Ambiguous key verification error

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#61 2 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
github-actions, typescript
Domain
ci-cd, devops

Research direction

Start by reproducing the failure with php vendor/bin/dep deploy test -v --no-interaction --ansi -vvv and inspect the SSH multiplexing initialization output shown in the issue. Done means the host key verification error identifies which host or key caused the failure, including during the deploy failure and unlock steps.

Written by the indexing model from the issue text.

Description

With the recent change to githubs RSA fingerprints we had to update the SSH known hosts secret, but unfortunately github was not the only thing in there ( is there ever a situation were this deployer would run and not need to know the github SSH? ).

However github was not the only host listed, and now deployment fails with host key verification failed, but which key? Who is the host? My key? The private key in secrets? The server we're deploying to? How do I find out?

Here's the output, I've swapped out the IP for 1.2.3.4:

$ php vendor/bin/dep deploy test -v --no-interaction --ansi -vvv 
✈︎ Deploying deploy-test on 1.2.3.4
• done on [1.2.3.4]
➤ Executing task deploy:prepare
[23.94.156.6] > echo $0
[23.94.156.6] < ssh multiplexing initialization
[23.94.156.6] < Host key verification failed.
➤ Executing task deploy:failed
• done on [1.2.3.4]
✔ Ok [0ms]
➤ Executing task deploy:unlock
[23.94.156.6] > rm -f ~/deploy/.dep/deploy.lock
[23.94.156.6] < ssh multiplexing initialization
[23.94.156.6] < Host key verification failed.

Also noting that this is an inherited setup, the person who originally set this up is long gone and unavailable

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Dominant language
TypeScript
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