new PHP ratings service

mysql/Dockerfile

@@ -0,0 +1,16 @@
+FROM mysql:5.7.20
+
+ENV MYSQL_ALLOW_EMPTY_PASSWORD=yes \
+    MYSQL_DATABASE=cities \
+    MYSQL_USER=shipping \
+    MYSQL_PASSWORD=secret
+
+# change datadir entry in /etc/mysql/my.cnf
+COPY config.sh /root/
+RUN /root/config.sh
+
+COPY scripts/* /docker-entrypoint-initdb.d/
+
+RUN /entrypoint.sh mysqld & while [ ! -f /tmp/finished ]; do sleep 10; done
+RUN rm /docker-entrypoint-initdb.d/*
+

mysql/config.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+DIR="/etc/mysql"
+
+FILE=$(fgrep -Rl datadir "$DIR")
+if [ -n "$FILE" ]
+then
+    # mkdir /data/mysql
+    echo " "
+    echo "Updating $FILE"
+    echo " "
+    sed -i -e '/^datadir/s/\/var\/lib\//\/data\//' $FILE
+    fgrep -R datadir "$DIR"
+else
+    echo " "
+    echo "file not found"
+    echo " "
+fi
+

mysql/convert.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Convert cities CSV file to SQL
+
+if [ -z "$1" ]
+then
+    echo "File required as first arg"
+    exit 1
+fi
+
+# \x27 is a single quote
+# \x60 is back tick
+awk '
+    BEGIN {
+        FS=","
+        format = "INSERT INTO cities(country_code, city, name, region, latitude, longitude) VALUES(\x27%s\x27, \x27%s\x27, \x27%s\x27, \x27%s\x27, %s, %s);\n"
+        getline
+    }
+    {
+      gsub(/\x27/, "\x60", $2)
+      gsub(/\x27/, "\x60", $3)
+      gsub(/\x27/, "\x60", $4)
+      if(NF == 6) printf format, $1, $2, $3, $4, $5, $6
+      else printf format, $1, $2, $3, $4, $6, $7
+    }
+    ' $1
+

mysql/scripts/20-ratings.sql

@@ -0,0 +1,16 @@
+CREATE DATABASE ratings
+DEFAULT CHARACTER SET 'utf8';
+
+USE ratings;
+
+CREATE TABLE ratings (
+    sku varchar(80) NOT NULL,
+    avg_rating DECIMAL(3, 2) NOT NULL,
+    rating_count INT NOT NULL,
+    PRIMARY KEY (sku)
+) ENGINE=InnoDB;
+
+
+GRANT ALL ON ratings.* TO 'ratings'@'%'
+IDENTIFIED BY 'iloveit';
+

mysql/scripts/99-finished.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# signal that the import has finsihed
+touch /tmp/finished
+