cupsd/hooks/init

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+#!/bin/bash
+## Init is run on host
+## For now it is run every time the script is launched, but
+## it should be launched only once after build.
+
+## Accessible variables are:
+## - SERVICE_NAME        Name of current service
+## - DOCKER_BASE_IMAGE   Base image from which this service might be built if any
+## - SERVICE_DATASTORE           Location on host of the DATASTORE of this service
+## - SERVICE_CONFIGSTORE         Location on host of the CONFIGSTORE of this service
+
+
+set -e
+mkdir -p "$SERVICE_DATASTORE/etc"
+
+if [ ! -d "$SERVICE_DATASTORE/etc/cups" ]; then
+    ## first time we need to extract configuration from image
+    rm -rf "$SERVICE_DATASTORE/etc/cups"
+    mkdir -p "$SERVICE_DATASTORE/etc"
+    service_base_image_export_dir "$SERVICE_NAME" /etc/cups "$SERVICE_DATASTORE/etc/"
+fi

cupsd/metadata.yml

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+description: "Cupsd Server"
+maintainer: "Nicolas JEUDY<http://github.com/njeudy>"
+## XXXnjeudy: docker uses the 'build' directory or the 'image:' option here.
+## based on olbat/cupsd:2023-01-06
+docker-image: olbat/cupsd:2023-01-06
+data-resources:
+  - /etc/cups
+#docker-compose:
+#  ports:
+#    - "631:631"
+# add -v /var/run/dbus:/var/run/dbus
+# no custom cupsd.conf : -v $PWD/cupsd.conf:/etc/cups/cupsd.conf
+
+# default-options:
+#   config: |
+
+provides:
+  printer-service:
+
+uses:
+  backup:
+    constraint: recommended
+    auto: pair
+    solves:
+      backup: "Automatic regular backup"