EntryPoint

contrib/docker/ckan-entrypoint.sh

@@ -0,0 +1,86 @@
+#!/bin/sh
+set -eu
+
+# URL for the primary database, in the format expected by sqlalchemy (required
+# unless linked to a container called 'db')
+: ${DATABASE_URL:=}
+# URL for solr (required unless linked to a container called 'solr')
+: ${SOLR_URL:=}
+# URL for redis (required unless linked to a container called 'redis')
+: ${REDIS_URL:=}
+# Email to which errors should be sent (optional, default: none)
+: ${ERROR_EMAIL:=}
+
+CONFIG="${CKAN_CONFIG}/ckan.ini"
+
+abort () {
+  echo "$@" >&2
+  exit 1
+}
+
+write_config () {
+  ckan-paster make-config ckan "$CONFIG"
+
+  ckan-paster --plugin=ckan config-tool "$CONFIG" -e \
+      "sqlalchemy.url = ${DATABASE_URL}" \
+      "solr_url = ${SOLR_URL}" \
+      "ckan.redis.url = ${REDIS_URL}" \
+      "ckan.storage_path = /var/lib/ckan" \
+      "email_to = disabled@example.com" \
+      "error_email_from = ckan@$(hostname -f)" \
+      "ckan.site_url = http://localhost:5000"
+
+  if [ -n "$ERROR_EMAIL" ]; then
+    sed -i -e "s&^#email_to.*&email_to = ${ERROR_EMAIL}&" "$CONFIG"
+  fi
+}
+
+link_postgres_url () {
+  local user=$DB_ENV_POSTGRES_USER
+  local pass=$DB_ENV_POSTGRES_PASSWORD
+  local db=$DB_ENV_POSTGRES_DB
+  local host=$DB_PORT_5432_TCP_ADDR
+  local port=$DB_PORT_5432_TCP_PORT
+  echo "postgresql://${user}:${pass}@${host}:${port}/${db}"
+}
+
+link_solr_url () {
+  local host=$SOLR_PORT_8983_TCP_ADDR
+  local port=$SOLR_PORT_8983_TCP_PORT
+  echo "http://${host}:${port}/solr/ckan"
+}
+
+link_redis_url () {
+  local host=$REDIS_PORT_6379_TCP_ADDR
+  local port=$REDIS_PORT_6379_TCP_PORT
+  echo "redis://${host}:${port}/1"
+}
+
+# If we don't already have a config file, bootstrap
+if [ ! -e "$CONFIG" ]; then
+
+  if [ -z "$DATABASE_URL" ]; then
+    if ! DATABASE_URL=$(link_postgres_url); then
+      abort "ERROR: no DATABASE_URL specified and linked container called 'db' was not found"
+    fi
+  fi
+
+  if [ -z "$SOLR_URL" ]; then
+    if ! SOLR_URL=$(link_solr_url); then
+      abort "ERROR: no SOLR_URL specified and linked container called 'solr' was not found"
+    fi
+  fi
+
+  if [ -z "$REDIS_URL" ]; then
+    if ! REDIS_URL=$(link_redis_url); then
+      abort "ERROR: no REDIS_URL specified and linked container called 'redis' was not found"
+    fi
+  fi
+
+  write_config
+
+fi
+
+ckan-paster --plugin=ckan db init -c "${CKAN_CONFIG}/ckan.ini"
+
+exec "$@"