peer node unable to create chaincode container - dial unix /host/var/run/docker.sock: connect: permission denied error

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peer node unable to create chaincode container - dial unix /host/var/run/docker.sock: connect: permission denied error



I am trying to setup hyperledger network on centos



Using 1.1.0 images from ibmblockchain docker hub.



I am able to start up the network without any issues. that is 1 orderer, 3 kafkas, 3 zookeepers and 2 peers.



But every time i try to instantiate chaincode, I see the below error in the peer docker containers. Can anyone help me with this issue.



2018-07-19 19:05:30.570 UTC [dockercontroller] Start -> ERRO 3ac start-could not recreate container , because of Post http://unix.sock/containers/create?name=dev-peer1.bns-250A-v1.0.2-b3: dial unix /host/var/run/docker.sock: connect: permission denied
2018-07-19 19:05:30.570 UTC [container] unlockContainer -> DEBU 3ad container lock deleted(dev-peer1.bns-250A-v1.0.2-b3)
2018-07-19 19:05:30.570 UTC [chaincode] launchAndWaitForRegister -> DEBU 3ae stopping due to error while launching: Post http://unix.sock/containers/create?name=dev-peer1-chaincode1-v1.0.2-b3: dial unix /host/var/run/docker.sock: connect: permission denied
error starting container.



Thank you.




2 Answers
2



the problem is a permission issue with /var/run/docker.sock



Check your /var/run/docker.sock permission



ls -l /var/run/docker.sock will let u know if you have the correct permission



sudo chmod 666 /var/run/socker.sock should give it correct rw access



I was able to fix this by adding Username, UserID and GroupID permissions to the docker run command.



Ex:



peer0.org1.example.com:
container_name: peer0.org1.example.com
image: ibmblockchain/fabric-peer-$ARCH:1.1.0
environment:
- CORE_LOGGING_LEVEL=debug
- CORE_CHAINCODE_LOGGING_LEVEL=DEBUG
- CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
- CORE_PEER_ID=peer0.org1.example.com
- CORE_PEER_ADDRESS=peer0.org1.example.com:7051
- CORE_VM_DOCKER_HOSTCONFIG_NETWORKMODE=composer_default
- CORE_PEER_LOCALMSPID=Org1MSP
- CORE_PEER_MSPCONFIGPATH=/etc/hyperledger/peer/msp
- CORE_LEDGER_STATE_STATEDATABASE=CouchDB
- CORE_LEDGER_STATE_COUCHDBCONFIG_COUCHDBADDRESS=couchdb:5984
- USERNAME=(your userid)
- USER_ID=1000
- GROUP_ID=999



This is mentioned as the solution in ibmblockchain github repo :
https://github.com/IBM-Blockchain/ibm-blockchain-issues/issues/125






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