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ec99cc2865
This also enables built-in backup, so the caveat about starting new pods no longer applies.
69 lines
2.2 KiB
Bash
Executable File
69 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2015 The Kubernetes Authors All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This is an example script that creates a vttablet deployment.
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set -e
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script_root=`dirname "${BASH_SOURCE}"`
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source $script_root/env.sh
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# Create the pods for shard-0
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CELLS=${CELLS:-'test'}
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keyspace='test_keyspace'
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SHARDS=${SHARDS:-'0'}
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TABLETS_PER_SHARD=${TABLETS_PER_SHARD:-5}
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port=15002
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grpc_port=16002
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UID_BASE=${UID_BASE:-100}
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VTTABLET_TEMPLATE=${VTTABLET_TEMPLATE:-'vttablet-pod-template.yaml'}
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RDONLY_COUNT=${RDONLY_COUNT:-2}
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uid_base=$UID_BASE
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for shard in $(echo $SHARDS | tr "," " "); do
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cell_index=0
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for cell in `echo $CELLS | tr ',' ' '`; do
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echo "Creating $keyspace.shard-$shard pods in cell $CELL..."
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for uid_index in `seq 0 $(($TABLETS_PER_SHARD-1))`; do
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uid=$[$uid_base + $uid_index + $cell_index]
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printf -v alias '%s-%010d' $cell $uid
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printf -v tablet_subdir 'vt_%010d' $uid
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echo "Creating pod for tablet $alias..."
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# Add xx to beginning or end if there is a dash. K8s does not allow for
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# leading or trailing dashes for labels
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shard_label=`echo $shard | sed s'/[-]$/-xx/' | sed s'/^-/xx-/'`
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tablet_type=replica
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if [ $uid_index -gt $(($TABLETS_PER_SHARD-$RDONLY_COUNT-1)) ]; then
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tablet_type=rdonly
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fi
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# Expand template variables
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sed_script=""
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for var in alias cell uid keyspace shard shard_label port grpc_port tablet_subdir tablet_type backup_flags; do
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sed_script+="s,{{$var}},${!var},g;"
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done
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# Instantiate template and send to kubectl.
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cat $VTTABLET_TEMPLATE | sed -e "$sed_script" | $KUBECTL create -f -
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done
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let cell_index=cell_index+100000000
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done
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let uid_base=uid_base+100
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done
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