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Tiltfile
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Tiltfile
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# -*- mode: Python -*-
envsubst_cmd = "./hack/tools/bin/envsubst"
tools_bin = "./hack/tools/bin"
kubectl_cmd = "./hack/tools/bin/kubectl"
kind_cmd = "./hack/tools/bin/kind"
#Add tools to path
os.putenv("PATH", os.getenv("PATH") + ":" + tools_bin)
update_settings(k8s_upsert_timeout_secs = 60) # on first tilt up, often can take longer than 30 seconds
# set defaults
settings = {
"allowed_contexts": [
"kind-capg",
],
"deploy_cert_manager": True,
"preload_images_for_kind": True,
"kind_cluster_name": "capg",
"capi_version": "v1.7.3",
"cert_manager_version": "v1.14.4",
"kubernetes_version": "v1.29.3",
}
keys = ["GCP_B64ENCODED_CREDENTIALS"]
# global settings
settings.update(read_json(
"tilt-settings.json",
default = {},
))
if settings.get("trigger_mode") == "manual":
trigger_mode(TRIGGER_MODE_MANUAL)
if "allowed_contexts" in settings:
allow_k8s_contexts(settings.get("allowed_contexts"))
if "default_registry" in settings:
default_registry(settings.get("default_registry"))
# 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 = True)
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"]:
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)
def patch_args_with_extra_args(namespace, name, extra_args):
args_str = str(local("{} get deployments {} -n {} -o jsonpath={{.spec.template.spec.containers[0].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/0/args",
"value": args,
}]
local("{} patch deployment {} -n {} --type json -p='{}'".format(kubectl_cmd, name, namespace, str(encode_json(patch)).replace("\n", "")))
# 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)
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)
def fixup_yaml_empty_arrays(yaml_str):
yaml_str = yaml_str.replace("conditions: null", "conditions: []")
return yaml_str.replace("storedVersions: null", "storedVersions: []")
def validate_auth():
substitutions = settings.get("kustomize_substitutions", {})
missing = [k for k in keys if k not in substitutions]
if missing:
fail("missing kustomize_substitutions keys {} in tilt-settings.json".format(missing))
tilt_helper_dockerfile_header = """
# Tilt image
FROM golang:1.18 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
"""
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 .
"""
# Build CAPG and add feature gates
def capg():
# Apply the kustomized yaml for this provider
substitutions = settings.get("kustomize_substitutions", {})
os.environ.update(substitutions)
# yaml = str(kustomizesub("./hack/observability")) # build an observable kind deployment by default
yaml = str(kustomizesub("./config/default"))
# add extra_args if they are defined
if settings.get("extra_args"):
gcp_extra_args = settings.get("extra_args").get("gcp")
if gcp_extra_args:
yaml_dict = decode_yaml_stream(yaml)
append_arg_for_container_in_deployment(yaml_dict, "capg-controller-manager", "capg-system", "cluster-api-gcp-controller", gcp_extra_args)
yaml = str(encode_yaml_stream(yaml_dict))
yaml = fixup_yaml_empty_arrays(yaml)
# 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"],
)
dockerfile_contents = "\n".join([
tilt_helper_dockerfile_header,
tilt_dockerfile_header,
])
entrypoint = ["sh", "/start.sh", "/manager"]
extra_args = settings.get("extra_args")
if extra_args:
entrypoint.extend(extra_args)
# 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 = "gcr.io/k8s-staging-cluster-api-gcp/cluster-api-gcp-controller",
context = "./.tiltbuild/",
dockerfile_contents = dockerfile_contents,
target = "tilt",
entrypoint = entrypoint,
only = "manager",
live_update = [
sync(".tiltbuild/manager", "/manager"),
run("sh /restart.sh"),
],
ignore = ["templates"],
)
k8s_yaml(blob(yaml))
def base64_encode(to_encode):
encode_blob = local("echo '{}' | tr -d '\n' | base64 - | tr -d '\n'".format(to_encode), quiet = True)
return str(encode_blob)
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)
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)
def base64_decode(to_decode):
decode_blob = local("echo '{}' | base64 --decode -".format(to_decode), quiet = True)
return str(decode_blob)
def kustomizesub(folder):
yaml = local("hack/kustomize-sub.sh {}".format(folder), quiet = True)
return yaml
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")
##############################
# Actual work happens here
##############################
validate_auth()
include_user_tilt_files()
load("ext://cert_manager", "deploy_cert_manager")
if settings.get("deploy_cert_manager"):
deploy_cert_manager()
deploy_capi()
capg()
waitforsystem()