feat: improve CLI error handling and docker-compose execution

Author: gustavosbarreto

bin/cli

@@ -3,8 +3,19 @@
 # CLI script is a inferface to executes commands on the CLI service.
 # The CLI service contains a set of commands to manage users, namesapces and members.
 
+exit_with_error() {
+    echo "ERROR: ShellHub is not running. Exiting."
+    exit 1
+}
+
 . "$(dirname "$0")/utils"
 
+cd $(dirname $(readlink_f $0))/../
+
 DOCKER_COMPOSE=$(evaluate_docker_compose)
+SERVICES=$($DOCKER_COMPOSE ps --format '{{.Service}}' | tr '\n' ' ')
+
+[ -z "$SERVICES" ] && exit_with_error
+echo -n "$SERVICES" | awk '!(/mongo/ && /redis/ && /api/) { exit 1; }' || exit_with_error
 
-exec $DOCKER_COMPOSE run cli ./cli $@
+exec $DOCKER_COMPOSE exec cli ./cli $@

bin/docker-compose

@@ -2,32 +2,7 @@
 
 . "$(dirname "$0")/utils"
 
-readlink_f() {
-    (if uname | grep -q 'Darwin'; then
-	     # Use greadlink if available, otherwise it behaves like "readlink -f" option
-         if command -v greadlink >/dev/null 2>&1; then
-             greadlink -f "$1"
-         else
-	         target_file="$1"
-	         cd "$(dirname "$target_file")"
-	         target_file=$(basename "$target_file")
-
-	         while [ -L "$target_file" ]
-	         do
-		         target_file=$(readlink "$target_file")
-		         cd "$(dirname "$target_file")"
-		         target_file=$(basename "$target_file")
-	         done
-
-	         echo "$(pwd -P)/$target_file"
-         fi
-     else
-         readlink -f "$1"
-     fi)
-}
-
 DOCKER_COMPOSE=$(evaluate_docker_compose)
-
 WORKDIR=$(dirname $(readlink_f $0))/../
 
 cd $WORKDIR

bin/utils

@@ -23,6 +23,30 @@ evaluate_docker_compose() {
     echo "$COMPOSE_COMMAND"
 }
 
+readlink_f() {
+    (if uname | grep -q 'Darwin'; then
+	 # Use greadlink if available, otherwise it behaves like "readlink -f" option
+         if command -v greadlink >/dev/null 2>&1; then
+             greadlink -f "$1"
+         else
+	         target_file="$1"
+	         cd "$(dirname "$target_file")"
+	         target_file=$(basename "$target_file")
+
+	         while [ -L "$target_file" ]
+	         do
+		         target_file=$(readlink "$target_file")
+		         cd "$(dirname "$target_file")"
+		         target_file=$(basename "$target_file")
+	         done
+
+	         echo "$(pwd -P)/$target_file"
+         fi
+     else
+         readlink -f "$1"
+     fi)
+}
+
 set -o allexport
 
 env_override=${ENV_OVERRIDE:-./.env.override}