[Compass-ci] Re: [PATCH v2 compass-ci 1/2] doc: add job/os_mount.md

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+++ b/doc/job/os_mount.md @@ -0,0 +1,62 @@ +# Summary +=========

+`os_mount` defines the mount method of tbox's root partition.

tbox => testbox keep the same with the real field.

ok.

-------- Thanks Yu Chuan

Thanks, Xueliang

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+It has the following optional values:

• • nfs
• • cifs
• • initramfs
• • container
• • local

+Usage example:

• • submit iperf.yaml testbox=vm-2p8g os_mount=nfs
• • submit iperf.yaml testbox=vm-2p8g os_mount=cifs
• • submit iperf.yaml testbox=vm-2p8g os_mount=initramfs
• • submit iperf.yaml testbox=dc-8g os_mount=container
• • submit iperf.yaml testbox=vm-2p8g os_mount=local

+# Optional Values +=================

+## Work flow when os_mount=local

+1. user submit job with os_mount: local

• optional kernel cmdline params: # can be added in kernel_append_root field of job.yaml
• • keep_last_root: keep the original data of disk what last job generated, don't wipe it

+2. scheduler return the ipxe_str to tbox

• dhcp
• initrd http://$%7Bhttp_server_ip%7D:$%7Bhttp_server_port%7D/os/openeuler/aarch64/20...
• initrd http://$%7Bhttp_server_ip%7D:$%7Bhttp_server_port%7D/os/openeuler/aarch64/20...
• imgargs vmlinux root=/dev/mapper/os-openeuler_aarch64_20.03 rootfs_src={nfs_server_ip}:os/openeuler/aarch64/20.03-iso-snapshots/{timestamp} initrd=initrd.lkp {kernel_append_root}
• boot

+3. boot

• • check if `/dev/mapper/os-openeuler_aarch64_20.03_{timestamp}` exist # according the kernel cmdline
• • if exist:
• • if `keep_last_root` not in kernel cmdline params:

•  - re-create(lvremove and lvcreate) rw logical volume /dev/mapper/os-openeuler_aarch64_20.03 from /dev/mapper/os-openeuler_aarch64_20.03_{timestamp}
  

•  - boot from /dev/mapper/os-openeuler_aarch64_20.03
  

• • if `keep_last_root` in kernel cmdline params:

•  - if /dev/mapper/os-openeuler_aarch64_20.03 exists:
  

•    - boot from /dev/mapper/os-openeuler_aarch64_20.03
  

•  - if /dev/mapper/os-openeuler_aarch64_20.03 not exists:
  

•    - generate /dev/mapper/os-openeuler_aarch64_20.03 from /dev/mapper/os-openeuler_aarch64_20.03-{timestamp}
  

• • boot from /dev/mapper/os-openeuler_aarch64_20.03
• • if not exist:
• mount -t nfs {nfs_server_ip}:os/openeuler/aarch64/20.03-iso-snapshots/{timestamp} /mnt
• create /dev/mapper/os-openeuler_aarch64_20.03_{timestamp} according rootfs_disk. # logical volume size: 10G
• mkdir /mnt1, mount /dev/mapper/os-openeuler_aarch64_20.03_{timestamp} /mnt1
• rsync -az /mnt/. /mnt1/
• umount /mnt /mnt1
• lvchange -p r /dev/mapper/os-openeuler_aarch64_20.03_{timestamp}
• creat rw logical volume /dev/mapper/os-openeuler_aarch64_20.03 from /dev/mapper/os-openeuler_aarch64_20.03_{timestamp}
• boot from /dev/mapper/os-openeuler_aarch64_20.03

+4. execute the job

2.23.0