96 lines
2.6 KiB
Bash
96 lines
2.6 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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# --------------------------------------------------
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# Config
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# --------------------------------------------------
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BACKUP_DATE="$(date +%Y-%m-%d)"
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TMP_DIR="/tmp/backup-${BACKUP_DATE}"
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K8S_STORAGE="/k8s_storage"
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S3_BASE="s3://mist-backups/${BACKUP_DATE}"
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POSTGRES_NAMESPACE="default"
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POSTGRES_POD_LABEL="app=postgres"
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POSTGRES_USER="postgres"
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POSTGRES_DB="stripe_invoice"
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mkdir -p "$TMP_DIR/postgres"
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echo "=== Backup date: $BACKUP_DATE ==="
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# --------------------------------------------------
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# 1. Discover schemas (for documentation)
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# --------------------------------------------------
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echo "=== Discovering Postgres schemas ==="
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POSTGRES_POD="$(kubectl get pods -n "$POSTGRES_NAMESPACE" \
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-l "$POSTGRES_POD_LABEL" \
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-o jsonpath='{.items[0].metadata.name}')"
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SCHEMAS="$(kubectl exec -n "$POSTGRES_NAMESPACE" "$POSTGRES_POD" -- \
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psql -U "$POSTGRES_USER" -d "$POSTGRES_DB" -Atc \
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"SELECT schema_name FROM information_schema.schemata
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WHERE schema_name NOT IN ('pg_catalog', 'information_schema')
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ORDER BY schema_name;")"
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# Write README
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{
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echo "Database: ${POSTGRES_DB}"
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echo "Schemas:"
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for s in $SCHEMAS; do
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echo "- $s"
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done
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echo
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echo "Backup date: ${BACKUP_DATE}"
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echo "Host: mist"
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} > "$TMP_DIR/postgres/README.txt"
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echo "✓ Schemas documented"
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# --------------------------------------------------
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# 2. Postgres logical backup (FULL DB)
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# --------------------------------------------------
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echo "=== Dumping Postgres database ==="
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kubectl exec -n "$POSTGRES_NAMESPACE" "$POSTGRES_POD" -- \
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pg_dump -U "$POSTGRES_USER" "$POSTGRES_DB" \
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| gzip > "$TMP_DIR/postgres/stripe_invoice.sql.gz"
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echo "✓ Postgres dump complete"
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# --------------------------------------------------
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# 3. Filesystem backup (best-effort)
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# --------------------------------------------------
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echo "=== Archiving /k8s_storage ==="
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tar \
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--ignore-failed-read \
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--warning=no-file-changed \
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-czf "$TMP_DIR/k8s_storage.tar.gz" \
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-C "$K8S_STORAGE" .
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echo "✓ Filesystem archive complete"
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# --------------------------------------------------
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# 4. Upload to S3
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# --------------------------------------------------
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echo "=== Uploading to S3 ==="
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aws s3 cp "$TMP_DIR/k8s_storage.tar.gz" \
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"${S3_BASE}/k8s_storage.tar.gz"
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aws s3 cp "$TMP_DIR/postgres/stripe_invoice.sql.gz" \
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"${S3_BASE}/postgres/stripe_invoice.sql.gz"
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aws s3 cp "$TMP_DIR/postgres/README.txt" \
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"${S3_BASE}/postgres/README.txt"
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echo "✓ Upload complete"
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# --------------------------------------------------
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# 5. Cleanup
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# --------------------------------------------------
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rm -rf "$TMP_DIR"
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echo "=== Backup finished successfully ==="
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