From fa51250c52c149320c59cdc8d6004bf7bc0b1a22 Mon Sep 17 00:00:00 2001
From: Scott Koranda <skoranda@gmail.com>
Date: Fri, 6 Aug 2021 08:55:17 -0500
Subject: [PATCH] Environment variable to set database port (CO-2153)

---
 comanage-registry-base/comanage_utils.sh      | 50 ++++++++++++++-----
 ...e-registry-common-environment-variables.md |  8 +++
 2 files changed, 46 insertions(+), 12 deletions(-)

diff --git a/comanage-registry-base/comanage_utils.sh b/comanage-registry-base/comanage_utils.sh
index b59d787..3dea860 100644
--- a/comanage-registry-base/comanage_utils.sh
+++ b/comanage-registry-base/comanage_utils.sh
@@ -133,6 +133,7 @@ function comanage_utils::consume_injected_environment() {
         COMANAGE_REGISTRY_DATASOURCE
         COMANAGE_REGISTRY_DATABASE
         COMANAGE_REGISTRY_DATABASE_HOST
+        COMANAGE_REGISTRY_DATABASE_PORT
         COMANAGE_REGISTRY_DATABASE_USER
         COMANAGE_REGISTRY_DATABASE_USER_PASSWORD
         COMANAGE_REGISTRY_EMAIL_FROM
@@ -362,6 +363,7 @@ function comanage_utils::manage_tier_environment() {
 # Globals:
 #   COMANAGE_REGISTRY_DATABASE
 #   COMANAGE_REGISTRY_DATABASE_HOST
+#   COMANAGE_REGISTRY_DATABASE_PORT
 #   COMANAGE_REGISTRY_DATABASE_USER
 #   COMANAGE_REGISTRY_DATABASE_USER_PASSWORD
 #   COMANAGE_REGISTRY_DATASOURCE
@@ -380,26 +382,50 @@ function comanage_utils::prepare_database_config() {
     local database_config
     database_config="$COMANAGE_REGISTRY_DIR/local/Config/database.php"
 
-    if [[ ! -e "$database_config" ]]; then
-        cat > "$database_config" <<EOF
+    # File already exists so return.
+    if [[ -e "$database_config" ]]; then
+        return
+    fi
+
+    # File does not exist so create it.
+    local php_string
+
+    read -r -d '' php_string <<'EOF'
 <?php
 
 class DATABASE_CONFIG {
 
-  public \$default = array(
-    'datasource' => '${COMANAGE_REGISTRY_DATASOURCE:-Database/Postgres}',
+  public $default = array(
     'persistent' => false,
-    'host' => '${COMANAGE_REGISTRY_DATABASE_HOST:-comanage-registry-database}',
-    'login' => '${COMANAGE_REGISTRY_DATABASE_USER:-registry_user}',
-    'password' => '${COMANAGE_REGISTRY_DATABASE_USER_PASSWORD:-password}',
-    'database' => '${COMANAGE_REGISTRY_DATABASE:-registry}',
     'prefix' => 'cm_',
-  );
-
-}
 EOF
-        echo "Wrote new database configuration file ${database_config}" > "$OUTPUT"
+
+    php_string+=$'\n    '
+    php_string+="'datasource' => '${COMANAGE_REGISTRY_DATASOURCE:-Database/Postgres}',"
+
+    php_string+=$'\n    '
+    php_string+="'host' => '${COMANAGE_REGISTRY_DATABASE_HOST:-comanage-registry-database}',"
+
+    php_string+=$'\n    '
+    php_string+="'login' => '${COMANAGE_REGISTRY_DATABASE_USER:-registry_user}',"
+
+    php_string+=$'\n    '
+    php_string+="'password' => '${COMANAGE_REGISTRY_DATABASE_USER_PASSWORD:-password}'," 
+
+    php_string+=$'\n    '
+    php_string+="'database' => '${COMANAGE_REGISTRY_DATABASE:-registry}',"
+
+    # The value of port is an integer.
+    if [[ -n "${COMANAGE_REGISTRY_DATABASE_PORT}" ]]; then
+        php_string+=$'\n    '
+        php_string+="'port' => ${COMANAGE_REGISTRY_DATABASE_PORT},"
     fi
+
+    php_string+=$'\n    );\n}\n';
+
+    printf "%s" "$php_string" > $database_config
+
+    echo "Wrote new database configuration file ${database_config}" > "$OUTPUT"
 }
 
 ##########################################
diff --git a/docs/comanage-registry-common-environment-variables.md b/docs/comanage-registry-common-environment-variables.md
index 924ac7f..66e5ce5 100644
--- a/docs/comanage-registry-common-environment-variables.md
+++ b/docs/comanage-registry-common-environment-variables.md
@@ -89,6 +89,14 @@ provided that the file it points to exists and is readable.
 * Example: database-server.my.org
 * Note: \[[2](#note02)\]
 
+```COMANAGE_REGISTRY_DATABASE_PORT```
+
+* Description: database server port
+* Required: no
+* Default: unset 
+* Example: 5433
+* Note: \[[2](#note02)\]
+
 ```COMANAGE_REGISTRY_DATABASE_USER```
 
 * Description: database username