--- a/contrib/automation/hgautomation/aws.py	Fri Apr 19 05:20:33 2019 -0700
+++ b/contrib/automation/hgautomation/aws.py	Sat Apr 27 11:38:58 2019 -0700
@@ -196,7 +196,7 @@
         if ensure_ec2_state:
             ensure_key_pairs(automation.state_path, self.ec2resource)
             self.security_groups = ensure_security_groups(self.ec2resource)
-            ensure_iam_state(self.iamresource)
+            ensure_iam_state(self.iamclient, self.iamresource)
 
     def key_pair_path_private(self, name):
         """Path to a key pair private key file."""
@@ -325,7 +325,7 @@
     profile.delete()
 
 
-def ensure_iam_state(iamresource, prefix='hg-'):
+def ensure_iam_state(iamclient, iamresource, prefix='hg-'):
     """Ensure IAM state is in sync with our canonical definition."""
 
     remote_profiles = {}
@@ -361,6 +361,10 @@
             InstanceProfileName=actual)
         remote_profiles[name] = profile
 
+        waiter = iamclient.get_waiter('instance_profile_exists')
+        waiter.wait(InstanceProfileName=actual)
+        print('IAM instance profile %s is available' % actual)
+
     for name in sorted(set(IAM_ROLES) - set(remote_roles)):
         entry = IAM_ROLES[name]
 
@@ -373,6 +377,10 @@
             AssumeRolePolicyDocument=ASSUME_ROLE_POLICY_DOCUMENT,
         )
 
+        waiter = iamclient.get_waiter('role_exists')
+        waiter.wait(RoleName=actual)
+        print('IAM role %s is available' % actual)
+
         remote_roles[name] = role
 
         for arn in entry['policy_arns']:

--- a/contrib/automation/requirements.txt	Fri Apr 19 05:20:33 2019 -0700
+++ b/contrib/automation/requirements.txt	Sat Apr 27 11:38:58 2019 -0700
@@ -8,46 +8,46 @@
     --hash=sha256:2f1adbb7546ed199e3c90ef23ec95c5cf3585bac7d11fb7eb562a3fe89c64e87 \
     --hash=sha256:9d5c20441baf0cb60a4ac34cc447c6c189024b6b4c6cd7877034f4965c464e49 \
     # via cryptography
-boto3==1.9.111 \
-    --hash=sha256:06414c75d1f62af7d04fd652b38d1e4fd3cfd6b35bad978466af88e2aaecd00d \
-    --hash=sha256:f3b77dff382374773d02411fa47ee408f4f503aeebd837fd9dc9ed8635bc5e8e
-botocore==1.12.111 \
-    --hash=sha256:6af473c52d5e3e7ff82de5334e9fee96b2d5ec2df5d78bc00cd9937e2573a7a8 \
-    --hash=sha256:9f5123c7be704b17aeacae99b5842ab17bda1f799dd29134de8c70e0a50a45d7 \
+boto3==1.9.137 \
+    --hash=sha256:882cc4869b47b51dae4b4a900769e72171ff00e0b6bca644b2d7a7ad7378f324 \
+    --hash=sha256:cd503a7e7a04f1c14d2801f9727159dfa88c393b4004e98940fa4aa205d920c8
+botocore==1.12.137 \
+    --hash=sha256:0d95794f6b1239c75e2c5f966221bcd4b68020fddb5676f757531eedbb612ed8 \
+    --hash=sha256:3213cf48cf2ceee10fc3b93221f2cd1c38521cca7584f547d5c086213cc60f35 \
     # via boto3, s3transfer
 certifi==2019.3.9 \
     --hash=sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5 \
     --hash=sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae \
     # via requests
-cffi==1.12.2 \
-    --hash=sha256:00b97afa72c233495560a0793cdc86c2571721b4271c0667addc83c417f3d90f \
-    --hash=sha256:0ba1b0c90f2124459f6966a10c03794082a2f3985cd699d7d63c4a8dae113e11 \
-    --hash=sha256:0bffb69da295a4fc3349f2ec7cbe16b8ba057b0a593a92cbe8396e535244ee9d \
-    --hash=sha256:21469a2b1082088d11ccd79dd84157ba42d940064abbfa59cf5f024c19cf4891 \
-    --hash=sha256:2e4812f7fa984bf1ab253a40f1f4391b604f7fc424a3e21f7de542a7f8f7aedf \
-    --hash=sha256:2eac2cdd07b9049dd4e68449b90d3ef1adc7c759463af5beb53a84f1db62e36c \
-    --hash=sha256:2f9089979d7456c74d21303c7851f158833d48fb265876923edcb2d0194104ed \
-    --hash=sha256:3dd13feff00bddb0bd2d650cdb7338f815c1789a91a6f68fdc00e5c5ed40329b \
-    --hash=sha256:4065c32b52f4b142f417af6f33a5024edc1336aa845b9d5a8d86071f6fcaac5a \
-    --hash=sha256:51a4ba1256e9003a3acf508e3b4f4661bebd015b8180cc31849da222426ef585 \
-    --hash=sha256:59888faac06403767c0cf8cfb3f4a777b2939b1fbd9f729299b5384f097f05ea \
-    --hash=sha256:59c87886640574d8b14910840327f5cd15954e26ed0bbd4e7cef95fa5aef218f \
-    --hash=sha256:610fc7d6db6c56a244c2701575f6851461753c60f73f2de89c79bbf1cc807f33 \
-    --hash=sha256:70aeadeecb281ea901bf4230c6222af0248c41044d6f57401a614ea59d96d145 \
-    --hash=sha256:71e1296d5e66c59cd2c0f2d72dc476d42afe02aeddc833d8e05630a0551dad7a \
-    --hash=sha256:8fc7a49b440ea752cfdf1d51a586fd08d395ff7a5d555dc69e84b1939f7ddee3 \
-    --hash=sha256:9b5c2afd2d6e3771d516045a6cfa11a8da9a60e3d128746a7fe9ab36dfe7221f \
-    --hash=sha256:9c759051ebcb244d9d55ee791259ddd158188d15adee3c152502d3b69005e6bd \
-    --hash=sha256:b4d1011fec5ec12aa7cc10c05a2f2f12dfa0adfe958e56ae38dc140614035804 \
-    --hash=sha256:b4f1d6332339ecc61275bebd1f7b674098a66fea11a00c84d1c58851e618dc0d \
-    --hash=sha256:c030cda3dc8e62b814831faa4eb93dd9a46498af8cd1d5c178c2de856972fd92 \
-    --hash=sha256:c2e1f2012e56d61390c0e668c20c4fb0ae667c44d6f6a2eeea5d7148dcd3df9f \
-    --hash=sha256:c37c77d6562074452120fc6c02ad86ec928f5710fbc435a181d69334b4de1d84 \
-    --hash=sha256:c8149780c60f8fd02752d0429246088c6c04e234b895c4a42e1ea9b4de8d27fb \
-    --hash=sha256:cbeeef1dc3c4299bd746b774f019de9e4672f7cc666c777cd5b409f0b746dac7 \
-    --hash=sha256:e113878a446c6228669144ae8a56e268c91b7f1fafae927adc4879d9849e0ea7 \
-    --hash=sha256:e21162bf941b85c0cda08224dade5def9360f53b09f9f259adb85fc7dd0e7b35 \
-    --hash=sha256:fb6934ef4744becbda3143d30c6604718871495a5e36c408431bf33d9c146889 \
+cffi==1.12.3 \
+    --hash=sha256:041c81822e9f84b1d9c401182e174996f0bae9991f33725d059b771744290774 \
+    --hash=sha256:046ef9a22f5d3eed06334d01b1e836977eeef500d9b78e9ef693f9380ad0b83d \
+    --hash=sha256:066bc4c7895c91812eff46f4b1c285220947d4aa46fa0a2651ff85f2afae9c90 \
+    --hash=sha256:066c7ff148ae33040c01058662d6752fd73fbc8e64787229ea8498c7d7f4041b \
+    --hash=sha256:2444d0c61f03dcd26dbf7600cf64354376ee579acad77aef459e34efcb438c63 \
+    --hash=sha256:300832850b8f7967e278870c5d51e3819b9aad8f0a2c8dbe39ab11f119237f45 \
+    --hash=sha256:34c77afe85b6b9e967bd8154e3855e847b70ca42043db6ad17f26899a3df1b25 \
+    --hash=sha256:46de5fa00f7ac09f020729148ff632819649b3e05a007d286242c4882f7b1dc3 \
+    --hash=sha256:4aa8ee7ba27c472d429b980c51e714a24f47ca296d53f4d7868075b175866f4b \
+    --hash=sha256:4d0004eb4351e35ed950c14c11e734182591465a33e960a4ab5e8d4f04d72647 \
+    --hash=sha256:4e3d3f31a1e202b0f5a35ba3bc4eb41e2fc2b11c1eff38b362de710bcffb5016 \
+    --hash=sha256:50bec6d35e6b1aaeb17f7c4e2b9374ebf95a8975d57863546fa83e8d31bdb8c4 \
+    --hash=sha256:55cad9a6df1e2a1d62063f79d0881a414a906a6962bc160ac968cc03ed3efcfb \
+    --hash=sha256:5662ad4e4e84f1eaa8efce5da695c5d2e229c563f9d5ce5b0113f71321bcf753 \
+    --hash=sha256:59b4dc008f98fc6ee2bb4fd7fc786a8d70000d058c2bbe2698275bc53a8d3fa7 \
+    --hash=sha256:73e1ffefe05e4ccd7bcea61af76f36077b914f92b76f95ccf00b0c1b9186f3f9 \
+    --hash=sha256:a1f0fd46eba2d71ce1589f7e50a9e2ffaeb739fb2c11e8192aa2b45d5f6cc41f \
+    --hash=sha256:a2e85dc204556657661051ff4bab75a84e968669765c8a2cd425918699c3d0e8 \
+    --hash=sha256:a5457d47dfff24882a21492e5815f891c0ca35fefae8aa742c6c263dac16ef1f \
+    --hash=sha256:a8dccd61d52a8dae4a825cdbb7735da530179fea472903eb871a5513b5abbfdc \
+    --hash=sha256:ae61af521ed676cf16ae94f30fe202781a38d7178b6b4ab622e4eec8cefaff42 \
+    --hash=sha256:b012a5edb48288f77a63dba0840c92d0504aa215612da4541b7b42d849bc83a3 \
+    --hash=sha256:d2c5cfa536227f57f97c92ac30c8109688ace8fa4ac086d19d0af47d134e2909 \
+    --hash=sha256:d42b5796e20aacc9d15e66befb7a345454eef794fdb0737d1af593447c6c8f45 \
+    --hash=sha256:dee54f5d30d775f525894d67b1495625dd9322945e7fee00731952e0368ff42d \
+    --hash=sha256:e070535507bd6aa07124258171be2ee8dfc19119c28ca94c9dfb7efd23564512 \
+    --hash=sha256:e1ff2748c84d97b065cc95429814cdba39bcbd77c9c85c89344b317dc0d9cbff \
+    --hash=sha256:ed851c75d1e0e043cbf5ca9a8e1b13c4c90f3fbd863dacb01c0808e2b5204201 \
     # via cryptography
 chardet==3.0.4 \
     --hash=sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae \
@@ -87,9 +87,9 @@
     --hash=sha256:3720a4b1bd659dd2eecad0666459b9788813e032b83e7ba58578e48254e0a0e6 \
     --hash=sha256:bde2aef6f44302dfb30320115b17d030798de8c4110e28d5cf6cf91a7a31074c \
     # via boto3, botocore
-ntlm-auth==1.2.0 \
-    --hash=sha256:7bc02a3fbdfee7275d3dc20fce8028ed8eb6d32364637f28be9e9ae9160c6d5c \
-    --hash=sha256:9b13eaf88f16a831637d75236a93d60c0049536715aafbf8190ba58a590b023e \
+ntlm-auth==1.3.0 \
+    --hash=sha256:bb2fd03c665f0f62c5f65695b62dcdb07fb7a45df6ebc86c770be2054d6902dd \
+    --hash=sha256:ce5b4483ed761f341a538a426a71a52e5a9cf5fd834ebef1d2090f9eef14b3f8 \
     # via pypsrp
 pycparser==2.19 \
     --hash=sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3 \
@@ -113,7 +113,7 @@
     --hash=sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c \
     --hash=sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73 \
     # via cryptography, pypsrp, python-dateutil
-urllib3==1.24.1 \
-    --hash=sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39 \
-    --hash=sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22 \
+urllib3==1.24.2 \
+    --hash=sha256:4c291ca23bbb55c76518905869ef34bdd5f0e46af7afe6861e8375643ffee1a0 \
+    --hash=sha256:9a247273df709c4fedb38c711e44292304f73f39ab01beda9f6b9fc375669ac3 \
     # via botocore, requests