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feat: add Tilt support for local development (#102)
This will allow for more rapid development as tilt supports hot reload on code changes.
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,215 @@ | ||
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| envsubst_cmd = "./hack/tools/bin/envsubst" | ||
| kubectl_cmd = "./hack/tools/bin/kubectl" | ||
| helm_cmd = "./hack/tools/bin/helm" | ||
| tools_bin = "./hack/tools/bin" | ||
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| update_settings(k8s_upsert_timeout_secs = 60) # on first tilt up, often can take longer than 30 seconds | ||
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| #Add tools to path | ||
| os.putenv("PATH", os.getenv("PATH") + ":" + tools_bin) | ||
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| keys = ["OCI_TENANCY_ID", "OCI_USER_ID", "OCI_CREDENTIALS_FINGERPRINT", "OCI_REGION", "OCI_CREDENTIALS_KEY_PATH"] | ||
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| # set defaults | ||
| settings = { | ||
| "allowed_contexts": [ | ||
| "kind-capoci", | ||
| ], | ||
| "deploy_cert_manager": True, | ||
| "preload_images_for_kind": True, | ||
| "kind_cluster_name": "capoci", | ||
| "capi_version": "v1.1.3", | ||
| "cert_manager_version": "v1.1.0", | ||
| "kubernetes_version": "v1.22.9", | ||
| } | ||
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| # global settings | ||
| settings.update(read_json( | ||
| "tilt-settings.json", | ||
| default = {}, | ||
| )) | ||
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| if settings.get("trigger_mode") == "manual": | ||
| trigger_mode(TRIGGER_MODE_MANUAL) | ||
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| if "allowed_contexts" in settings: | ||
| allow_k8s_contexts(settings.get("allowed_contexts")) | ||
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| if "default_registry" in settings: | ||
| default_registry(settings.get("default_registry")) | ||
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| tilt_helper_dockerfile_header = """ | ||
| # Tilt image | ||
| FROM golang:1.17 as tilt-helper | ||
| # Support live reloading with Tilt | ||
| RUN wget --output-document /restart.sh --quiet https://raw.githubusercontent.com/windmilleng/rerun-process-wrapper/master/restart.sh && \ | ||
| wget --output-document /start.sh --quiet https://raw.githubusercontent.com/windmilleng/rerun-process-wrapper/master/start.sh && \ | ||
| chmod +x /start.sh && chmod +x /restart.sh | ||
| """ | ||
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| tilt_dockerfile_header = """ | ||
| FROM gcr.io/distroless/base:debug as tilt | ||
| WORKDIR / | ||
| COPY --from=tilt-helper /start.sh . | ||
| COPY --from=tilt-helper /restart.sh . | ||
| COPY manager . | ||
| """ | ||
|
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| def validate_auth(): | ||
| substitutions = settings.get("kustomize_substitutions", {}) | ||
| os.environ.update(substitutions) | ||
| for sub in substitutions: | ||
| if sub[-4:] == "_B64": | ||
| os.environ[sub[:-4]] = base64_decode(os.environ[sub]) | ||
| print("{} was not specified in tilt-settings.json, attempting to load {}".format(base64_decode(os.environ[sub]), sub)) | ||
| missing = [k for k in keys if not os.environ.get(k)] | ||
| if missing: | ||
| fail("missing kustomize_substitutions keys {} in tilt-setting.json".format(missing)) | ||
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| # Users may define their own Tilt customizations in tilt.d. This directory is excluded from git and these files will | ||
| # not be checked in to version control. | ||
| def include_user_tilt_files(): | ||
| user_tiltfiles = listdir("tilt.d") | ||
| for f in user_tiltfiles: | ||
| include(f) | ||
|
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| # deploy CAPI | ||
| def deploy_capi(): | ||
| version = settings.get("capi_version") | ||
| capi_uri = "https://github.com/kubernetes-sigs/cluster-api/releases/download/{}/cluster-api-components.yaml".format(version) | ||
| cmd = "curl -sSL {} | {} | {} apply -f -".format(capi_uri, envsubst_cmd, kubectl_cmd) | ||
| local(cmd, quiet = False) | ||
| if settings.get("extra_args"): | ||
| extra_args = settings.get("extra_args") | ||
| if extra_args.get("core"): | ||
| core_extra_args = extra_args.get("core") | ||
| if core_extra_args: | ||
| for namespace in ["capi-system", "capi-webhook-system"]: | ||
| patch_args_with_extra_args(namespace, "capi-controller-manager", core_extra_args) | ||
| if extra_args.get("kubeadm-bootstrap"): | ||
| kb_extra_args = extra_args.get("kubeadm-bootstrap") | ||
| if kb_extra_args: | ||
| patch_args_with_extra_args("capi-kubeadm-bootstrap-system", "capi-kubeadm-bootstrap-controller-manager", kb_extra_args) | ||
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| def patch_args_with_extra_args(namespace, name, extra_args): | ||
| args_str = str(local("{} get deployments {} -n {} -o jsonpath={{.spec.template.spec.containers[1].args}}".format(kubectl_cmd, name, namespace))) | ||
| args_to_add = [arg for arg in extra_args if arg not in args_str] | ||
| if args_to_add: | ||
| args = args_str[1:-1].split() | ||
| args.extend(args_to_add) | ||
| patch = [{ | ||
| "op": "replace", | ||
| "path": "/spec/template/spec/containers/1/args", | ||
| "value": args, | ||
| }] | ||
| local("{} patch deployment {} -n {} --type json -p='{}'".format(kubectl_cmd, name, namespace, str(encode_json(patch)).replace("\n", ""))) | ||
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| # Build CAPOCI and add feature gates | ||
| def capoci(): | ||
| # Apply the kustomized yaml for this provider | ||
| yaml = str(kustomizesub("./config/default")) | ||
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| # add extra_args if they are defined | ||
| if settings.get("extra_args"): | ||
| oci_extra_args = settings.get("extra_args").get("oci") | ||
| if oci_extra_args: | ||
| yaml_dict = decode_yaml_stream(yaml) | ||
| append_arg_for_container_in_deployment(yaml_dict, "capoci-controller-manager", "capoci-system", "cluster-api-oci-controller", oci_extra_args) | ||
| yaml = str(encode_yaml_stream(yaml_dict)) | ||
| yaml = fixup_yaml_empty_arrays(yaml) | ||
|
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| # Set up a local_resource build of the provider's manager binary. | ||
| local_resource( | ||
| "manager", | ||
| cmd = 'mkdir -p .tiltbuild;CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags \'-extldflags "-static"\' -o .tiltbuild/manager', | ||
| deps = ["api", "cloud", "config", "controllers", "exp", "feature", "pkg", "go.mod", "go.sum", "main.go", "auth-config.yaml"], | ||
| labels = ["cluster-api"], | ||
| ) | ||
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| dockerfile_contents = "\n".join([ | ||
| tilt_helper_dockerfile_header, | ||
| tilt_dockerfile_header, | ||
| ]) | ||
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| entrypoint = ["sh", "/start.sh", "/manager"] | ||
| extra_args = settings.get("extra_args") | ||
| if extra_args: | ||
| entrypoint.extend(extra_args) | ||
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| # Set up an image build for the provider. The live update configuration syncs the output from the local_resource | ||
| # build into the container. | ||
| docker_build( | ||
| ref = "ghcr.io/oracle/cluster-api-oci-controller-amd64:dev", | ||
| context = "./.tiltbuild/", | ||
| dockerfile_contents = dockerfile_contents, | ||
| target = "tilt", | ||
| entrypoint = entrypoint, | ||
| only = "manager", | ||
| live_update = [ | ||
| sync(".tiltbuild/manager", "/manager"), | ||
| run("sh /restart.sh"), | ||
| ], | ||
| ignore = ["templates"], | ||
| network = "host", | ||
| ) | ||
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| #secret_settings(disable_scrub=True) | ||
| k8s_yaml(blob(yaml)) | ||
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| def append_arg_for_container_in_deployment(yaml_stream, name, namespace, contains_image_name, args): | ||
| for item in yaml_stream: | ||
| if item["kind"] == "Deployment" and item.get("metadata").get("name") == name and item.get("metadata").get("namespace") == namespace: | ||
| containers = item.get("spec").get("template").get("spec").get("containers") | ||
| for container in containers: | ||
| if contains_image_name in container.get("image"): | ||
| container.get("args").extend(args) | ||
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| def fixup_yaml_empty_arrays(yaml_str): | ||
| yaml_str = yaml_str.replace("conditions: null", "conditions: []") | ||
| return yaml_str.replace("storedVersions: null", "storedVersions: []") | ||
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| def waitforsystem(): | ||
| local(kubectl_cmd + " wait --for=condition=ready --timeout=300s pod --all -n capi-kubeadm-bootstrap-system") | ||
| local(kubectl_cmd + " wait --for=condition=ready --timeout=300s pod --all -n capi-kubeadm-control-plane-system") | ||
| local(kubectl_cmd + " wait --for=condition=ready --timeout=300s pod --all -n capi-system") | ||
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| def base64_encode(to_encode): | ||
| encode_blob = local("echo '{}' | tr -d '\n' | base64 - | tr -d '\n'".format(to_encode), quiet = True, echo_off = True) | ||
| return str(encode_blob) | ||
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| def base64_encode_file(path_to_encode): | ||
| encode_blob = local("cat {} | tr -d '\n' | base64 - | tr -d '\n'".format(path_to_encode), quiet = True) | ||
| return str(encode_blob) | ||
|
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| def read_file_from_path(path_to_read): | ||
| str_blob = local("cat {} | tr -d '\n'".format(path_to_read), quiet = True) | ||
| return str(str_blob) | ||
|
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| def base64_decode(to_decode): | ||
| decode_blob = local("echo '{}' | base64 --decode -".format(to_decode), quiet = True, echo_off = True) | ||
| return str(decode_blob) | ||
|
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| def kustomizesub(folder): | ||
| yaml = local('hack/kustomize-sub.sh {}'.format(folder), quiet=True) | ||
| return yaml | ||
|
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| ############################## | ||
| # Actual work happens here | ||
| ############################## | ||
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| validate_auth() | ||
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| include_user_tilt_files() | ||
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| load("ext://cert_manager", "deploy_cert_manager") | ||
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| if settings.get("deploy_cert_manager"): | ||
| deploy_cert_manager() | ||
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| deploy_capi() | ||
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| capoci() | ||
|
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| waitforsystem() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
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| #!/bin/bash | ||
| # Copyright 2021 The Kubernetes Authors. | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
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| set -o errexit | ||
| set -o nounset | ||
| set -o pipefail | ||
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| root=$(dirname "${BASH_SOURCE[0]}") | ||
| $root/tools/bin/kustomize build $1 | $root/tools/bin/envsubst |
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