142 lines
5.4 KiB
Bash
Executable File
142 lines
5.4 KiB
Bash
Executable File
#!/bin/bash
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# Copyright © 2020 Interplanetary Database Association e.V.,
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# BigchainDB and IPDB software contributors.
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# SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
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# Code is Apache-2.0 and docs are CC-BY-4.0
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set -euo pipefail
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# Cluster vars
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tm_persistent_peers=`printenv TM_PERSISTENT_PEERS`
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tm_validators=`printenv TM_VALIDATORS`
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tm_validator_power=`printenv TM_VALIDATOR_POWER`
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tm_pub_key_access_port=`printenv TM_PUB_KEY_ACCESS_PORT`
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tm_genesis_time=`printenv TM_GENESIS_TIME`
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tm_chain_id=`printenv TM_CHAIN_ID`
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tm_p2p_port=`printenv TM_P2P_PORT`
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# tendermint node vars
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tmhome=`printenv TMHOME`
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tm_proxy_app=`printenv TM_PROXY_APP`
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tm_abci_port=`printenv TM_ABCI_PORT`
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tm_instance_name=`printenv TM_INSTANCE_NAME`
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# Container vars
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RETRIES=0
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CANNOT_INITIATLIZE_INSTANCE='Cannot start instance, if initial validator(s) are unreachable.'
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# sanity check
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if [[ -z "${tm_persistent_peers:?TM_PERSISTENT_PEERS not specified. Exiting!}" || \
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-z "${tm_validators:?TM_VALIDATORS not specified. Exiting!}" || \
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-z "${tm_validator_power:?TM_VALIDATOR_POWER not specified. Exiting!}" || \
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-z "${tm_pub_key_access_port:?TM_PUB_KEY_ACCESS_PORT not specified. Exiting!}" || \
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-z "${tm_genesis_time:?TM_GENESIS_TIME not specified. Exiting!}" || \
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-z "${tm_chain_id:?TM_CHAIN_ID not specified. Exiting!}" || \
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-z "${tmhome:?TMHOME not specified. Exiting!}" || \
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-z "${tm_p2p_port:?TM_P2P_PORT not specified. Exiting!}" || \
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-z "${tm_abci_port:?TM_ABCI_PORT not specified. Exiting! }" || \
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-z "${tm_instance_name:?TM_INSTANCE_NAME not specified. Exiting! }" ]]; then
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echo "Missing required enviroment variables."
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exit 1
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else
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echo tm_persistent_peers="$TM_PERSISTENT_PEERS"
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echo tm_validators="$TM_VALIDATORS"
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echo tm_validator_power="$TM_VALIDATOR_POWER"
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echo tm_pub_key_access_port="$TM_PUB_KEY_ACCESS_PORT"
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echo tm_genesis_time="$TM_GENESIS_TIME"
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echo tm_chain_id="$TM_CHAIN_ID"
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echo tmhome="$TMHOME"
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echo tm_p2p_port="$TM_P2P_PORT"
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echo tm_abci_port="$TM_ABCI_PORT"
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echo tm_instance_name="$TM_INSTANCE_NAME"
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fi
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# copy template
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mkdir -p /tendermint/config
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cp /etc/tendermint/genesis.json /tendermint/config/genesis.json
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TM_GENESIS_FILE=/tendermint/config/genesis.json
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TM_PUB_KEY_DIR=/tendermint_node_data
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# configure the nginx.conf file with env variables
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sed -i "s|TM_GENESIS_TIME|\"${tm_genesis_time}\"|g" ${TM_GENESIS_FILE}
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sed -i "s|TM_CHAIN_ID|\"${tm_chain_id}\"|g" ${TM_GENESIS_FILE}
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if [ ! -f /tendermint/config/priv_validator.json ]; then
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tendermint gen_validator > /tendermint/config/priv_validator.json
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# pub_key.json will be served by the nginx container
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cat /tendermint/config/priv_validator.json
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cat /tendermint/config/priv_validator.json \
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| jq ".Key.pub_key" > "$TM_PUB_KEY_DIR"/pub_key.json
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fi
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if [ ! -f /tendermint/config/node_key.json ]; then
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tendermint gen_node_key > "$TM_PUB_KEY_DIR"/address
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fi
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# fill genesis file with validators
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IFS=',' read -ra VALS_ARR <<< "$TM_VALIDATORS"
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IFS=',' read -ra VAL_POWERS_ARR <<< "$TM_VALIDATOR_POWER"
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if [ ${#VALS_ARR[@]} -ne ${#VAL_POWERS_ARR[@]} ]; then
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echo "Invalid configuration of Validator(s) and Validator Power(s)"
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exit 1
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fi
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for i in "${!VALS_ARR[@]}"; do
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# wait until validator generates priv/pub key pair
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set +e
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echo Validator: "${VALS_ARR[$i]}"
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echo Validator Power: "${VAL_POWERS_ARR[$i]}"
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echo "http://${VALS_ARR[$i]}:$tm_pub_key_access_port/pub_key.json"
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curl -s --fail "http://${VALS_ARR[$i]}:$tm_pub_key_access_port/pub_key.json" > /dev/null
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ERR=$?
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while [ "$ERR" != 0 ]; do
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RETRIES=$((RETRIES+1))
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if [ $RETRIES -eq 10 ]; then
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echo "${CANNOT_INITIATLIZE_INSTANCE}"
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exit 1
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fi
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# 300(30 * 10(retries)) second timeout before container dies if it cannot find initial peers
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sleep 30
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curl -s --fail "http://${VALS_ARR[$i]}:$tm_pub_key_access_port/pub_key.json" > /dev/null
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ERR=$?
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echo "Cannot get public key for Tendermint instance: ${VALS_ARR[$i]}"
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done
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set -e
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# add validator to genesis file along with its pub_key
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curl -s "http://${VALS_ARR[$i]}:$tm_pub_key_access_port/pub_key.json" | jq ". as \$k | {pub_key: \$k, power: \"${VAL_POWERS_ARR[$i]}\", name: \"${VALS_ARR[$i]}\"}" > pub_validator.json
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cat /tendermint/config/genesis.json \
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| jq ".validators |= .+ [$(cat pub_validator.json)]" > tmpgenesis \
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&& mv tmpgenesis /tendermint/config/genesis.json
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rm pub_validator.json
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done
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# construct persistent peers
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IFS=',' read -ra PEERS_ARR <<< "$tm_persistent_peers"
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peers=()
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for s in "${PEERS_ARR[@]}"; do
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echo "http://$s:$tm_pub_key_access_port/address"
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curl -s --fail "http://$s:$tm_pub_key_access_port/address" > /dev/null
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ERR=$?
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while [ "$ERR" != 0 ]; do
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RETRIES=$((RETRIES+1))
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if [ $RETRIES -eq 10 ]; then
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echo "${CANNOT_INITIATLIZE_INSTANCE}"
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exit 1
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fi
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# 300(30 * 10(retries)) second timeout before container dies if it cannot find initial peers
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sleep 30
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curl -s --fail "http://$s:$tm_pub_key_access_port/address" > /dev/null
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ERR=$?
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echo "Cannot get address for Tendermint instance: ${s}"
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done
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peer_addr=$(curl -s "http://$s:$tm_pub_key_access_port/address")
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peers+=("$peer_addr@$s:$tm_p2p_port")
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done
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peers=$(IFS=','; echo "${peers[*]}")
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# start nginx
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echo "INFO: starting tendermint..."
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exec tendermint node --p2p.persistent_peers="$peers" --moniker="$tm_instance_name" --proxy_app="tcp://$tm_proxy_app:$tm_abci_port" --consensus.create_empty_blocks=false --p2p.pex=false
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