Wrapper to allow post-creation hooks for docker guests.
| #!/bin/sh | |
| # | |
| # Launch a new docker container. | |
| # | |
| # Execute run-parts against a creation directory, and make both the ID | |
| # and the NAME of the new container availalbe to those scripts via the | |
| # environment. | |
| # | |
| # Steve | |
| # -- | |
| # | |
| # | |
| # The directory we'll execute against. | |
| # | |
| dir=/etc/docker.start.d/ | |
| # | |
| # Invoke docker to get the ID | |
| # | |
| ID=$(docker run $*) | |
| # | |
| # If the ID is empty then something went wrong | |
| # | |
| if [ -z "$ID" ]; then | |
| echo "Creation failed" | |
| exit 1 | |
| fi | |
| # | |
| # Make the ID available in the environment | |
| # | |
| export ID | |
| # | |
| # Find the name of the new guest, and make it available. | |
| # | |
| NAME=$(docker inspect --format '{{ .Name }}' $ID | tr -d /) | |
| export NAME | |
| # | |
| # Execute run-parts, if the directory is present | |
| # | |
| if [ -d "$dir" ] ; then | |
| run-parts "$dir" | |
| fi | |
| # | |
| # Output the ID | |
| # | |
| echo $ID | |
| exit 0 |
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