From dbc34766711d62dd770887452f0fd72cb3780107 Mon Sep 17 00:00:00 2001
From: Duty Human <admin@idenhurst26.online>
Date: Sun, 2 Oct 2022 03:55:50 +0100
Subject: [PATCH] Trivial implementation of automated schema/user creation -
 just good enough for dev.

---
 templates/mariadb-entrypoint.sh |  9 +++++++++
 templates/mariadb.dockerfile    |  6 ++++++
 templates/mariadb.tmpl          | 13 +++++++++++++
 3 files changed, 28 insertions(+)
 create mode 100644 templates/mariadb-entrypoint.sh
 create mode 100644 templates/mariadb.dockerfile
 create mode 100644 templates/mariadb.tmpl

diff --git a/templates/mariadb-entrypoint.sh b/templates/mariadb-entrypoint.sh
new file mode 100644
index 00000000..30473ed8
--- /dev/null
+++ b/templates/mariadb-entrypoint.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+/usr/local/bin/docker-gen mariadb.tmpl /tmp/sql.sh
+while true;
+do
+        ls -l /tmp/sql.sh
+        source /tmp/sql.sh
+        /usr/local/bin/docker-gen --watch mariadb.tmpl /tmp/sql.sh
+done
diff --git a/templates/mariadb.dockerfile b/templates/mariadb.dockerfile
new file mode 100644
index 00000000..96577c75
--- /dev/null
+++ b/templates/mariadb.dockerfile
@@ -0,0 +1,6 @@
+FROM jwilder/docker-gen AS docker-gen
+FROM mariadb:latest
+COPY --from=docker-gen /usr/local/bin/docker-gen /usr/local/bin/docker-gen
+COPY mariadb-entrypoint.sh /
+COPY mariadb.tmpl /
+ENTRYPOINT ["/mariadb-entrypoint.sh"]
diff --git a/templates/mariadb.tmpl b/templates/mariadb.tmpl
new file mode 100644
index 00000000..e02b42a9
--- /dev/null
+++ b/templates/mariadb.tmpl
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+{{ range $index, $value := . }}
+
+	{{ if $value.Env.DB_HOST }}
+# TODO: Save password from dbserver startup into files then read config
+/usr/bin/mysql -h{{$value.Env.DB_HOST}} -ppass -e '
+		CREATE USER IF NOT EXISTS `{{$value.Env.DB_USER}}` IDENTIFIED BY "{{$value.Env.DB_PASS}}";
+		CREATE SCHEMA IF NOT EXISTS `{{$value.Env.DB_SCHEMA}}`;
+		GRANT ALL ON `{{$value.Env.DB_SCHEMA}}`.* TO `{{$value.Env.DB_USER}}`@`%`;
+'
+	{{ end }}
+{{end}}