173 lines
3.9 KiB
Bash
Executable File
173 lines
3.9 KiB
Bash
Executable File
#!/bin/bash -e
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here=$(dirname "$0")
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# shellcheck source=scripts/gcloud.sh
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source "$here"/../scripts/gcloud.sh
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# shellcheck source=net/common.sh
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source "$here"/common.sh
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prefix=testnet-dev-$(whoami | sed -e s/[^a-z0-9].*//)
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validatorNodeCount=
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clientNodeCount=
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imageName="ubuntu-16-04-cuda-9-2-new"
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internalNetwork=false
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zone="us-west1-b"
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usage() {
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exitcode=0
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if [[ -n "$1" ]]; then
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exitcode=1
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echo "Error: $*"
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fi
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cat <<EOF
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usage: $0 [create|config|delete] [common options] [command-specific options]
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Manage a GCE-based testnet
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create - create a new testnet (implies 'config')
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config - configure the testnet and write a config file describing it
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delete - delete the testnet
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common options:
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-p prefix - Optional common prefix for instance names to avoid collisions
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(default: $prefix)
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create-specific options:
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-n number - Number of validator nodes
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-c number - Number of client nodes
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-P - Use GCE internal/private network
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-z - GCP Zone for the nodes (default: $zone)
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-i imageName - Existing image on GCE (default: $imageName)
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config-specific options:
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none
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delete-specific options:
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none
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EOF
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exit $exitcode
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}
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command=$1
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[[ -n $command ]] || usage
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shift
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[[ $command = create || $command = config || $command = delete ]] || usage "Invalid command: $command"
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while getopts "h?p:Pi:n:c:z:" opt; do
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case $opt in
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h | \?)
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usage
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;;
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p)
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prefix=$OPTARG
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;;
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P)
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internalNetwork=true
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;;
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i)
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imageName=$OPTARG
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;;
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n)
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validatorNodeCount=$OPTARG
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;;
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c)
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clientNodeCount=$OPTARG
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;;
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z)
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zone=$OPTARG
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;;
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*)
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usage "Error: unhandled option: $opt"
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;;
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esac
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done
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writeConfigFile() {
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echo "# autogenerated at $(date)" >> "$configFile"
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declare sshPrivateKey="$netConfigDir/id_$prefix"
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rm -rf "$sshPrivateKey"{,.pub}
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(
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set -x
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ssh-keygen -t ecdsa -N '' -f "$sshPrivateKey"
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)
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echo "sshPrivateKey=$sshPrivateKey" >> "$configFile"
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recordInstanceIp() {
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declare name="$1"
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declare publicIp="$3"
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declare privateIp="$4"
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declare arrayName="$6"
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if $internalNetwork; then
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echo "$arrayName+=($privateIp) # $name" >> "$configFile"
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else
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echo "$arrayName+=($publicIp) # $name" >> "$configFile"
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fi
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}
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gcloud_FindInstances "name=$prefix-leader" show
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[[ ${#instances[@]} -eq 1 ]] || {
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echo "Unable to start leader"
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exit 1
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}
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gcloud_FigureRemoteUsername "${instances[0]}"
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echo "sshUsername=$gcloud_username" >> "$configFile"
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gcloud_PrepInstancesForSsh "$gcloud_username" "$sshPrivateKey"
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echo "leaderIp=()" >> "$configFile"
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gcloud_ForEachInstance recordInstanceIp leaderIp
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gcloud_FindInstances "name~^$prefix-validator" show
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[[ ${#instances[@]} -gt 0 ]] || {
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echo "Unable to start validators"
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exit 1
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}
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echo "validatorIpList=()" >> "$configFile"
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gcloud_PrepInstancesForSsh "$gcloud_username" "$sshPrivateKey"
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gcloud_ForEachInstance recordInstanceIp validatorIpList
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echo "clientIpList=()" >> "$configFile"
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gcloud_FindInstances "name~^$prefix-client" show
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if [[ ${#instances[@]} -gt 0 ]]; then
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gcloud_PrepInstancesForSsh "$gcloud_username" "$sshPrivateKey"
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gcloud_ForEachInstance recordInstanceIp clientIpList
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fi
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echo "Wrote $configFile"
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}
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case $command in
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delete)
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gcloud_FindInstances "name~^$prefix-"
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if [[ ${#instances[@]} -eq 0 ]]; then
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echo "No instances found matching '^$prefix-'"
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exit 0
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fi
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gcloud_DeleteInstances
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;;
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create)
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[[ -n $validatorNodeCount ]] || usage "Need number of nodes"
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gcloud_CreateInstances "$prefix-leader" 1 "$zone" "$imageName"
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gcloud_CreateInstances "$prefix-validator" "$validatorNodeCount" "$zone" "$imageName"
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if [[ -n $clientNodeCount ]]; then
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gcloud_CreateInstances "$prefix-client" "$clientNodeCount" "$zone" "$imageName"
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fi
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writeConfigFile
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;;
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config)
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writeConfigFile
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;;
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*)
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usage "Unknown command: $command"
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esac
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