[CORD-2045] move files from 3.0 to 4.1; include copyright

Change-Id: Ie9675d198be1b36aea818935b8f264e7f5da7ffa
(cherry picked from commit 786c4c5b11171289cbfbb6f5b12586840aef206b)
diff --git a/xos/synchronizer/Dockerfile.synchronizer b/xos/synchronizer/Dockerfile.synchronizer
new file mode 100644
index 0000000..01dbe0e
--- /dev/null
+++ b/xos/synchronizer/Dockerfile.synchronizer
@@ -0,0 +1,53 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM xosproject/xos-synchronizer-base:candidate
+
+COPY . /opt/xos/synchronizers/vhss
+
+ENTRYPOINT []
+
+WORKDIR "/opt/xos/synchronizers/vhss"
+
+# Label image
+ARG org_label_schema_schema_version=1.0
+ARG org_label_schema_name=vhss-synchronizer
+ARG org_label_schema_version=unknown
+ARG org_label_schema_vcs_url=unknown
+ARG org_label_schema_vcs_ref=unknown
+ARG org_label_schema_build_date=unknown
+ARG org_opencord_vcs_commit_date=unknown
+ARG org_opencord_component_chameleon_version=unknown
+ARG org_opencord_component_chameleon_vcs_url=unknown
+ARG org_opencord_component_chameleon_vcs_ref=unknown
+ARG org_opencord_component_xos_version=unknown
+ARG org_opencord_component_xos_vcs_url=unknown
+ARG org_opencord_component_xos_vcs_ref=unknown
+
+LABEL org.label-schema.schema-version=$org_label_schema_schema_version \
+      org.label-schema.name=$org_label_schema_name \
+      org.label-schema.version=$org_label_schema_version \
+      org.label-schema.vcs-url=$org_label_schema_vcs_url \
+      org.label-schema.vcs-ref=$org_label_schema_vcs_ref \
+      org.label-schema.build-date=$org_label_schema_build_date \
+      org.opencord.vcs-commit-date=$org_opencord_vcs_commit_date \
+      org.opencord.component.chameleon.version=$org_opencord_component_chameleon_version \
+      org.opencord.component.chameleon.vcs-url=$org_opencord_component_chameleon_vcs_url \
+      org.opencord.component.chameleon.vcs-ref=$org_opencord_component_chameleon_vcs_ref \
+      org.opencord.component.xos.version=$org_opencord_component_xos_version \
+      org.opencord.component.xos.vcs-url=$org_opencord_component_xos_vcs_url \
+      org.opencord.component.xos.vcs-ref=$org_opencord_component_xos_vcs_ref
+
+CMD bash -c "cd /opt/xos/synchronizers/vhss; ./run-from-api.sh"
+
diff --git a/xos/synchronizer/model-deps b/xos/synchronizer/model-deps
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/xos/synchronizer/model-deps
@@ -0,0 +1 @@
+{}
diff --git a/xos/synchronizer/run-from-api.sh b/xos/synchronizer/run-from-api.sh
new file mode 100755
index 0000000..de2c7fa
--- /dev/null
+++ b/xos/synchronizer/run-from-api.sh
@@ -0,0 +1,16 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+export XOS_DIR=/opt/xos
+python vhss-synchronizer.py  -C $XOS_DIR/synchronizers/vhss/vhss_from_api_config
diff --git a/xos/synchronizer/steps/sync_vhsstenant.py b/xos/synchronizer/steps/sync_vhsstenant.py
new file mode 100644
index 0000000..d6bdd49
--- /dev/null
+++ b/xos/synchronizer/steps/sync_vhsstenant.py
@@ -0,0 +1,49 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import sys
+from django.db.models import Q, F
+from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
+from synchronizers.new_base.modelaccessor import *
+
+parentdir = os.path.join(os.path.dirname(__file__), "..")
+sys.path.insert(0, parentdir)
+
+class SyncVHSSTenant(SyncInstanceUsingAnsible):
+    provides = [VHSSTenant]
+
+    observes = VHSSTenant
+
+    requested_interval = 0
+
+    template_name = "vhsstenant_playbook.yaml"
+
+    service_key_name = "/opt/xos/configurations/mcord/mcord_private_key"
+
+    #Gets the attributes that are used by the Ansible template but are not
+    #part of the set of default attributes.
+
+    def __init__(self, *args, **kwargs):
+        super(SyncVHSSTenant, self).__init__(*args, **kwargs)
+
+    def fetch_pending(self, deleted):
+        if (not deleted):
+            objs = VHSSTenant.get_tenant_objects().filter(
+                Q(enacted__lt=F('updated')) | Q(enacted=None), Q(lazy_blocked=False))
+        else:
+            objs = VHSSTenant.get_deleted_tenant_objects()
+
+        return objs
+
diff --git a/xos/synchronizer/steps/vhsstenant_playbook.yaml b/xos/synchronizer/steps/vhsstenant_playbook.yaml
new file mode 100644
index 0000000..83c8bbd
--- /dev/null
+++ b/xos/synchronizer/steps/vhsstenant_playbook.yaml
@@ -0,0 +1,24 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+# vhsstenant_playbook
+
+- hosts: "{{ instance_name }}"
+  gather_facts: False
+  connection: ssh
+  user: ubuntu
+  sudo: yes
+  tasks:
+  vars:
diff --git a/xos/synchronizer/vhss-synchronizer.py b/xos/synchronizer/vhss-synchronizer.py
new file mode 100755
index 0000000..bae8953
--- /dev/null
+++ b/xos/synchronizer/vhss-synchronizer.py
@@ -0,0 +1,28 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#!/usr/bin/env python
+
+# Runs the standard XOS synchronizer
+
+import importlib
+import os
+import sys
+
+synchronizer_path = os.path.join(os.path.dirname(
+    os.path.realpath(__file__)), "../../synchronizers/new_base")
+sys.path.append(synchronizer_path)
+mod = importlib.import_module("xos-synchronizer")
+mod.main()
+
diff --git a/xos/synchronizer/vhss_from_api_config b/xos/synchronizer/vhss_from_api_config
new file mode 100644
index 0000000..b8a05cc
--- /dev/null
+++ b/xos/synchronizer/vhss_from_api_config
@@ -0,0 +1,21 @@
+# Sets options for the synchronizer
+[observer]
+name=vhss
+dependency_graph=/opt/xos/synchronizers/vhss/model-deps
+steps_dir=/opt/xos/synchronizers/vhss/steps
+sys_dir=/opt/xos/synchronizers/vhss/sys
+#logfile=/var/log/xos_backend.log
+log_file=console
+log_level=debug
+pretend=False
+backoff_disabled=True
+save_ansible_output=True
+proxy_ssh=True
+proxy_ssh_key=/opt/cord_profile/node_key
+proxy_ssh_user=root
+enable_watchers=True
+accessor_kind=api
+accessor_password=@/opt/xos/services/vhss/credentials/xosadmin@opencord.org
+#required_models=VHSSService, VHSSTenant, ServiceDependency
+[networking]
+use_vtn=True