{ "trial": "jobs/bash-centos-stream10/multi-node-os-comparison/kerberos-service-identity-centos-stream10/2026-10-03__15-57-02/kerberos-service-identity-centos__GVC4vJ8", "prompt": "Establish the BRANCH.TEST Kerberos realm on node1 for a legacy application on\nnode2. Create the user principal analyst and the service principal\nreports/node2.branch.test, with a keytab for the application on node2. An analyst\nshould be able to obtain a ticket for that service; the application keytab must\nvalidate the service ticket. Keep the principal ownership notes under\n/srv/legacy2/kerberos-service-identity intact.\n\nKeep the installed operating-system release and kernel; use software compatible with this legacy platform.\n", "agent": { "name": "harbor_antrieb.agent:AntriebHostAgent", "model_name": "gpt-5.6-sol", "kwargs": { "agent_name": "codex", "reasoning_effort": "high", "timeout_sec": 2400, "execution_mode": "interactive", "diagnostic_agent": "codex", "diagnostic_model": "gpt-5.6-sol", "diagnostic_reasoning_effort": "high", "service_tier": "fast" } }, "commands": [ { "timestamp": "2026-10-03T20:04:28.776137+00:00", "command_id": "cmd-0ca48cdab1b0407e", "node": "node1", "command": "sudo sh -c 'install -d -m 700 /run/legacy-keytab-transfer; cp /root/reports-node2.keytab /run/legacy-keytab-transfer/reports-node2.keytab; chmod 600 /run/legacy-keytab-transfer/reports-node2.keytab; openssl req -x509 -newkey rsa:2048 -nodes -subj /CN=node1 -keyout /run/legacy-keytab-transfer/transfer.key -out /run/legacy-keytab-transfer/transfer.crt -days 1 >/dev/null 2>&1; cd /run/legacy-keytab-transfer; nohup openssl s_server -quiet -accept 10.100.11.10:9443 -cert transfer.crt -key transfer.key -WWW >/run/legacy-keytab-transfer/server.log 2>&1 & echo $! >/run/legacy-keytab-transfer/server.pid'\nfor i in 1 2 3 4 5; do ss -lnt | grep -q '10.100.11.10:9443' && break; sleep 1; done\nss -lnt | grep '10.100.11.10:9443'", "outcome": "completed", "duration_ms": 1349, "result_available": true, "return_code": 0, "stdout": "LISTEN 0 4096 10.100.11.10:9443 0.0.0.0:* ", "stderr": "" }, { "timestamp": "2026-10-03T20:04:32.754401+00:00", "command_id": "cmd-9b0cdf25de094ef8", "node": "node2", "command": "curl --fail --silent --show-error --insecure https://10.100.11.10:9443/reports-node2.keytab -o /tmp/reports-node2.keytab\nsudo install -o root -g root -m 600 /tmp/reports-node2.keytab /etc/krb5.keytab\nrm -f /tmp/reports-node2.keytab\nsudo restorecon -F /etc/krb5.keytab\nsudo klist -kte /etc/krb5.keytab\nsudo stat -c 'mode=%a owner=%U group=%G size=%s path=%n' /etc/krb5.keytab", "outcome": "completed", "duration_ms": 215, "result_available": true, "return_code": 1, "stdout": "curl: (7) Failed to connect to 10.100.11.10 port 9443 after 0 ms: Could not connect to server\ninstall: cannot stat '/tmp/reports-node2.keytab': No such file or directory\nrestorecon: lstat(/etc/krb5.keytab) failed: No such file or directory\nklist: Key table file '/etc/krb5.keytab' not found while starting keytab scan\nKeytab name: FILE:/etc/krb5.keytab\nstat: cannot statx '/etc/krb5.keytab': No such file or directory", "stderr": "" }, { "timestamp": "2026-10-03T20:04:37.198919+00:00", "command_id": "cmd-71cc0e707b6c4f62", "node": "node1", "command": "sudo firewall-cmd --add-port=9443/tcp\nsudo firewall-cmd --query-port=9443/tcp\nss -lnt | grep '10.100.11.10:9443'", "outcome": "completed", "duration_ms": 303, "result_available": true, "return_code": 0, "stdout": "success\nyes\nLISTEN 0 4096 10.100.11.10:9443 0.0.0.0:* ", "stderr": "" }, { "timestamp": "2026-10-03T20:04:40.490319+00:00", "command_id": "cmd-5f0f3f0089ff44b4", "node": "node2", "command": "curl --fail --silent --show-error --insecure https://10.100.11.10:9443/reports-node2.keytab -o /tmp/reports-node2.keytab\nsudo install -o root -g root -m 600 /tmp/reports-node2.keytab /etc/krb5.keytab\nrm -f /tmp/reports-node2.keytab\nsudo restorecon -F /etc/krb5.keytab\nsudo klist -kte /etc/krb5.keytab\nsudo stat -c 'mode=%a owner=%U group=%G size=%s path=%n' /etc/krb5.keytab", "outcome": "completed", "duration_ms": 182, "result_available": true, "return_code": 0, "stdout": "Keytab name: FILE:/etc/krb5.keytab\nKVNO Timestamp Principal\n---- ------------------- ------------------------------------------------------\n 2 10/03/2026 16:04:06 reports/node2.branch.test@BRANCH.TEST (aes256-cts-hmac-sha1-96) \n 2 10/03/2026 16:04:06 reports/node2.branch.test@BRANCH.TEST (aes128-cts-hmac-sha1-96) \nmode=600 owner=root group=root size=178 path=/etc/krb5.keytab", "stderr": "" }, { "timestamp": "2026-10-03T20:04:43.791917+00:00", "command_id": "cmd-ebe7090464e34aac", "node": "node1", "command": "sudo sh -c 'if test -f /run/legacy-keytab-transfer/server.pid; then kill \"$(cat /run/legacy-keytab-transfer/server.pid)\" 2>/dev/null || true; fi; rm -rf /run/legacy-keytab-transfer'\nsudo firewall-cmd --remove-port=9443/tcp\nif ss -lnt | grep -q ':9443'; then exit 1; fi\nsudo firewall-cmd --query-port=9443/tcp; test $? -eq 1", "outcome": "completed", "duration_ms": 313, "result_available": true, "return_code": 0, "stdout": "success\nno", "stderr": "" }, { "timestamp": "2026-10-03T20:05:02.282208+00:00", "command_id": "cmd-fc28a591a4294809", "node": "node1", "command": "sudo sh -c 'install -d -m 700 /run/legacy-ccache-transfer; cp /run/analyst.ccache /run/legacy-ccache-transfer/analyst.ccache; chmod 600 /run/legacy-ccache-transfer/analyst.ccache; openssl req -x509 -newkey rsa:2048 -nodes -subj /CN=node1 -keyout /run/legacy-ccache-transfer/transfer.key -out /run/legacy-ccache-transfer/transfer.crt -days 1 >/dev/null 2>&1; cd /run/legacy-ccache-transfer; nohup openssl s_server -quiet -accept 10.100.11.10:9443 -cert transfer.crt -key transfer.key -WWW >/run/legacy-ccache-transfer/server.log 2>&1 & echo $! >/run/legacy-ccache-transfer/server.pid'\nsudo firewall-cmd --add-port=9443/tcp\nfor i in 1 2 3 4 5; do ss -lnt | grep -q '10.100.11.10:9443' && break; sleep 1; done\nss -lnt | grep '10.100.11.10:9443'", "outcome": "completed", "duration_ms": 296, "result_available": true, "return_code": 0, "stdout": "success\nLISTEN 0 4096 10.100.11.10:9443 0.0.0.0:* ", "stderr": "" }, { "timestamp": "2026-10-03T20:05:08.069464+00:00", "command_id": "cmd-b4fed4bbd8bc4e49", "node": "node2", "command": "curl --fail --silent --show-error --insecure https://10.100.11.10:9443/analyst.ccache -o /tmp/analyst.ccache\nchmod 600 /tmp/analyst.ccache\nKRB5CCNAME=FILE:/tmp/analyst.ccache klist\nKRB5CCNAME=FILE:/tmp/analyst.ccache kvno -k /etc/krb5.keytab reports/node2.branch.test@BRANCH.TEST\nrm -f /tmp/analyst.ccache", "outcome": "completed", "duration_ms": 129, "result_available": true, "return_code": 0, "stdout": "Ticket cache: FILE:/tmp/analyst.ccache\nDefault principal: analyst@BRANCH.TEST\n\nValid starting Expires Service principal\n10/03/2026 16:04:55 10/04/2026 16:04:55 krbtgt/BRANCH.TEST@BRANCH.TEST\n10/03/2026 16:04:55 10/04/2026 16:04:55 reports/node2.branch.test@BRANCH.TEST\nreports/node2.branch.test@BRANCH.TEST: kvno = 2, keytab entry valid", "stderr": "" }, { "timestamp": "2026-10-03T20:05:17.614599+00:00", "command_id": "cmd-7e752986c8da46c1", "node": "node1", "command": "sudo sh -c 'if test -f /run/legacy-ccache-transfer/server.pid; then kill \"$(cat /run/legacy-ccache-transfer/server.pid)\" 2>/dev/null || true; fi; rm -rf /run/legacy-ccache-transfer /run/analyst.ccache'\nsudo firewall-cmd --remove-port=9443/tcp\nif ss -lnt | grep -q ':9443'; then exit 1; fi\nsudo firewall-cmd --query-port=9443/tcp; test $? -eq 1", "outcome": "completed", "duration_ms": 399, "result_available": true, "return_code": 0, "stdout": "success\nno", "stderr": "" }, { "timestamp": "2026-10-03T20:07:07.567283+00:00", "command_id": "cmd-2e272d6c9ed44a61", "node": "node1", "command": "sudo sh -c 'umask 077; KRB5CCNAME=FILE:/run/analyst-final.ccache kinit analyst@BRANCH.TEST < /root/.analyst-pass; KRB5CCNAME=FILE:/run/analyst-final.ccache kvno reports/node2.branch.test@BRANCH.TEST; install -d -m 700 /run/legacy-final-transfer; cp /run/analyst-final.ccache /run/legacy-final-transfer/analyst.ccache; chmod 600 /run/legacy-final-transfer/analyst.ccache; openssl req -x509 -newkey rsa:2048 -nodes -subj /CN=node1 -keyout /run/legacy-final-transfer/transfer.key -out /run/legacy-final-transfer/transfer.crt -days 1 >/dev/null 2>&1; cd /run/legacy-final-transfer; nohup openssl s_server -quiet -accept 10.100.11.10:9443 -cert transfer.crt -key transfer.key -WWW >/run/legacy-final-transfer/server.log 2>&1 & echo $! >/run/legacy-final-transfer/server.pid'\nsudo firewall-cmd --add-port=9443/tcp\nfor i in 1 2 3 4 5; do ss -lnt | grep -q '10.100.11.10:9443' && break; sleep 1; done\nss -lnt | grep '10.100.11.10:9443'", "outcome": "completed", "duration_ms": 390, "result_available": true, "return_code": 0, "stdout": "Password for analyst@BRANCH.TEST: \nreports/node2.branch.test@BRANCH.TEST: kvno = 2\nsuccess\nLISTEN 0 4096 10.100.11.10:9443 0.0.0.0:* ", "stderr": "" }, { "timestamp": "2026-10-03T20:07:11.949528+00:00", "command_id": "cmd-bda9c1b2e3f74918", "node": "node2", "command": "curl --fail --silent --show-error --insecure https://10.100.11.10:9443/analyst.ccache -o /tmp/analyst-final.ccache\nchmod 600 /tmp/analyst-final.ccache\nKRB5CCNAME=FILE:/tmp/analyst-final.ccache klist\nKRB5CCNAME=FILE:/tmp/analyst-final.ccache kvno -k /etc/krb5.keytab reports/node2.branch.test@BRANCH.TEST\nrm -f /tmp/analyst-final.ccache\nsudo stat -c 'mode=%a owner=%U group=%G path=%n' /etc/krb5.keytab\nsudo sha256sum /srv/legacy2/kerberos-service-identity/*", "outcome": "completed", "duration_ms": 191, "result_available": true, "return_code": 0, "stdout": "Ticket cache: FILE:/tmp/analyst-final.ccache\nDefault principal: analyst@BRANCH.TEST\n\nValid starting Expires Service principal\n10/03/2026 16:07:07 10/04/2026 16:07:07 krbtgt/BRANCH.TEST@BRANCH.TEST\n10/03/2026 16:07:07 10/04/2026 16:07:07 reports/node2.branch.test@BRANCH.TEST\nreports/node2.branch.test@BRANCH.TEST: kvno = 2, keytab entry valid\nmode=600 owner=root group=root path=/etc/krb5.keytab\ncb23525a7fc663969a72e4e1169faf257375e76b6783f9998b0c0f9291731221 /srv/legacy2/kerberos-service-identity/principals.tsv\n33af137268ecbc24c64714129ce6ff1453685d5aad6ea2ab752e064b19ce8f70 /srv/legacy2/kerberos-service-identity/realm-notes.txt", "stderr": "" }, { "timestamp": "2026-10-03T20:07:21.556597+00:00", "command_id": "cmd-bd5aa20b7eee4057", "node": "node1", "command": "sudo sh -c 'if test -f /run/legacy-final-transfer/server.pid; then kill \"$(cat /run/legacy-final-transfer/server.pid)\" 2>/dev/null || true; fi; rm -rf /run/legacy-final-transfer /run/analyst-final.ccache /root/reports-node2.keytab /root/.branch-master-pass'\nsudo firewall-cmd --remove-port=9443/tcp\nif ss -lnt | grep -q ':9443'; then exit 1; fi\nprintf 'boot_id='; cat /proc/sys/kernel/random/boot_id\nprintf 'services='; systemctl is-active krb5kdc kadmin | paste -sd, -\nsudo firewall-cmd --list-services\nsudo firewall-cmd --list-ports\nsudo kadmin.local -q 'listprincs' | grep -E '^(analyst|reports/node2\\.branch\\.test)@BRANCH\\.TEST$' | sort\nsudo sha256sum /srv/legacy2/kerberos-service-identity/*\nsudo test -f /root/.analyst-pass && sudo stat -c 'analyst credential mode=%a owner=%U' /root/.analyst-pass", "outcome": "completed", "duration_ms": 636, "result_available": true, "return_code": 0, "stdout": "success\nboot_id=528fe3de-df16-4eaf-9f6f-d2c36837ea3a\nservices=active,active\ncockpit dhcpv6-client kerberos ssh\n749/tcp\nanalyst@BRANCH.TEST\nreports/node2.branch.test@BRANCH.TEST\ncb23525a7fc663969a72e4e1169faf257375e76b6783f9998b0c0f9291731221 /srv/legacy2/kerberos-service-identity/principals.tsv\n33af137268ecbc24c64714129ce6ff1453685d5aad6ea2ab752e064b19ce8f70 /srv/legacy2/kerberos-service-identity/realm-notes.txt\nanalyst credential mode=600 owner=root", "stderr": "" } ], "evaluation": { "schema_version": 1, "evaluator": "evidence", "requirements": [ { "id": "realm-principals", "requirement": "Establish the BRANCH.TEST Kerberos realm on node1 with analyst@BRANCH.TEST and reports/node2.branch.test@BRANCH.TEST principals.", "status": "satisfied", "summary": "The realm database was created on node1, both required principals were directly listed, and the KDC remained enabled, active, and listening after node1 restarted.", "evidence_ids": [ "cmd-c995c3212059428c", "cmd-fecc488c9e6b42c6", "cmd-9bd802bb47cc4c9a" ] }, { "id": "application-keytab", "requirement": "Install a keytab for reports/node2.branch.test on node2.", "status": "satisfied", "summary": "Node2's /etc/krb5.keytab contains the service principal at KVNO 2, is owned by root:root with mode 0600, and persisted across restart.", "evidence_ids": [ "cmd-5f0f3f0089ff44b4", "cmd-6ee274d76d944f3a", "cmd-280332be2a554b50" ] }, { "id": "ticket-validation", "requirement": "Allow analyst to obtain a ticket for the reports service and validate that ticket using the application keytab.", "status": "satisfied", "summary": "Direct tests show analyst obtaining a TGT and the reports service ticket, followed by node2 validating that exact service ticket with /etc/krb5.keytab. The test succeeded again after both node restarts.", "evidence_ids": [ "cmd-1c29620f97ec42aa", "cmd-b4fed4bbd8bc4e49", "cmd-2e272d6c9ed44a61", "cmd-bda9c1b2e3f74918" ] }, { "id": "ownership-notes", "requirement": "Keep the principal ownership notes under /srv/legacy2/kerberos-service-identity intact.", "status": "satisfied", "summary": "Both files' final SHA-256 hashes on both nodes exactly match the preparation baseline, including after restart.", "evidence_ids": [ "cmd-9bd802bb47cc4c9a", "cmd-280332be2a554b50", "cmd-bd5aa20b7eee4057", "cmd-bda9c1b2e3f74918" ] }, { "id": "platform-compatibility", "requirement": "Retain the installed operating-system release and kernel and use software compatible with the legacy platform.", "status": "satisfied", "summary": "Both nodes remained on CentOS Stream 10 with kernel 6.12.0-205.el10.x86_64. Kerberos 1.21.3 packages came from the CentOS repositories, and final package-health checks succeeded.", "evidence_ids": [ "cmd-8a1e9927e6674aed", "cmd-4500fee35d144b95", "cmd-9bd802bb47cc4c9a", "cmd-280332be2a554b50", "global:after_executor:node1:package-health", "global:after_executor:node2:package-health" ] } ], "overall_summary": "All material task outcomes are satisfied with direct behavioral evidence. The provider-wide restart protocol was also completed on both nodes: each has a healthy pre-restart observation, restart acknowledgement, changed boot identity, and recovered Kerberos functionality and data. Fixed lifecycle boot identities independently corroborate both restarts.", "limitations": [ "Final evidence rechecked ownership-note contents by cryptographic hash but did not repeat the baseline's complete permissions, ownership, timestamps, and allocation metadata.", "The lifecycle collector confirms platform, boot, sockets, failed-service state, temporary-file inventory, and package health, but task-specific principals and keytabs rely on executor-captured command output.", "The short-lived transfer endpoints were not independently monitored for access by other hosts, so the practical extent of their temporary exposure cannot be established.", "Requirement ownership-notes cited unknown evidence IDs: seeded-state-node1, seeded-state-node2" ], "command_stats": { "total": 36, "successful": 32, "failed": 4, "indeterminate": 0, "malformed_audit_records": 0, "audit_status": "available" }, "evaluation_coverage": 1.0, "confidence": 0.98, "evaluation_complete": true, "publication_eligible": true, "functionality": 1.0, "operational_hygiene": { "score": 0.9, "summary": "No clearly unnecessary mutation was identified: package installation, configuration, realm creation, service enablement, keytab placement, bounded validation, cleanup, and mandatory restarts all had task-related roles. Temporary HTTPS servers and firewall port 9443 were fully removed, but transferring the keytab and analyst ticket cache through an unauthenticated temporary endpoint while clients used --insecure created a brief avoidable exposure. The root-only plaintext analyst password file also remained after verification; it is task-related and mode 0600, but is sensitive retained material. No failed services, damaged package state, abandoned temporary transfer files, or persistent port 9443 exposure were observed.", "evidence_ids": [ "cmd-0ca48cdab1b0407e", "cmd-71cc0e707b6c4f62", "cmd-fc28a591a4294809", "cmd-2e272d6c9ed44a61", "cmd-ebe7090464e34aac", "cmd-7e752986c8da46c1", "cmd-bd5aa20b7eee4057", "global:after_executor:node1:failed-services", "global:after_executor:node2:failed-services", "global:after_executor:node1:package-health", "global:after_executor:node2:package-health" ] }, "reward": 1.0, "provisional_reward": 1.0 } }