Create Helm Instantiation

[aaf/authz.git] / auth / sample / bin / pod_wait.sh

diff --git a/auth/sample/bin/pod_wait.sh b/auth/sample/bin/pod_wait.sh
new file mode 100644 (file)
index 0000000..71773be
--- /dev/null
+++ b/auth/sample/bin/pod_wait.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+#
+# A Script for use in Pods... Check for status files, and validate before moving on.
+#
+DIR="/opt/app/aaf/status"
+APP=$1
+shift
+OTHER=$1
+shift
+
+function status {
+  if [ -d "$DIR" ]; then
+     echo "$@" > $DIR/$APP
+  fi
+}
+
+echo $APP $OTHER
+
+function check {
+  if [ -d "$DIR" ]; then
+    if [ -e "$DIR/$OTHER" ]; then
+      echo "$(cat $DIR/$OTHER)"
+    else 
+      echo "$DIR/$OTHER does not exist"
+    fi
+  else 
+    echo "$DIR does not exist"
+  fi
+}
+
+echo "App $APP is waiting to start until $OTHER is ready"
+status "waiting for $OTHER"
+
+n=0
+while [ $n -lt 40  ]; do 
+   rv="$(check)"
+   echo "$OTHER is $rv"
+   if [ "$rv" = "ready" ]; then
+     # This is critical.  Until status is literally "ready" in the status directory, no processes will start
+     status ready
+     echo "Starting $@"
+     n=10000
+   else 
+     (( ++n )) 
+     echo "Sleep 10 (iteration $n)"
+     sleep 10
+   fi
+done
+
+eval "$@"