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fix(installer): identify live loop backing after dracut switch-root

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2026-10-13 05:34:39 +03:00
parent 2f48de0aa2
commit 43dc742e08
4 changed files with 361 additions and 17 deletions
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tests/fixtures/installer-dracut-findmnt.json
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{
"filesystems": [
{
"source": "LiveOS_rootfs",
"target": "/",
"fstype": "overlay",
"maj:min": "0:31",
"options": "rw,relatime,lowerdir=/run/rootfsbase,upperdir=/run/overlayfs,workdir=/run/ovlwork,uuid=on",
"children": [
{
"source": "tmpfs",
"target": "/tmp",
"fstype": "tmpfs",
"maj:min": "0:40",
"options": "rw,nosuid,nodev,nr_inodes=1048576,inode64,usrquota"
},
{
"source": "devtmpfs",
"target": "/dev",
"fstype": "devtmpfs",
"maj:min": "0:6",
"options": "rw,nosuid,size=1930828k,nr_inodes=482707,mode=755,inode64",
"children": [
{
"source": "hugetlbfs",
"target": "/dev/hugepages",
"fstype": "hugetlbfs",
"maj:min": "0:36",
"options": "rw,nosuid,nodev,relatime,pagesize=2M"
},
{
"source": "mqueue",
"target": "/dev/mqueue",
"fstype": "mqueue",
"maj:min": "0:21",
"options": "rw,nosuid,nodev,noexec,relatime"
},
{
"source": "tmpfs",
"target": "/dev/shm",
"fstype": "tmpfs",
"maj:min": "0:24",
"options": "rw,nosuid,nodev,inode64,usrquota"
},
{
"source": "devpts",
"target": "/dev/pts",
"fstype": "devpts",
"maj:min": "0:25",
"options": "rw,nosuid,noexec,relatime,gid=5,mode=600,ptmxmode=000"
}
]
},
{
"source": "sysfs",
"target": "/sys",
"fstype": "sysfs",
"maj:min": "0:23",
"options": "rw,nosuid,nodev,noexec,relatime",
"children": [
{
"source": "fusectl",
"target": "/sys/fs/fuse/connections",
"fstype": "fusectl",
"maj:min": "0:37",
"options": "rw,nosuid,nodev,noexec,relatime"
},
{
"source": "tracefs",
"target": "/sys/kernel/tracing",
"fstype": "tracefs",
"maj:min": "0:13",
"options": "rw,nosuid,nodev,noexec,relatime"
},
{
"source": "debugfs",
"target": "/sys/kernel/debug",
"fstype": "debugfs",
"maj:min": "0:8",
"options": "rw,nosuid,nodev,noexec,relatime"
},
{
"source": "securityfs",
"target": "/sys/kernel/security",
"fstype": "securityfs",
"maj:min": "0:7",
"options": "rw,nosuid,nodev,noexec,relatime"
},
{
"source": "cgroup2",
"target": "/sys/fs/cgroup",
"fstype": "cgroup2",
"maj:min": "0:27",
"options": "rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot,memory_hugetlb_accounting"
},
{
"source": "none",
"target": "/sys/fs/pstore",
"fstype": "pstore",
"maj:min": "0:28",
"options": "rw,nosuid,nodev,noexec,relatime"
},
{
"source": "efivarfs",
"target": "/sys/firmware/efi/efivars",
"fstype": "efivarfs",
"maj:min": "0:29",
"options": "rw,nosuid,nodev,noexec,relatime"
},
{
"source": "bpf",
"target": "/sys/fs/bpf",
"fstype": "bpf",
"maj:min": "0:30",
"options": "rw,nosuid,nodev,noexec,relatime,mode=700"
},
{
"source": "configfs",
"target": "/sys/kernel/config",
"fstype": "configfs",
"maj:min": "0:19",
"options": "rw,nosuid,nodev,noexec,relatime"
}
]
},
{
"source": "proc",
"target": "/proc",
"fstype": "proc",
"maj:min": "0:22",
"options": "rw,nosuid,nodev,noexec,relatime",
"children": [
{
"source": "systemd-1",
"target": "/proc/sys/fs/binfmt_misc",
"fstype": "autofs",
"maj:min": "0:33",
"options": "rw,relatime,fd=38,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=5489",
"children": [
{
"source": "binfmt_misc",
"target": "/proc/sys/fs/binfmt_misc",
"fstype": "binfmt_misc",
"maj:min": "0:42",
"options": "rw,nosuid,nodev,noexec,relatime"
}
]
}
]
},
{
"source": "tmpfs",
"target": "/run",
"fstype": "tmpfs",
"maj:min": "0:26",
"options": "rw,nosuid,nodev,size=797732k,nr_inodes=819200,mode=755,inode64",
"children": [
{
"source": "none",
"target": "/run/credentials/systemd-journald.service",
"fstype": "tmpfs",
"maj:min": "0:35",
"options": "ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,inode64,noswap"
},
{
"source": "tmpfs",
"target": "/run/user/1000",
"fstype": "tmpfs",
"maj:min": "0:46",
"options": "rw,nosuid,nodev,relatime,size=398864k,nr_inodes=99716,mode=700,uid=1000,gid=1000,inode64"
},
{
"source": "/dev/sr0",
"target": "/run/initramfs/live",
"fstype": "iso9660",
"maj:min": "11:0",
"options": "ro,relatime,nojoliet,check=s,map=n,blocksize=2048,iocharset=utf8"
},
{
"source": "/dev/loop0",
"target": "/run/rootfsbase",
"fstype": "squashfs",
"maj:min": "7:0",
"options": "ro,relatime,errors=continue"
},
{
"source": "none",
"target": "/run/credentials/getty@tty2.service",
"fstype": "tmpfs",
"maj:min": "0:47",
"options": "ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,inode64,noswap"
},
{
"source": "none",
"target": "/run/credentials/serial-getty@ttyS0.service",
"fstype": "tmpfs",
"maj:min": "0:48",
"options": "ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,inode64,noswap"
}
]
}
]
}
]
}
tests/fixtures/installer-dracut-lsblk.json
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+40
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{
"blockdevices": [
{
"path": "/dev/loop0",
"type": "loop",
"size": 2220142592,
"maj:min": "7:0",
"pkname": null,
"mountpoints": [
"/run/rootfsbase"
]
},
{
"path": "/dev/sr0",
"type": "rom",
"size": 2345107456,
"maj:min": "11:0",
"pkname": null,
"mountpoints": [
"/run/initramfs/live"
]
},
{
"path": "/dev/sr1",
"type": "rom",
"size": 1073741312,
"maj:min": "11:1",
"pkname": null,
"mountpoints": []
},
{
"path": "/dev/vda",
"type": "disk",
"size": 34359738368,
"maj:min": "253:0",
"pkname": null,
"mountpoints": []
}
]
}