solana/scripts/configure-metrics.sh

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# |source| this file
#
# The SOLANA_METRICS_CONFIG environment variable is formatted as a
# comma-delimited list of parameters. All parameters are optional.
#
# Example:
# export SOLANA_METRICS_CONFIG="host=<metrics host>,db=<database name>,u=<username>,p=<password>"
#
# The following directive disable complaints about unused variables in this
# file:
# shellcheck disable=2034
#
configureMetrics() {
[[ -n $SOLANA_METRICS_CONFIG ]] || return 0
declare metricsParams
IFS=',' read -r -a metricsParams <<< "$SOLANA_METRICS_CONFIG"
for param in "${metricsParams[@]}"; do
IFS='=' read -r -a pair <<< "$param"
if [[ ${#pair[@]} != 2 ]]; then
echo Error: invalid metrics parameter: "$param" >&2
else
declare name="${pair[0]}"
declare value="${pair[1]}"
case "$name" in
host)
export INFLUX_HOST="$value"
echo INFLUX_HOST="$INFLUX_HOST" >&2
;;
db)
export INFLUX_DATABASE="$value"
echo INFLUX_DATABASE="$INFLUX_DATABASE" >&2
;;
u)
export INFLUX_USERNAME="$value"
echo INFLUX_USERNAME="$INFLUX_USERNAME" >&2
;;
p)
export INFLUX_PASSWORD="$value"
echo INFLUX_PASSWORD="********" >&2
;;
*)
echo Error: Unknown metrics parameter name: "$name" >&2
;;
esac
fi
done
}
configureMetrics
metricsWriteDatapoint="$(dirname "${BASH_SOURCE[0]}")"/metrics-write-datapoint.sh