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fix: unblock flux ACR login on self-hosted runners #706

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alvlia merged 1 commit into from
Aug 20, 2026
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fix: unblock flux ACR login on self-hosted runners #706

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10 changes: 10 additions & 0 deletions .github/workflows/publish-syncroot-main.yaml
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Expand Up @@ -39,6 +39,16 @@ jobs:
name: Publish syncroot artifact
if: github.ref == 'refs/heads/main'
runs-on: self-hosted
# The self-hosted runners are Azure Container App Jobs, which inject a
# managed identity endpoint. flux --provider=azure uses DefaultAzureCredential,
# which then tries ManagedIdentityCredential, gets HTTP 400 (the job has a
# user-assigned identity and flux passes no client id), and aborts the whole
# credential chain before reaching the az login session from azure/login.
# Clearing these makes that step fall through to the CLI credential, which is
# what happens on GitHub-hosted runners.
env:
IDENTITY_ENDPOINT: ""
MSI_ENDPOINT: ""
steps:
- name: Checkout
uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
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