feat: precondition check #1608

Job	Run time
integration-tests / Plan	6s
integration-tests / Build rock (jenkins)	3m 26s
integration-tests / Build charm (jenkins-k8s)	16m 10s
integration-tests / Plan Image Scanning	3s
integration-tests / Integration tests / Integration tests (test_machine_agent.py)	12m 56s
integration-tests / Integration tests / Integration tests (test_cos.py)	15m 53s
integration-tests / Integration tests / Integration tests (test_k8s_agent.py)	11m 9s
integration-tests / Integration tests / Integration tests (test_plugins_part_2.py)	15m 46s
integration-tests / Integration tests / Integration tests (test_auth_proxy.py)	16m 21s
integration-tests / Integration tests / Integration tests (test_plugins_part_1.py)	16m 37s
integration-tests / Integration tests / Integration tests (test_jenkins.py)	11m 36s
integration-tests / Integration tests / Integration tests (test_ingress.py)	10m 17s
integration-tests / Integration tests / Integration tests (test_external_agent.py)	13m 50s
integration-tests / Integration tests / Integration tests (test_upgrade.py)	10m 15s
integration-tests / Integration tests / Integration tests (test_proxy.py)	10m 13s
integration-tests / Scan Image (ghcr.io-canonical-jenkins-6009b4369df9a111b9c4d0221cca67a03976bcbf-_1.0_amd64.tar)	1m 24s
integration-tests / Required Integration Test Status Checks	4s
	2h 46m 6s

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