Put into place initial release engineering

This can release x86_64-linux binaries to staging, with ephemeral keys.
I think it's good enough to review at least at this point, so we don't
keep adding more stuff to it to make it harder to review.

Change-Id: Ie95e8f35d1252f5d014e819566f170b30eda152e

1 files changed, 50 insertions, 0 deletions

diff --git a/releng/environment.py b/releng/environment.py
new file mode 100644
index 000000000..643eb69d9
--- /dev/null
+++ b/releng/environment.py
@@ -0,0 +1,50 @@
+import dataclasses
+import urllib.parse
+
+S3_HOST = 's3.lix.systems'
+S3_ENDPOINT = 'https://s3.lix.systems'
+
+DEFAULT_STORE_URI_BITS = {
+    'region': 'garage',
+    'endpoint': 's3.lix.systems',
+    'want-mass-query': 'true',
+    'write-nar-listing': 'true',
+    'ls-compression': 'zstd',
+    'narinfo-compression': 'zstd',
+    'compression': 'zstd',
+    'parallel-compression': 'true',
+}
+
+
+@dataclasses.dataclass
+class RelengEnvironment:
+    name: str
+
+    aws_profile: str
+    cache_store_overlay: dict[str, str]
+    cache_bucket: str
+    releases_bucket: str
+    git_repo: str
+
+    def cache_store_uri(self):
+        qs = DEFAULT_STORE_URI_BITS.copy()
+        qs.update(self.cache_store_overlay)
+        return self.cache_bucket + "?" + urllib.parse.urlencode(qs)
+
+STAGING = RelengEnvironment(
+    name='staging',
+    aws_profile='garage_staging',
+    cache_bucket='s3://staging-cache',
+    cache_store_overlay={
+        'secret-key': 'staging.key'
+    },
+    releases_bucket='s3://staging-releases',
+    git_repo='ssh://git@git.lix.systems/lix-project/lix-releng-staging',
+)
+
+
+@dataclasses.dataclass
+class S3Credentials:
+    name: str
+    id: str
+    secret_key: str