Merge branch 'main' into dboreham/mobymask-v3-demo-test

stack_orchestrator/build/build_containers.py

@@ -25,13 +25,13 @@ import sys
 from decouple import config
 import subprocess
 import click
-import importlib.resources
 from pathlib import Path
 from stack_orchestrator.opts import opts
-from stack_orchestrator.util import include_exclude_check, get_parsed_stack_config, stack_is_external, error_exit, warn_exit
+from stack_orchestrator.util import include_exclude_check, stack_is_external, error_exit
 from stack_orchestrator.base import get_npm_registry_url
 from stack_orchestrator.build.build_types import BuildContext
 from stack_orchestrator.build.publish import publish_image
+from stack_orchestrator.build.build_util import get_containers_in_scope
 
 # TODO: find a place for this
 #    epilog="Config provided either in .env or settings.ini or env vars: CERC_REPO_BASE_DIR (defaults to ~/cerc)"
@@ -149,24 +149,7 @@ def command(ctx, include, exclude, force_rebuild, extra_build_args, publish_imag
         if not image_registry:
             error_exit("--image-registry must be supplied with --publish-images")
 
-    # See: https://stackoverflow.com/a/20885799/1701505
-    from stack_orchestrator import data
-    with importlib.resources.open_text(data, "container-image-list.txt") as container_list_file:
-        all_containers = container_list_file.read().splitlines()
-
-    containers_in_scope = []
-    if stack:
-        stack_config = get_parsed_stack_config(stack)
-        if "containers" not in stack_config or stack_config["containers"] is None:
-            warn_exit(f"stack {stack} does not define any containers")
-        containers_in_scope = stack_config['containers']
-    else:
-        containers_in_scope = all_containers
-
-    if opts.o.verbose:
-        print(f'Containers: {containers_in_scope}')
-        if stack:
-            print(f"Stack: {stack}")
+    containers_in_scope = get_containers_in_scope(stack)
 
     container_build_env = make_container_build_env(dev_root_path,
                                                    container_build_dir,

stack_orchestrator/build/build_util.py

@@ -0,0 +1,43 @@
+# Copyright © 2024 Vulcanize
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http:#www.gnu.org/licenses/>.
+
+import importlib.resources
+
+from stack_orchestrator.opts import opts
+from stack_orchestrator.util import get_parsed_stack_config, warn_exit
+
+
+def get_containers_in_scope(stack: str):
+
+    # See: https://stackoverflow.com/a/20885799/1701505
+    from stack_orchestrator import data
+    with importlib.resources.open_text(data, "container-image-list.txt") as container_list_file:
+        all_containers = container_list_file.read().splitlines()
+
+    containers_in_scope = []
+    if stack:
+        stack_config = get_parsed_stack_config(stack)
+        if "containers" not in stack_config or stack_config["containers"] is None:
+            warn_exit(f"stack {stack} does not define any containers")
+        containers_in_scope = stack_config['containers']
+    else:
+        containers_in_scope = all_containers
+
+    if opts.o.verbose:
+        print(f'Containers: {containers_in_scope}')
+        if stack:
+            print(f"Stack: {stack}")
+
+    return containers_in_scope

stack_orchestrator/build/build_webapp.py

@@ -21,6 +21,8 @@
 # TODO: display the available list of containers; allow re-build of either all or specific containers
 
 import os
+import sys
+
 from decouple import config
 import click
 from pathlib import Path
@@ -40,12 +42,9 @@ def command(ctx, base_container, source_repo, force_rebuild, extra_build_args, t
     '''build the specified webapp container'''
 
     quiet = ctx.obj.quiet
-    verbose = ctx.obj.verbose
-    dry_run = ctx.obj.dry_run
     debug = ctx.obj.debug
     local_stack = ctx.obj.local_stack
     stack = ctx.obj.stack
-    continue_on_error = ctx.obj.continue_on_error
 
     # See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
     container_build_dir = Path(__file__).absolute().parent.parent.joinpath("data", "container-build")
@@ -73,7 +72,10 @@ def command(ctx, base_container, source_repo, force_rebuild, extra_build_args, t
         container_build_env,
         dev_root_path,
     )
-    build_containers.process_container(build_context_1)
+    ok = build_containers.process_container(build_context_1)
+    if not ok:
+        print("ERROR: Build failed.", file=sys.stderr)
+        sys.exit(1)
 
     # Now build the target webapp.  We use the same build script, but with a different Dockerfile and work dir.
     container_build_env["CERC_WEBAPP_BUILD_RUNNING"] = "true"
@@ -94,4 +96,7 @@ def command(ctx, base_container, source_repo, force_rebuild, extra_build_args, t
         container_build_env,
         dev_root_path,
     )
-    build_containers.process_container(build_context_2)
+    ok = build_containers.process_container(build_context_2)
+    if not ok:
+        print("ERROR: Build failed.", file=sys.stderr)
+        sys.exit(1)

stack_orchestrator/build/fetch_containers.py

@@ -0,0 +1,180 @@
+# Copyright © 2024 Vulcanize
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http:#www.gnu.org/licenses/>.
+
+import click
+from dataclasses import dataclass
+import json
+import platform
+from python_on_whales import DockerClient
+from python_on_whales.components.manifest.cli_wrapper import ManifestCLI, ManifestList
+from python_on_whales.utils import run
+import requests
+from typing import List
+
+from stack_orchestrator.opts import opts
+from stack_orchestrator.util import include_exclude_check, error_exit
+from stack_orchestrator.build.build_util import get_containers_in_scope
+
+# Experimental fetch-container command
+
+
+@dataclass
+class RegistryInfo:
+    registry: str
+    registry_username: str
+    registry_token: str
+
+
+# Extending this code to support the --verbose option, cnosider contributing upstream
+# https://github.com/gabrieldemarmiesse/python-on-whales/blob/master/python_on_whales/components/manifest/cli_wrapper.py#L129
+class ExtendedManifestCLI(ManifestCLI):
+    def inspect_verbose(self, x: str) -> ManifestList:
+        """Returns a Docker manifest list object."""
+        json_str = run(self.docker_cmd + ["manifest", "inspect", "--verbose", x])
+        return json.loads(json_str)
+
+
+def _local_tag_for(container: str):
+    return f"{container}:local"
+
+
+# See: https://docker-docs.uclv.cu/registry/spec/api/
+# Emulate this:
+# $ curl -u "my-username:my-token" -X GET "https://<container-registry-hostname>/v2/cerc-io/cerc/test-container/tags/list"
+# {"name":"cerc-io/cerc/test-container","tags":["202402232130","202402232208"]}
+def _get_tags_for_container(container: str, registry_info: RegistryInfo) -> List[str]:
+    # registry looks like: git.vdb.to/cerc-io
+    registry_parts = registry_info.registry.split("/")
+    url = f"https://{registry_parts[0]}/v2/{registry_parts[1]}/{container}/tags/list"
+    if opts.o.debug:
+        print(f"Fetching tags from: {url}")
+    response = requests.get(url, auth=(registry_info.registry_username, registry_info.registry_token))
+    if response.status_code == 200:
+        tag_info = response.json()
+        if opts.o.debug:
+            print(f"container tags list: {tag_info}")
+        tags_array = tag_info["tags"]
+        return tags_array
+    else:
+        error_exit(f"failed to fetch tags from image registry, status code: {response.status_code}")
+
+
+def _find_latest(candidate_tags: List[str]):
+    # Lex sort should give us the latest first
+    sorted_candidates = sorted(candidate_tags)
+    if opts.o.debug:
+        print(f"sorted candidates: {sorted_candidates}")
+    return sorted_candidates[0]
+
+
+def _filter_for_platform(container: str, 
+                         registry_info: RegistryInfo,
+                         tag_list: List[str]) -> List[str] :
+    filtered_tags = []
+    this_machine = platform.machine()
+    # Translate between Python platform names and docker
+    if this_machine == "x86_64":
+        this_machine = "amd64"
+    if opts.o.debug:
+        print(f"Python says the architecture is: {this_machine}")
+    docker = DockerClient()
+    docker.login(registry_info.registry, registry_info.registry_username, registry_info.registry_token)
+    for tag in tag_list:
+        remote_tag = f"{registry_info.registry}/{container}:{tag}"
+        manifest_cmd = ExtendedManifestCLI(docker.client_config)
+        manifest = manifest_cmd.inspect_verbose(remote_tag)
+        if opts.o.debug:
+            print(f"manifest: {manifest}")
+        image_architecture =  manifest["Descriptor"]["platform"]["architecture"]
+        if opts.o.debug:
+            print(f"image_architecture: {image_architecture}")
+        if this_machine == image_architecture:
+            filtered_tags.append(tag)
+    if opts.o.debug:
+        print(f"Tags filtered for platform: {filtered_tags}")
+    return filtered_tags
+
+
+def _get_latest_image(container: str, registry_info: RegistryInfo):
+    all_tags = _get_tags_for_container(container, registry_info)
+    tags_for_platform = _filter_for_platform(container, registry_info, all_tags)
+    latest_tag = _find_latest(tags_for_platform)
+    return f"{container}:{latest_tag}"
+
+
+def _fetch_image(tag: str, registry_info: RegistryInfo):
+    docker = DockerClient()
+    docker.login(registry_info.registry, registry_info.registry_username, registry_info.registry_token)
+    remote_tag = f"{registry_info.registry}/{tag}"
+    if opts.o.debug:
+        print(f"Attempting to pull this image: {remote_tag}")
+    docker.image.pull(remote_tag)
+
+
+def _exists_locally(container: str):
+    docker = DockerClient()
+    return docker.image.exists(_local_tag_for(container))
+
+
+def _add_local_tag(remote_tag: str, registry: str, local_tag: str):
+    docker = DockerClient()
+    docker.image.tag(f"{registry}/{remote_tag}", local_tag)
+
+
+@click.command()
+@click.option('--include', help="only fetch these containers")
+@click.option('--exclude', help="don\'t fetch these containers")
+@click.option("--force-local-overwrite", is_flag=True, default=False, help="Overwrite a locally built image, if present")
+@click.option("--image-registry", required=True, help="Specify the image registry to fetch from")
+@click.option("--registry-username", required=True, help="Specify the image registry username")
+@click.option("--registry-token", required=True, help="Specify the image registry access token")
+@click.pass_context
+def command(ctx, include, exclude, force_local_overwrite, image_registry, registry_username, registry_token):
+    '''EXPERIMENTAL: fetch the images for a stack from remote registry'''
+
+    registry_info = RegistryInfo(image_registry, registry_username, registry_token)
+    # Generate list of target containers
+    stack = ctx.obj.stack
+    containers_in_scope = get_containers_in_scope(stack)
+    for container in containers_in_scope:
+        local_tag = _local_tag_for(container)
+        if include_exclude_check(container, include, exclude):
+            if opts.o.debug:
+                print(f"Processing: {container}")
+            # For each container, attempt to find the latest of a set of
+            # images with the correct name and platform in the specified registry
+            image_to_fetch = _get_latest_image(container, registry_info)
+            if opts.o.debug:
+                print(f"Fetching: {image_to_fetch}")
+            _fetch_image(image_to_fetch, registry_info)
+            # Now check if the target container already exists exists locally already
+            if (_exists_locally(container)):
+                if not opts.o.quiet:
+                    print(f"Container image {container} already exists locally")
+                # if so, fail unless the user specified force-local-overwrite
+                if (force_local_overwrite):
+                    # In that case remove the existing :local tag
+                    if not opts.o.quiet:
+                        print(f"Warning: overwriting local tag from this image: {container} because "
+                              "--force-local-overwrite was specified")
+                else:
+                    if not opts.o.quiet:
+                        print(f"Skipping local tagging for this image: {container} because that would "
+                              "overwrite an existing :local tagged image, use --force-local-overwrite to do so.")
+            # Tag the fetched image with the :local tag
+            _add_local_tag(image_to_fetch, image_registry, local_tag)
+        else:
+            if opts.o.verbose:
+                print(f"Excluding: {container}")

stack_orchestrator/data/container-build/cerc-nextjs-base/Dockerfile

@@ -26,6 +26,8 @@ RUN \
     && su ${USERNAME} -c "umask 0002 && npm install -g eslint" \
     # Install semver
     && su ${USERNAME} -c "umask 0002 && npm install -g semver" \
+    # Install pnpm
+    && su ${USERNAME} -c "umask 0002 && npm install -g pnpm" \
     && npm cache clean --force > /dev/null 2>&1
 
 # [Optional] Uncomment this section to install additional OS packages.
@@ -35,6 +37,9 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
 # [Optional] Uncomment if you want to install more global node modules
 # RUN su node -c "npm install -g <your-package-list-here>"
 
+# We do this to get a yq binary from the published container, for the correct architecture we're building here
+COPY --from=docker.io/mikefarah/yq:latest /usr/bin/yq /usr/local/bin/yq
+
 # Expose port for http
 EXPOSE 80
 

stack_orchestrator/data/container-build/cerc-nextjs-base/scripts/apply-runtime-env.sh

@@ -10,10 +10,12 @@ TRG_DIR="${3:-.next-r}"
 
 CERC_BUILD_TOOL="${CERC_BUILD_TOOL}"
 if [ -z "$CERC_BUILD_TOOL" ]; then
-  if [ -f "yarn.lock" ]; then
-    CERC_BUILD_TOOL=npm
-  else
+  if [ -f "pnpm-lock.yaml" ]; then
+    CERC_BUILD_TOOL=pnpm
+  elif [ -f "yarn.lock" ]; then
     CERC_BUILD_TOOL=yarn
+  else
+    CERC_BUILD_TOOL=npm
   fi
 fi
 

stack_orchestrator/data/container-build/cerc-nextjs-base/scripts/build-app.sh

@@ -9,7 +9,9 @@ CERC_MIN_NEXTVER=13.4.2
 CERC_NEXT_VERSION="${CERC_NEXT_VERSION:-keep}"
 CERC_BUILD_TOOL="${CERC_BUILD_TOOL}"
 if [ -z "$CERC_BUILD_TOOL" ]; then
-  if [ -f "yarn.lock" ]; then
+  if [ -f "pnpm-lock.yaml" ]; then
+    CERC_BUILD_TOOL=pnpm
+  elif [ -f "yarn.lock" ]; then
     CERC_BUILD_TOOL=yarn
   else
     CERC_BUILD_TOOL=npm

stack_orchestrator/data/container-build/cerc-nextjs-base/scripts/start-serving-app.sh

@@ -16,7 +16,9 @@ trap ctrl_c INT
 
 CERC_BUILD_TOOL="${CERC_BUILD_TOOL}"
 if [ -z "$CERC_BUILD_TOOL" ]; then
-  if [ -f "yarn.lock" ] && [ ! -f "package-lock.json" ]; then
+  if [ -f "pnpm-lock.yaml" ]; then
+    CERC_BUILD_TOOL=pnpm
+  elif [ -f "yarn.lock" ]; then
     CERC_BUILD_TOOL=yarn
   else
     CERC_BUILD_TOOL=npm

stack_orchestrator/data/container-build/cerc-webapp-base/Dockerfile

@@ -24,6 +24,10 @@ RUN \
     && su ${USERNAME} -c "npm config -g set prefix ${NPM_GLOBAL}" \
     # Install eslint
     && su ${USERNAME} -c "umask 0002 && npm install -g eslint" \
+    # Install semver
+    && su ${USERNAME} -c "umask 0002 && npm install -g semver" \
+    # Install pnpm
+    && su ${USERNAME} -c "umask 0002 && npm install -g pnpm" \
     && npm cache clean --force > /dev/null 2>&1
 
 # [Optional] Uncomment this section to install additional OS packages.

stack_orchestrator/data/container-build/cerc-webapp-base/Dockerfile.webapp

@@ -1,11 +1,12 @@
 FROM cerc/webapp-base:local as builder
 
 ARG CERC_BUILD_TOOL
+ARG CERC_BUILD_OUTPUT_DIR
 
 WORKDIR /app
 COPY . .
-RUN rm -rf node_modules build .next*
-RUN /scripts/build-app.sh /app build /data
+RUN rm -rf node_modules build dist .next*
+RUN /scripts/build-app.sh /app /data
 
 FROM cerc/webapp-base:local
 COPY --from=builder /data /data

stack_orchestrator/data/container-build/cerc-webapp-base/scripts/build-app.sh

@@ -7,9 +7,10 @@ if [ -n "$CERC_SCRIPT_DEBUG" ]; then
 fi
 
 CERC_BUILD_TOOL="${CERC_BUILD_TOOL}"
+CERC_BUILD_OUTPUT_DIR="${CERC_BUILD_OUTPUT_DIR}"
+
 WORK_DIR="${1:-/app}"
-OUTPUT_DIR="${2:-build}"
-DEST_DIR="${3:-/data}"
+DEST_DIR="${2:-/data}"
 
 if [ -f "${WORK_DIR}/build-webapp.sh" ]; then
   echo "Building webapp with ${WORK_DIR}/build-webapp.sh ..."
@@ -22,7 +23,9 @@ elif [ -f "${WORK_DIR}/package.json" ]; then
   cd "${WORK_DIR}" || exit 1
 
   if [ -z "$CERC_BUILD_TOOL" ]; then
-    if [ -f "yarn.lock" ]; then
+    if [ -f "pnpm-lock.yaml" ]; then
+      CERC_BUILD_TOOL=pnpm
+    elif [ -f "yarn.lock" ]; then
       CERC_BUILD_TOOL=yarn
     else
       CERC_BUILD_TOOL=npm
@@ -33,7 +36,17 @@ elif [ -f "${WORK_DIR}/package.json" ]; then
   $CERC_BUILD_TOOL build || exit 1
 
   rm -rf "${DEST_DIR}"
-  mv "${WORK_DIR}/${OUTPUT_DIR}" "${DEST_DIR}"
+  if [ -z "${CERC_BUILD_OUTPUT_DIR}" ]; then
+    if [ -d "${WORK_DIR}/dist" ]; then
+      CERC_BUILD_OUTPUT_DIR="${WORK_DIR}/dist"
+    elif [ -d "${WORK_DIR}/build" ]; then
+      CERC_BUILD_OUTPUT_DIR="${WORK_DIR}/build"
+    else
+      echo "ERROR: Unable to locate build output.  Set with --extra-build-args \"--build-arg CERC_BUILD_OUTPUT_DIR=path\"" 1>&2
+      exit 1
+    fi
+  fi
+  mv "${CERC_BUILD_OUTPUT_DIR}" "${DEST_DIR}"
 else
   echo "Copying static app ..."
   mv "${WORK_DIR}" "${DEST_DIR}"

stack_orchestrator/data/container-build/cerc-webapp-base/scripts/start-serving-app.sh

@@ -3,13 +3,28 @@ if [ -n "$CERC_SCRIPT_DEBUG" ]; then
     set -x
 fi
 
+CERC_LISTEN_PORT=${CERC_LISTEN_PORT:-80}
 CERC_WEBAPP_FILES_DIR="${CERC_WEBAPP_FILES_DIR:-/data}"
 CERC_ENABLE_CORS="${CERC_ENABLE_CORS:-false}"
+CERC_SINGLE_PAGE_APP="${CERC_SINGLE_PAGE_APP}"
+
+if [ -z "${CERC_SINGLE_PAGE_APP}" ]; then
+  if [ 1 -eq $(find "${CERC_WEBAPP_FILES_DIR}" -name '*.html' | wc -l) ] && [ -d "${CERC_WEBAPP_FILES_DIR}/static" ]; then
+    CERC_SINGLE_PAGE_APP=true
+  else
+    CERC_SINGLE_PAGE_APP=false
+  fi
+fi
 
 if [ "true" == "$CERC_ENABLE_CORS" ]; then
   CERC_HTTP_EXTRA_ARGS="$CERC_HTTP_EXTRA_ARGS --cors"
 fi
 
+if [ "true" == "$CERC_SINGLE_PAGE_APP" ]; then
+  # Create a catchall redirect back to /
+  CERC_HTTP_EXTRA_ARGS="$CERC_HTTP_EXTRA_ARGS --proxy http://localhost:${CERC_LISTEN_PORT}?"
+fi
+
 LACONIC_HOSTED_CONFIG_FILE=${LACONIC_HOSTED_CONFIG_FILE}
 if [ -z "${LACONIC_HOSTED_CONFIG_FILE}" ]; then
   if [ -f "/config/laconic-hosted-config.yml" ]; then
@@ -20,8 +35,8 @@ if [ -z "${LACONIC_HOSTED_CONFIG_FILE}" ]; then
 fi
 
 if [ -f "${LACONIC_HOSTED_CONFIG_FILE}" ]; then
-  /scripts/apply-webapp-config.sh $LACONIC_HOSTED_CONFIG_FILE ${CERC_WEBAPP_FILES_DIR}
+  /scripts/apply-webapp-config.sh $LACONIC_HOSTED_CONFIG_FILE "${CERC_WEBAPP_FILES_DIR}"
 fi
 
 /scripts/apply-runtime-env.sh ${CERC_WEBAPP_FILES_DIR}
-http-server $CERC_HTTP_EXTRA_ARGS -p ${CERC_LISTEN_PORT:-80} ${CERC_WEBAPP_FILES_DIR}
+http-server $CERC_HTTP_EXTRA_ARGS -p ${CERC_LISTEN_PORT} "${CERC_WEBAPP_FILES_DIR}"

stack_orchestrator/data/stacks/uniswap-urbit-app/README.md

@@ -33,23 +33,29 @@ laconic-so --stack uniswap-urbit-app deploy init --output uniswap-urbit-app-spec
 
 ### Ports
 
-Edit `network` in spec file to map container ports to same ports in host:
+Edit `uniswap-urbit-app-spec.yml` such that it looks like:
 
 ```yml
-...
+stack: uniswap-urbit-app
+deploy-to: compose
 network:
   ports:
-    urbit-fake-ship:
-      - '8080:80'
     proxy-server:
       - '4000:4000'
+    urbit-fake-ship:
+      - '8080:80'
     ipfs:
-      - '8081:8080'
-      - '5001:5001'
-...
+     - '4001'
+     - '8081:8080'
+     - 0.0.0.0:5001:5001
+volumes:
+  urbit_app_builds: ./data/urbit_app_builds
+  urbit_data: ./data/urbit_data
+  ipfs-import: ./data/ipfs-import
+  ipfs-data: ./data/ipfs-data
 ```
 
-Note: Skip the `ipfs` ports if need to use an externally running IPFS node
+Note: Skip the `ipfs` ports if using an externally running IPFS node, set via `config.env`, below.
 
 ### Data volumes
 

stack_orchestrator/deploy/images.py

@@ -29,6 +29,29 @@ def _image_needs_pushed(image: str):
     return image.endswith(":local")
 
 
+def remote_image_exists(remote_repo_url: str, local_tag: str):
+    docker = DockerClient()
+    try:
+        remote_tag = remote_tag_for_image(local_tag, remote_repo_url)
+        result = docker.manifest.inspect(remote_tag)
+        return True if result else False
+    except Exception:  # noqa: E722
+        return False
+
+
+def add_tags_to_image(remote_repo_url: str, local_tag: str, *additional_tags):
+    if not additional_tags:
+        return
+
+    if not remote_image_exists(remote_repo_url, local_tag):
+        raise Exception(f"{local_tag} does not exist in {remote_repo_url}")
+
+    docker = DockerClient()
+    remote_tag = remote_tag_for_image(local_tag, remote_repo_url)
+    new_remote_tags = [remote_tag_for_image(tag, remote_repo_url) for tag in additional_tags]
+    docker.buildx.imagetools.create(sources=[remote_tag], tags=new_remote_tags)
+
+
 def remote_tag_for_image(image: str, remote_repo_url: str):
     # Turns image tags of the form: foo/bar:local into remote.repo/org/bar:deploy
     major_parts = image.split("/", 2)

stack_orchestrator/deploy/webapp/deploy_webapp_from_registry.py

@@ -24,6 +24,7 @@ import uuid
 
 import click
 
+from stack_orchestrator.deploy.images import remote_image_exists, add_tags_to_image
 from stack_orchestrator.deploy.webapp import deploy_webapp
 from stack_orchestrator.deploy.webapp.util import (LaconicRegistryClient,
                                                    build_container_image, push_container_image,
@@ -43,6 +44,7 @@ def process_app_deployment_request(
     deployment_parent_dir,
     kube_config,
     image_registry,
+    force_rebuild=False,
     log_file=None
 ):
     # 1. look up application
@@ -91,7 +93,9 @@ def process_app_deployment_request(
     deployment_record = laconic.get_record(app_deployment_crn)
     deployment_dir = os.path.join(deployment_parent_dir, fqdn)
     deployment_config_file = os.path.join(deployment_dir, "config.env")
+    # TODO: Is there any reason not to simplify the hash input to the app_deployment_crn?
     deployment_container_tag = "laconic-webapp/%s:local" % hashlib.md5(deployment_dir.encode()).hexdigest()
+    app_image_shared_tag = f"laconic-webapp/{app.id}:local"
     #   b. check for deployment directory (create if necessary)
     if not os.path.exists(deployment_dir):
         if deployment_record:
@@ -106,11 +110,20 @@ def process_app_deployment_request(
     needs_k8s_deploy = False
     # 6. build container (if needed)
     if not deployment_record or deployment_record.attributes.application != app.id:
-        # TODO: pull from request
-        extra_build_args = []
-        build_container_image(app, deployment_container_tag, extra_build_args, log_file)
-        push_container_image(deployment_dir, log_file)
         needs_k8s_deploy = True
+        # check if the image already exists
+        shared_tag_exists = remote_image_exists(image_registry, app_image_shared_tag)
+        if shared_tag_exists and not force_rebuild:
+            # simply add our unique tag to the existing image and we are done
+            print(f"Using existing app image {app_image_shared_tag} for {deployment_container_tag}", file=log_file)
+            add_tags_to_image(image_registry, app_image_shared_tag, deployment_container_tag)
+        else:
+            extra_build_args = []  # TODO: pull from request
+            build_container_image(app, deployment_container_tag, extra_build_args, log_file)
+            push_container_image(deployment_dir, log_file)
+            # The build/push commands above will use the unique deployment tag, so now we need to add the shared tag.
+            print(f"Updating app image tag {app_image_shared_tag} from build of {deployment_container_tag}", file=log_file)
+            add_tags_to_image(image_registry, deployment_container_tag, app_image_shared_tag)
 
     # 7. update config (if needed)
     if not deployment_record or file_hash(deployment_config_file) != deployment_record.attributes.meta.config:
@@ -171,12 +184,13 @@ def dump_known_requests(filename, requests, status="SEEN"):
 @click.option("--dry-run", help="Don't do anything, just report what would be done.", is_flag=True)
 @click.option("--include-tags", help="Only include requests with matching tags (comma-separated).", default="")
 @click.option("--exclude-tags", help="Exclude requests with matching tags (comma-separated).", default="")
+@click.option("--force-rebuild", help="Rebuild even if the image already exists.", is_flag=True)
 @click.option("--log-dir", help="Output build/deployment logs to directory.", default=None)
 @click.pass_context
 def command(ctx, kube_config, laconic_config, image_registry, deployment_parent_dir,  # noqa: C901
             request_id, discover, state_file, only_update_state,
             dns_suffix, record_namespace_dns, record_namespace_deployments, dry_run,
-            include_tags, exclude_tags, log_dir):
+            include_tags, exclude_tags, force_rebuild, log_dir):
     if request_id and discover:
         print("Cannot specify both --request-id and --discover", file=sys.stderr)
         sys.exit(2)
@@ -306,6 +320,7 @@ def command(ctx, kube_config, laconic_config, image_registry, deployment_parent_
                     os.path.abspath(deployment_parent_dir),
                     kube_config,
                     image_registry,
+                    force_rebuild,
                     run_log_file
                 )
                 status = "DEPLOYED"

stack_orchestrator/main.py

@@ -17,7 +17,7 @@ import click
 
 from stack_orchestrator.command_types import CommandOptions
 from stack_orchestrator.repos import setup_repositories
-from stack_orchestrator.build import build_containers
+from stack_orchestrator.build import build_containers, fetch_containers
 from stack_orchestrator.build import build_npms
 from stack_orchestrator.build import build_webapp
 from stack_orchestrator.deploy.webapp import (run_webapp,
@@ -52,6 +52,7 @@ def cli(ctx, stack, quiet, verbose, dry_run, local_stack, debug, continue_on_err
 
 cli.add_command(setup_repositories.command, "setup-repositories")
 cli.add_command(build_containers.command, "build-containers")
+cli.add_command(fetch_containers.command, "fetch-containers")
 cli.add_command(build_npms.command, "build-npms")
 cli.add_command(build_webapp.command, "build-webapp")
 cli.add_command(run_webapp.command, "run-webapp")