Fleet Server exits if policy does not have fleet-server package

[simitt]

Fleet Server is exiting if the policy that it subscribes to does not have the Fleet Server package installed.

Following logs are seen

{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","new":{"Host":"0.0.0.0","Port":8220,"TLS":{"Enabled":null,"VerificationMode":"full","Versions":null,"CipherSuites":null,"CAs":null,"Certificate":{"Certificate":"/app/config/certs/node.crt","Key":"[redacted]","Passphrase":""},"CurveTypes":null,"Renegotiation":"never","CASha256":null},"Timeouts":{"Read":60000000000,"Write":600000000000,"Idle":30000000000,"ReadHeader":5000000000,"CheckinTimestamp":30000000000,"CheckinLongPoll":300000000000,"CheckinJitter":30000000000},"Profiler":{"Enabled":false,"Bind":"localhost:6060"},"CompressionLevel":1,"CompressionThresh":1024,"Limits":{"PolicyThrottle":5000000,"MaxHeaderByteSize":8192,"MaxConnections":0,"CheckinLimit":{"Interval":1000000,"Burst":1000,"Max":0,"MaxBody":1048576},"ArtifactLimit":{"Interval":5000000,"Burst":25,"Max":50,"MaxBody":0},"EnrollLimit":{"Interval":10000000,"Burst":100,"Max":50,"MaxBody":524288},"AckLimit":{"Interval":10000000,"Burst":100,"Max":50,"MaxBody":2097152}},"Runtime":{"GCPercent":0},"Bulk":{"FlushInterval":250000000,"FlushThresholdCount":2048,"FlushThresholdSize":1048576,"FlushMaxPending":8}},"@timestamp":"2021-10-06T20:25:15.719Z","message":"initial server configuration"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","@timestamp":"2021-10-06T20:25:15.719Z","message":"starting server on configuration change"}
{"service.name":"fleet-server","service.name":"fleet-server","log.level":"info","log.logger":"fleet-metrics.api","message":"Starting stats endpoint","@timestamp":"2021-10-06T20:25:15.719Z"}
{"service.name":"fleet-server","service.name":"fleet-server","log.level":"info","log.logger":"fleet-metrics.api","message":"Metrics endpoint listening on: /app/elastic-agent/data/tmp/default/fleet-server/fleet-server.sock (configured: unix:///app/elastic-agent/data/tmp/default/fleet-server/fleet-server.sock)","@timestamp":"2021-10-06T20:25:15.72Z"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","name":"d6335d69d89d4a7fbd66c203428a1945","uuid":"D3xF8xknTAO-G5bC0uJ8eA","vers":"7.15.1-SNAPSHOT","@timestamp":"2021-10-06T20:25:15.727Z","message":"Cluster Info"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","opts":{"flushInterval":250,"flushThresholdCnt":2048,"flushThresholdSz":1048576,"maxPending":8,"blockQueueSz":32,"apikeyMaxParallel":120},"@timestamp":"2021-10-06T20:25:15.729Z","message":"Run bulker with options"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","fleet_version":"7.15.1-SNAPSHOT","elasticsearch_version":"7.15.1","@timestamp":"2021-10-06T20:25:15.733Z","message":"versions are compatible"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","name":"d6335d69d89d4a7fbd66c203428a1945","uuid":"D3xF8xknTAO-G5bC0uJ8eA","vers":"7.15.1-SNAPSHOT","@timestamp":"2021-10-06T20:25:15.741Z","message":"Cluster Info"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","limits":{"Interval":1000000,"Burst":1000,"Max":0,"MaxBody":1048576},"long_poll_timeout":300000,"long_poll_timestamp":30000,"long_poll_jitter":30000,"@timestamp":"2021-10-06T20:25:15.743Z","message":"Checkin install limits"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","limits":{"Interval":10000000,"Burst":100,"Max":50,"MaxBody":524288},"@timestamp":"2021-10-06T20:25:15.744Z","message":"Enroller install limits"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","limits":{"Interval":5000000,"Burst":25,"Max":50,"MaxBody":0},"maxParallel":8,"@timestamp":"2021-10-06T20:25:15.744Z","message":"Artifact install limits"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","limits":{"Interval":10000000,"Burst":100,"Max":50,"MaxBody":2097152},"@timestamp":"2021-10-06T20:25:15.744Z","message":"Ack install limits"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","method":"GET","path":"/api/status","@timestamp":"2021-10-06T20:25:15.744Z","message":"Server install route"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","method":"POST","path":"/api/fleet/agents/:id","@timestamp":"2021-10-06T20:25:15.744Z","message":"Server install route"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","method":"POST","path":"/api/fleet/agents/:id/checkin","@timestamp":"2021-10-06T20:25:15.744Z","message":"Server install route"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","method":"POST","path":"/api/fleet/agents/:id/acks","@timestamp":"2021-10-06T20:25:15.744Z","message":"Server install route"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","method":"GET","path":"/api/fleet/artifacts/:id/:sha2","@timestamp":"2021-10-06T20:25:15.744Z","message":"Server install route"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","bind":"0.0.0.0:8220","rdTimeout":60000,"wrTimeout":600000,"@timestamp":"2021-10-06T20:25:15.744Z","message":"server listening"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","@timestamp":"2021-10-06T20:25:15.745Z","message":"server hard connection limiter disabled"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","ctx":"policy agent monitor","throttle":5,"@timestamp":"2021-10-06T20:25:15.744Z","message":"run policy monitor"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","index":".fleet-policies","ctx":"index monitor","@timestamp":"2021-10-06T20:25:15.744Z","message":"start"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","index":".fleet-actions","ctx":"index monitor","@timestamp":"2021-10-06T20:25:15.744Z","message":"start"}
{"log.level":"warn","service.name":"fleet-server","service.name":"fleet-server","ctx":"policy leader manager","@timestamp":"2021-10-06T20:25:15.743Z","message":"missing config fleet.agent.id; acceptable until Elastic Agent has enrolled"}
{"log.level":"error","service.name":"fleet-server","service.name":"fleet-server","error.message":"assigned policy does not have fleet-server input","@timestamp":"2021-10-06T20:25:16.001Z","message":"Policy self monitor exited"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","index":".fleet-actions","ctx":"index monitor","@timestamp":"2021-10-06T20:25:16.001Z","message":"context closed waiting for global checkpoints advance"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","index":".fleet-actions","ctx":"index monitor","@timestamp":"2021-10-06T20:25:16.001Z","message":"exited"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","index":".fleet-policies","ctx":"index monitor","@timestamp":"2021-10-06T20:25:16.002Z","message":"context closed waiting for global checkpoints advance"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","index":".fleet-policies","ctx":"index monitor","@timestamp":"2021-10-06T20:25:16.002Z","message":"exited"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","status":"FAILED","@timestamp":"2021-10-06T20:25:16.002Z","message":"Error - assigned policy does not have fleet-server input"}
{"log.level":"error","service.name":"fleet-server","service.name":"fleet-server","error.message":"assigned policy does not have fleet-server input","@timestamp":"2021-10-06T20:25:16.003Z","message":"Fleet Server failed"}
{"service.name":"fleet-server","service.name":"fleet-server","log.level":"info","log.logger":"fleet-metrics.api","message":"Stats endpoint (/app/elastic-agent/data/tmp/default/fleet-server/fleet-server.sock) finished: accept unix /app/elastic-agent/data/tmp/default/fleet-server/fleet-server.sock: use of closed network connection","@timestamp":"2021-10-06T20:25:16.003Z"}
{"log.level":"info","service.name":"fleet-server","service.name":"fleet-server","status":"STARTING","@timestamp":"2021-10-06T20:25:18.003Z","message":"Starting"}