releng: add prod environment, ready for release

I am *reasonably* confident that this releng infrastructure can actually
build a Lix 2.90 and release it successfully. Let's make it possible to
do, and add some cute colours to the confirmation message.

Change-Id: I85e498b6fb49ffc5e75c0a72c5e45fb1f69030d3

releng/create_release.xsh

@@ -240,9 +240,10 @@ def upload_artifacts(env: RelengEnvironment, noconfirm=False, no_check_git=False
 
     tree @(ARTIFACTS)
 
+    env_part = f'environment {env.name}'
     not noconfirm and confirm(
-        f'Would you like to release {ARTIFACTS} as {VERSION}? Type "I want to release this" to confirm\n',
-        'I want to release this'
+        f'Would you like to release {ARTIFACTS} as {VERSION} in {env.colour(env_part)}? Type "I want to release this to {env.name}" to confirm\n',
+        f'I want to release this to {env.name}'
     )
 
     docker_images = list((ARTIFACTS / f'lix/lix-{VERSION}').glob(f'lix-{VERSION}-docker-image-*.tar.gz'))

releng/docker.xsh

@@ -49,7 +49,7 @@ def upload_docker_images(target: DockerTarget, paths: list[Path]):
             docker_os = inspection['Os']
             meta = inspection['Labels']
 
-            log.info('Pushing image %s for %s', path, docker_arch)
+            log.info('Pushing image %s for %s to %s', path, docker_arch, target.registry_path)
 
             # insecure-policy: we don't have any signature policy, we are just uploading an image
             # We upload to a junk tag, because otherwise it will upload to `latest`, which is undesirable
@@ -67,7 +67,7 @@ def upload_docker_images(target: DockerTarget, paths: list[Path]):
     # FIXME: this is not possible because GitHub only has a proprietary API for it. amazing. 11/10.
     # reg.delete_tag(target.registry_path, 'temp')
 
-    log.info('Pushed images, building a bigger and more menacing manifest from %r with metadata %r', manifests, meta)
+    log.info('Pushed images to %r, building a bigger and more menacing manifest from %r with metadata %r', target, manifests, meta)
     # send the multiarch manifest to each tag
     index = OCIIndex(manifests=manifests, annotations=meta)
     for tag in tag_names:

releng/environment.py

@@ -1,4 +1,8 @@
+from typing import Callable
 import urllib.parse
+import re
+import functools
+import subprocess
 import dataclasses
 
 S3_HOST = 's3.lix.systems'
@@ -41,6 +45,7 @@ class DockerTarget:
 @dataclasses.dataclass
 class RelengEnvironment:
     name: str
+    colour: Callable[[str], str]
 
     cache_store_overlay: dict[str, str]
     cache_bucket: str
@@ -56,8 +61,19 @@ class RelengEnvironment:
         return self.cache_bucket + "?" + urllib.parse.urlencode(qs)
 
 
+SGR = '\x1b['
+RED = '31;1m'
+GREEN = '32;1m'
+RESET = '0m'
+
+
+def sgr(colour: str, text: str) -> str:
+    return f'{SGR}{colour}{text}{SGR}{RESET}'
+
+
 STAGING = RelengEnvironment(
     name='staging',
+    colour=functools.partial(sgr, GREEN),
     docs_bucket='s3://staging-docs',
     cache_bucket='s3://staging-cache',
     cache_store_overlay={'secret-key': 'staging.key'},
@@ -72,8 +88,42 @@ STAGING = RelengEnvironment(
     ],
 )
 
+GERRIT_REMOTE_RE = re.compile(r'^ssh://(\w+@)?gerrit.lix.systems:2022/lix$')
+
+
+def guess_gerrit_remote():
+    """
+    Deals with people having unknown gerrit username.
+    """
+    out = [
+        x.split()[1] for x in subprocess.check_output(
+            ['git', 'remote', '-v']).decode().splitlines()
+    ]
+    return next(x for x in out if GERRIT_REMOTE_RE.match(x))
+
+
+PROD = RelengEnvironment(
+    name='production',
+    colour=functools.partial(sgr, RED),
+    docs_bucket='s3://docs',
+    cache_bucket='s3://cache',
+    # FIXME: we should decrypt this with age into a tempdir in the future, but
+    # the issue is how to deal with the recipients file. For now, we should
+    # just delete it after doing a release.
+    cache_store_overlay={'secret-key': 'prod.key'},
+    releases_bucket='s3://releases',
+    git_repo=guess_gerrit_remote(),
+    docker_targets=[
+        # latest will be auto tagged if appropriate
+        DockerTarget('git.lix.systems/lix-project/lix',
+                     tags=['{version}', '{major}']),
+        DockerTarget('ghcr.io/lix-project/lix', tags=['{version}', '{major}']),
+    ],
+)
+
 ENVIRONMENTS = {
     'staging': STAGING,
+    'production': PROD,
 }