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| 1 | +#!/bin/sh |
| 2 | +# automated smoke test for the mysql (mariadb) container |
| 3 | +# builds the image, starts it standalone, waits for mariadb to accept |
| 4 | +# connections and then does a REAL db round-trip (create/insert/select) |
| 5 | +set -eu |
| 6 | + |
| 7 | +IMAGE=mysql-test |
| 8 | +NAME=mysql-test-run |
| 9 | + |
| 10 | +ADMIN_USER=admin |
| 11 | +ADMIN_PASSWORD=adminsecret |
| 12 | +DB_NAME=testdb |
| 13 | +DB_USER=testuser |
| 14 | +DB_PASSWORD=testsecret |
| 15 | + |
| 16 | +FAILED=0 |
| 17 | +fail() { |
| 18 | + echo "FAIL: $*" >&2 |
| 19 | + FAILED=1 |
| 20 | +} |
| 21 | + |
| 22 | +cleanup() { |
| 23 | + echo ">> cleanup: removing container $NAME" |
| 24 | + docker rm -f "$NAME" >/dev/null 2>&1 || true |
| 25 | +} |
| 26 | +trap cleanup EXIT INT TERM |
| 27 | + |
| 28 | +# run a query as the given user, printing the result (no column headers) |
| 29 | +# usage: q <user> <password> <sql> [db] |
| 30 | +q() { |
| 31 | + _u="$1"; _p="$2"; _sql="$3"; _db="${4:-}" |
| 32 | + docker exec "$NAME" mysql -u"$_u" -p"$_p" -N -B ${_db:+"$_db"} -e "$_sql" 2>/dev/null |
| 33 | +} |
| 34 | + |
| 35 | +echo ">> building image $IMAGE" |
| 36 | +docker build -t "$IMAGE" . |
| 37 | + |
| 38 | +echo ">> (re)starting container $NAME" |
| 39 | +docker rm -f "$NAME" >/dev/null 2>&1 || true |
| 40 | +docker run -d --name "$NAME" \ |
| 41 | + -e ADMIN_USER="$ADMIN_USER" \ |
| 42 | + -e ADMIN_PASSWORD="$ADMIN_PASSWORD" \ |
| 43 | + -e DB_NAME="$DB_NAME" \ |
| 44 | + -e DB_USER="$DB_USER" \ |
| 45 | + -e DB_PASSWORD="$DB_PASSWORD" \ |
| 46 | + "$IMAGE" |
| 47 | + |
| 48 | +# wait until the admin user can actually run a query (mariadb init takes a while) |
| 49 | +echo ">> waiting for mariadb to accept connections (up to ~120s)" |
| 50 | +READY=0 |
| 51 | +i=0 |
| 52 | +while [ "$i" -lt 60 ]; do |
| 53 | + if ! docker ps --format '{{.Names}}' | grep -q "^${NAME}$"; then |
| 54 | + echo "!! container is not running anymore, dumping logs:" >&2 |
| 55 | + docker logs "$NAME" >&2 2>&1 || true |
| 56 | + fail "container exited during startup" |
| 57 | + break |
| 58 | + fi |
| 59 | + if [ "$(q "$ADMIN_USER" "$ADMIN_PASSWORD" 'SELECT 1')" = "1" ]; then |
| 60 | + READY=1 |
| 61 | + break |
| 62 | + fi |
| 63 | + i=$((i + 1)) |
| 64 | + sleep 2 |
| 65 | +done |
| 66 | + |
| 67 | +if [ "$READY" -ne 1 ] && [ "$FAILED" -eq 0 ]; then |
| 68 | + echo "!! mariadb did not accept connections in time, dumping logs:" >&2 |
| 69 | + docker logs "$NAME" >&2 2>&1 || true |
| 70 | + fail "timed out waiting for mariadb" |
| 71 | +fi |
| 72 | + |
| 73 | +# only run the deeper assertions if the db is up |
| 74 | +if [ "$READY" -eq 1 ]; then |
| 75 | + |
| 76 | + echo ">> assert: admin user works" |
| 77 | + if [ "$(q "$ADMIN_USER" "$ADMIN_PASSWORD" 'SELECT 42')" = "42" ]; then |
| 78 | + echo "ok - admin user can query" |
| 79 | + else |
| 80 | + fail "admin user could not run a query" |
| 81 | + fi |
| 82 | + |
| 83 | + # the auto-created db/user is provisioned asynchronously by the entrypoint, |
| 84 | + # so wait until the app user can connect to its database |
| 85 | + echo ">> waiting for auto-created db '$DB_NAME' + user '$DB_USER'" |
| 86 | + DBREADY=0 |
| 87 | + j=0 |
| 88 | + while [ "$j" -lt 30 ]; do |
| 89 | + if [ "$(q "$DB_USER" "$DB_PASSWORD" 'SELECT 1' "$DB_NAME")" = "1" ]; then |
| 90 | + DBREADY=1 |
| 91 | + break |
| 92 | + fi |
| 93 | + j=$((j + 1)) |
| 94 | + sleep 2 |
| 95 | + done |
| 96 | + if [ "$DBREADY" -eq 1 ]; then |
| 97 | + echo "ok - db user can connect to '$DB_NAME'" |
| 98 | + else |
| 99 | + fail "db user '$DB_USER' could not connect to '$DB_NAME'" |
| 100 | + fi |
| 101 | + |
| 102 | + if [ "$DBREADY" -eq 1 ]; then |
| 103 | + echo ">> assert: real round-trip (CREATE TABLE / INSERT / SELECT) as db user" |
| 104 | + q "$DB_USER" "$DB_PASSWORD" \ |
| 105 | + 'CREATE TABLE roundtrip (id INT PRIMARY KEY, name VARCHAR(32));' "$DB_NAME" |
| 106 | + q "$DB_USER" "$DB_PASSWORD" \ |
| 107 | + "INSERT INTO roundtrip (id, name) VALUES (1, 'servercontainers');" "$DB_NAME" |
| 108 | + GOT=$(q "$DB_USER" "$DB_PASSWORD" \ |
| 109 | + 'SELECT name FROM roundtrip WHERE id = 1;' "$DB_NAME") |
| 110 | + if [ "$GOT" = "servercontainers" ]; then |
| 111 | + echo "ok - round-trip returned expected row ('$GOT')" |
| 112 | + else |
| 113 | + fail "round-trip did not return expected row (got: '$GOT')" |
| 114 | + fi |
| 115 | + |
| 116 | + echo ">> assert: admin can see the app database" |
| 117 | + if q "$ADMIN_USER" "$ADMIN_PASSWORD" 'SHOW DATABASES;' | grep -q "^${DB_NAME}$"; then |
| 118 | + echo "ok - admin sees database '$DB_NAME'" |
| 119 | + else |
| 120 | + fail "admin does not see database '$DB_NAME'" |
| 121 | + fi |
| 122 | + fi |
| 123 | + |
| 124 | +fi |
| 125 | + |
| 126 | +echo |
| 127 | +if [ "$FAILED" -eq 0 ]; then |
| 128 | + echo "ALL TESTS PASSED" |
| 129 | + exit 0 |
| 130 | +else |
| 131 | + echo "SOME TESTS FAILED" |
| 132 | + exit 1 |
| 133 | +fi |
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