add boto s3 sample

sample/s3z/.gitignore

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+/logs/*
+/ziti_identities/*

sample/s3z/README.md

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+# Ziti S3 Log Uploader
+
+This example shows how to upload *.log files to a private S3 bucket.
+
+## Setup :wrench:
+
+Refer to the [examples README](../README.md) for details on setting up a service and endpoint identities.
+
+The rest of the example commands assume you are inside this example's directory.
+
+```bash
+cd ./samples/s3z
+```
+
+### Install Python Requirements
+
+Install the PyPi modules required by this example.
+
+```bash
+pip install --requirement ./requirements.txt
+```
+
+## Set Up AWS
+
+Here are the AWS ingredients.
+
+1. Choose an AWS region to set everything up
+1. An S3 VPC Endpoint (Privatelink Interface)
+1. An S3 Bucket
+1. A Bucket Policy that requires the VPCE source
+1. A Security Group that allows the bucket service host to send 443/tcp to the VPCE
+1. Any IAM credential
+
+### Bucket Policy Example
+
+```json
+{
+    "Version": "2012-10-17",
+    "Statement": [
+        {
+            "Sid": "Deny-access-if-not-VPCE",
+            "Effect": "Deny",
+            "Principal": "*",
+            "Action": [
+                "s3:ListBucket",
+                "s3:PutObject",
+                "s3:GetObject",
+                "s3:DeleteObject"
+            ],
+            "Resource": [
+                "arn:aws:s3:::boto-demo-s3z",
+                "arn:aws:s3:::boto-demo-s3z/*"
+            ],
+            "Condition": {
+                "StringNotEquals": {
+                    "aws:sourceVpce": "vpce-0f3e9a76e6d070f9a"
+                }
+            }
+        },
+        {
+            "Sid": "Allow-access-if-VPCE",
+            "Effect": "Allow",
+            "Principal": "*",
+            "Action": [
+                "s3:ListBucket",
+                "s3:PutObject",
+                "s3:GetObject",
+                "s3:DeleteObject"
+            ],
+            "Resource": [
+                "arn:aws:s3:::boto-demo-s3z",
+                "arn:aws:s3:::boto-demo-s3z/*"
+            ],
+            "Condition": {
+                "StringEquals": {
+                    "aws:sourceVpce": "vpce-0f3e9a76e6d070f9a"
+                }
+            }
+        }
+    ]
+}
+```
+
+## Set Up Ziti
+
+Here are the Ziti ingredients.
+
+1. A bucket service to configure the S3 endpoint URL
+    1. `intercept.v1` - this configures the Python SDK client to send requests matching the VPC endpoint through the tunnel
+
+      ```json
+      {
+        "addresses": [
+          "*.vpce-0f3e9a76e6d070f9a.s3.us-west-1.vpce.amazonaws.com"
+        ],
+        "portRanges": [
+          {
+            "high": 443,
+            "low": 443
+          }
+        ],
+        "protocols": [
+          "tcp"
+        ]
+      }
+      ```
+
+    1. `host.v1` - this configures the hosting endpoint to send the traffic exiting the Ziti tunnel to the VPC endpoint
+
+      ```json
+      {
+        "address": "bucket.vpce-0f3e9a76e6d070f9a.s3.us-west-1.vpce.amazonaws.com",
+        "allowedPortRanges": [
+          {
+            "high": 443,
+            "low": 443
+          }
+        ],
+        "allowedProtocols": [
+          "tcp"
+        ],
+        "forwardPort": true,
+        "forwardProtocol": true,
+        "protocol": "tcp"
+      }
+      ```
+
+1. Enrolled Ziti identities for each end of the tunnel
+    1. client - `s3z.py` will use this identity to "dial" the bucket service
+    1. host - a container or VM inside the VPC will provide a privileged exit point to the private endpoint, i.e., hosting tunneler
+
+1. Service Policies
+    1. Dial - the client identity needs dial permission for the bucket service
+    1. Bind - the host needs bind permission for the bucket service
+
+1. Router Policies - ensure your identities and services are granted access to at least one common, online router
+
+## Generate Some Dummy Files
+
+If you need some worthless log files you can run this.
+
+```bash
+python ./log-generator.py
+```
+
+## Understanding the Inputs :brain:
+
+This example accepts some options and arguments.
+
+1. `--ziti-identity-file` - The identity file to be used by the SDK tunneler to dial the bucket service
+1. `--bucket-name` - where to upload log files
+1. `--bucket-endpoint` - the private VPC endpoint URL
+1. `--push-log-dir` - local directory where logs should be uploaded from
+1. `--object-prefix` - optional directory-like prefix for the uploaded files
+
+## Running the Example :arrow_forward:
+
+```bash
+python ./s3z/s3z.py \
+  --ziti-identity-file=/etc/ziti/client.json \
+  --bucket-name=my-private-logs \
+  --bucket-endpoint=https://bucket.vpce-0f3e9a76e6d070f9a.s3.us-west-1.vpce.amazonaws.com \
+  --push-log-dir=./logs \
+  --object-prefix=$(hostname -f)/$(date --utc --iso-8601=s)
+```
+
+```buttonless title="Output"
+Uploaded ./logs/stupefied-ptolemy.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/modest-feynman.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/priceless-einstein.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/gallant-bardeen.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/epic-heisenberg.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/vibrant-galileo.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/hopeful-wilson.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/distracted-golick.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/youthful-poitras.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+Uploaded ./logs/agitated-curie.log to boto-demo-s3z/loghost.example.com/2024-07-11T18:13:47+00:00
+```

sample/s3z/log-generator.py

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+import os
+import random
+
+import namesgenerator
+
+
+def generate_friendly_name():
+    return namesgenerator.get_random_name(sep='-')
+
+
+def generate_random_data(size_mib):
+    return os.urandom(size_mib * 1024 * 1024)
+
+
+def create_files(n, min_size_mib, max_size_mib, output_dir):
+    if not os.path.exists(output_dir):
+        os.makedirs(output_dir)
+
+    for _ in range(n):
+        file_name = generate_friendly_name() + ".log"
+        file_size = random.randint(min_size_mib, max_size_mib)
+        file_data = generate_random_data(file_size)
+
+        with open(os.path.join(output_dir, file_name), 'wb') as f:
+            f.write(file_data)
+        print(f"Created file: {file_name} with size: {file_size} MiB")
+
+
+if __name__ == "__main__":
+    n = 10  # Number of files to generate
+    min_size_mib = 1  # Minimum size in MiB
+    max_size_mib = 5  # Maximum size in MiB
+    output_dir = "logs"  # Directory to save the files
+
+    create_files(n, min_size_mib, max_size_mib, output_dir)

sample/s3z/requirements.txt

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+argparse
+boto3
+openziti
+namesgenerator

sample/s3z/s3z.py

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+#!/usr/bin/env python
+
+import argparse
+import os
+
+from boto3 import client
+
+import openziti
+
+
+def configure_openziti(ziti_identity_file):
+    print("Configuring with",
+          f"identity file '{ziti_identity_file}'")
+    return openziti.load(ziti_identity_file)
+
+
+def push_logs_to_s3(bucket_name, bucket_endpoint,
+                    push_log_dir, object_prefix):
+    s3 = client(service_name='s3', endpoint_url=bucket_endpoint)
+
+    for file_name in os.listdir(push_log_dir):
+        if file_name.endswith(".log"):
+            file_path = os.path.join(push_log_dir, file_name)
+            with openziti.monkeypatch():
+                if object_prefix:
+                    s3.upload_file(file_path, bucket_name,
+                                   f"{object_prefix}/{file_name}")
+                    print(f"Uploaded {file_path} to",
+                          f"{bucket_name}/{object_prefix}")
+                else:
+                    s3.upload_file(file_path, bucket_name, file_name)
+                    print(f"Uploaded {file_path} to {bucket_name}")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--ziti-identity-file', required=True,
+                        help='Ziti identity file')
+    parser.add_argument('--bucket-name', required=True,
+                        help='S3 bucket name')
+    parser.add_argument('--bucket-endpoint', required=True,
+                        help='S3 VPCEndpoint Interface URL')
+    parser.add_argument('--object-prefix', required=False, default='',
+                        help='Object key prefix in bucket')
+    parser.add_argument('--push-log-dir', required=False, default='.',
+                        help='Directory containing *.log files to upload')
+    args = parser.parse_args()
+
+    sts = client('sts')
+    caller = sts.get_caller_identity()
+    print("\nAuthenticated to AWS as:",
+          f"UserId: {caller.get('UserId')}",
+          f"Account: {caller.get('Account')}",
+          f"Arn: {caller.get('Arn')}\n", sep="\n\t")
+
+    configure_openziti(
+        args.ziti_identity_file,
+    )
+
+    push_logs_to_s3(
+        args.bucket_name,
+        args.bucket_endpoint,
+        args.push_log_dir,
+        args.object_prefix
+    )