Initial commit of users role

Change-Id: I808c990019b059e0a412986d9b4c010689255581
diff --git a/vars/Debian.yml b/vars/Debian.yml
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+++ b/vars/Debian.yml
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+---
+# users vars/Debian.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+#
+# NOTE: Only put platform/OS-specific variables in this file.
+# Put all other variables in the 'defaults/main.yml' file.
+
+users_os_sudoers_group: "sudo"
+
+users_os_pw_type: "sha512crypt"
diff --git a/vars/OpenBSD.yml b/vars/OpenBSD.yml
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+++ b/vars/OpenBSD.yml
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+---
+# users vars/Debian.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+#
+# NOTE: Only put platform/OS-specific variables in this file.
+# Put all other variables in the 'defaults/main.yml' file.
+
+users_os_sudoers_group: "wheel"
+
+users_os_pw_type: "bcrypt"
diff --git a/vars/Redhat.yml b/vars/Redhat.yml
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+++ b/vars/Redhat.yml
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+---
+# users vars/Redhat.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+#
+# NOTE: Only put platform/OS-specific variables in this file.
+# Put all other variables in the 'defaults/main.yml' file.
+
+users_os_sudoers_group: "wheel"
+
+users_os_pw_type: "sha512crypt"