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Add check for nova-cc charm ssh known_hosts fail #758

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Oct 25, 2023
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Add check for nova-cc charm ssh known_hosts fail #758

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19 changes: 19 additions & 0 deletions hotsos/defs/scenarios/openstack/openstack_charms/nova_cc_ssh_known_hosts_fail.yaml
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Original file line number Diff line number Diff line change
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checks:
has_error_log:
input: var/log/juju/unit-nova-cloud-controller-*.log
expr: '[\d-]+ [\d:]+ ERROR .+ Could not obtain SSH host key from \S+: reason: Command ''\[''ssh-keyscan'', ''-H'', ''-t'', ''rsa'', ''([\d.:\[\]]+)''\]'' returned non-zero exit status 1.'
constraints:
search-result-age-hours: 168 # 7 days
conclusions:
known_hosts_failed:
decision: has_error_log
raises:
type: OpenstackWarning
message: >-
The nova-cloud-controller charm on this host has failed to populate the
ssh known_hosts for one or more nova-compute unit. A common cause is
when this unit cannot reach the remote compute host on the network for
which it is trying to add the host/address. Please check
that this host is able to reach host {remote}.
format-dict:
remote: '@checks.has_error_log.requires.results_group_1:comma_join'
11 changes: 11 additions & 0 deletions hotsos/defs/tests/scenarios/openstack/openstack_charms/nova_cc_ssh_known_hosts_fail.yaml
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data-root:
files:
var/log/juju/unit-nova-cloud-controller-*.log: |
2023-10-19 13:27:37 ERROR unit.nova-cloud-controller/0.juju-log server.go:316 Could not obtain SSH host key from 10.11.12.2: reason: Command '['ssh-keyscan', '-H', '-t', 'rsa', '10.11.12.2']' returned non-zero exit status 1.
raised-issues:
OpenstackWarning: >-
The nova-cloud-controller charm on this host has failed to populate the ssh
known_hosts for one or more nova-compute unit. A common cause is when this
unit cannot reach the remote compute host on the network for which it is
trying to add the host/address. Please check that this host is able to
reach host 10.11.12.2.
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