Reduce scope of letsencrypt.sh script.

[config] / all_new_2018 / letsencrypt.sh

diff --git a/all_new_2018/letsencrypt.sh b/all_new_2018/letsencrypt.sh
index 01f8a813c02f4b66ea675e9af7257e672737bce3..18f9aa4f0d50d9aa494d97aef328d045ff78387b 100755 (executable)
--- a/all_new_2018/letsencrypt.sh
+++ b/all_new_2018/letsencrypt.sh
@@ -1,9 +1,17 @@
 #!/bin/sh
+# Install or copy LetsEncrypt certificates on/from server.
+#
+# First argument: server
+# Second argument: "get" or "put"
+#
+# "get" copies the server's /etc/letsencrypt to a local letsencrypt.tar.
+#
+# "set" copies a local letsencrypt.tar to the server's /etc/letsencrypt.
 set -e
 
 # Ensure we have a server name as argument.
-if [ ! $# -eq 2 ]; then
-    echo "Need server and action as argument."
+if [ $# -lt 2 ]; then
+    echo "Need server and action as arguments."
     false
 fi
 server="$1"
@@ -13,10 +21,7 @@ action="$2"
 eval $(ssh-agent)
 ssh-add ~/.ssh/id_rsa
 
-if [ "${action}" = "set" ]; then
-    # Install certificate.
-    ssh -t plom@${server} "su -c 'apt -y install certbot && certbot certonly --standalone -d ${server}$'"
-elif [ "${action}" = "get" ]; then
+if [ "${action}" = "get" ]; then
     # Get /etc/letsencrypt/ as tar file.
     ssh -t plom@${server} 'su -c "cd /etc/ && tar cf letsencrypt.tar letsencrypt && chown plom:plom letsencrypt.tar && mv letsencrypt.tar /home/plom/"'
     scp plom@${server}:~/letsencrypt.tar .
@@ -25,7 +30,6 @@ elif [ "${action}" = "put" ]; then
     scp letsencrypt.tar plom@${server}:~/
     ssh -t plom@${server} 'su -c "rmdir /etc/letsencrypt && mv letsencrypt.tar /etc/ && cd /etc/ && tar xf letsencrypt.tar && rm letsencrypt.tar"'
 else
-    echo "Action must be 'set', 'get', or 'put'."
+    echo "Action must be 'get', or 'put'."
     false
 fi
-