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69 lines
2.2 KiB
Markdown
69 lines
2.2 KiB
Markdown
---
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functions:
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sudo:
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- code: |
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SCRIPT=script_to_run
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TF=$(mktemp)
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cat > $TF << EOF
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<domain type='kvm'>
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<name>x</name>
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<os>
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<type arch='x86_64'>hvm</type>
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</os>
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<memory unit='KiB'>1</memory>
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<devices>
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<interface type='ethernet'>
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<script path='$SCRIPT'/>
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</interface>
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</devices>
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</domain>
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EOF
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sudo virsh -c qemu:///system create $TF
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virsh -c qemu:///system destroy x
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file-write:
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- description: This requires the user to be in the `libvirt` group to perform privileged file write. If the target directory doesn't exist, `pool-create-as` must be run with the `--build` option. The destination file ownership and permissions can be set in the XML.
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code: |
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LFILE_DIR=/root
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LFILE_NAME=file_to_write
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echo 'data' > data_to_write
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TF=$(mktemp)
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cat > $TF <<EOF
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<volume type='file'>
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<name>y</name>
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<key>$LFILE_DIR/$LFILE_NAME</key>
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<source>
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</source>
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<capacity unit='bytes'>5</capacity>
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<allocation unit='bytes'>4096</allocation>
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<physical unit='bytes'>5</physical>
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<target>
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<path>$LFILE_DIR/$LFILE_NAME</path>
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<format type='raw'/>
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<permissions>
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<mode>0600</mode>
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<owner>0</owner>
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<group>0</group>
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</permissions>
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</target>
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</volume>
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EOF
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virsh -c qemu:///system pool-create-as x dir --target $LFILE_DIR
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virsh -c qemu:///system vol-create --pool x --file $TF
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virsh -c qemu:///system vol-upload --pool x $LFILE_DIR/$LFILE_NAME data_to_write
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virsh -c qemu:///system pool-destroy x
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file-read:
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- description: This requires the user to be in the `libvirt` group to perform privileged file read.
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code: |
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LFILE_DIR=/root
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LFILE_NAME=file_to_read
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SPATH=file_to_save
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virsh -c qemu:///system pool-create-as x dir --target $LFILE_DIR
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virsh -c qemu:///system vol-download --pool x $LFILE_NAME $SPATH
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virsh -c qemu:///system pool-destroy x
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---
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