Add scripts to deploy MOS for tryMOS

The patch adds scripts and related files to deploy MOS in
AWS in case of tryMOS deployment.

Related-PRODX: PRODX-11818

Change-Id: I8e2d06473608a22ddb70a7ab9f3bea82ef91a77c
diff --git a/trymos/README b/trymos/README
new file mode 100644
index 0000000..f9368d2
--- /dev/null
+++ b/trymos/README
@@ -0,0 +1,48 @@
+How to deploy TryMOS on AWS
+===========================
+
+1. Dowload tryMOS image from Mirantis repo
+    wget https://artifactory.mcp.mirantis.net/artifactory/binary-dev-kaas-local/trymos/bin/trymos-bionic-amd64-master-20210316183204.qcow2
+
+2. Convert QCOW2 image to RAW format
+    qemu-img convert -f qcow2 -O raw ./trymos-bionic-amd64-master-20210316183204.qcow2 ./trymos-bionic-amd64-master-20210316183204.raw
+
+3. Upload RAW image to S3 storage, where `trymos-raw` name of a bucket
+    aws s3 cp ./trymos-bionic-amd64-master-20210316183204.raw s3://trymos-raw
+
+4. Create a snapshot from the image which had been uploaded
+    aws ec2 import-snapshot --disk-container file://containers.json
+
+containers.json
+
+{
+    "Description": "TryMOS RAW",
+    "Format": "RAW",
+    "UserBucket": {
+        "S3Bucket": "trymos-raw",
+        "S3Key": "trymos-bionic-amd64-master-20210316183204.raw"
+    }
+}
+
+5. Create an image from the snapshot in EC2 Service -> Elastic Block Store -> Snapshots -> Actions -> Create image
+   with root storage 30Gb and additional volume 20Gb (volume type EBS (gp3))
+
+6. Launch instance from the image EC2 Service -> Images -> AMIs -> Launch with flavor minimal 16 CPUs and
+   30Gb RAM (c4.4xlarge).
+
+7. Connect to intance via external IP with keyfile which was defined during instance was brought up as root
+   ssh 13.59.177.99 -i ./trymos-pair.pem -l root
+
+8. Run following commands to prepare env for deployment
+    sed -i 's/vdb/xvdb/g' /usr/share/metadata/ceph.yaml
+
+   and export control network CIDR
+    root@ip-172-31-11-89:/srv/bin# ip route
+    default via 172.31.0.1 dev eth0 proto dhcp src 172.31.11.89 metric 100
+    172.31.0.0/20 dev eth0 proto kernel scope link src 172.31.11.89
+    172.31.0.1 dev eth0 proto dhcp scope link src 172.31.11.89 metric 100
+
+    root@ip-172-31-11-89:/srv/bin# export CONTROL_NETWORK_CIDR='172.31.0.0/20'
+
+9. Run installation script
+   /srv/bin/bootstrap_trymos_aws.sh