From bf531a7a908ad4a6af9b7edc29e1627c095a2850 Mon Sep 17 00:00:00 2001
From: Brandon Rodriguez <brodriguez8774@gmail.com>
Date: Mon, 26 Oct 2020 20:17:27 -0400
Subject: [PATCH] Create intitial script

---
 maria_db.sh | 144 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 run.sh      |  21 +++++++-
 2 files changed, 164 insertions(+), 1 deletion(-)
 create mode 100755 maria_db.sh
 mode change 100644 => 100755 run.sh

diff --git a/maria_db.sh b/maria_db.sh
new file mode 100755
index 0000000..21ec9d9
--- /dev/null
+++ b/maria_db.sh
@@ -0,0 +1,144 @@
+#!/usr/bin/env bash
+###
+ # Installs and sets up MariaDB.
+ ##
+
+
+# Import utils script.
+. $(dirname ${0})/utils.sh
+
+
+###
+ # Script entry point.
+ ##
+function main () {
+
+    check_is_user root
+
+    echo "Starting MariaDB install for Arch Linux."
+    echo -e "To continue, press ${text_cyan}enter${text_reset}. Otherwise, hit ${text_cyan}ctrl+c${text_reset} to cancel."
+    read
+
+    echo -e "${text_blue}Starting MariaDB installation.${text_reset}"
+
+    install_db
+    set_config
+
+    echo -e "${text_green}MariaDB installation complete.${text_reset}"
+}
+
+
+###
+ # Core installation logic.
+ ##
+function install_db () {
+    # Install MariaDB.
+    pacman -Syu mariadb --noconfirm
+
+    # Run initial configuration.
+    sudo mariadb-install-db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
+
+    # Start MariaDB service and set to start on boot.
+    systemctl enable mariadb.service
+    systemctl start mariadb.service
+
+    # Proceed with initial configuration.
+    mysql_secure_installation
+}
+
+
+###
+ # Updates config file for first time setup.
+ ##
+function set_config () {
+    # Check that expected config file exists.
+    if [[ -f "/etc/mysql/my.cnf" ]]
+    then
+        config_file="/etc/mysql/my.cnf"
+    elif [[ -f "/etc/my.cnf" ]]
+    then
+        config_file="/etc/my.cnf"
+    else
+        echo -e "${text_orange}Failed to locate config file at \"/etc/mysql/my.cnf\" or \"/etc/my.cnf\".${text_reset}"
+        echo -e "${text_orange}Unable to set config for first time setup.${text_reset}"
+        return
+    fi
+
+    # Check file contents.
+    file_contents=$(cat ${config_file})
+    search_string_1="default-character-set ="
+    search_string_2="collation_server ="
+    search_string_3="character_set_server ="
+    default_char_set_found=false
+    if [[ ! "${file_contents}" =~ "${search_string_1}" ||
+          ! "${file_contents}" =~ "${search_string_2}" ||
+          ! "${file_contents}" =~ "${search_string_3}" ]]
+    then
+        # One or more values not set.
+        echo -e "${text_blue}Running config first time setup.${text_reset}"
+
+        # Set config header.
+        echo "" >> ${config_file}
+        echo "" >> ${config_file}
+        echo "###" >> ${config_file}
+        echo " # Automatically set Config Values" >> ${config_file}
+        echo " ##" >> ${config_file}
+
+        # Check for default char set.
+        if [[ "${file_contents}" =~ "${search_string_1}" ]]
+        then
+            default_char_set_found=true
+        fi
+
+        # Set default char set if was not found.
+        if [[ ${default_char_set_found} == false ]]
+        then
+            # Default char set not found. Define here for client.
+            echo "[client]" >> ${config_file}
+            echo "default-character-set = utf8mb4" >> ${config_file}
+            echo "" >> ${config_file}
+        fi
+
+        # Check for default collation and server set.
+        if [[ ! "${file_contents}" =~ "${search_string_2}" || ! "${file_contents}" =~ "${search_string_3}" ]]
+        then
+            # Default collation or server set not found. Define here.
+            echo "[mysqld]" >> ${config_file}
+
+            if [[ ! "${file_contents}" =~ "${search_string_2}" ]]
+            then
+                echo "collation_server = utf8mb4_unicode_ci" >> ${config_file}
+            fi
+            if [[ ! "${file_contents}" =~ "${search_string_3}" ]]
+            then
+                echo "character_set_server = utf8mb4" >> ${config_file}
+            fi
+            echo "" >> ${config_file}
+        fi
+
+        # Set default char set if was not found.
+        if [[ ${default_char_set_found} == false ]]
+        then
+            # Default char set not found. Define here for mysql.
+            echo "[mysql]" >> ${config_file}
+            echo "default-character-set = utf8mb4" >> ${config_file}
+            echo "" >> ${config_file}
+
+            # While here, also set auto complete within the client.
+            echo "# Enable auto-completion in MySQL client." >> ${config_file}
+            echo "auto-rehash" >> ${config_file}
+            echo "" >> ${config_file}
+        fi
+
+        # Restart MariaDB for new config values.
+        systemctl restart mariadb.service
+
+    else
+        # Config values found.
+        echo -e "${text_orange}Config appears to already be setSkipping config first time setup.${text_reset}"
+    fi
+
+}
+
+
+main
diff --git a/run.sh b/run.sh
old mode 100644
new mode 100755
index 388e8fd..132132b
--- a/run.sh
+++ b/run.sh
@@ -1,4 +1,23 @@
 #!/usr/bin/env bash
 ###
- #
+ # Installs and sets up database for given system.
  ##
+
+
+# Import utils script.
+. $(dirname ${0})/utils.sh
+
+
+###
+ # Script entry point.
+ ##
+function main () {
+    echo "Starting Script."
+
+    sudo ./maria_db.sh
+
+    echo "Terminating Script."
+}
+
+
+main
-- 
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