Poor-man implementation of waiting

launch.sh

 #! /bin/sh -xe
 ./terraform apply -auto-approve "$@"
 ./terraform output -json > config.json
-echo 'Sleeping...'
-sleep 60
-echo "Press <ENTER> to continue..."
-read x
 ./orchestrate.py -c config.json

orchestrate.py

@@ -6,8 +6,9 @@ import json
 import os
 import subprocess
 import sys
+import time
 
-DEFAULT_ACTIONS = ['files', 'init', 'check']
+DEFAULT_ACTIONS = ['files', 'ping', 'init', 'wait']
 
 parser = argparse.ArgumentParser(description='terraform cluster orchestrator')
 parser.add_argument('-c', '--config',
@@ -89,6 +90,31 @@ ff02::2 ip6-allrouters
     if component:
         component.action('files')
 
+if 'ping' in args.actions:
+    print('== ping ==')
+    if not args.dry_run:
+        print('-> (ping) ', end='')
+        ret = None
+        while ret is None or ret != 0:
+            print('.', end='')
+            ret = subprocess.call(['ping', '-c', '1', '-i', '2', master_ip])
+        print('')
+        cmd = ['ssh-keygen', '-R', master_ip]
+        print('-> %s' % ' '.join(cmd))
+        subprocess.run(cmd)
+        cmd = ['ssh', '%s@%s' % (user, master_ip), '-o', 'ConnectTimeout=5', '-o',
+               'StrictHostKeyChecking=no', ':']
+        ret = None
+        while ret is None or ret != 0:
+            print('-> %s' % ' '.join(cmd))
+            ret = subprocess.call(cmd)
+            time.sleep(2)
+        print('')
+        print('-> sleep %d' % 10 + 5 * n)
+        time.sleep(10 + 5 * n)
+    if component:
+        component.action('ping')
+
 if 'init' in args.actions:
     print('== init ==')
 
@@ -122,11 +148,13 @@ if 'init' in args.actions:
     if component:
         component.action('init')
 
-if 'check' in args.actions:
-    print('== check ==')
+if 'wait' in args.actions:
+    print('== wait ==')
 
     commands = [
-        ['ansible', '-i', './inventory', '-m', 'command', '-a', 'uname -a', 'all']
+        ['ansible', '-i', './inventory', '-m', 'command', '-a', 'uname -a', 'all'],
+        ['ansible', '-i', './inventory', '-m', 'shell', '-a',
+         'while ! test -f /var/lib/cloud/instance/boot-finished; do sleep 2; done', 'all'],
     ]
 
     for cmd in commands:
@@ -134,4 +162,4 @@ if 'check' in args.actions:
         if not args.dry_run:
             subprocess.run(cmd)
     if component:
-        component.action('check')
+        component.action('wait')