Add deployment update and deploy-webapp-from-registry commands. (#676)

stack_orchestrator/data/container-build/cerc-laconic-registry-cli/demo-records/demo-record-10.yml

@@ -0,0 +1,14 @@
+record:
+  type: ApplicationDeploymentRecord
+  version: 1.2.3
+  name: name
+  description: description
+  application: application
+  url: url
+  dns: dns
+  request: request
+  meta:
+    foo: bar
+  tags:
+    - a
+    - b 

stack_orchestrator/data/container-build/cerc-laconic-registry-cli/demo-records/demo-record-11.yml

@@ -0,0 +1,12 @@
+record:
+  type: GeneralRecord
+  version: 1.2.3
+  name: name
+  description: description
+  category: category
+  value: value
+  meta:
+    foo: bar
+  tags:
+    - a
+    - b 

stack_orchestrator/data/container-build/cerc-laconic-registry-cli/demo-records/demo-record-12.yml

@@ -0,0 +1,17 @@
+record:
+  type: ApplicationArtifact
+  version: 1.2.3
+  name: name
+  description: description
+  application: appidgoeshere
+  content_type: content_type
+  os: os
+  cpu: cpu
+  uri:
+    - uri://a
+    - uri://b
+  meta:
+    foo: bar
+  tags:
+    - a
+    - b

stack_orchestrator/data/container-build/cerc-laconic-registry-cli/demo-records/demo-record-7.yml

@@ -0,0 +1,11 @@
+record:
+  type: DnsRecord
+  version: 0.0.1
+  name: "foo"
+  resource_type: "A"
+  value: "bar"
+  meta:
+    foo: bar
+  tags:
+    - a
+    - b

stack_orchestrator/data/container-build/cerc-laconic-registry-cli/demo-records/demo-record-8.yml

@@ -0,0 +1,18 @@
+record:
+  type: ApplicationRecord
+  version: 0.0.1
+  name: my-demo-app
+  description: "Description of my app"
+  homepage: http://my.demo.app
+  license: license
+  author: author
+  repository:
+    - "https://my.demo.repo"
+  repository_ref: "v0.1.0"
+  app_version: "0.1.0"
+  app_type: "webapp"
+  meta:
+    foo: bar
+  tags:
+    - a
+    - b

stack_orchestrator/data/container-build/cerc-laconic-registry-cli/demo-records/demo-record-9.yml

@@ -0,0 +1,17 @@
+record:
+  type: ApplicationDeploymentRequest
+  version: 1.2.3
+  application: application
+  dns: dns
+  config:
+    env:
+      ENV_VAR_A: A
+      ENV_VAR_B: B
+  crn:
+    - crn://foo.bar
+    - crn://bar.baz
+  meta:
+    foo: bar
+  tags:
+    - a
+    - b

stack_orchestrator/deploy/compose/deploy_docker.py

@@ -40,6 +40,12 @@ class DockerDeployer(Deployer):
         except DockerException as e:
             raise DeployerException(e)
 
+    def update(self):
+        try:
+            return self.docker.compose.restart()
+        except DockerException as e:
+            raise DeployerException(e)
+
     def status(self):
         try:
             for p in self.docker.compose.ps():

stack_orchestrator/deploy/deploy.py

@@ -120,6 +120,14 @@ def status_operation(ctx):
         ctx.obj.deployer.status()
 
 
+def update_operation(ctx):
+    global_context = ctx.parent.parent.obj
+    if not global_context.dry_run:
+        if global_context.verbose:
+            print("Running compose update")
+        ctx.obj.deployer.update()
+
+
 def ps_operation(ctx):
     global_context = ctx.parent.parent.obj
     if not global_context.dry_run:

stack_orchestrator/deploy/deployer.py

@@ -27,6 +27,10 @@ class Deployer(ABC):
     def down(self, timeout, volumes):
         pass
 
+    @abstractmethod
+    def update(self):
+        pass
+
     @abstractmethod
     def ps(self):
         pass

stack_orchestrator/deploy/deployment.py

@@ -19,7 +19,7 @@ import sys
 from stack_orchestrator import constants
 from stack_orchestrator.deploy.images import push_images_operation
 from stack_orchestrator.deploy.deploy import up_operation, down_operation, ps_operation, port_operation, status_operation
-from stack_orchestrator.deploy.deploy import exec_operation, logs_operation, create_deploy_context
+from stack_orchestrator.deploy.deploy import exec_operation, logs_operation, create_deploy_context, update_operation
 from stack_orchestrator.deploy.deploy_types import DeployCommandContext
 from stack_orchestrator.deploy.deployment_context import DeploymentContext
 
@@ -149,3 +149,10 @@ def logs(ctx, tail, follow, extra_args):
 def status(ctx):
     ctx.obj = make_deploy_context(ctx)
     status_operation(ctx)
+
+
+@command.command()
+@click.pass_context
+def update(ctx):
+    ctx.obj = make_deploy_context(ctx)
+    update_operation(ctx)

stack_orchestrator/deploy/k8s/cluster_info.py

@@ -189,6 +189,7 @@ class ClusterInfo:
                 container = client.V1Container(
                     name=container_name,
                     image=image_to_use,
+                    image_pull_policy="Always",
                     env=envs_from_environment_variables_map(self.environment_variables.map),
                     ports=[client.V1ContainerPort(container_port=port)],
                     volume_mounts=volume_mounts,

stack_orchestrator/deploy/k8s/deploy_k8s.py

@@ -13,6 +13,8 @@
 # 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/>.
 
+from datetime import datetime, timezone
+
 from pathlib import Path
 from kubernetes import client, config
 
@@ -304,6 +306,33 @@ class K8sDeployer(Deployer):
         log_data = self.core_api.read_namespaced_pod_log(k8s_pod_name, namespace="default", container="test")
         return log_stream_from_string(log_data)
 
+    def update(self):
+        self.connect_api()
+        ref_deployment = self.cluster_info.get_deployment()
+
+        deployment = self.apps_api.read_namespaced_deployment(
+            name=ref_deployment.metadata.name,
+            namespace=self.k8s_namespace
+        )
+
+        new_env = ref_deployment.spec.template.spec.containers[0].env
+        for container in deployment.spec.template.spec.containers:
+            old_env = container.env
+            if old_env != new_env:
+                container.env = new_env
+
+        deployment.spec.template.metadata.annotations = {
+            "kubectl.kubernetes.io/restartedAt": datetime.utcnow()
+            .replace(tzinfo=timezone.utc)
+            .isoformat()
+        }
+
+        self.apps_api.patch_namespaced_deployment(
+            name=ref_deployment.metadata.name,
+            namespace=self.k8s_namespace,
+            body=deployment
+        )
+
     def run(self, image: str, command=None, user=None, volumes=None, entrypoint=None, env={}, ports=[], detach=False):
         # We need to figure out how to do this -- check why we're being called first
         pass

stack_orchestrator/deploy/webapp/deploy_webapp.py

@@ -54,26 +54,7 @@ def _fixup_url_spec(spec_file_name: str, url: str):
         wfile.write(contents)
 
 
-@click.group()
+def create_deployment(ctx, deployment_dir, image, url, kube_config, image_registry, env_file):
-@click.pass_context
-def command(ctx):
-    '''manage a webapp deployment'''
-
-    # Check that --stack wasn't supplied
-    if ctx.parent.obj.stack:
-        error_exit("--stack can't be supplied with the deploy-webapp command")
-
-
-@command.command()
-@click.option("--kube-config", help="Provide a config file for a k8s deployment")
-@click.option("--image-registry", help="Provide a container image registry url for this k8s cluster")
-@click.option("--deployment-dir", help="Create deployment files in this directory", required=True)
-@click.option("--image", help="image to deploy", required=True)
-@click.option("--url", help="url to serve", required=True)
-@click.option("--env-file", help="environment file for webapp")
-@click.pass_context
-def create(ctx, deployment_dir, image, url, kube_config, image_registry, env_file):
-    '''create a deployment for the specified webapp container'''
     # Do the equivalent of:
     # 1. laconic-so --stack webapp-template deploy --deploy-to k8s init --output webapp-spec.yml
     #   --config (eqivalent of the contents of my-config.env)
@@ -92,7 +73,7 @@ def create(ctx, deployment_dir, image, url, kube_config, image_registry, env_fil
     # TODO: support env file
     deploy_command_context: DeployCommandContext = create_deploy_context(
         global_options2(ctx), None, stack, None, None, None, env_file, "k8s"
-        )
+    )
     init_operation(
         deploy_command_context,
         stack,
@@ -116,3 +97,27 @@ def create(ctx, deployment_dir, image, url, kube_config, image_registry, env_fil
     # Fix up the container tag inside the deployment compose file
     _fixup_container_tag(deployment_dir, image)
     os.remove(spec_file_name)
+
+
+@click.group()
+@click.pass_context
+def command(ctx):
+    '''manage a webapp deployment'''
+
+    # Check that --stack wasn't supplied
+    if ctx.parent.obj.stack:
+        error_exit("--stack can't be supplied with the deploy-webapp command")
+
+
+@command.command()
+@click.option("--kube-config", help="Provide a config file for a k8s deployment")
+@click.option("--image-registry", help="Provide a container image registry url for this k8s cluster")
+@click.option("--deployment-dir", help="Create deployment files in this directory", required=True)
+@click.option("--image", help="image to deploy", required=True)
+@click.option("--url", help="url to serve", required=True)
+@click.option("--env-file", help="environment file for webapp")
+@click.pass_context
+def create(ctx, deployment_dir, image, url, kube_config, image_registry, env_file):
+    '''create a deployment for the specified webapp container'''
+
+    return create_deployment(ctx, deployment_dir, image, url, kube_config, image_registry, env_file)

stack_orchestrator/deploy/webapp/deploy_webapp_from_registry.py

@@ -0,0 +1,267 @@
+# Copyright ©2023 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 json
+import os
+import shlex
+import shutil
+import sys
+import tempfile
+
+import click
+
+from stack_orchestrator.deploy.webapp import deploy_webapp
+from stack_orchestrator.deploy.webapp.util import (LaconicRegistryClient,
+                                                   build_container_image, push_container_image,
+                                                   file_hash, deploy_to_k8s, publish_deployment,
+                                                   hostname_for_deployment_request, generate_hostname_for_app)
+
+
+def process_app_deployment_request(
+    ctx,
+    laconic: LaconicRegistryClient,
+    app_deployment_request,
+    deployment_record_namespace,
+    dns_record_namespace,
+    dns_suffix,
+    deployment_parent_dir,
+    kube_config,
+    image_registry
+):
+    # 1. look up application
+    app = laconic.get_record(app_deployment_request.attributes.application, require=True)
+
+    # 2. determine dns
+    requested_name = hostname_for_deployment_request(app_deployment_request, laconic)
+
+    # HACK
+    if "." in requested_name:
+        raise Exception("Only unqualified hostnames allowed at this time.")
+
+    fqdn = f"{requested_name}.{dns_suffix}"
+    container_tag = "%s:local" % app.attributes.name.replace("@", "")
+
+    # 3. check ownership of existing dnsrecord vs this request
+    # TODO: Support foreign DNS
+    dns_crn = f"{dns_record_namespace}/{fqdn}"
+    dns_record = laconic.get_record(dns_crn)
+    if dns_record:
+        dns_record_owners = dns_record.owners
+        dns_request_owners = []
+        if dns_record.request:
+            prev_request = laconic.get_record(dns_record.request, require=True)
+            dns_request_owners = prev_request.owners
+
+        owner_match = None
+
+        for owner in app_deployment_request.owners:
+            if owner in dns_request_owners or owner in dns_record_owners:
+                owner_match = owner
+        if owner_match:
+            print("Matched DnsRecord ownership to", owner)
+        else:
+            raise Exception("Unable to confirm ownership of DnsRecord %s for request %s" %
+                            (dns_record.id, app_deployment_request.id))
+
+    # 4. get build and runtime config from request
+    env_filename = None
+    if app_deployment_request.attributes.config and "env" in app_deployment_request.attributes.config:
+        env_filename = tempfile.mktemp()
+        with open(env_filename, 'w') as file:
+            for k, v in app_deployment_request.attributes.config["env"].items():
+                file.write("%s=%s\n" % (k, shlex.quote(str(v))))
+
+    # 5. determine new or existing deployment
+    #   a. check for deployment crn
+    app_deployment_crn = f"{deployment_record_namespace}/{fqdn}"
+    if app_deployment_request.attributes.deployment:
+        app_deployment_crn = app_deployment_request.attributes.deployment
+    if not app_deployment_crn.startswith(deployment_record_namespace):
+        raise Exception("Deployment CRN %s is not in a supported namespace" % app_deployment_request.attributes.deployment)
+
+    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")
+    #   b. check for deployment directory (create if necessary)
+    if not os.path.exists(deployment_dir):
+        if deployment_record:
+            raise ("Deployment record %s exists, but not deployment dir %s. Please remove name." %
+                   (app_deployment_crn, deployment_dir))
+        print("deploy_webapp", deployment_dir)
+        deploy_webapp.create_deployment(ctx, deployment_dir, container_tag,
+                                        f"https://{fqdn}", kube_config, image_registry, env_filename)
+    elif env_filename:
+        shutil.copyfile(env_filename, deployment_config_file)
+
+    needs_k8s_deploy = False
+    # 6. build container (if needed)
+    if not deployment_record or deployment_record.attributes.application != app.id:
+        build_container_image(app, container_tag)
+        push_container_image(deployment_dir)
+        needs_k8s_deploy = True
+
+    # 7. update config (if needed)
+    if not deployment_record or file_hash(deployment_config_file) != deployment_record.attributes.meta.config:
+        needs_k8s_deploy = True
+
+    # 8. update k8s deployment
+    if needs_k8s_deploy:
+        print("Deploying to k8s")
+        deploy_to_k8s(
+            deployment_record,
+            deployment_dir,
+        )
+
+    publish_deployment(
+        laconic,
+        app,
+        deployment_record,
+        app_deployment_crn,
+        dns_record,
+        dns_crn,
+        deployment_dir,
+        app_deployment_request
+    )
+
+
+def load_known_requests(filename):
+    if filename and os.path.exists(filename):
+        return json.load(open(filename, "r"))
+    return {}
+
+
+def dump_known_requests(filename, requests):
+    if not filename:
+        return
+    known_requests = load_known_requests(filename)
+    for r in requests:
+        known_requests[r.id] = r.createTime
+    json.dump(known_requests, open(filename, "w"))
+
+
+@click.command()
+@click.option("--kube-config", help="Provide a config file for a k8s deployment")
+@click.option("--kube-config", help="Provide a config file for a k8s deployment")
+@click.option("--laconic-config", help="Provide a config file for laconicd", required=True)
+@click.option("--image-registry", help="Provide a container image registry url for this k8s cluster")
+@click.option("--deployment-parent-dir", help="Create deployment directories beneath this directory", required=True)
+@click.option("--request-id", help="The ApplicationDeploymentRequest to process")
+@click.option("--discover", help="Discover and process all pending ApplicationDeploymentRequests", is_flag=True, default=False)
+@click.option("--state-file", help="File to store state about previously seen requests.")
+@click.option("--only-update-state", help="Only update the state file, don't process any requests anything.", is_flag=True)
+@click.option("--dns-suffix", help="DNS domain to use eg, laconic.servesthe.world")
+@click.option("--record-namespace-dns", help="eg, crn://laconic/dns")
+@click.option("--record-namespace-deployments", help="eg, crn://laconic/deployments")
+@click.pass_context
+def command(ctx, kube_config, laconic_config, image_registry, deployment_parent_dir,
+            request_id, discover, state_file, only_update_state,
+            dns_suffix, record_namespace_dns, record_namespace_deployments):
+    if request_id and discover:
+        print("Cannot specify both --request-id and --discover", file=sys.stderr)
+        sys.exit(2)
+
+    if not request_id and not discover:
+        print("Must specify either --request-id or --discover", file=sys.stderr)
+        sys.exit(2)
+
+    if only_update_state and not state_file:
+        print("--only-update-state requires --state-file", file=sys.stderr)
+        sys.exit(2)
+
+    if not only_update_state:
+        if not record_namespace_dns or not record_namespace_deployments or not dns_suffix:
+            print("--dns-suffix, --record-namespace-dns, and --record-namespace-deployments are all required", file=sys.stderr)
+            sys.exit(2)
+
+    laconic = LaconicRegistryClient(laconic_config)
+
+    # Find deployment requests.
+    # single request
+    if request_id:
+        requests = [laconic.get_record(request_id, require=True)]
+    # all requests
+    elif discover:
+        requests = laconic.app_deployment_requests()
+
+    if only_update_state:
+        dump_known_requests(state_file, requests)
+        return
+
+    previous_requests = load_known_requests(state_file)
+
+    # Collapse related requests.
+    requests.sort(key=lambda r: r.createTime)
+    requests.reverse()
+    requests_by_name = {}
+    for r in requests:
+        app = laconic.get_record(r.attributes.application)
+        if not app:
+            print("Skipping request %s, cannot locate app." % r.id)
+            continue
+
+        requested_name = r.attributes.dns
+        if not requested_name:
+            requested_name = generate_hostname_for_app(app)
+            print("Generating name %s for request %s." % (requested_name, r.id))
+
+        if requested_name not in requests_by_name:
+            print(
+                "Found request %s to run application %s on %s."
+                % (r.id, r.attributes.application, requested_name)
+            )
+            requests_by_name[requested_name] = r
+        else:
+            print(
+                "Ignoring request %s, it is superseded by %s."
+                % (r.id, requests_by_name[requested_name].id)
+            )
+
+    # Find deployments.
+    deployments = laconic.app_deployments()
+    deployments_by_request = {}
+    for d in deployments:
+        if d.attributes.request:
+            deployments_by_request[d.attributes.request] = d
+
+    requests_to_execute = []
+    for r in requests_by_name.values():
+        if r.id not in deployments_by_request:
+            if r.id not in previous_requests:
+                print(f"Request {r.id} needs to processed.")
+                requests_to_execute.append(r)
+            else:
+                print(
+                    f"Skipping unsatisfied request {r.id} because we have seen it before."
+                )
+        else:
+            print(f"Found satisfied request {r.id} at {deployments_by_request[r.id].names[0]}")
+
+    print("Found %d unsatisfied request(s) to process." % len(requests_to_execute))
+
+    for r in requests_to_execute:
+        try:
+            process_app_deployment_request(
+                ctx,
+                laconic,
+                r,
+                record_namespace_deployments,
+                record_namespace_dns,
+                dns_suffix,
+                deployment_parent_dir,
+                kube_config,
+                image_registry
+            )
+        finally:
+            dump_known_requests(state_file, [r])

stack_orchestrator/deploy/webapp/util.py

@@ -0,0 +1,303 @@
+# Copyright © 2023 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 hashlib
+import json
+import os
+import random
+import subprocess
+import sys
+import tempfile
+import uuid
+
+import yaml
+
+
+class AttrDict(dict):
+    def __init__(self, *args, **kwargs):
+        super(AttrDict, self).__init__(*args, **kwargs)
+        self.__dict__ = self
+
+    def __getattribute__(self, attr):
+        __dict__ = super(AttrDict, self).__getattribute__("__dict__")
+        if attr in __dict__:
+            v = super(AttrDict, self).__getattribute__(attr)
+            if isinstance(v, dict):
+                return AttrDict(v)
+            return v
+
+
+def cmd(*vargs):
+    try:
+        result = subprocess.run(vargs, capture_output=True)
+        result.check_returncode()
+        return result.stdout.decode()
+    except Exception as err:
+        print(result.stderr.decode())
+        raise err
+
+
+class LaconicRegistryClient:
+    def __init__(self, config_file):
+        self.config_file = config_file
+        self.cache = AttrDict(
+            {
+                "name_or_id": {},
+            }
+        )
+
+    def list_records(self, criteria={}, all=False):
+        args = ["laconic", "-c", self.config_file, "cns", "record", "list"]
+
+        if all:
+            args.append("--all")
+
+        if criteria:
+            for k, v in criteria.items():
+                args.append("--%s" % k)
+                args.append(str(v))
+
+        results = [AttrDict(r) for r in json.loads(cmd(*args))]
+
+        # Most recent records first
+        results.sort(key=lambda r: r.createTime)
+        results.reverse()
+
+        return results
+
+    def is_crn(self, name_or_id: str):
+        if name_or_id:
+            return str(name_or_id).startswith("crn://")
+        return False
+
+    def is_id(self, name_or_id: str):
+        return not self.is_crn(name_or_id)
+
+    def _add_to_cache(self, records):
+        if not records:
+            return
+
+        for p in records:
+            self.cache["name_or_id"][p.id] = p
+            if p.names:
+                for crn in p.names:
+                    self.cache["name_or_id"][crn] = p
+            if p.attributes.type not in self.cache:
+                self.cache[p.attributes.type] = []
+            self.cache[p.attributes.type].append(p)
+
+    def resolve(self, name):
+        if not name:
+            return None
+
+        if name in self.cache.name_or_id:
+            return self.cache.name_or_id[name]
+
+        args = ["laconic", "-c", self.config_file, "cns", "name", "resolve", name]
+
+        parsed = [AttrDict(r) for r in json.loads(cmd(*args))]
+        if parsed:
+            self._add_to_cache(parsed)
+            return parsed[0]
+
+        return None
+
+    def get_record(self, name_or_id, require=False):
+        if not name_or_id:
+            if require:
+                raise Exception("Cannot locate record:", name_or_id)
+            return None
+
+        if name_or_id in self.cache.name_or_id:
+            return self.cache.name_or_id[name_or_id]
+
+        if self.is_crn(name_or_id):
+            return self.resolve(name_or_id)
+
+        args = [
+            "laconic",
+            "-c",
+            self.config_file,
+            "cns",
+            "record",
+            "get",
+            "--id",
+            name_or_id,
+        ]
+
+        parsed = [AttrDict(r) for r in json.loads(cmd(*args))]
+        if len(parsed):
+            self._add_to_cache(parsed)
+            return parsed[0]
+
+        if require:
+            raise Exception("Cannot locate record:", name_or_id)
+        return None
+
+    def app_deployment_requests(self):
+        return self.list_records({"type": "ApplicationDeploymentRequest"}, True)
+
+    def app_deployments(self):
+        return self.list_records({"type": "ApplicationDeploymentRecord"})
+
+    def publish(self, record, names=[]):
+        tmpdir = tempfile.mkdtemp()
+        try:
+            record_fname = os.path.join(tmpdir, "record.yml")
+            record_file = open(record_fname, 'w')
+            yaml.dump(record, record_file)
+            record_file.close()
+            print(open(record_fname, 'r').read())
+
+            new_record_id = json.loads(
+                cmd("laconic", "-c", self.config_file, "cns", "record", "publish", "--filename", record_fname)
+            )["id"]
+            for name in names:
+                cmd("laconic", "-c", self.config_file, "cns", "name", "set", name, new_record_id)
+            return new_record_id
+        finally:
+            cmd("rm", "-rf", tmpdir)
+
+
+def file_hash(filename):
+    return hashlib.sha1(open(filename).read().encode()).hexdigest()
+
+
+def build_container_image(app_record, tag, extra_build_args=[]):
+    tmpdir = tempfile.mkdtemp()
+
+    try:
+        record_id = app_record["id"]
+        ref = app_record.attributes.repository_ref
+        repo = random.choice(app_record.attributes.repository)
+        clone_dir = os.path.join(tmpdir, record_id)
+
+        print(f"Cloning repository {repo} to {clone_dir} ...")
+        if ref:
+            result = subprocess.run(["git", "clone", "--depth", "1", "--branch", ref, repo, clone_dir])
+            result.check_returncode()
+        else:
+            result = subprocess.run(["git", "clone", "--depth", "1", repo, clone_dir])
+            result.check_returncode()
+
+        print("Building webapp ...")
+        build_command = [sys.argv[0], "build-webapp", "--source-repo", clone_dir, "--tag", tag]
+        if extra_build_args:
+            build_command.append("--extra-build-args")
+            build_command.append(" ".join(extra_build_args))
+
+        result = subprocess.run(build_command)
+        result.check_returncode()
+    finally:
+        cmd("rm", "-rf", tmpdir)
+
+
+def push_container_image(deployment_dir):
+    print("Pushing image ...")
+    result = subprocess.run([sys.argv[0], "deployment", "--dir", deployment_dir, "push-images"])
+    result.check_returncode()
+
+
+def deploy_to_k8s(deploy_record, deployment_dir):
+    if not deploy_record:
+        command = "up"
+    else:
+        command = "update"
+
+    result = subprocess.run([sys.argv[0], "deployment", "--dir", deployment_dir, command])
+    result.check_returncode()
+
+
+def publish_deployment(laconic: LaconicRegistryClient,
+                       app_record,
+                       deploy_record,
+                       deployment_crn,
+                       dns_record,
+                       dns_crn,
+                       deployment_dir,
+                       app_deployment_request=None):
+    if not deploy_record:
+        deploy_ver = "0.0.1"
+    else:
+        deploy_ver = "0.0.%d" % (int(deploy_record.attributes.version.split(".")[-1]) + 1)
+
+    if not dns_record:
+        dns_ver = "0.0.1"
+    else:
+        dns_ver = "0.0.%d" % (int(dns_record.attributes.version.split(".")[-1]) + 1)
+
+    spec = yaml.full_load(open(os.path.join(deployment_dir, "spec.yml")))
+    fqdn = spec["network"]["http-proxy"][0]["host-name"]
+
+    uniq = uuid.uuid4()
+
+    new_dns_record = {
+        "record": {
+            "type": "DnsRecord",
+            "version": dns_ver,
+            "name": fqdn,
+            "resource_type": "A",
+            "meta": {
+                "so": uniq.hex
+            },
+        }
+    }
+    if app_deployment_request:
+        new_dns_record["record"]["request"] = app_deployment_request.id
+
+    dns_id = laconic.publish(new_dns_record, [dns_crn])
+
+    new_deployment_record = {
+        "record": {
+            "type": "ApplicationDeploymentRecord",
+            "version": deploy_ver,
+            "url": f"https://{fqdn}",
+            "name": app_record.attributes.name,
+            "application": app_record.id,
+            "dns": dns_id,
+            "meta": {
+                "config": file_hash(os.path.join(deployment_dir, "config.env")),
+                "so": uniq.hex
+            },
+        }
+    }
+    if app_deployment_request:
+        new_deployment_record["record"]["request"] = app_deployment_request.id
+
+    deployment_id = laconic.publish(new_deployment_record, [deployment_crn])
+    return {"dns": dns_id, "deployment": deployment_id}
+
+
+def hostname_for_deployment_request(app_deployment_request, laconic):
+    dns_name = app_deployment_request.attributes.dns
+    if not dns_name:
+        app = laconic.get_record(app_deployment_request.attributes.application, require=True)
+        dns_name = generate_hostname_for_app(app)
+    elif dns_name.startswith("crn://"):
+        record = laconic.get_record(dns_name, require=True)
+        dns_name = record.attributes.name
+    return dns_name
+
+
+def generate_hostname_for_app(app):
+    last_part = app.attributes.name.split("/")[-1]
+    m = hashlib.sha256()
+    m.update(app.attributes.name.encode())
+    m.update(b"|")
+    if isinstance(app.attributes.repository, list):
+        m.update(app.attributes.repository[0].encode())
+    else:
+        m.update(app.attributes.repository.encode())
+    return "%s-%s" % (last_part, m.hexdigest()[0:10])

stack_orchestrator/main.py

@@ -20,7 +20,7 @@ from stack_orchestrator.repos import setup_repositories
 from stack_orchestrator.build import build_containers
 from stack_orchestrator.build import build_npms
 from stack_orchestrator.build import build_webapp
-from stack_orchestrator.deploy.webapp import run_webapp, deploy_webapp
+from stack_orchestrator.deploy.webapp import run_webapp, deploy_webapp, deploy_webapp_from_registry
 from stack_orchestrator.deploy import deploy
 from stack_orchestrator import version
 from stack_orchestrator.deploy import deployment
@@ -53,6 +53,7 @@ cli.add_command(build_npms.command, "build-npms")
 cli.add_command(build_webapp.command, "build-webapp")
 cli.add_command(run_webapp.command, "run-webapp")
 cli.add_command(deploy_webapp.command, "deploy-webapp")
+cli.add_command(deploy_webapp_from_registry.command, "deploy-webapp-from-registry")
 cli.add_command(deploy.command, "deploy")  # deploy is an alias for deploy-system
 cli.add_command(deploy.command, "deploy-system")
 cli.add_command(deployment.command, "deployment")