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$ crushtool -i "$TESTDIR/simple.template" --add-item 0 1.0 device0 --loc host host0 --loc cluster cluster0 -o one > /dev/null
$ crushtool -i one --add-item 1 1.0 device1 --loc host host0 --loc cluster cluster0 -o two > /dev/null
$ crushtool -i two --create-simple-rule simple-rule cluster0 host firstn -o two > /dev/null
$ crushtool -d two
# begin crush map
# devices
device 0 device0
device 1 device1
# types
type 0 device
type 1 host
type 2 cluster
# buckets
host host0 {
\tid -2\t\t# do not change unnecessarily (esc)
\t# weight 2.000 (esc)
\talg straw (esc)
\thash 0\t# rjenkins1 (esc)
\titem device0 weight 1.000 (esc)
\titem device1 weight 1.000 (esc)
}
cluster cluster0 {
\tid -1\t\t# do not change unnecessarily (esc)
\t# weight 2.000 (esc)
\talg straw (esc)
\thash 0\t# rjenkins1 (esc)
\titem host0 weight 2.000 (esc)
}
# rules
rule data {
\tid 0 (esc)
\ttype replicated (esc)
\tmin_size 1 (esc)
\tmax_size 10 (esc)
\tstep take cluster0 (esc)
\tstep chooseleaf firstn 0 type host (esc)
\tstep emit (esc)
}
rule metadata {
\tid 1 (esc)
\ttype replicated (esc)
\tmin_size 1 (esc)
\tmax_size 10 (esc)
\tstep take cluster0 (esc)
\tstep chooseleaf firstn 0 type host (esc)
\tstep emit (esc)
}
rule rbd {
\tid 2 (esc)
\ttype replicated (esc)
\tmin_size 1 (esc)
\tmax_size 10 (esc)
\tstep take cluster0 (esc)
\tstep chooseleaf firstn 0 type host (esc)
\tstep emit (esc)
}
rule simple-rule {
\tid 3 (esc)
\ttype replicated (esc)
\tmin_size 1 (esc)
\tmax_size 10 (esc)
\tstep take cluster0 (esc)
\tstep chooseleaf firstn 0 type host (esc)
\tstep emit (esc)
}
# end crush map
$ crushtool -i two --remove-rule simple-rule -o two > /dev/null
$ crushtool -d two
# begin crush map
# devices
device 0 device0
device 1 device1
# types
type 0 device
type 1 host
type 2 cluster
# buckets
host host0 {
\tid -2\t\t# do not change unnecessarily (esc)
\t# weight 2.000 (esc)
\talg straw (esc)
\thash 0\t# rjenkins1 (esc)
\titem device0 weight 1.000 (esc)
\titem device1 weight 1.000 (esc)
}
cluster cluster0 {
\tid -1\t\t# do not change unnecessarily (esc)
\t# weight 2.000 (esc)
\talg straw (esc)
\thash 0\t# rjenkins1 (esc)
\titem host0 weight 2.000 (esc)
}
# rules
rule data {
\tid 0 (esc)
\ttype replicated (esc)
\tmin_size 1 (esc)
\tmax_size 10 (esc)
\tstep take cluster0 (esc)
\tstep chooseleaf firstn 0 type host (esc)
\tstep emit (esc)
}
rule metadata {
\tid 1 (esc)
\ttype replicated (esc)
\tmin_size 1 (esc)
\tmax_size 10 (esc)
\tstep take cluster0 (esc)
\tstep chooseleaf firstn 0 type host (esc)
\tstep emit (esc)
}
rule rbd {
\tid 2 (esc)
\ttype replicated (esc)
\tmin_size 1 (esc)
\tmax_size 10 (esc)
\tstep take cluster0 (esc)
\tstep chooseleaf firstn 0 type host (esc)
\tstep emit (esc)
}
# end crush map
$ crushtool -d two -o final
$ cmp final "$TESTDIR/simple.template.two"
$ crushtool -i two --add-item 1 1.0 device1 --loc host host0 --loc cluster cluster0 -o three 2>/dev/null >/dev/null || echo FAIL
FAIL
$ crushtool -i two --remove-item device1 -o four > /dev/null
$ crushtool -d four -o final
$ cmp final "$TESTDIR/simple.template.four"
$ crushtool -i two --update-item 1 2.0 osd1 --loc host host1 --loc cluster cluster0 -o five > /dev/null
$ crushtool -d five -o final
$ cmp final "$TESTDIR/simple.template.five"
$ crushtool -i five --update-item 1 2.0 osd1 --loc host host1 --loc cluster cluster0 -o six > /dev/null
$ crushtool -i five --show-location 1
cluster\tcluster0 (esc)
host\thost1 (esc)
$ crushtool -d six -o final
$ cmp final "$TESTDIR/simple.template.five"
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