Make the delay we wait for MinIO start configurable (#45)

* Make the delay we wait for MinIO start configurable

* fix: update after review

bitnami/minio/2021/debian-10/rootfs/opt/bitnami/scripts/libminio.sh

@@ -76,6 +76,52 @@ is_minio_running() {
     fi
 }
 
+########################
+# Check if MinIO is live
+# Globals:
+#   MINIO_PID
+# Arguments:
+#   None
+# Returns:
+#   Boolean
+########################
+is_minio_live() {
+    local status_code
+    if [[ -z "${MINIO_PID:-}" ]]; then
+        false
+    else
+        if ! is_service_running "$MINIO_PID"; then
+            false
+        else
+            # We use cURL because we need to check the liveness before the client is configured
+            status_code=$(curl --write-out '%{http_code}' --silent --output /dev/null "${MINIO_SCHEME}://127.0.0.1:${MINIO_API_PORT_NUMBER}/minio/health/live")
+            if [[ "$status_code" = "200" ]]; then
+                true
+            else
+                false
+            fi
+        fi
+    fi
+}
+
+########################
+# Wait for MinIO start
+# Globals:
+#   MINIO_STARTUP_TIMEOUT
+# Arguments:
+#   None
+# Returns:
+#   None
+########################
+wait_for_minio() {
+    local waited_time
+    waited_time=0
+    while ! is_minio_live && [[ "$waited_time" -lt "$MINIO_STARTUP_TIMEOUT" ]]; do
+        sleep 5
+        waited_time=$((waited_time+5))
+    done
+}
+
 ########################
 # Start MinIO in background and wait until it's ready
 # Globals:
@@ -111,7 +157,7 @@ minio_start_bg() {
         "${exec}" "${args[@]}" >/dev/null 2>&1 &
     fi
     export MINIO_PID="$!"
-    sleep 10
+    wait_for_minio
 }
 
 ########################

bitnami/minio/2021/debian-10/rootfs/opt/bitnami/scripts/minio-env.sh

@@ -66,6 +66,7 @@ export MINIO_SCHEME="${MINIO_SCHEME:-http}"
 export MINIO_SKIP_CLIENT="${MINIO_SKIP_CLIENT:-no}"
 export MINIO_DISTRIBUTED_MODE_ENABLED="${MINIO_DISTRIBUTED_MODE_ENABLED:-no}"
 export MINIO_DEFAULT_BUCKETS="${MINIO_DEFAULT_BUCKETS:-}"
+export MINIO_STARTUP_TIMEOUT=${MINIO_STARTUP_TIMEOUT:-10}
 
 # MinIO security
 export MINIO_FORCE_NEW_KEYS="${MINIO_FORCE_NEW_KEYS:-no}"