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Adds more environment variable control #16

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Nov 23, 2023
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41 changes: 26 additions & 15 deletions main.go
Original file line number Diff line number Diff line change
@@ -115,42 +115,42 @@ func main() {
"Enable leader election for controller manager. "+
"Enabling this will ensure there is only one active controller manager.")
flag.BoolVar(&mqEnable, "rabbitmq-enabled", true,
"Used primarily for debugging to disable the Message Broker connection.")
"Used primarily for debugging to disable the Message Broker connection (env var: RABBITMQ_ENABLED).")
flag.StringVar(&mqUser, "rabbitmq-username", "guest",
"The username of the rabbitmq user.")
"The username of the rabbitmq user (env var: RABBITMQ_USERNAME).")
flag.StringVar(&mqPass, "rabbitmq-password", "guest",
"The password for the rabbitmq user.")
"The password for the rabbitmq user (env var: RABBITMQ_PASSWORD).")
flag.StringVar(&mqHost, "rabbitmq-hostname", "localhost",
"The hostname for the rabbitmq host.")
"The hostname for the rabbitmq host (env var: RABBITMQ_ADDRESS).")
flag.StringVar(&mqPort, "rabbitmq-port", "5672",
"The port for the rabbitmq host.")
"The port for the rabbitmq host (env var: RABBITMQ_PORT).")
flag.IntVar(&rabbitReconnectRetryInterval, "rabbitmq-reconnect-retry-interval", 30,
"The retry interval for rabbitmq.")
flag.BoolVar(&burnAfterReading, "burn-after-reading", false,
"Remove insights configmaps after they have been processed.")
"Remove insights configmaps after they have been processed (env var: BURN_AFTER_READING).")
flag.StringVar(&clearConfigmapCronSched, "clear-configmap-sched", "* * * * *",
"The cron schedule specifying how often insightType configmaps should be cleared.")
"The cron schedule specifying how often insightType configmaps should be cleared (env var: CLEAR_CONFIGMAP_SCHED).")

flag.StringVar(&insightsTokenSecret, "insights-token-secret", "testsecret",
"The secret used to create the insights tokens used to communicate back to the webservice (can be set with env var INSIGHTS_TOKEN_SECRET).")
insightsTokenSecret = getEnv("INSIGHTS_TOKEN_SECRET", insightsTokenSecret)
"The secret used to create the insights tokens used to communicate back to the webservice (env var: INSIGHTS_TOKEN_SECRET).")

flag.BoolVar(&enableCMReconciler, "enable-configmap-reconciler", true,
"Enable the configmap reconciler.")
"Enable the configmap reconciler (env var: ENABLE_CONFIGMAP_RECONCILER).")

flag.BoolVar(&enableNSReconciler, "enable-namespace-reconciler", true,
"enable-namespace-reconciler.")
"enable-namespace-reconciler (env var: ENABLE_NAMESPACE_RECONCILER).")

flag.BoolVar(&enableInsightDeferred, "enable-insights-deferred", false,
"Delete insights after certain time.")
"Delete insights after certain time (env var: ENABLE_INSIGHTS_DEFERRED).")

flag.BoolVar(&enableWebservice, "enable-webservice", true,
"Enables json endpoint for writing insights data.")
"Enables json endpoint for writing insights data (env var: ENABLE_WEBSERVICE).")

flag.StringVar(&tokenTargetLabel, "token-target-label", "",
"Constrain webservice token generation to namespaces with this label.")
"Constrain webservice token generation to namespaces with this label (env var: TOKEN_TARGET_LABEL).")

flag.StringVar(&webservicePort, "webservice-port", "8888", "Port on which we expose the JSON webservice.")
flag.StringVar(&webservicePort, "webservice-port", "8888",
"Port on which we expose the JSON webservice (env var: WEBSERVICE_PORT).")

flag.BoolVar(&generateTokenOnly, "generate-token-only", false, "Generate a token and exit.")

@@ -188,11 +188,22 @@ func main() {
}

//Grab overrides from environment where appropriate

mqUser = getEnv("RABBITMQ_USERNAME", mqUser)
mqPass = getEnv("RABBITMQ_PASSWORD", mqPass)
mqHost = getEnv("RABBITMQ_ADDRESS", mqHost)
//rabbitReconnectRetryInterval = getEnv("RABBITMQ_RECONNECT_RETRY_INTERVAL", rabbitReconnectRetryInterval)
mqEnable = getEnvBool("RABBITMQ_ENABLED", mqEnable)
mqPort = getEnv("RABBITMQ_PORT", mqPort)

insightsTokenSecret = getEnv("INSIGHTS_TOKEN_SECRET", insightsTokenSecret)
clearConfigmapCronSched = getEnv("CLEAR_CONFIGMAP_SCHED", clearConfigmapCronSched)
enableCMReconciler = getEnvBool("ENABLE_CONFIGMAP_RECONCILER", enableNSReconciler)
enableInsightDeferred = getEnvBool("ENABLE_INSIGHTS_DEFERRED", enableInsightDeferred)
enableNSReconciler = getEnvBool("ENABLE_NAMESPACE_RECONCILER", enableNSReconciler)
enableWebservice = getEnvBool("ENABLE_WEBSERVICE", enableWebservice)
tokenTargetLabel = getEnv("TOKEN_TARGET_LABEL", tokenTargetLabel)
webservicePort = getEnv("WEBSERVICE_PORT", webservicePort)
//Check burn after reading value from environment
if getEnv("BURN_AFTER_READING", "FALSE") == "TRUE" {
log.Printf("Burn-after-reading enabled via environment variable")