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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,245 @@ | ||
| from typing import Self | ||
| from kubernetes import client | ||
|
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|
|
||
| # This isn't a resource that can be instantiated directly, it's just a thin wrapper. | ||
| class PodSpec: | ||
| obj: client.V1PodSpec | ||
|
|
||
| def __init__(self, obj: client.V1PodSpec) -> None: | ||
| self.obj = obj | ||
|
|
||
| def _init_env(self, container_name: str | None = None) -> client.V1Container: | ||
| container = self.get_container(container_name) | ||
|
|
||
| if container.env_from is None: | ||
| container.env_from = [] | ||
| if container.env is None: | ||
| container.env = [] | ||
|
|
||
| return container | ||
|
|
||
| def with_embedded_env(self, env: dict[str, str], *, container_name: str | None = None) -> Self: | ||
| container = self._init_env(container_name=container_name) | ||
| container.env.extend( | ||
| client.V1EnvVar( | ||
| name=envvar_name, | ||
| value=envvar_value, | ||
| ) | ||
| for envvar_name, envvar_value in env.items() | ||
| ) | ||
| return self | ||
|
|
||
| def with_configmap_env( | ||
| self, | ||
| name: str, | ||
| *, | ||
| mapping: dict[str, str] | None = None, | ||
| container_name: str | None = None, | ||
| ) -> Self: | ||
| container = self._init_env(container_name=container_name) | ||
| if mapping is None: | ||
| container.env_from.append( | ||
| client.V1EnvFromSource( | ||
| config_map_ref=client.V1ConfigMapEnvSource( | ||
| name=name, | ||
| ) | ||
| ) | ||
| ) | ||
| else: | ||
| container.env.extend( | ||
| client.V1EnvVar( | ||
| name=envvar_name, | ||
| value_from=client.V1EnvVarSource( | ||
| config_map_key_ref=client.V1ConfigMapKeySelector( | ||
| name=name, | ||
| key=cm_key, | ||
| ) | ||
| ), | ||
| ) | ||
| for envvar_name, cm_key in mapping.items() | ||
| ) | ||
| return self | ||
|
|
||
| def with_secret_env( | ||
| self, | ||
| name: str, | ||
| *, | ||
| mapping: dict[str, str] | None = None, | ||
| container_name: str | None = None, | ||
| ) -> Self: | ||
| container = self._init_env(container_name=container_name) | ||
| if mapping is None: | ||
| container.env_from.append( | ||
| client.V1EnvFromSource( | ||
| secret_ref=client.V1SecretEnvSource( | ||
| name=name, | ||
| ) | ||
| ) | ||
| ) | ||
| else: | ||
| container.env.extend( | ||
| client.V1EnvVar( | ||
| name=envvar_name, | ||
| value_from=client.V1EnvVarSource( | ||
| secret_key_ref=client.V1SecretKeySelector( | ||
| name=name, | ||
| key=secret_key, | ||
| ) | ||
| ), | ||
| ) | ||
| for envvar_name, secret_key in mapping.items() | ||
| ) | ||
| return self | ||
|
|
||
| def with_configmap_volume( | ||
| self, name: str, mount_path: str, *, container_name: str | None = None | ||
| ) -> Self: | ||
| container = self.get_container(container_name) | ||
| if container.volume_mounts is None: | ||
| container.volume_mounts = [] | ||
|
|
||
| container.volume_mounts.append( | ||
| client.V1VolumeMount( | ||
| name=name, | ||
| mount_path=mount_path, | ||
| ) | ||
| ) | ||
|
|
||
| container.volumes.append( | ||
| client.V1Volume( | ||
| name=name, | ||
| config_map=client.V1ConfigMapVolumeSource( | ||
| name=name, | ||
| ), | ||
| ) | ||
| ) | ||
|
|
||
| return self | ||
|
|
||
| def with_secret_volume( | ||
| self, name: str, mount_path: str, *, container_name: str | None = None | ||
| ) -> Self: | ||
| container = self.get_container(container_name) | ||
| if container.volume_mounts is None: | ||
| container.volume_mounts = [] | ||
|
|
||
| container.volume_mounts.append( | ||
| client.V1VolumeMount( | ||
| name=name, | ||
| mount_path=mount_path, | ||
| ) | ||
| ) | ||
|
|
||
| container.volumes.append( | ||
| client.V1Volume( | ||
| name=name, | ||
| secret=client.V1SecretVolumeSource( | ||
| secret_name=name, | ||
| ), | ||
| ) | ||
| ) | ||
|
|
||
| return self | ||
|
|
||
| def with_pvc_volume( | ||
| self, name: str, mount_path: str, *, container_name: str | None = None | ||
| ) -> Self: | ||
| container = self.get_container(container_name) | ||
| if container.volume_mounts is None: | ||
| container.volume_mounts = [] | ||
|
|
||
| container.volume_mounts.append( | ||
| client.V1VolumeMount( | ||
| name=name, | ||
| mount_path=mount_path, | ||
| ) | ||
| ) | ||
|
|
||
| container.volumes.append( | ||
| client.V1Volume( | ||
| name=name, | ||
| persistent_volume_claim=client.V1PersistentVolumeClaimVolumeSource( | ||
| claim_name=name, | ||
| ), | ||
| ) | ||
| ) | ||
|
|
||
| return self | ||
|
|
||
| def with_arbitrary_volume( | ||
| self, volume: client.V1Volume, mount_path: str, *, container_name: str | None = None | ||
| ) -> Self: | ||
| container = self.get_container(container_name) | ||
| if container.volume_mounts is None: | ||
| container.volume_mounts = [] | ||
|
|
||
| container.volume_mounts.append( | ||
| client.V1VolumeMount( | ||
| name=volume.name, | ||
| mount_path=mount_path, | ||
| ) | ||
| ) | ||
|
|
||
| container.volumes.append(volume) | ||
| return self | ||
|
|
||
| def get_container( | ||
| self, name: str | None = None, *, remove: bool = False | ||
| ) -> client.V1Container: | ||
| container_list = self.obj.spec.template.spec.containers | ||
|
|
||
| if name is None: | ||
| if len(container_list) != 1: | ||
| raise ValueError("If multiple containers, must pass name.") | ||
| return container_list[0] | ||
|
|
||
| for i, container in enumerate(container_list): | ||
| if container.name == name: | ||
| if remove: | ||
| return container_list.pop(i) | ||
| return container | ||
|
|
||
| raise ValueError(f"No such container: {name}") | ||
|
|
||
| def add_container(self, name: str, image: str) -> Self: | ||
| container_list = self.obj.spec.template.spec.containers | ||
|
|
||
| names = set(c.name for c in container_list) | ||
| if name in names: | ||
| raise ValueError(f"Can't use name {name}, already in use.") | ||
|
|
||
| container_list.append( | ||
| client.V1Container( | ||
| name=name, | ||
| image=image, | ||
| ) | ||
| ) | ||
| return self | ||
|
|
||
| def add_arbitrary_container(self, container: client.V1Container) -> int: | ||
| container_list = self.obj.spec.template.spec.containers | ||
|
|
||
| names = set(c.name for c in container_list) | ||
| if container.name in names: | ||
| raise ValueError(f"Can't use name {container.name}, already in use.") | ||
|
|
||
| container_list.append(container) | ||
| return len(container_list) - 1 | ||
|
|
||
| def with_probes( | ||
| self, | ||
| *, | ||
| liveness: client.V1Probe | None = None, | ||
| readiness: client.V1Probe | None = None, | ||
| startup: client.V1Probe | None = None, | ||
| container_name: str | None = None, | ||
| ) -> Self: | ||
| container = self.get_container(container_name) | ||
| if liveness is not None: | ||
| container.liveness_probe = liveness | ||
| if readiness is not None: | ||
| container.readiness_probe = readiness | ||
| if startup is not None: | ||
| container.startup_probe = startup | ||
| return self |
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