From 2646bf5aec16f9c0b9659cbc31d8a1b2196ad15e Mon Sep 17 00:00:00 2001
From: Rob Pearce <rpearce@squiz.net>
Date: Sun, 16 Jan 2022 20:35:49 +1100
Subject: [PATCH] add option to specify influx host

---
 aircon.sh | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/aircon.sh b/aircon.sh
index 05fe471..90d32c9 100755
--- a/aircon.sh
+++ b/aircon.sh
@@ -56,6 +56,7 @@ function usage() {
     echo "    -h          Show this text."
     echo "    -c          Cron mode.  Only show output if actions were taken."
     echo "    -i x.x.x.x  Specify IP address for aircon (default is $DEFAULT_AIRCON_IP)"
+    echo "    -D dbhost   Specify influxdb hostname for -I and -A options (default: localhost)"
     echo "    -I db       Log all zone temperatures to given influxdb database, then exit (see -o)."
     echo "    -A db       Log actions to given influxdb database."
     echo "    -f file     Specify an alternate config file."
@@ -1487,9 +1488,9 @@ function influx_insert() { # $1 == cmd
     fi
     cmd="$1"
     if [[ $DOIT -eq 1 ]]; then
-        ${influx} -database "$influxdb" -execute "$cmd"
+        ${influx} -host "$influxhost" -database "$influxdb" -execute "$cmd"
     else
-        echo "${influx} -database $influxdb -execute $cmd"
+        echo "${influx} -host "$influxhost" -database $influxdb -execute $cmd"
         thisrv=0
     fi
     thisrv=$?
@@ -1510,9 +1511,9 @@ function influx_init() {  # $1 == dbname
         error "influx executable not found in path."
         return 1
     fi
-    dbfound=$(${influx} -database "$influxdb" -execute "SHOW DATABASES" | grep -w ^${influxdb})
+    dbfound=$(${influx} -host "$influxhost" -database "$influxdb" -execute "SHOW DATABASES" | grep -w ^${influxdb})
     if [[ -z $dbfound ]]; then
-        error "Couldn't find influx database '$influxdb'"
+        error "Couldn't find influx database '$influxdb' on host $influxhost"
         return 1
     fi
     influx_clear
@@ -1548,6 +1549,7 @@ modelock="n/a"
 cronmode=0
 logmode=0  #0=none, 1=csv_file, 2=local influxdb
 influxdb=""
+influxhost="127.0.0.1"
 showwho=0
 limit=$DEFAULTLIMIT
 profiler=0
@@ -1572,7 +1574,7 @@ fi
 
 ALLARGS="$ALLARGS $*"
 
-optstring="A:cf:hHi:I:k:l:Lo:pmsSt:T:wx:y"
+optstring="A:cDf:hHi:I:k:l:Lo:pmsSt:T:wx:y"
 while getopts "$optstring" i $ALLARGS; do
     case "$i" in
         h)
@@ -1588,12 +1590,15 @@ while getopts "$optstring" i $ALLARGS; do
         i)
             AIRCON_IP=${OPTARG}
             ;;
+        D)
+            influxhost=${OPTARG}
+            ;;
         I)
             logmode=2
-            influx_init "$OPTARG" || exit 1
+            influxdb="$OPTARG"
             ;;
         A)
-            influx_init "$OPTARG" || exit 1
+            influxdb="$OPTARG"
             ;;
         k)
             KILLFILE=${OPTARG}
@@ -1646,6 +1651,10 @@ while getopts "$optstring" i $ALLARGS; do
 done
 shift $((OPTIND - 1))
 
+if [[ -n $influxdb ]]; then
+    influx_init "$influxdb" || exit 1
+fi
+
 if [[ $makeconfig -eq 1 ]]; then
     gen_config
     rv=$?