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"Error: failed to detect signature algorithm" during first sync with signaturealgorithm = auto in the profile聽#226

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"Error: failed to detect signature algorithm" during first sync with signaturealgorithm = auto in the profile#226

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@sureshanaparti
sureshanaparti
opened on Sep 15, 2026

"Error: failed to detect signature algorithm" during first sync with signaturealgorithm = auto in the profile. Able to continue after setting signaturealgorithm to HmacSHA1.

(testenv172) 馃惐 > sync
馃檲 Error: failed to detect signature algorithm
(testenv172) 馃惐 > sync
馃檲 Error: failed to detect signature algorithm
(testenv172) 馃惐 >
(testenv172) 馃惐 > list virtualmachines
馃檲 Error: failed to detect signature algorithm
(testenv172) 馃惐 >

profile:

[testenv172]
url        = http://10.0.x.x:8080/client/api
domain       = /
username      = admin
password      = password
apikey       = ...
secretkey     = ...
signaturealgorithm = auto

noticed in cmk v6.6.0 rc1.

Activity

  1. weizhouapache commented on Sep 15, 2026

    @weizhouapache
    weizhouapache
    on Sep 15, 2026
    Member

    @sureshanaparti
    what if there is not a setting signaturealgorithm in the cmk config ?

  2. sureshanaparti commented on Sep 15, 2026

    @sureshanaparti
    sureshanaparti
    on Sep 15, 2026
    ContributorAuthor

    @weizhouapache when signaturealgorithm is not there in the profile, cmk added this - "signaturealgorithm = HmacSHA1".

  3. weizhouapache commented on Sep 16, 2026

    @weizhouapache
    weizhouapache
    on Sep 16, 2026
    Member

    @sureshanaparti
    the issue is because apikey/secretkey is wrong in .cmk/config

    in the past or signaturealgorithm = HmacSHA1, if the apikey is wrong, it will fall back to use the username/password
    now with signaturealgorithm = auto, cmk will fail with failed to detect signature algorithm

    please retry after cleaning up the apikey and secretkey in .cmk/config

    cc @nvazquez @borisstoyanov

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