MariaDB startup issue

Issue-ID: PORTAL-399
Change-Id: I7fd4fbbb0707e0b00d652eca812f4079a3f10a59
Signed-off-by: st782s <statta@research.att.com>

2 files changed, 197 insertions, 0 deletions

diff --git a/kubernetes/portal/charts/portal-mariadb/resources/config/mariadb/docker-entrypoint.sh b/kubernetes/portal/charts/portal-mariadb/resources/config/mariadb/docker-entrypoint.sh
new file mode 100644
index 0000000000..f00bf8b71d
--- /dev/null
+++ b/kubernetes/portal/charts/portal-mariadb/resources/config/mariadb/docker-entrypoint.sh
@@ -0,0 +1,190 @@
+#!/bin/bash
+set -eo pipefail
+shopt -s nullglob
+
+# if command starts with an option, prepend mysqld
+if [ "${1:0:1}" = '-' ]; then
+        set -- mysqld "$@"
+fi
+
+# skip setup if they want an option that stops mysqld
+wantHelp=
+for arg; do
+        case "$arg" in
+                -'?'|--help|--print-defaults|-V|--version)
+                        wantHelp=1
+                        break
+                        ;;
+        esac
+done
+
+# usage: file_env VAR [DEFAULT]
+#    ie: file_env 'XYZ_DB_PASSWORD' 'example'
+# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
+#  "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
+file_env() {
+        local var="$1"
+        local fileVar="${var}_FILE"
+        local def="${2:-}"
+        if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+                echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
+                exit 1
+        fi
+        local val="$def"
+        if [ "${!var:-}" ]; then
+                val="${!var}"
+        elif [ "${!fileVar:-}" ]; then
+                val="$(< "${!fileVar}")"
+        fi
+        export "$var"="$val"
+        unset "$fileVar"
+}
+
+_check_config() {
+        toRun=( "$@" --verbose --help --log-bin-index="$(mktemp -u)" )
+        if ! errors="$("${toRun[@]}" 2>&1 >/dev/null)"; then
+                cat >&2	<<-EOM
+
+				ERROR: mysqld failed while attempting to check config
+				command was: "${toRun[*]}"
+
+				$errors
+				EOM
+                exit 1
+        fi
+}
+
+# Fetch value from server config
+# We use mysqld --verbose --help instead of my_print_defaults because the
+# latter only show values present in config files, and not server defaults
+_get_config() {
+        local conf="$1"; shift
+        "$@" --verbose --help --log-bin-index="$(mktemp -u)" 2>/dev/null | awk '$1 == "'"$conf"'" { print $2; exit }'
+}
+
+# allow the container to be started with `--user`
+if [ "$1" = 'mysqld' -a -z "$wantHelp" -a "$(id -u)" = '0' ]; then
+        _check_config "$@"
+        DATADIR="$(_get_config 'datadir' "$@")"
+        mkdir -p "$DATADIR"
+        find "$DATADIR" \! -user mysql -exec chown mysql '{}' +
+        exec gosu mysql "$BASH_SOURCE" "$@"
+fi
+
+if [ "$1" = 'mysqld' -a -z "$wantHelp" ]; then
+        # still need to check config, container may have started with --user
+        _check_config "$@"
+        # Get config
+        DATADIR="$(_get_config 'datadir' "$@")"
+
+        if [ ! -d "$DATADIR/mysql" ]; then
+                file_env 'MYSQL_ROOT_PASSWORD'
+                if [ -z "$MYSQL_ROOT_PASSWORD" -a -z "$MYSQL_ALLOW_EMPTY_PASSWORD" -a -z "$MYSQL_RANDOM_ROOT_PASSWORD" ]; then
+                        echo >&2 'error: database is uninitialized and password option is not specified '
+                        echo >&2 '  You need to specify one of MYSQL_ROOT_PASSWORD, MYSQL_ALLOW_EMPTY_PASSWORD and MYSQL_RANDOM_ROOT_PASSWORD'
+                        exit 1
+                fi
+
+                mkdir -p "$DATADIR"
+
+                echo 'Initializing database'
+                # "Other options are passed to mysqld." (so we pass all "mysqld" arguments directly here)
+                mysql_install_db --datadir="$DATADIR" --rpm "${@:2}"
+                echo 'Database initialized'
+
+                SOCKET="$(_get_config 'socket' "$@")"
+                "$@" --skip-networking --socket="${SOCKET}" &
+                pid="$!"
+
+                mysql=( mysql --protocol=socket -uroot -hlocalhost --socket="${SOCKET}" )
+
+                for i in {60..0}; do
+                        if echo 'SELECT 1' | "${mysql[@]}" &> /dev/null; then
+                                break
+                        fi
+                        echo 'MySQL init process in progress...'
+                        sleep 1
+                done
+                if [ "$i" = 0 ]; then
+                        echo >&2 'MySQL init process failed.'
+                        exit 1
+                fi
+
+                if [ -z "$MYSQL_INITDB_SKIP_TZINFO" ]; then
+                        # sed is for https://bugs.mysql.com/bug.php?id=20545
+                        mysql_tzinfo_to_sql /usr/share/zoneinfo | sed 's/Local time zone must be set--see zic manual page/FCTY/' | "${mysql[@]}" mysql
+                fi
+
+                if [ ! -z "$MYSQL_RANDOM_ROOT_PASSWORD" ]; then
+                        export MYSQL_ROOT_PASSWORD="$(pwgen -1 32)"
+                        echo "GENERATED ROOT PASSWORD: $MYSQL_ROOT_PASSWORD"
+                fi
+
+                rootCreate=
+                # default root to listen for connections from anywhere
+                file_env 'MYSQL_ROOT_HOST' '%'
+                if [ ! -z "$MYSQL_ROOT_HOST" -a "$MYSQL_ROOT_HOST" != 'localhost' ]; then
+                        # no, we don't care if read finds a terminating character in this heredoc
+                        # https://unix.stackexchange.com/questions/265149/why-is-set-o-errexit-breaking-this-read-heredoc-expression/265151#265151
+                        read -r -d '' rootCreate	<<-EOSQL || true
+						CREATE USER 'root'@'${MYSQL_ROOT_HOST}' IDENTIFIED BY '${MYSQL_ROOT_PASSWORD}' ;
+						GRANT ALL ON *.* TO 'root'@'${MYSQL_ROOT_HOST}' WITH GRANT OPTION ;
+						EOSQL
+                fi
+
+                "${mysql[@]}"	<<-EOSQL
+						-- What's done in this file shouldn't be replicated
+						--  or products like mysql-fabric won't work
+						SET @@SESSION.SQL_LOG_BIN=0;
+
+						DELETE FROM mysql.user WHERE user NOT IN ('mysql.sys', 'mysqlxsys', 'root') OR host NOT IN ('localhost') ;
+						SET PASSWORD FOR 'root'@'localhost'=PASSWORD('${MYSQL_ROOT_PASSWORD}') ;
+						GRANT ALL ON *.* TO 'root'@'localhost' WITH GRANT OPTION ;
+						${rootCreate}
+						DROP DATABASE IF EXISTS test ;
+						FLUSH PRIVILEGES ;
+					EOSQL
+
+                if [ ! -z "$MYSQL_ROOT_PASSWORD" ]; then
+                        mysql+=( -p"${MYSQL_ROOT_PASSWORD}" )
+                fi
+
+                file_env 'MYSQL_DATABASE'
+                if [ "$MYSQL_DATABASE" ]; then
+                        echo "CREATE DATABASE IF NOT EXISTS \`$MYSQL_DATABASE\` ;" | "${mysql[@]}"
+                        mysql+=( "$MYSQL_DATABASE" )
+                fi
+
+                file_env 'MYSQL_USER'
+                file_env 'MYSQL_PASSWORD'
+                if [ "$MYSQL_USER" -a "$MYSQL_PASSWORD" ]; then
+                        echo "CREATE USER '$MYSQL_USER'@'%' IDENTIFIED BY '$MYSQL_PASSWORD' ;" | "${mysql[@]}"
+
+                        if [ "$MYSQL_DATABASE" ]; then
+                                echo "GRANT ALL ON \`$MYSQL_DATABASE\`.* TO '$MYSQL_USER'@'%' ;" | "${mysql[@]}"
+                        fi
+                fi
+
+                echo
+                for f in /docker-entrypoint-initdb.d/*; do
+                        case "$f" in
+                                *.sh)     echo "$0: running $f"; . "$f" ;;
+                                *.sql)    echo "$0: running $f"; "${mysql[@]}" < "$f"; echo ;;
+                                *.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${mysql[@]}"; echo ;;
+                                *)        echo "$0: ignoring $f" ;;
+                        esac
+                        echo
+                done
+
+                if ! kill -s TERM "$pid" || ! wait "$pid"; then
+                        echo >&2 'MySQL init process failed.'
+                        exit 1
+                fi
+
+                echo
+                echo 'MySQL init process done. Ready for start up.'
+                echo
+        fi
+fi
+
+exec "$@"
\ No newline at end of file
diff --git a/kubernetes/portal/charts/portal-mariadb/templates/deployment.yaml b/kubernetes/portal/charts/portal-mariadb/templates/deployment.yaml
index 20fa9cecc2..f826c9c297 100644
--- a/kubernetes/portal/charts/portal-mariadb/templates/deployment.yaml
+++ b/kubernetes/portal/charts/portal-mariadb/templates/deployment.yaml
@@ -65,6 +65,9 @@ spec:
           - mountPath: /etc/localtime
             name: localtime
             readOnly: true
+          - mountPath: /usr/local/bin/docker-entrypoint.sh
+            subPath: docker-entrypoint.sh
+            name: docker-entry
           resources:
 {{ include "common.resources" . | indent 12 }}
         {{- if .Values.nodeSelector }}
@@ -86,5 +89,9 @@ spec:
         - name: localtime
           hostPath:
             path: /etc/localtime
+        - name: docker-entry
+          configMap:
+            name: {{ include "common.fullname" . }}-mariadb
+            defaultMode: 0755
       imagePullSecrets:
       - name: "{{ include "common.namespace" . }}-docker-registry-key"