KAFKA to RAFT Migration Error
This error occur when i try to update channel configuration to normal mode to maintenance mode and idea why this error occur
Follow are the commend which are used to sign and update the channel.
- # peer channel join -b ./channel-artifacts/$CHANNEL_NAME.block
# peer channel create -o orderer0.dxb.com:7050 -c avanzachannel --ordererTLSHostnameOverride orderer0.dxb.com -f channel-artifacts/channel.tx --outputBlock channel-artifacts/${CHANNEL_NAME}.block --tls $CORE_PEER_TLS_ENABLED --cafile $ORDERER_CA
export all needed env vars
export ORDERER_CA=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/dxb.com/orderers/orderer0.dxb.com/msp/tlscacerts/tlsca.dxb.com-cert.pem
export CHANNEL_NAME=avanzachannel # make sure channel name is correct
change work directories
mkdir maintenance_on_$CHANNEL_NAME && cd maintenance_on_$CHANNEL_NAME
fetch current channel config
peer channel fetch config config_block.pb -o orderer0.dxb.com:7050 -c first-system-channel --tls --cafile $ORDERER_CA
decode fetched channel config
configtxlator proto_decode --input config_block.pb --type common.Block --output config_block.json
jq .data.data[0].payload.data.config config_block.json > config.json
save old config, to calculate delta in the future
cp config.json config_mod.json
cat config.json | grep name
set maintenance mode in configs
sed -i 's/NORMAL/MAINTENANCE/g' config_mod.json
encode old config to protopuf
configtxlator proto_encode --input config.json --type common.Config --output config.pb
encode new config to protopuf
configtxlator proto_encode --input config_mod.json --type common.Config --output modified_config.pb
compute delta between configs
configtxlator compute_update --channel_id $CHANNEL_NAME --original config.pb --updated modified_config.pb --output config_update.pb
decode delta config
configtxlator proto_decode --input config_update.pb --type common.ConfigUpdate | jq . > config_update.json
wrap delta config with a header
echo '{"payload":{"header":{"channel_header":{"channel_id":"avanzachannel", "type":2}},"data":{"config_update":'$(cat config_update.json)'}}}' | jq . > config_update_envelope.json
encode wrapped config to protopuf
configtxlator proto_encode --input config_update_envelope.json --type common.Envelope --output config_update_in_envelope.pb
sign channel update config
export CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/dxb.com/msp
export CORE_PEER_LOCALMSPID=OrdererMSP
peer channel signconfigtx -f config_update_in_envelope.pb
export all needed env vars
export CORE_PEER_LOCALMSPID="OrdererMSP"
export CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/tls/ca.crt
export CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/users/Admin@example.com/msp/
export CORE_PEER_ADDRESS=peer0.org1.example.com:7051
submit new channel config
peer channel update -f config_update_in_envelope.pb -c $CHANNEL_NAME -o orderer0.dxb.com:7050 --tls --cafile $ORDERER_CA
Comments
-
Hello, Sorry you are experiencing difficultly . The process of migrating from KAFKA to RAFT is not part of the LFD272 course. You can find reference material if you follow : https://hyperledger-fabric.readthedocs.io/en/release-2.2/kafka_raft_migration.html
Let me know if this helps or if you require additional assistance.
Bobbi
Ledger Academy0
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