Package updates (open-telemetry#29)

* Fix deb filenames for publish

* Update systemd env file for SPLUNK_BALLAST

* Rename systemd environment file

* Allow otelcol options to be configurable in env file

Author: jchengsfx

.circleci/config.yml

@@ -18,8 +18,8 @@ commands:
           bin/otelcol_linux_arm64
           bin/otelcol_linux_amd64
           bin/otelcol_windows_amd64.exe
-          dist/splunk-otel-collector_*.amd64.deb
-          dist/splunk-otel-collector_*.arm64.deb
+          dist/splunk-otel-collector_*_amd64.deb
+          dist/splunk-otel-collector_*_arm64.deb
           dist/splunk-otel-collector-*.arm64.rpm
           dist/splunk-otel-collector-*.x86_64.rpm
     steps:

internal/buildscripts/packaging/fpm/common.sh

@@ -25,8 +25,8 @@ SPLUNK_CONFIG_REPO_PATH="$REPO_DIR/cmd/otelcol/config/collector/splunk_config.ya
 SPLUNK_CONFIG_INSTALL_PATH="/etc/otel/collector/splunk_config.yaml"
 OTLP_CONFIG_REPO_PATH="$REPO_DIR/cmd/otelcol/config/collector/otlp_config.yaml"
 OTLP_CONFIG_INSTALL_PATH="/etc/otel/collector/otlp_config.yaml"
-SPLUNK_ENV_REPO_PATH="$REPO_DIR/internal/buildscripts/packaging/fpm/splunk_env.sh.example"
-SPLUNK_ENV_INSTALL_PATH="/etc/otel/collector/splunk_env.sh.example"
+SPLUNK_ENV_REPO_PATH="$FPM_DIR/splunk_env.example"
+SPLUNK_ENV_INSTALL_PATH="/etc/otel/collector/splunk_env.example"
 
 
 get_version() {

internal/buildscripts/packaging/fpm/postinstall.sh

@@ -1,9 +1,10 @@
 #!/bin/sh
 
 if command -v systemctl >/dev/null 2>&1; then
+    systemctl daemon-reload
     systemctl enable splunk-otel-collector.service
     # only start the service after package is installed if the environment file exists
-    if [ -f /etc/otel/collector/splunk_env.sh ]; then
+    if [ -f /etc/otel/collector/splunk_env ]; then
         systemctl start splunk-otel-collector.service
     fi
 fi

internal/buildscripts/packaging/fpm/splunk-otel-collector.service

@@ -3,8 +3,8 @@ Description=Splunk OpenTelemetry Collector
 After=network.target
 
 [Service]
-EnvironmentFile=/etc/otel/collector/splunk_env.sh
-ExecStart=/usr/bin/otelcol --config /etc/otel/collector/splunk_config.yaml
+EnvironmentFile=/etc/otel/collector/splunk_env
+ExecStart=/usr/bin/otelcol $OTELCOL_OPTIONS
 KillMode=mixed
 Restart=on-failure
 Type=simple

internal/buildscripts/packaging/fpm/splunk_env.example

@@ -0,0 +1,21 @@
+# Sample environment file for passing variables to the splunk-otel-collector service.
+# See /etc/otel/collector/splunk_config.yaml for how these variables will be consumed.
+
+# To use this file, update the values below appropriately,
+# and save the changes to "/etc/otel/collector/splunk_env".
+
+# Then run the following commands to apply the changes and restart the service:
+#   sudo systemctl daemon-reload
+#   sudo systemctl restart splunk-otel-collector.service
+
+# Command-line options for the splunk-otel-collector service. Run `/usr/bin/otelcol --help` to see all available options.
+OTELCOL_OPTIONS="--config /etc/otel/collector/splunk_config.yaml"
+
+# Access token to authenticate requests.
+SPLUNK_ACCESS_TOKEN=12345
+
+# Which realm to send the data to.
+SPLUNK_REALM=us0
+
+# How much memory to allocate to the ballast. This should be set to 1/3 to 1/2 of configured memory.
+SPLUNK_BALLAST=683

internal/buildscripts/packaging/fpm/splunk_env.sh.example

@@ -50,7 +50,7 @@ if $docker_exec systemctl --no-pager status $SERVICE_NAME; then
 fi
 
 # start the service with the sample env file
-$docker_exec cp /etc/otel/collector/splunk_env.sh.example /etc/otel/collector/splunk_env.sh
+$docker_exec cp /etc/otel/collector/splunk_env.example /etc/otel/collector/splunk_env
 $docker_exec systemctl daemon-reload
 $docker_exec systemctl start splunk-otel-collector.service