ci(launch-all): run exporters if either is on PATH

server/README.md

@@ -46,11 +46,9 @@ You can run it every midnight or so, by adding the following line on: `crontab -
 
 Launches everything, it's meant to be run at reboot.
 
-It also launches prometheus _exporters_, namely [node_exporter](https://github.com/prometheus/node_exporter) and [process-exporter](https://github.com/ncabatoff/process-exporter).
+It also launches prometheus _exporters_ (in case either is present in PATH), namely [node_exporter](https://github.com/prometheus/node_exporter) and [process-exporter](https://github.com/ncabatoff/process-exporter).
 
-These aren't run if node_exporter is not found in PATH. Both must be in the home directory or anywhere on PATH.
-
-To set them up, just download their binaries and move them to `/usr/bin`.eee
+To set them up, just download their binaries and move them to somewhere on PATH such as: `/usr/bin`.
 
 ## Grafana stack
 

server/scripts/launch-all.sh

@@ -12,16 +12,10 @@ printf "$START* Running at $(date)$RESET\n"
 
 # Start node_exporter
 
-RUSTY_PATH=$(pwd)
-NODE_EXPORTER_PATH=${NODE_EXPORTER_PATH:-../node_exporter}
-
 GRAFANA_COMPOSE_OVERRIDE=${GRAFANA_COMPOSE_OVERRIDE:-base}
 
-if [ -f "$NODE_EXPORTER_PATH"/node_exporter ]; then
- (cd "$NODE_EXPORTER_PATH" && "$RUSTY_PATH"/server/scripts/run-exporters.sh)
-else
- echo "${WARNING}Warning: node_exporter wasn't found in $(pwd)/$NODE_EXPORTER_PATH. Not running any exporters.$RESET"
-fi
+echo
+server/scripts/run-exporters.sh
 
 # Start Grafana stack
 

server/scripts/run-exporters.sh

@@ -1,15 +1,25 @@
 #!/usr/bin/env bash
 
+SECTION=$(tput setaf 5)
+WARNING=$(tput setaf 3)
+RESET=$(tput sgr0)
+
 LOG_DIRECTORY="/var/log/rusty-controller/prometheus-exporters"
 mkdir -p "$LOG_DIRECTORY"
 
+if ! which node_exporter || which process-exporter; then
+ printf "${WARNING}No exporters found. $RESET"
+ exit 0
+fi
+
+printf "${SECTION}* Launching Prometheus exporters...$RESET\n"
+
 tmux kill-session -t "Prometheus Exporters" 2>/dev/null && echo "Killed existing Prometheus Exporters tmux session"
 
 tmux new-session -d -s "Prometheus Exporters"
 
-tmux new-window -t "Prometheus Exporters" -n "node_exporter" -c "$(pwd)" "./node_exporter 2>&1 | tee $LOG_DIRECTORY/node_exporter.log"
+tmux new-window -t "Prometheus Exporters" -n "node_exporter" -c "$(pwd)" "node_exporter 2>&1 | tee $LOG_DIRECTORY/node_exporter.log"
 echo "Started new tmux session for node_exporter"
 
 tmux new-window -t "Prometheus Exporters" -n "process-exporter" -c "$(pwd)" "process-exporter 2>&1 | tee $LOG_DIRECTORY/process-exporter.log"
 echo "Started new tmux session for process-exporter"
-