[taler-deployment] 08/25: Avoid file exist errors

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dold pushed a commit to branch master
in repository deployment.

commit 00d4f637f849e1f7ca8599569aaf06edfe04b418
Author: Javier Sepulveda <javier.sepulveda@uv.es>
AuthorDate: Fri Mar 31 18:25:05 2023 +0200

    Avoid file exist errors
---
 netzbon/config_nginx.sh | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/netzbon/config_nginx.sh b/netzbon/config_nginx.sh
index 6bc490d..7a92e69 100755
--- a/netzbon/config_nginx.sh
+++ b/netzbon/config_nginx.sh
@@ -8,8 +8,13 @@ envsubst <nginx-conf/backend.taler-nginx.conf > 
/etc/nginx/sites-available/backe
 envsubst <nginx-conf/bank.taler-nginx.conf > 
/etc/nginx/sites-available/bank.${DOMAIN_NAME}
 envsubst <nginx-conf/exchange.taler-nginx.conf > 
/etc/nginx/sites-available/exchange.${DOMAIN_NAME}
 
+# Remove nginx sites-enabled/default if exists
 
-rm /etc/nginx/sites-enabled/default
+FILE="/etc/nginx/sites-enabled/default"
+
+if test -f "$FILE"; then
+    rm "$FILE"
+fi
 
 if test ${ENABLE_TLS} == "y"
 then
@@ -27,9 +32,19 @@ sed -i "s/http:\/\/bank./https:\/\/bank./g" 
/etc/libeufin/demobank-ui-settings.j
             -d exchange.${DOMAIN_NAME}
 fi
 
+# Create nginx symlinks, just once
+
+if [ ! -f /etc/nginx/sites-enabled/backend.${DOMAIN_NAME} ];then 
 ln -s /etc/nginx/sites-available/backend.${DOMAIN_NAME} 
/etc/nginx/sites-enabled/backend.${DOMAIN_NAME}
+fi
+
+if [ ! -f /etc/nginx/sites-enabled/bank.${DOMAIN_NAME} ];then
 ln -s /etc/nginx/sites-available/bank.${DOMAIN_NAME} 
/etc/nginx/sites-enabled/bank.${DOMAIN_NAME}
+fi
+
+if [ ! -f /etc/nginx/sites-enabled/exchange.${DOMAIN_NAME} ];then
 ln -s /etc/nginx/sites-available/exchange.${DOMAIN_NAME} 
/etc/nginx/sites-enabled/exchange.${DOMAIN_NAME}
+fi
 
 say "Restarting Nginx with new configuration"
 systemctl reload nginx

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