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feat: enforce env vars with run.sh to start prometheus #104

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feat: enforce env vars with run.sh to start prometheus #104

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5 changes: 4 additions & 1 deletion docker-compose.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -152,9 +152,12 @@ services:
image: prom/prometheus:${PROMETHEUS_VERSION:-v2.46.0}
user: ":"
networks: [dvnode]
environment:
PROM_REMOTE_WRITE_TOKEN: ${PROM_REMOTE_WRITE_TOKEN}
volumes:
- ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
- ./prometheus:/etc/prometheus
- ./data/prometheus:/prometheus
entrypoint: /etc/prometheus/run.sh
restart: unless-stopped

grafana:
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0 prometheus/prometheus.yml → prometheus/prometheus.yml.example
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13 changes: 13 additions & 0 deletions prometheus/run.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
#!/bin/sh

if [ -z "$PROM_REMOTE_WRITE_TOKEN" ]
then
echo "\$PROM_REMOTE_WRITE_TOKEN variable is empty" >&2
exit 1
fi

sed "s|\$PROM_REMOTE_WRITE_TOKEN|${PROM_REMOTE_WRITE_TOKEN}|g" \
/etc/prometheus/prometheus.yml.example > /etc/prometheus/prometheus.yml

/bin/prometheus \
--config.file=/etc/prometheus/prometheus.yml