81 lines
2.8 KiB
Bash
Executable File
81 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# Grafana Auto-Configuration Script for Prometheus Datasource
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# This script ensures Grafana is properly configured to connect to Prometheus
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set -e
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# Default values
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GRAFANA_URL="http://localhost:3000"
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GRAFANA_USER="admin"
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GRAFANA_PASSWORD="${GRAFANA_ADMIN_PASSWORD:-admin}"
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PROMETHEUS_URL="http://prometheus:9090"
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PROMETHEUS_USER="${PROMETHEUS_USERNAME:-prometheus_user}"
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PROMETHEUS_PASSWORD="${PROMETHEUS_PASSWORD:-prometheus_password}"
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# Wait for Grafana to be ready
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echo "Waiting for Grafana to be ready..."
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until curl -s "${GRAFANA_URL}/api/health" | grep -q '"database":"ok"'; do
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sleep 5
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done
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echo "Grafana is ready!"
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# Check if Prometheus datasource already exists
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echo "Checking for existing Prometheus datasource..."
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DATASOURCES=$(curl -s -u "${GRAFANA_USER}:${GRAFANA_PASSWORD}" "${GRAFANA_URL}/api/datasources")
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if echo "$DATASOURCES" | grep -q '"name":"Prometheus"'; then
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echo "Prometheus datasource already exists. Updating configuration..."
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# Get the datasource ID
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DATASOURCE_ID=$(echo "$DATASOURCES" | grep -o '"id":[0-9]*' | head -1 | cut -d: -f2)
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# Update the datasource
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curl -s -X PUT "${GRAFANA_URL}/api/datasources/${DATASOURCE_ID}" \
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-u "${GRAFANA_USER}:${GRAFANA_PASSWORD}" \
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-H "Content-Type: application/json" \
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-d "{
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\"name\": \"Prometheus\",
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\"type\": \"prometheus\",
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\"url\": \"${PROMETHEUS_URL}\",
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\"access\": \"proxy\",
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\"basicAuth\": true,
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\"basicAuthUser\": \"${PROMETHEUS_USER}\",
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\"basicAuthPassword\": \"${PROMETHEUS_PASSWORD}\",
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\"isDefault\": true
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}"
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echo "Prometheus datasource updated successfully!"
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else
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echo "Creating Prometheus datasource..."
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# Create the datasource
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curl -s -X POST "${GRAFANA_URL}/api/datasources" \
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-u "${GRAFANA_USER}:${GRAFANA_PASSWORD}" \
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-H "Content-Type: application/json" \
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-d "{
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\"name\": \"Prometheus\",
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\"type\": \"prometheus\",
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\"url\": \"${PROMETHEUS_URL}\",
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\"access\": \"proxy\",
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\"basicAuth\": true,
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\"basicAuthUser\": \"${PROMETHEUS_USER}\",
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\"basicAuthPassword\": \"${PROMETHEUS_PASSWORD}\",
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\"isDefault\": true
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}"
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echo "Prometheus datasource created successfully!"
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fi
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# Test the datasource connection
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echo "Testing Prometheus datasource connection..."
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TEST_RESULT=$(curl -s -u "${GRAFANA_USER}:${GRAFANA_PASSWORD}" "${GRAFANA_URL}/api/datasources/1/health")
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if echo "$TEST_RESULT" | grep -q '"status":"OK"'; then
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echo "✅ Prometheus datasource connection test passed!"
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else
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echo "❌ Prometheus datasource connection test failed:"
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echo "$TEST_RESULT"
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fi
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echo "Grafana configuration completed!" |