mirror of
https://github.com/iflytek/skillhub.git
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128 lines
4.2 KiB
Bash
Executable file
128 lines
4.2 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
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MANIFEST="$REPO_ROOT/deploy/k8s/overlays/with-infra/postgres-statefulset.yaml"
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POSTGRES_IMAGE="${POSTGRES_IMAGE:-postgres:16-alpine}"
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RUN_ID="skillhub-k8s-pgdata-$$"
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FRESH_VOLUME="${RUN_ID}-fresh"
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LEGACY_VOLUME="${RUN_ID}-legacy"
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CONTAINERS=()
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VOLUMES=("$FRESH_VOLUME" "$LEGACY_VOLUME")
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cleanup() {
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for container in "${CONTAINERS[@]}"; do
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docker stop "$container" >/dev/null 2>&1 || true
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done
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for volume in "${VOLUMES[@]}"; do
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docker volume rm "$volume" >/dev/null 2>&1 || true
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done
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}
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trap cleanup EXIT
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for command in docker sed; do
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if ! command -v "$command" >/dev/null 2>&1; then
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echo "required command not found: $command" >&2
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exit 1
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fi
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done
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POSTGRES_START_COMMAND="$(
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sed -n '/^ - |$/,/^ ports:$/p' "$MANIFEST" \
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| sed '1d;$d;s/^ //'
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)"
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if [[ -z "$POSTGRES_START_COMMAND" ]]; then
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echo "could not extract the PostgreSQL startup command from $MANIFEST" >&2
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exit 1
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fi
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wait_for_postgres() {
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local container="$1"
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for _ in $(seq 1 30); do
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# docker-entrypoint.sh briefly starts a temporary PostgreSQL process while
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# initializing a fresh cluster. Wait until PID 1 is the final server so a
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# successful readiness probe cannot race with that temporary shutdown.
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if docker exec "$container" sh -ec \
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'test "$(cat /proc/1/comm)" = postgres' >/dev/null 2>&1 \
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&& docker exec "$container" psql -U skillhub -d skillhub -Atqc \
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'SELECT 1' >/dev/null 2>&1; then
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return 0
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fi
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sleep 1
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done
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docker logs "$container" >&2
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return 1
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}
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start_postgres() {
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local container="$1"
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local volume="$2"
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local mode="${3:-default}"
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CONTAINERS+=("$container")
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if [[ "$mode" == "patched" ]]; then
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docker run --detach --rm \
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--name "$container" \
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--env POSTGRES_DB=skillhub \
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--env POSTGRES_USER=skillhub \
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--env POSTGRES_PASSWORD=storage-test \
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--volume "$volume:/var/lib/postgresql/data" \
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--entrypoint sh \
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"$POSTGRES_IMAGE" \
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-ec "$POSTGRES_START_COMMAND" >/dev/null
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else
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docker run --detach --rm \
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--name "$container" \
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--env POSTGRES_DB=skillhub \
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--env POSTGRES_USER=skillhub \
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--env POSTGRES_PASSWORD=storage-test \
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--volume "$volume:/var/lib/postgresql/data" \
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"$POSTGRES_IMAGE" >/dev/null
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fi
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wait_for_postgres "$container"
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}
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stop_postgres() {
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docker stop "$1" >/dev/null
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}
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assert_marker() {
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local container="$1"
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local expected="$2"
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local actual
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actual="$(docker exec "$container" psql -U skillhub -d skillhub -Atqc \
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'SELECT value FROM storage_upgrade_verification WHERE id = 1')"
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[[ "$actual" == "$expected" ]]
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}
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docker volume create "$FRESH_VOLUME" >/dev/null
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docker run --rm \
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--volume "$FRESH_VOLUME:/data" \
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--entrypoint sh \
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"$POSTGRES_IMAGE" \
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-ec 'mkdir -p /data/lost+found'
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start_postgres "${RUN_ID}-fresh-1" "$FRESH_VOLUME" patched
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docker exec "${RUN_ID}-fresh-1" test -f /var/lib/postgresql/data/pgdata/PG_VERSION
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docker exec "${RUN_ID}-fresh-1" psql -U skillhub -d skillhub -v ON_ERROR_STOP=1 -qc \
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"CREATE TABLE storage_upgrade_verification (id integer PRIMARY KEY, value text NOT NULL); \
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INSERT INTO storage_upgrade_verification VALUES (1, 'fresh-volume');"
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stop_postgres "${RUN_ID}-fresh-1"
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start_postgres "${RUN_ID}-fresh-2" "$FRESH_VOLUME" patched
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assert_marker "${RUN_ID}-fresh-2" "fresh-volume"
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stop_postgres "${RUN_ID}-fresh-2"
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echo "PASS: fresh volume with lost+found initializes in pgdata and survives restart"
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docker volume create "$LEGACY_VOLUME" >/dev/null
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start_postgres "${RUN_ID}-legacy-1" "$LEGACY_VOLUME"
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docker exec "${RUN_ID}-legacy-1" test -f /var/lib/postgresql/data/PG_VERSION
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docker exec "${RUN_ID}-legacy-1" psql -U skillhub -d skillhub -v ON_ERROR_STOP=1 -qc \
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"CREATE TABLE storage_upgrade_verification (id integer PRIMARY KEY, value text NOT NULL); \
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INSERT INTO storage_upgrade_verification VALUES (1, 'legacy-root');"
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stop_postgres "${RUN_ID}-legacy-1"
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start_postgres "${RUN_ID}-legacy-2" "$LEGACY_VOLUME" patched
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assert_marker "${RUN_ID}-legacy-2" "legacy-root"
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stop_postgres "${RUN_ID}-legacy-2"
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echo "PASS: legacy root-level cluster remains visible after the manifest upgrade"
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