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Fix remaining bugs in example scripts

This commit is contained in:
Joshua Boniface 2022-10-05 22:37:11 -04:00
parent fe17d28385
commit 1e0b502250
2 changed files with 37 additions and 29 deletions
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9
api-daemon/provisioner/examples/1-noinstall.py
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@ -116,7 +116,7 @@
# } # }
from pvcapi.vmbuilder import VMBuilder from pvcapi.vmbuilder import VMBuilder, ProvisioningError
class VMBuilderScript(VMBuilder): class VMBuilderScript(VMBuilder):
@ -256,6 +256,7 @@ class VMBuilderScript(VMBuilder):
""" """
# Run any imports first # Run any imports first
import os
from pvcapid.vmbuilder import open_zk from pvcapid.vmbuilder import open_zk
from pvcapid.Daemon import config from pvcapid.Daemon import config
import daemon_lib.common as pvc_common import daemon_lib.common as pvc_common
@ -346,7 +347,7 @@ class VMBuilderScript(VMBuilder):
# Create a temporary directory to use during install # Create a temporary directory to use during install
temp_dir = "/tmp/target" temp_dir = "/tmp/target"
if not os.exists(temp_dir): if not os.path.isdir(temp_dir):
os.mkdir(temp_dir) os.mkdir(temp_dir)
# Fourth loop: Mount the volumes to a set of temporary directories # Fourth loop: Mount the volumes to a set of temporary directories
@ -364,7 +365,7 @@ class VMBuilderScript(VMBuilder):
mount_path = f"{temp_dir}/{volume['mountpoint']}" mount_path = f"{temp_dir}/{volume['mountpoint']}"
if not os.exists(mount_path): if not os.path.isdir(mount_path):
os.mkdir(mount_path) os.mkdir(mount_path)
# Mount filesystem # Mount filesystem
@ -401,6 +402,8 @@ class VMBuilderScript(VMBuilder):
""" """
# Run any imports first # Run any imports first
from pvcapid.vmbuilder import open_zk
from pvcapid.Daemon import config
import daemon_lib.common as pvc_common import daemon_lib.common as pvc_common
import daemon_lib.ceph as pvc_ceph import daemon_lib.ceph as pvc_ceph

57
api-daemon/provisioner/examples/2-debootstrap.py
View File

@ -116,7 +116,7 @@
# } # }
from pvcapid.vmbuilder import VMBuilder from pvcapid.vmbuilder import VMBuilder, ProvisioningError
class VMBuilderScript(VMBuilder): class VMBuilderScript(VMBuilder):
@ -260,6 +260,7 @@ class VMBuilderScript(VMBuilder):
""" """
# Run any imports first # Run any imports first
import os
from pvcapid.vmbuilder import open_zk from pvcapid.vmbuilder import open_zk
from pvcapid.Daemon import config from pvcapid.Daemon import config
import daemon_lib.common as pvc_common import daemon_lib.common as pvc_common
@ -350,7 +351,8 @@ class VMBuilderScript(VMBuilder):
# Create a temporary directory to use during install # Create a temporary directory to use during install
temp_dir = "/tmp/target" temp_dir = "/tmp/target"
if not os.exists(temp_dir):
if not os.path.isdir(temp_dir):
os.mkdir(temp_dir) os.mkdir(temp_dir)
# Fourth loop: Mount the volumes to a set of temporary directories # Fourth loop: Mount the volumes to a set of temporary directories
@ -368,7 +370,7 @@ class VMBuilderScript(VMBuilder):
mount_path = f"{temp_dir}/{volume['mountpoint']}" mount_path = f"{temp_dir}/{volume['mountpoint']}"
if not os.exists(mount_path): if not os.path.isdir(mount_path):
os.mkdir(mount_path) os.mkdir(mount_path)
# Mount filesystem # Mount filesystem
@ -389,6 +391,7 @@ class VMBuilderScript(VMBuilder):
""" """
# Run any imports first # Run any imports first
import os
from pvcapid.vmbuilder import chroot from pvcapid.vmbuilder import chroot
# The directory we mounted things on earlier during prepare() # The directory we mounted things on earlier during prepare()
@ -396,7 +399,7 @@ class VMBuilderScript(VMBuilder):
# Use these convenient aliases for later (avoiding lots of "self.vm_data" everywhere) # Use these convenient aliases for later (avoiding lots of "self.vm_data" everywhere)
vm_name = self.vm_name vm_name = self.vm_name
disks = self.vm_data["disks"] volumes = self.vm_data["volumes"]
networks = self.vm_data["networks"] networks = self.vm_data["networks"]
# Parse these arguments out of self.vm_data["script_arguments"] # Parse these arguments out of self.vm_data["script_arguments"]
@ -425,11 +428,11 @@ class VMBuilderScript(VMBuilder):
# We need to know our root disk # We need to know our root disk
root_disk = None root_disk = None
for disk in disks: for volume in volumes:
if disk["mountpoint"] == "/": if volume["mountpoint"] == "/":
root_disk = disk root_volume = volume
if not root_disk: if not root_volume:
raise ProvisioningError("Failed to find root disk in disks list") raise ProvisioningError("Failed to find root volume in volumes list")
# Perform a deboostrap installation # Perform a deboostrap installation
os.system( os.system(
@ -444,25 +447,25 @@ class VMBuilderScript(VMBuilder):
# Bind mount the devfs # Bind mount the devfs
os.system("mount --bind /dev {}/dev".format(temporary_directory)) os.system("mount --bind /dev {}/dev".format(temporary_directory))
# Create an fstab entry for each disk # Create an fstab entry for each volume
fstab_file = "{}/etc/fstab".format(temporary_directory) fstab_file = "{}/etc/fstab".format(temporary_directory)
# The disk ID starts at zero and increments by one for each disk in the fixed-order # The volume ID starts at zero and increments by one for each volume in the fixed-order
# disk list. This lets us work around the insanity of Libvirt IDs not matching guest IDs, # volume list. This lets us work around the insanity of Libvirt IDs not matching guest IDs,
# while still letting us have some semblance of control here without enforcing things # while still letting us have some semblance of control here without enforcing things
# like labels. It increments in the for loop below at the end of each iteration, and is # like labels. It increments in the for loop below at the end of each iteration, and is
# used to craft a /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-X device ID # used to craft a /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-X device ID
# which will always match the correct order from Libvirt (unlike sdX/vdX names). # which will always match the correct order from Libvirt (unlike sdX/vdX names).
disk_id = 0 volume_id = 0
for disk in disks: for volume in volumes:
# We assume SSD-based/-like storage, and dislike atimes # We assume SSD-based/-like storage, and dislike atimes
options = "defaults,discard,noatime,nodiratime" options = "defaults,discard,noatime,nodiratime"
# The root, var, and log volumes have specific values # The root, var, and log volumes have specific values
if disk["mountpoint"] == "/": if volume["mountpoint"] == "/":
root_disk["scsi_id"] = disk_id root_volume["scsi_id"] = volume_id
dump = 0 dump = 0
cpass = 1 cpass = 1
elif disk["mountpoint"] == "/var" or disk["mountpoint"] == "/var/log": elif volume["mountpoint"] == "/var" or volume["mountpoint"] == "/var/log":
dump = 0 dump = 0
cpass = 2 cpass = 2
else: else:
@ -471,18 +474,18 @@ class VMBuilderScript(VMBuilder):
# Append the fstab line # Append the fstab line
with open(fstab_file, "a") as fh: with open(fstab_file, "a") as fh:
data = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-{disk} {mountpoint} {filesystem} {options} {dump} {cpass}\n".format( data = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-{volume} {mountpoint} {filesystem} {options} {dump} {cpass}\n".format(
disk=disk_id, volume=volume_id,
mountpoint=disk["mountpoint"], mountpoint=volume["mountpoint"],
filesystem=disk["filesystem"], filesystem=volume["filesystem"],
options=options, options=options,
dump=dump, dump=dump,
cpass=cpass, cpass=cpass,
) )
fh.write(data) fh.write(data)
# Increment the disk_id # Increment the volume_id
disk_id += 1 volume_id += 1
# Write the hostname # Write the hostname
hostname_file = "{}/etc/hostname".format(temporary_directory) hostname_file = "{}/etc/hostname".format(temporary_directory)
@ -545,13 +548,13 @@ interface "ens2" {
GRUB_DEFAULT=0 GRUB_DEFAULT=0
GRUB_TIMEOUT=1 GRUB_TIMEOUT=1
GRUB_DISTRIBUTOR="PVC Virtual Machine" GRUB_DISTRIBUTOR="PVC Virtual Machine"
GRUB_CMDLINE_LINUX_DEFAULT="root=/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-{root_disk} console=tty0 console=ttyS0,115200n8" GRUB_CMDLINE_LINUX_DEFAULT="root=/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-{root_volume} console=tty0 console=ttyS0,115200n8"
GRUB_CMDLINE_LINUX="" GRUB_CMDLINE_LINUX=""
GRUB_TERMINAL=console GRUB_TERMINAL=console
GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1" GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
GRUB_DISABLE_LINUX_UUID=false GRUB_DISABLE_LINUX_UUID=false
""".format( """.format(
root_disk=root_disk["scsi_id"] root_volume=root_volume["scsi_id"]
) )
fh.write(data) fh.write(data)
@ -560,7 +563,7 @@ GRUB_DISABLE_LINUX_UUID=false
# Install and update GRUB # Install and update GRUB
os.system( os.system(
"grub-install --force /dev/rbd/{}/{}_{}".format( "grub-install --force /dev/rbd/{}/{}_{}".format(
root_disk["pool"], vm_name, root_disk["disk_id"] root_volume["pool"], vm_name, root_volume["disk_id"]
) )
) )
os.system("update-grub") os.system("update-grub")
@ -584,6 +587,8 @@ GRUB_DISABLE_LINUX_UUID=false
""" """
# Run any imports first # Run any imports first
from pvcapid.vmbuilder import open_zk
from pvcapid.Daemon import config
import daemon_lib.common as pvc_common import daemon_lib.common as pvc_common
import daemon_lib.ceph as pvc_ceph import daemon_lib.ceph as pvc_ceph