new: [odoo-tecnativa] add ``update`` action

odoo-tecnativa/actions/update

@@ -0,0 +1,89 @@
+#!/bin/bash
+
+## Load action gets a first argument a DIRECTORY holding the necessary files.
+##
+##
+
+if [ -z "$SERVICE_DATASTORE" ]; then
+    echo "This script is meant to be run through 'compose' to work properly." >&2
+    exit 1
+fi
+
+usage="$exname [-h|--help] DBNAME [MODULE ...]"
+
+dbname=
+modules=()
+while [ "$1" ]; do
+    case "$1" in
+        "--help"|"-h")
+            print_usage
+            exit 0
+        ;;
+        *)
+            [ -z "$dbname" ] && { dbname=$1 ; shift ; continue ; }
+            modules+=("$1")
+        ;;
+    esac
+    shift
+done
+
+[ "${modules[*]}" ] || modules=("all")
+
+modules="$(echo "${modules[@]}" | tr " " ",")"
+
+## This can work only if ~/.my.cnf is correctly created by init.
+
+if [ -z "$dbname" ]; then
+
+    ##
+    ## Fetch default dbname in relation to postgres-database
+    ##
+
+    ## XXXvlab: can't get real config here
+    if ! read-0 ts _ _ < <(get_service_relation "$SERVICE_NAME" "postgres-database"); then
+        err "Couldn't find relation ${DARKCYAN}postgres-database${NORMAL}."
+        exit 1
+    fi
+
+    relation_file=$(get_relation_data_dir "$SERVICE_NAME" "$ts" "postgres-database") || {
+        err "Failed to find relation file"
+        exit 1
+    }
+
+    postgres_config=$(cat "$relation_file"/data) || exit 2
+
+    dbname="$(e "$postgres_config" | shyaml get-value dbname)" || {
+        err "Couldn't retrieve information of ${DARKCYAN}postgres-database${NORMAL}'s relation."
+        exit 1
+    }
+fi
+
+running_containers=($(get_running_containers_for_service "$SERVICE_NAME")) || {
+    err "Failed to get running containers for service $DARKYELLOW$SERVICE_NAME$NORMAL."
+    exit 1
+}
+
+stopped_containers=()
+for container in "${running_containers[@]}"; do
+    ## stop container
+    docker stop "$container" || {
+        err "Failed to stop container $container."
+        exit 1
+    }
+    stopped_containers+=("$container")
+done
+
+restart_stopped_container() {
+    for container in "${stopped_containers[@]}"; do
+        docker start "$container" || {
+            err "Failed to start container $container."
+            exit 1
+        }
+    done
+}
+trap restart_stopped_container EXIT
+
+set -e
+launch_docker_compose run "$SERVICE_NAME" --update="$modules" -d "$dbname" --stop-after-init
+
+info "Updated '$modules' module(s) into database '$dbname'."