# create makes exactly what it advertises. exits 0 "create makes a VM" create cr1 64M holds "create makes the disk it advertises" test -f "$VMMDIR/cr1/disk.qcow2" holds "create writes a uuid" test -s "$VMMDIR/cr1/uuid" holds "create writes no configurable primary disk path" \ test -z "$(grep '^IMAGE=' "$VMMDIR/cr1/config" || :)" exits 1 "create refuses an existing VM" create cr1 64M # shellcheck disable=SC2012 # the path is vmm's own and fixed, not user input perm=$(ls -ld "$VMMDIR/cr1" | cut -c1-10) if [ "$perm" = drwx------ ]; then ok "VM directory is 0700" else notok "VM directory is 0700" "got $perm" fi # The directory is the only authentication the monitor has, so every # file in it is 0600. ls is the whole check: awk lists any regular file # or FIFO whose mode is anything else. # shellcheck disable=SC2012 # the names are vmm's own, not user input bad=$(ls -l "$VMMDIR/cr1" | awk '$1 ~ /^[-p]/ && $1 !~ /^[-p]rw-------$/ { print $NF }') if [ -z "$bad" ]; then ok "every file create writes is 0600" else notok "every file create writes is 0600" "$bad" fi # Validation happens before mkdir. Later failures leave their work visible. exits 1 "create refuses a malformed size" create cr2 10GG holds "a refused create leaves nothing behind" test ! -e "$VMMDIR/cr2" exits 1 "create refuses a zero-sized disk" create cr2 0 exits 1 "create refuses a zero with a suffix" create cr2 00G exits 1 "create refuses a leading zero" create cr2 01G exits 1 "create fails when qemu-img refuses the size" create cr3 99999999999999999999G holds "a failed qemu-img leaves an incomplete directory" \ test -d "$VMMDIR/cr3" holds "a failed qemu-img does not commit a config" \ test ! -e "$VMMDIR/cr3/config" # A directory without config is not guessed at or recovered automatically. mkdir "$VMMDIR/cr4" printf 'partial\n' > "$VMMDIR/cr4/junk" exits 1 "create refuses an incomplete directory" create cr4 64M holds "an incomplete directory remains untouched" \ test -f "$VMMDIR/cr4/junk" unlink "$VMMDIR/cr4/junk" rmdir "$VMMDIR/cr4"