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*.charm | ||
build/ |
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ops==1.1.0 | ||
git+https://github.com/juju-solutions/resource-oci-image@1964d748022b762b9dce6e8bb7bdf12835102c72 |
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#!/usr/bin/env python3 | ||
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import logging | ||
from pathlib import Path | ||
from random import choices | ||
from string import ascii_uppercase, digits | ||
from typing import Union, Callable | ||
from ops.charm import CharmBase | ||
from ops.main import main | ||
from ops.model import ActiveStatus, MaintenanceStatus | ||
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from oci_image import OCIImageResource, OCIImageResourceError | ||
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log = logging.getLogger() | ||
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def get_or_set(name: str, *, default: Union[str, Callable[[], str]]) -> str: | ||
try: | ||
path = Path(f"/run/{name}") | ||
return path.read_text() | ||
except FileNotFoundError: | ||
value = default() if callable(default) else default | ||
path.write_text(value) | ||
return value | ||
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def gen_pass() -> str: | ||
return "".join(choices(ascii_uppercase + digits, k=30)) | ||
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class MinioCharm(CharmBase): | ||
def __init__(self, *args): | ||
super().__init__(*args) | ||
self.image = OCIImageResource(self, "oci-image") | ||
self.framework.observe(self.on.install, self.set_pod_spec) | ||
self.framework.observe(self.on.upgrade_charm, self.set_pod_spec) | ||
self.framework.observe(self.on.config_changed, self.set_pod_spec) | ||
self.framework.observe(self.on.minio_relation_joined, self.send_info) | ||
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def send_info(self, event): | ||
secret_key = get_or_set("password", default=gen_pass) | ||
event.relation.data[self.unit]["service"] = self.model.app.name | ||
event.relation.data[self.unit]["port"] = str(self.model.config["port"]) | ||
event.relation.data[self.unit]["access-key"] = self.model.config["access-key"] | ||
event.relation.data[self.unit]["secret-key"] = secret_key | ||
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def set_pod_spec(self, event): | ||
if not self.model.unit.is_leader(): | ||
log.info("Not a leader, skipping set_pod_spec") | ||
self.model.unit.status = ActiveStatus() | ||
return | ||
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try: | ||
image_details = self.image.fetch() | ||
except OCIImageResourceError as e: | ||
self.model.unit.status = e.status | ||
log.info(e) | ||
return | ||
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secret_key = get_or_set("password", default=gen_pass) | ||
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self.model.unit.status = MaintenanceStatus("Setting pod spec") | ||
self.model.pod.set_spec( | ||
{ | ||
"version": 3, | ||
"containers": [ | ||
{ | ||
"name": "minio", | ||
"args": ["server", "/data"], | ||
"imageDetails": image_details, | ||
"ports": [ | ||
{ | ||
"name": "minio", | ||
"containerPort": self.model.config["port"], | ||
} | ||
], | ||
"envConfig": { | ||
"MINIO_ACCESS_KEY": self.model.config["access-key"], | ||
"MINIO_SECRET_KEY": secret_key, | ||
}, | ||
} | ||
], | ||
} | ||
) | ||
self.model.unit.status = ActiveStatus() | ||
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if __name__ == "__main__": | ||
main(MinioCharm) |