graphql-engine/scripts/cli-migrations/docker-entrypoint.sh
Aravind Shankar 22656cefbd support metadata.json in cli-migrations image (close #1947) (#1968)
/scripts/cli-migrations/docker-entrypoint.sh only checks for metadata.yaml, however, https://docs.hasura.io/1.0/graphql/manual/migrations/manage-metadata.html#exporting-hasura-metadata talks about a metadata.json
2019-04-11 09:11:44 +05:30

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#!/bin/sh
set -e
log() {
TIMESTAMP=$(date -u "+%Y-%m-%dT%H:%M:%S.000+0000")
MESSAGE=$1
echo "{\"timestamp\":\"$TIMESTAMP\",\"level\":\"info\",\"type\":\"startup\",\"detail\":{\"kind\":\"migration-apply\",\"info\":\"$MESSAGE\"}}"
}
DEFAULT_MIGRATIONS_DIR="/hasura-migrations"
TEMP_MIGRATIONS_DIR="/tmp/hasura-migrations"
# check server port and ser default as 8080
if [ -z ${HASURA_GRAPHQL_SERVER_PORT+x} ]; then
log "port env var is not set, defaulting to 8080"
HASURA_GRAPHQL_SERVER_PORT=8080
fi
# wait for a port to be ready
wait_for_port() {
local PORT=$1
log "waiting 30s for $PORT to be ready"
for i in `seq 1 30`;
do
nc localhost $PORT > /dev/null 2>&1 && log "port $PORT is ready" && return
sleep 1
done
log "failed waiting for $PORT" && exit 1
}
log "starting graphql engine temporarily on port $HASURA_GRAPHQL_SERVER_PORT"
# start graphql engine
graphql-engine serve &
# store the pid to kill it later
PID=$!
# wait for port to be ready
wait_for_port $HASURA_GRAPHQL_SERVER_PORT
# check if migration directory is set, default otherwise
log "checking for migrations directory"
if [ -z ${HASURA_GRAPHQL_MIGRATIONS_DIR+x} ]; then
log "env var HASURA_GRAPHQL_MIGRATIONS_DIR is not set, defaulting to $DEFAULT_MIGRATIONS_DIR"
HASURA_GRAPHQL_MIGRATIONS_DIR="$DEFAULT_MIGRATIONS_DIR"
fi
# apply migrations if the directory exist
if [ -d "$HASURA_GRAPHQL_MIGRATIONS_DIR" ]; then
log "applying migrations from $HASURA_GRAPHQL_MIGRATIONS_DIR"
mkdir -p "$TEMP_MIGRATIONS_DIR"
cp -a "$HASURA_GRAPHQL_MIGRATIONS_DIR/." "$TEMP_MIGRATIONS_DIR/migrations/"
cd "$TEMP_MIGRATIONS_DIR"
echo "endpoint: http://localhost:$HASURA_GRAPHQL_SERVER_PORT" > config.yaml
hasura-cli migrate apply
# check if metadata.[yaml|json] exist and apply
if [ -f migrations/metadata.yaml ]; then
log "applying metadata from $HASURA_GRAPHQL_MIGRATIONS_DIR/metadata.yaml"
hasura-cli metadata apply
elif [ -f migrations/metadata.json ]; then
log "applying metadata from $HASURA_GRAPHQL_MIGRATIONS_DIR/metadata.json"
hasura-cli metadata apply
fi
else
log "directory $HASURA_GRAPHQL_MIGRATIONS_DIR does not exist, skipping migrations"
fi
# kill graphql engine that we started earlier
log "killing temporary server"
kill $PID
# pass control to CMD
log "graphql-engine will now start in normal mode"
exec "$@"