Check whether the infra dependencies are ready before E2E test (#870)

Fixes #848

.github/scripts/check-infra-dependencies.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+set -eou pipefail
+
+usage() {
+    echo "${0} <INFRA_NAME> 'CHECK WHETHER THE SPECIFIED INFRA DEPENDENCE IS READY"
+}
+
+if [ "$#" -ne 1 ] || [ -z "$1" ]; then
+    echo "Error: Missing the infra name which needs to check"
+    usage
+    exit 1
+fi
+
+
+# infra is one of 'mysql', 'redis', 'mailhog', 'saml_idp'.
+# use 'all' to check all these infras.
+INFRA_NAME=${1}
+INFRAS=()
+RETRYNUM=10
+
+if [ "$INFRA_NAME" == "all" ]; then
+    INFRAS=("mysql" "redis" "mailhog" "saml_idp")
+else
+    INFRAS=("$INFRA_NAME")
+fi
+
+checkInfraFun() {
+    INFRA=$1
+    echo "check whether the $INFRA is ready"
+    if [ "$INFRA" == "mysql" ]; then
+        ! docker-compose exec -T mysql_test bash -c 'echo "SHOW DATABASES;" | mysql -uroot -ptoor' && return 1
+        echo "mysql is ready!"
+    elif [ "$INFRA" == "redis" ]; then
+        ! docker-compose exec -T redis bash -c "redis-cli ping" && return 1
+        echo "redis is ready!"
+    elif [ "$INFRA" == "mailhog" ]; then
+        echo "TODO"
+        echo "mailhog is ready!"
+    elif [ "$INFRA" == "saml_idp" ]; then
+        echo "TODO"
+        echo "saml_idp is ready!"
+    fi
+}
+
+for INFRA in ${INFRAS[@]}; do
+    n=0
+    success=false
+    until [ "$n" -ge $RETRYNUM ]; do
+        checkInfraFun $INFRA && success=true && break
+        n=$((n+1))
+        sleep 1 
+    done
+
+    if [ ! $success ]; then
+        exit 1
+    fi
+done

.github/workflows/test.yml

@@ -66,6 +66,7 @@ jobs:
 
     - name: Run E2E Tests
       run: |
+        .github/scripts/check-infra-dependencies.sh all
         make e2e-reset-db
         make e2e-serve &
         sleep 3