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pascalandy/compose-minio-nas.yml

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compose-minio-nas.yml
# https://docs.min.io/docs/minio-gateway-for-nas.html
# https://gist.github.com/pascalandy/1771c666aab221a9be5ea4bb6dbce70b
version: '3.7'
networks:
ntw_minio:
external: true
secrets:
secret_key:
external: true
access_key:
external: true
services:
minio1:
image: minio/minio:RELEASE.2020-01-25T02-50-51Z
hostname: minio1
volumes:
- /mnt/clusterdata/minio/container/vol:/container/vol
ports:
- "9001:9000"
networks:
- ntw_minio
deploy:
restart_policy:
delay: 10s
max_attempts: 10
window: 60s
placement:
constraints:
- node.labels.minio1==true
command: gateway nas /container/vol
secrets:
- secret_key
- access_key
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
interval: 30s
timeout: 20s
retries: 3
minio2:
image: minio/minio:RELEASE.2020-01-25T02-50-51Z
hostname: minio2
volumes:
- /mnt/clusterdata/minio/container/vol:/container/vol
ports:
- "9002:9000"
networks:
- ntw_minio
deploy:
restart_policy:
delay: 10s
max_attempts: 10
window: 60s
placement:
constraints:
- node.labels.minio2==true
command: gateway nas /container/vol
secrets:
- secret_key
- access_key
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
interval: 30s
timeout: 20s
retries: 3
minio3:
image: minio/minio:RELEASE.2020-01-25T02-50-51Z
hostname: minio3
volumes:
- /mnt/clusterdata/minio/container/vol:/container/vol
ports:
- "9003:9000"
networks:
- ntw_minio
deploy:
restart_policy:
delay: 10s
max_attempts: 10
window: 60s
placement:
constraints:
- node.labels.minio3==true
command: gateway nas /container/vol
secrets:
- secret_key
- access_key
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
interval: 30s
timeout: 20s
retries: 3
Raw
compose_minio.yaml
# https://gist.github.com/pascalandy/1771c666aab221a9be5ea4bb6dbce70b
version: '3.7'
networks:
ntw_minio:
external: true
secrets:
secret_key:
external: true
access_key:
external: true
services:
minio1:
image: minio/minio:RELEASE.2020-01-25T02-50-51Z
hostname: minio1
volumes:
- /mnt/clusterdata/minio/export1:/export1
- /mnt/clusterdata/minio/export2:/export2
ports:
- "9001:9000"
networks:
- ntw_minio
deploy:
restart_policy:
delay: 10s
max_attempts: 10
window: 60s
placement:
constraints:
- node.labels.minio1==true
command: server http://minio{1...3}/export{1...2}
secrets:
- secret_key
- access_key
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
interval: 30s
timeout: 20s
retries: 3
minio2:
image: minio/minio:RELEASE.2020-01-25T02-50-51Z
hostname: minio2
volumes:
- /mnt/clusterdata/minio/export1:/export1
- /mnt/clusterdata/minio/export2:/export2
ports:
- "9002:9000"
networks:
- ntw_minio
deploy:
restart_policy:
delay: 10s
max_attempts: 10
window: 60s
placement:
constraints:
- node.labels.minio2==true
command: server http://minio{1...3}/export{1...2}
secrets:
- secret_key
- access_key
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
interval: 30s
timeout: 20s
retries: 3
minio3:
image: minio/minio:RELEASE.2020-01-25T02-50-51Z
hostname: minio3
volumes:
- /mnt/clusterdata/minio/export1:/export1
- /mnt/clusterdata/minio/export2:/export2
ports:
- "9003:9000"
networks:
- ntw_minio
deploy:
restart_policy:
delay: 10s
max_attempts: 10
window: 60s
placement:
constraints:
- node.labels.minio3==true
command: server http://minio{1...3}/export{1...2}
secrets:
- secret_key
- access_key
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
interval: 30s
timeout: 20s
retries: 3
@pascalandy
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Author

pascalandy commented Dec 16, 2019 •
edited
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Context

Minio (the solution) must sync data of a directory /mnt/clusterdata/minio/container/vol of my 3 nodes.

Requirements / use case

  • The solution must sync the data in /mnt/clusterdata/minio/container/vol
  • I have a 3 nodes set up on docker swarm
  • Our docker containers mount there volume to /mnt/clusterdata/minio/container/vol
  • My stateful apps will mount their data at
    • /mnt/clusterdata/minio/container/vol/app1/bin
    • /mnt/clusterdata/minio/container/vol/app2/bin
    • /mnt/clusterdata/minio/container/vol/appN/bin
  • Everything needs to happen via the CLI (no GUI operation)
  • No need external sync to the cloud (like AWS s3)
  • I expect the data to flow via the swarm ingress (not via public traffic)
  • The orchestrator (Docker Swarm in my case) does not need to care about "volume" or a plug-in.
  • The orchestrator will run Minio services and Minio will sync stuff on our nodes

Gist

https://gist.github.com/pascalandy/1771c666aab221a9be5ea4bb6dbce70b

Cluster context

Minio must have a minimum of 4 drives. In our case, we run 6 drives on 3 nodes.

1) on all nodes:

### install utilities
apk update && apk upgrade && apk add --no-cache               \
    nano bash git curl wget unzip openssl tar ca-certificates && \

### create stateful directory
mkdir -pv /mnt/clusterdata/minio/container/vol

2) on node: manager1

### copy compose file

curl -L https://gist.githubusercontent.com/pascalandy/1771c666aab221a9be5ea4bb6dbce70b/raw/4302059848a887288ea1488b1ad1b86590e8afb5/compose-minio-nas.yml \
-o compose-minio-nas.yml && sleep 1 && \

### network

NTW_MINIO="ntw_minio"

if [ ! "$(docker network ls --filter name=${NTW_MINIO} -q)" ]; then
   docker network create --driver overlay --attachable ${NTW_MINIO}
else
   echo "Network: ${NTW_MINIO} already exist!"
   fct_count1
fi

docker network ls | grep "ntw_"; echo;

### secrets

echo "user_eW9afmXBOp_br8T" | docker secret create access_key -
echo "pass_C1mvqM5w4iq4RjgeJsLvT5xId_qUCX_qVKi" | docker secret create secret_key -
   #Access Key: min 3 chars, max 20 chars
   #Secret Key: min 8 chars, max 40 chars

### constraints

docker node update --label-add minio1=true manager1
docker node update --label-add minio2=true manager2
docker node update --label-add minio3=true manager3

### deploy

docker stack deploy stk_minio --compose-file=compose-minio-nas.yml

### see stack

docker service ls

3) validate that files are synching

WIP: 2020-01-30_12h20

on node1:

touch /mnt/clusterdata/minio/container/vol/testfile

on node2

ls /mnt/clusterdata/minio/container/vol

on node3:

ls /mnt/clusterdata/minio/container/vol

Official docs

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