qemu/bin : diskpath, sockpath -> pathof
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6 changed files with 43 additions and 39 deletions
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@ -50,8 +50,7 @@ need it
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- `coreutils` - used for basic OS operations
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- `sudo` - execute commands as `qemu`
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- `socat` - monitor machines via Unix sockets
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- `diskpath` and `sockpath` - see [Installation
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instructions](#installation-instructions)
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- `pathof` - see [Installation instructions](#installation-instructions)
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- any text editor - used for builtin function to edit launching scripts
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## Installation instructions
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@ -66,7 +66,7 @@ public_start() {
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QEMUSH_NAME="$1"
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set -- "$@" \
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-monitor "unix:$(sockpath),server,nowait" \
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-monitor "unix:$(pathof socket),server,nowait" \
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-daemonize
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if ! "$@"; then
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perror "error launching virtual machine \"${QEMUSH_NAME}\""
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@ -80,7 +80,7 @@ public_attach() {
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QEMUSH_NAME="$1"
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shift
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exec socat -,echo=0,icanon=0 "UNIX-CONNECT:$(sockpath)"
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exec socat -,echo=0,icanon=0 "UNIX-CONNECT:$(pathof socket)"
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}
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# List running virtual machines
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@ -103,14 +103,14 @@ public_ls() {
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public_diskadd() {
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QEMUSH_NAME="$1"
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shift
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exec qemu-img create -f qcow2 "$(diskpath)" "$1"
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exec qemu-img create -f qcow2 "$(pathof disk)" "$1"
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}
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# Delete a disk
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public_diskrm() {
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for disk in "$@"; do
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QEMUSH_NAME="$disk"
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rm -vi -- "$(diskpath)"
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rm -vi -- "$(pathof disk)"
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done
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}
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@ -1,16 +0,0 @@
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#!/bin/sh -e
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# Invoked on termination if the last command failed
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error() { >&2 echo "$(basename "$0"): failed"; }
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# Trap errors
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trap error EXIT
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# Assert that the QEMUSH_NAME variable is not null
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[ -n "$QEMUSH_NAME" ]
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# Release the trap
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trap - EXIT
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# Print the actual string
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printf %s/%s.qcow2\\n ~/disks "$QEMUSH_NAME"
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37
qemu/bin/pathof
Executable file
37
qemu/bin/pathof
Executable file
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@ -0,0 +1,37 @@
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#!/bin/sh -e
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# Invoked on termination if the last command failed
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error() { >&2 echo "$(basename "$0"): ${*}"; }
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error_envvar() { error "missing environment variable QEMUSH_NAME"; }
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error_arg() { error "invalid argument \"${*}\""; }
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# Assert that the QEMUSH_NAME variable is not null
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trap error_envvar EXIT
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[ -n "$QEMUSH_NAME" ]
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# Determine the base dir to use
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trap 'error_arg "$*"' EXIT
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case "$1" in
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disk)
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basedir=disks
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extension=qcow2
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;;
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socket)
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basedir=sockets
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;;
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spice)
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basedir=spice
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extension=sock
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;;
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*)
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false
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;;
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esac
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# Release the trap
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trap - EXIT
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# Print the actual string
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basedir="${HOME}/${basedir}"
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[ -n "$extension" ] && extension=".${extension}"
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printf %s/%s%s\\n "$basedir" "$QEMUSH_NAME" "$extension"
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@ -1,16 +0,0 @@
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#!/bin/sh -e
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# Invoked on termination if the last command failed
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error() { >&2 echo "$(basename "$0"): failed"; }
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# Trap errors
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trap error EXIT
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# Assert that the QEMUSH_NAME variable is not null
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[ -n "$QEMUSH_NAME" ]
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# Release the trap
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trap - EXIT
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# Print the actual string
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printf %s/%s ~/sockets "$QEMUSH_NAME"
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@ -7,7 +7,7 @@ export QEMUSH_RAM=4G
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# Launch the virtual machine
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exec kvm-spice \
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-drive file="$(diskpath)",if=virtio \
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-drive file="$(pathof disk)",if=virtio \
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-net user,hostname="${QEMUSH_NAME}" \
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-usbdevice tablet \
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-name "$QEMUSH_NAME" \
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