|
| 1 | +""" |
| 2 | +Copyright 2024 Google LLC |
| 3 | +
|
| 4 | +Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | +you may not use this file except in compliance with the License. |
| 6 | +You may obtain a copy of the License at |
| 7 | +
|
| 8 | + https://www.apache.org/licenses/LICENSE-2.0 |
| 9 | +
|
| 10 | +Unless required by applicable law or agreed to in writing, software |
| 11 | +distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | +See the License for the specific language governing permissions and |
| 14 | +limitations under the License. |
| 15 | +""" |
| 16 | + |
| 17 | +from packaging.version import Version |
| 18 | +from ..core.commands import run_command_for_value, run_command_with_updates |
| 19 | +from ..utils.console import xpk_print |
| 20 | +import os |
| 21 | +import tempfile |
| 22 | + |
| 23 | +_KUEUE_DEPLOYMENT_NAME = 'kueue-controller-manager' |
| 24 | +_KUEUE_NAMESPACE_NAME = 'kueue-system' |
| 25 | +_CERT_WEBHOOK_DEPLOYMENT_NAME = 'cert-manager-webhook' |
| 26 | +_CERT_WEBHOOK_NAMESPACE_NAME = 'cert-manager' |
| 27 | +_WEBHOOK_PACKAGE = 'mldiagnostics-injection-webhook' |
| 28 | +_WEBHOOK_VERSION = Version('v0.5.0') |
| 29 | +_WEBHOOK_FILENAME = f'{_WEBHOOK_PACKAGE}-v{_WEBHOOK_VERSION}.yaml' |
| 30 | +_OPERATOR_PACKAGE = 'mldiagnostics-connection-operator' |
| 31 | +_OPERATOR_VERSION = Version('v0.5.0') |
| 32 | +_OPERATOR_FILENAME = f'{_OPERATOR_PACKAGE}-v{_OPERATOR_VERSION}.yaml' |
| 33 | +_CERT_MANAGER_VERSION = Version('v1.13.0') |
| 34 | + |
| 35 | + |
| 36 | +def _install_cert_manager(version: Version = _CERT_MANAGER_VERSION) -> int: |
| 37 | + """ |
| 38 | + Apply the cert-manager manifest. |
| 39 | +
|
| 40 | + Returns: |
| 41 | + 0 if successful and 1 otherwise. |
| 42 | + """ |
| 43 | + |
| 44 | + command = ( |
| 45 | + 'kubectl apply -f' |
| 46 | + ' https://github.com/cert-manager/cert-manager/releases/download/' |
| 47 | + f'v{version}/cert-manager.yaml' |
| 48 | + ) |
| 49 | + |
| 50 | + return_code = run_command_with_updates( |
| 51 | + command, f'Applying cert-manager {version} manifest...' |
| 52 | + ) |
| 53 | + |
| 54 | + return return_code |
| 55 | + |
| 56 | + |
| 57 | +def _download_mldiagnostics_yaml(package_name: str, version: Version) -> int: |
| 58 | + """ |
| 59 | + Downloads the mldiagnostics injection webhook YAML from Artifact Registry. |
| 60 | +
|
| 61 | + Returns: |
| 62 | + 0 if successful and 1 otherwise. |
| 63 | + """ |
| 64 | + |
| 65 | + command = ( |
| 66 | + 'gcloud artifacts generic download' |
| 67 | + ' --repository=mldiagnostics-webhook-and-operator-yaml --location=us' |
| 68 | + f' --package={package_name} --version=v{version} --destination=/tmp/' |
| 69 | + ' --project=ai-on-gke' |
| 70 | + ) |
| 71 | + |
| 72 | + return_code, return_output = run_command_for_value( |
| 73 | + command, |
| 74 | + f'Download {package_name} {version}...', |
| 75 | + ) |
| 76 | + |
| 77 | + if return_code != 0: |
| 78 | + if 'already exists' in return_output: |
| 79 | + xpk_print( |
| 80 | + f'Artifact file for {package_name} {version} already exists locally.' |
| 81 | + ' Skipping download.' |
| 82 | + ) |
| 83 | + return 0 |
| 84 | + |
| 85 | + return return_code |
| 86 | + |
| 87 | + |
| 88 | +def _create_mldiagnostics_namespace() -> int: |
| 89 | + """ |
| 90 | + Creates the 'gke-mldiagnostics' namespace. |
| 91 | +
|
| 92 | + Returns: |
| 93 | + 0 if successful and 1 otherwise. |
| 94 | + """ |
| 95 | + |
| 96 | + command = 'kubectl create namespace gke-mldiagnostics' |
| 97 | + |
| 98 | + return_code, return_output = run_command_for_value( |
| 99 | + command, 'Create gke-mldiagnostics namespace...' |
| 100 | + ) |
| 101 | + |
| 102 | + if return_code != 0: |
| 103 | + if 'already exists' in return_output: |
| 104 | + xpk_print('Namespace already exists. Skipping creation.') |
| 105 | + return 0 |
| 106 | + |
| 107 | + return return_code |
| 108 | + |
| 109 | + |
| 110 | +def _install_mldiagnostics_yaml(artifact_filename: str) -> int: |
| 111 | + """ |
| 112 | + Applies the mldiagnostics injection webhook YAML manifest. |
| 113 | +
|
| 114 | + Returns: |
| 115 | + 0 if successful and 1 otherwise. |
| 116 | + """ |
| 117 | + full_artifact_path = os.path.join(tempfile.gettempdir(), artifact_filename) |
| 118 | + |
| 119 | + command = f'kubectl apply -f {full_artifact_path} -n gke-mldiagnostics' |
| 120 | + |
| 121 | + return run_command_with_updates( |
| 122 | + command, |
| 123 | + f'Install {full_artifact_path}...', |
| 124 | + ) |
| 125 | + |
| 126 | + |
| 127 | +def _label_default_namespace_mldiagnostics() -> int: |
| 128 | + """ |
| 129 | + Labels the 'default' namespace with 'managed-mldiagnostics-gke=true'. |
| 130 | +
|
| 131 | + Returns: |
| 132 | + 0 if successful and 1 otherwise. |
| 133 | + """ |
| 134 | + |
| 135 | + command = 'kubectl label namespace default managed-mldiagnostics-gke=true' |
| 136 | + |
| 137 | + return run_command_with_updates( |
| 138 | + command, |
| 139 | + 'Label default namespace with managed-mldiagnostics-gke=true', |
| 140 | + ) |
| 141 | + |
| 142 | + |
| 143 | +def install_mldiagnostics_prerequisites() -> int: |
| 144 | + """ |
| 145 | + Mldiagnostics installation requirements. |
| 146 | +
|
| 147 | + Returns: |
| 148 | + 0 if successful and 1 otherwise. |
| 149 | + """ |
| 150 | + |
| 151 | + if not _wait_for_deployment_ready( |
| 152 | + deployment_name=_KUEUE_DEPLOYMENT_NAME, namespace=_KUEUE_NAMESPACE_NAME |
| 153 | + ): |
| 154 | + xpk_print( |
| 155 | + f'Application {_KUEUE_DEPLOYMENT_NAME} failed to become ready within' |
| 156 | + ' the timeout.' |
| 157 | + ) |
| 158 | + return 1 |
| 159 | + |
| 160 | + return_code = _install_cert_manager() |
| 161 | + if return_code != 0: |
| 162 | + return return_code |
| 163 | + |
| 164 | + cert_webhook_ready = _wait_for_deployment_ready( |
| 165 | + deployment_name=_CERT_WEBHOOK_DEPLOYMENT_NAME, |
| 166 | + namespace=_CERT_WEBHOOK_NAMESPACE_NAME, |
| 167 | + ) |
| 168 | + if not cert_webhook_ready: |
| 169 | + xpk_print('The cert-manager-webhook installation failed.') |
| 170 | + return 1 |
| 171 | + |
| 172 | + return_code = _download_mldiagnostics_yaml( |
| 173 | + package_name=_WEBHOOK_PACKAGE, version=_WEBHOOK_VERSION |
| 174 | + ) |
| 175 | + if return_code != 0: |
| 176 | + return return_code |
| 177 | + |
| 178 | + return_code = _create_mldiagnostics_namespace() |
| 179 | + if return_code != 0: |
| 180 | + return return_code |
| 181 | + |
| 182 | + return_code = _install_mldiagnostics_yaml(artifact_filename=_WEBHOOK_FILENAME) |
| 183 | + if return_code != 0: |
| 184 | + return return_code |
| 185 | + |
| 186 | + return_code = _label_default_namespace_mldiagnostics() |
| 187 | + if return_code != 0: |
| 188 | + return return_code |
| 189 | + |
| 190 | + return_code = _download_mldiagnostics_yaml( |
| 191 | + package_name=_OPERATOR_PACKAGE, version=_OPERATOR_VERSION |
| 192 | + ) |
| 193 | + if return_code != 0: |
| 194 | + return return_code |
| 195 | + |
| 196 | + return_code = _install_mldiagnostics_yaml( |
| 197 | + artifact_filename=_OPERATOR_FILENAME |
| 198 | + ) |
| 199 | + if return_code != 0: |
| 200 | + return return_code |
| 201 | + |
| 202 | + xpk_print( |
| 203 | + 'All mldiagnostics installation and setup steps have been' |
| 204 | + ' successfully completed!' |
| 205 | + ) |
| 206 | + return 0 |
| 207 | + |
| 208 | + |
| 209 | +def _wait_for_deployment_ready( |
| 210 | + deployment_name: str, namespace: str, timeout_seconds: int = 300 |
| 211 | +) -> bool: |
| 212 | + """ |
| 213 | + Polls the Kubernetes Deployment status using kubectl rollout status |
| 214 | + until it successfully rolls out (all replicas are ready) or times out. |
| 215 | +
|
| 216 | + Args: |
| 217 | + deployment_name: The name of the Kubernetes Deployment (e.g., 'kueue-controller-manager'). |
| 218 | + namespace: The namespace where the Deployment is located (e.g., 'kueue-system'). |
| 219 | + timeout_seconds: Timeout duration in seconds (default is 300s / 5 minutes). |
| 220 | +
|
| 221 | + Returns: |
| 222 | + bool: True if the Deployment successfully rolled out, False otherwise (timeout or error). |
| 223 | + """ |
| 224 | + |
| 225 | + command = ( |
| 226 | + f'kubectl rollout status deployment/{deployment_name} -n {namespace}' |
| 227 | + f' --timeout={timeout_seconds}s' |
| 228 | + ) |
| 229 | + |
| 230 | + return_code = run_command_with_updates( |
| 231 | + command, f'Checking status of deployment {deployment_name}...' |
| 232 | + ) |
| 233 | + |
| 234 | + if return_code != 0: |
| 235 | + return False |
| 236 | + |
| 237 | + # When the status changes to 'running,' it might need about 10 seconds to fully stabilize. |
| 238 | + stabilization_seconds = 30 |
| 239 | + stabilization_command = f'sleep {stabilization_seconds}' |
| 240 | + stabilization_code = run_command_with_updates( |
| 241 | + stabilization_command, |
| 242 | + f'Deployment {deployment_name} is ready. Waiting {stabilization_seconds}' |
| 243 | + ' seconds for full stabilization', |
| 244 | + verbose=True, |
| 245 | + ) |
| 246 | + if stabilization_code != 0: |
| 247 | + return False |
| 248 | + |
| 249 | + return True |
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