now
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for i in $(find /sys/devices -name 'usb[0-9]*'); do
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[ -e $i/uevent ] && echo add > $i/uevent
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done
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mdev -s
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# set hostname
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if [ -s /etc/hostname ]
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then
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hostname -F /etc/hostname
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fi
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if [ $(hostname) = "moby" -a -f /sys/class/net/eth0/address ]
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then
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mac=$(cat /sys/class/net/eth0/address)
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hostname moby-$(echo $mac | sed 's/://g')
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fi
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# set system clock from hwclock
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hwclock --hctosys --utc
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# bring up loopback interface
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ip addr add 127.0.0.1/8 dev lo brd + scope host
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ip route add 127.0.0.0/8 dev lo scope host
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ip link set lo up
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# will be containerised
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/sbin/dhcpcd
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