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Offline installation

Note

If your target host has no internet access, complete this page before running docker compose up. The image download must be performed on a separate machine that has internet access. Once the images are loaded on the target host, continue with the normal setup flow.

In order to install SC4SNMP using docker compose in the offline environment, several docker images must be imported. These images can be found in .env file:

  • SC4SNMP_IMAGE and SC4SNMP_TAG in Deployment configuration section
  • COREDNS_IMAGE and COREDNS_TAG in Dependencies images section
  • MIBSERVER_IMAGE and MIBSERVER_TAG in Dependencies images section
  • REDIS_IMAGE and REDIS_TAG in Dependencies images section
  • MONGO_IMAGE and MONGO_TAG in Dependencies images section

Following images must be downloaded in the online environment, saved to .tar archive and moved to the offline environment.

Steps required to install necessary images

Suppose that .env contains the following images:

SC4SNMP_IMAGE=ghcr.io/splunk/splunk-connect-for-snmp/container
SC4SNMP_TAG=latest

COREDNS_IMAGE=coredns/coredns
COREDNS_TAG=1.11.1

MIBSERVER_IMAGE=ghcr.io/pysnmp/mibs/container
MIBSERVER_TAG=latest

REDIS_IMAGE=docker.io/redis
REDIS_TAG=latest

MONGO_IMAGE=docker.io/mongodb
MONGO_TAG=latest

They must be downloaded in the online environment by following commands:

docker pull ghcr.io/splunk/splunk-connect-for-snmp/container:latest
docker pull coredns/coredns:1.11.1
docker pull ghcr.io/pysnmp/mibs/container:latest
docker pull docker.io/redis:latest
docker pull docker.io/mongodb:latest

Next step is to save them to sc4snmp_offline_images.tar archive: 

docker save ghcr.io/splunk/splunk-connect-for-snmp/container:latest \
coredns/coredns:1.11.1 \
ghcr.io/pysnmp/mibs/container:latest \
docker.io/redis:latest \
docker.io/mongodb:latest > sc4snmp_offline_images.tar

After moving sc4snmp_offline_images.tar archive to the offline environment, images can be loaded to docker: 

docker load --input sc4snmp_offline_images.tar