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Tiltfile
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Tiltfile
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load('ext://restart_process', 'docker_build_with_restart')
def compile(
beat="metricbeat",
mode="debug",
arch="arm64",
):
flags = ""
suffix = ""
if mode == "debug":
flags = '-gcflags=all="-N -l"'
suffix = "-debugger"
build_cmd = "CGO_ENABLED=0 GOOS=linux GOARCH={} go build {} -o build/{}{} ../../{}".format(
arch, flags, beat, suffix, beat)
print("Build cmd: {}".format(build_cmd))
resource_name = '{}-compile{}'.format(beat, suffix)
print("Resource name: {}".format(resource_name))
local_resource(
resource_name,
build_cmd,
deps=['.'],
ignore=[
"build",
"Tiltfile"
])
def build(
beat="metricbeat",
mode="run",
k8s_env="kind",
):
docker_image = '{}-{}-image'.format(beat, mode)
if k8s_env == "gcp":
# In order to push to GCR you need
# gcloud auth login
# gcloud auth configure-docker
#
# More info at https://cloud.google.com/container-registry/docs/advanced-authentication#gcloud-helper
docker_registry = "us.gcr.io/elastic-observability".format(
docker_image)
default_registry(docker_registry)
print("Docker registry: {}".format(docker_registry))
print("Docker image: {}".format(docker_image))
docker_file = '{}/Dockerfile.{}'.format(beat, mode)
print("Docker file: {}".format(docker_file))
suffix = ""
if mode == "run":
docker_entrypoint = [
'/usr/share/{}/{}{}'.format(beat, beat, suffix),
]
else:
suffix = "-debugger"
docker_entrypoint = [
"dlv",
"--headless",
"--listen=:56268",
"--api-version=2",
"--log",
"--log-output",
"debugger",
"exec",
"/usr/share/{}/{}{}".format(beat, beat, suffix),
"--"
]
print("Docker entrypoint: {}".format(docker_entrypoint))
docker_build_with_restart(
docker_image,
'.',
entrypoint=docker_entrypoint,
dockerfile=docker_file,
only=["build"],
live_update=[
sync('./build/{}{}', '/usr/share/{}'.format(beat, suffix, beat)),
],
)
def k8s_deploy(
beat="metricbeat",
mode="run",
k8s_cluster="single",
):
if k8s_cluster == "multi":
k8s_manifest = '{}/manifest.{}.{}.yaml'.format(beat, mode, k8s_cluster)
else:
k8s_manifest = '{}/manifest.{}.yaml'.format(beat, mode)
print("K8s manifest: {}".format(k8s_manifest))
k8s_yaml(k8s_manifest)
def k8s_expose(
beat="metricbeat",
mode="run",
k8s_cluster="single",
):
if mode == "run":
k8s_resource(beat)
elif mode == "debug" and k8s_cluster == "multi":
runner_resource = "{}-runner".format(beat)
k8s_resource(runner_resource)
debugger_resource = "{}-debugger".format(beat)
k8s_resource(debugger_resource, port_forwards=56268)
else:
k8s_resource(beat, port_forwards=56268)
allow_k8s_contexts(k8s_context())
# Beat() is used to test beats in k8s cluster
# Parameters:
# `beat`: `metricbeat` to test Metricbeat, `filebeat` to test Filebeat
# `mode`: `debug` to start a remote debugger that you can connect to from your IDE with hot reloading enabled, `run` to just run Metricbeat without a debugger but still with hot reloading enabled
# `arch`: `amd64` to build go binary for amd64 architecture, `arm64` to build go binary for arm64 (aka M1 Apple chip) architecture
# `k8s_env`: `kind` to run against a Kind cluster with no docker repo, `gcp` to use a docker repo on GCP
# `k8s_cluster`: `single` to use a single node k8s cluster, `multi` to use a k8s with more than 1 node.
# if running on a multi-node cluster we expect to have at least 2 workers and a control plane node. One of the workers (eg. worker1)
# should have a taint and a label (for node affinity) to make sure that only the debugger runs on that node. You need to run the following commands:
# kubectl taint nodes worker1 debugger=ok:NoSchedule
# kubectl label nodes worker1 debugger=ok
# More info on Taints and Tolerations at https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/.
# More on node affinity at https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#affinity-and-anti-affinity.
def beat(
beat="metricbeat",
mode="run",
arch="arm64",
k8s_env="kind",
k8s_cluster="single",
**kwargs):
if beat not in ["metricbeat", "filebeat"]:
print("Invalid beat: {}".format(beat))
exit(-1)
if mode not in ["run", "debug"]:
print("Invalid mode: {}".format(mode))
exit(-1)
if arch not in ["arm64", "amd64"]:
print("Invalid arch: {}".format(arch))
exit(-1)
if k8s_env not in ["kind", "gcp"]:
print("Invalid k8s_env: {}".format(k8s_env))
exit(-1)
if k8s_cluster not in ["single", "multi"]:
print("Invalid k8s_cluster: {}".format(k8s_cluster))
exit(-1)
print("Mode: {}".format(mode))
print("Beat: {}".format(beat))
print("Arch: {}".format(arch))
print("K8s_env: {}".format(k8s_env))
print("K8s_cluster: {}".format(k8s_cluster))
if k8s_cluster == "multi" and mode == "run":
print("K8s_cluter=multi and mode=run is not supported yet")
exit(-1)
if beat == "filebeat" and k8s_cluster == "multi":
print("K8s_cluter=multi and beat=filebeat is not supported yet")
exit(-1)
# Compile
if k8s_cluster == "multi":
compile(beat=beat, mode="debug", arch=arch)
compile(beat=beat, mode="run", arch=arch)
else:
compile(beat=beat, mode=mode, arch=arch)
# Docker Build
if k8s_cluster == "multi":
build(beat=beat, mode="debug", k8s_env=k8s_env)
build(beat=beat, mode="run", k8s_env=k8s_env)
else:
build(beat=beat, mode=mode, k8s_env=k8s_env)
# Deploy to k8s
k8s_deploy(beat=beat, mode=mode, k8s_cluster=k8s_cluster)
# ## Expose resource
k8s_expose(beat=beat, mode=mode, k8s_cluster=k8s_cluster)
beat(beat="metricbeat",
mode="debug",
arch="arm64",
k8s_env="kind",
k8s_cluster="multi",
)