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# python
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fierce-market-67222
02/21/2022, 1:21 PMHello i want to overwrite an env_var in a helm chart via transformations, the code is below, any ideea how can i get this done? Thank you
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def set_deployment_env_var(obj, opts):
if obj["kind"] == "Deployment":
obj["spec"]["template"]["spec"]["containers[0]"] = [
{
"env": [
{
"name": "RELEASE_DATE",
"value": "....."
},
]
}
]p
prehistoric-activity-61023
02/21/2022, 2:45 PMhmm, does it work for you?
the part
obj["spec"]["template"]["spec"]["containers[0]"]I haven’t tested that but I’d write:
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obj["spec"]["template"]["spec"]["containers"][0]["env"] = ...containerscontainers[X]If you ask how to overwrite an entry within a list in python, you can do something like that:
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from typing import List, Dict
...
def overwrite_env(envs: List[Dict], name: str, new_value: str) -> bool:
for env in envs:
if env["name"] == name:
env["value"] = new_value
return True
return False
...
def set_deployment_env_var(obj, opts):
if obj["kind"] == "Deployment":
envs = obj["spec"]["template"]["spec"]["containers"][0]["env"]
overwrite_env(envs, "RELASE_DATE", "my-new-value-as-string")f
fierce-market-67222
02/21/2022, 9:00 PMthank you worked like a charm 😄
🙌 1