13458fac56
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Move the postgres and clickhouse backup/restore hook logic out of inline compose labels into dedicated pg_backup.sh / clickhouse_backup.sh config scripts (the pattern other recipes use), and trim the verbose explanatory comments down to the essential rationale, now living in the scripts.
60 lines
2.0 KiB
Bash
60 lines
2.0 KiB
Bash
#!/bin/bash
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# Install clickhouse-backup (powers this recipe's backup/restore hooks) before starting the
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# server. The binary is cached on the persistent volume keyed by version (downloaded at most
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# once per app) and fetched with bounded retries + a read timeout; the binary is verified before
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# being trusted or cached. If it truly cannot be installed the deploy fails loudly rather than
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# silently shipping broken backups.
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set -e
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CLICKHOUSE_BACKUP_VERSION=2.4.2
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ARCH=$(uname -m)
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if [[ $ARCH =~ "aarch64" ]]; then
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ARCH="arm64"
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elif [[ $ARCH =~ "armv5l" ]]; then
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ARCH="armv5"
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elif [[ $ARCH =~ "armv6l" ]]; then
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ARCH="armv6"
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elif [[ $ARCH =~ "armv7l" ]]; then
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ARCH="armv7"
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elif [[ $ARCH =~ "x86_64" ]]; then
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ARCH="amd64"
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fi
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CACHE_DIR=/var/lib/clickhouse/.ccci-bin
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CACHED="${CACHE_DIR}/clickhouse-backup-v${CLICKHOUSE_BACKUP_VERSION}"
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BIN=/usr/local/bin/clickhouse-backup
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URL="https://github.com/Altinity/clickhouse-backup/releases/download/v${CLICKHOUSE_BACKUP_VERSION}/clickhouse-backup-linux-${ARCH}.tar.gz"
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binary_ok() {
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"$1" --version >/dev/null 2>&1
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}
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install_clickhouse_backup() {
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mkdir -p "$CACHE_DIR"
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if [ -x "$CACHED" ] && binary_ok "$CACHED"; then
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cp -f "$CACHED" "$BIN"
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echo "clickhouse-backup: using verified cached binary ($CACHED)"
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return 0
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fi
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rm -f "$CACHED" # absent or fails to execute — re-fetch
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for attempt in 1 2 3 4 5; do
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if wget -T 30 --continue --output-document=/tmp/clickhouse-backup.tar.gz "$URL" \
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&& tar -xf /tmp/clickhouse-backup.tar.gz --directory=/usr/local/bin --strip-components=3 \
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&& binary_ok "$BIN"; then
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cp -f "$BIN" "$CACHED" 2>/dev/null || true
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echo "clickhouse-backup: downloaded, verified + cached (attempt ${attempt})"
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return 0
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fi
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echo "clickhouse-backup: fetch attempt ${attempt}/5 failed" >&2
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[ "$attempt" -lt 5 ] && sleep $((attempt * 10))
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done
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echo "clickhouse-backup: could not install after 5 attempts — failing the deploy (without it backup/restore would be silently broken)" >&2
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return 1
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}
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install_clickhouse_backup
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exec /entrypoint.sh
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