User:Dzahn/swift-add
From Wikitech
< User:Dzahn(Difference between revisions)
(temp paste) |
(some tweaks) |
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| Line 1: | Line 1: | ||
| − | < | + | <syntaxhighlight lang="bash"> |
#!/bin/bash | #!/bin/bash | ||
# add devices (drives) to swift rings | # add devices (drives) to swift rings | ||
| Line 5: | Line 5: | ||
# dzahn - 20120307 | # dzahn - 20120307 | ||
| − | declare -a devices=({c..l}) | + | |
| + | DRY_RUN=1 | ||
| + | |||
| + | # uncomment set -x to watch what's executed as it runs | ||
| + | #set -x | ||
| + | |||
| + | declare -a devices=({c..l}) #(upper bound is letter l not # 1!) | ||
declare -a rings=( account container object) | declare -a rings=( account container object) | ||
read -p "Which zone to add to?" zone | read -p "Which zone to add to?" zone | ||
# zone=5 | # zone=5 | ||
| − | read -p "Weight to use? (100 for 2TB drives)" weight | + | read -p "Weight to use? (100 for 2TB drives; scale up or down linearly)" weight |
# weight=100 | # weight=100 | ||
| − | myIP=$(ip | + | myIP="$(ip addr show eth0 | awk '/ inet /{split($2,A,"/"); print A[1]; q}')" |
builder=$(which swift-ring-builder) | builder=$(which swift-ring-builder) | ||
| Line 26: | Line 32: | ||
for device in "${devices[@]}" ; do | for device in "${devices[@]}" ; do | ||
| − | + | cmd=($builder /etc/swift/${ring}.builder add "z${zone}-${myIP}:${myPort}/sd${device}1" "${weight}") | |
| − | + | if [ "${DRY_RUN}" -ge 1 ]; then | |
| + | printf '%s ' "${cmd[@]}" | perl -pe 'chomp;s/\s*$/\n/;' # echo can eat some params; printf is more generic/covers corner cases | ||
| + | else | ||
| + | "${cmd[@]}" | ||
| + | fi | ||
| + | |||
done | done | ||
| − | $builder /etc/swift/${ring}.builder search ${myIP} | + | if [ ! "${DRY_RUN}" -ge 1 ]; then |
| − | + | $builder /etc/swift/${ring}.builder search "${myIP}" | |
| + | $builder /etc/swift/${ring}.builder rebalance | ||
| + | fi | ||
done | done | ||
| − | </ | + | </syntaxhighlight> |
Revision as of 07:19, 7 March 2012
#!/bin/bash # add devices (drives) to swift rings # http://wikitech.wikimedia.org/view/Swift/How_To#Add_a_device_.28drive.29_to_a_ring # dzahn - 20120307 DRY_RUN=1 # uncomment set -x to watch what's executed as it runs #set -x declare -a devices=({c..l}) #(upper bound is letter l not # 1!) declare -a rings=( account container object) read -p "Which zone to add to?" zone # zone=5 read -p "Weight to use? (100 for 2TB drives; scale up or down linearly)" weight # weight=100 myIP="$(ip addr show eth0 | awk '/ inet /{split($2,A,"/"); print A[1]; q}')" builder=$(which swift-ring-builder) for ring in "${rings[@]}" ; do case "$ring" in object) myPort=6000;; container) myPort=6001;; account) myPort=6002;; esac for device in "${devices[@]}" ; do cmd=($builder /etc/swift/${ring}.builder add "z${zone}-${myIP}:${myPort}/sd${device}1" "${weight}") if [ "${DRY_RUN}" -ge 1 ]; then printf '%s ' "${cmd[@]}" | perl -pe 'chomp;s/\s*$/\n/;' # echo can eat some params; printf is more generic/covers corner cases else "${cmd[@]}" fi done if [ ! "${DRY_RUN}" -ge 1 ]; then $builder /etc/swift/${ring}.builder search "${myIP}" $builder /etc/swift/${ring}.builder rebalance fi done
