This application is configured via the environment. The following environment
variables can be used:

KEY                          TYPE                                           DEFAULT                                                REQUIRED    DESCRIPTION
NSM_NAME                     String                                         firewall-server                                                    Name of Firewall Server
NSM_LISTEN_ON                String                                         listen.on.sock                                                     listen on socket
NSM_CONNECT_TO               URL                                            unix:///var/lib/networkservicemesh/nsm.io.sock                     url to connect to
NSM_MAX_TOKEN_LIFETIME       Duration                                       10m                                                                maximum lifetime of tokens
NSM_SERVICE_NAME             String                                                                                                            Name of providing service
NSM_LABELS                   Comma-separated list of String:String pairs                                                                       Endpoint labels
NSM_ACL_CONFIG_PATH          String                                         /etc/vppagent-firewall/config.yaml                                 Path to ACL config file
NSM_ACLCONFIG                Comma-separated list of                                                                                           configured acl rules
NSM_LOG_LEVEL                String                                         INFO                                                               Log level
NSM_OPENTELEMETRYENDPOINT    String                                         otel-collector.observability.svc.cluster.local:4317                OpenTelemetry Collector Endpoint
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] Setting env variable DLV_LISTEN_APP to a valid dlv '--listen' value will cause the dlv debugger to execute this binary and listen as directed.
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] there are 6 phases which will be executed followed by a success message:
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] the phases include:
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] 1: get config from environment
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] 2: retrieve spiffe svid
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] 3: create grpc client options
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] 4: create firewall network service endpoint
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] 5: create grpc and mount nse
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] 6: register nse with nsm
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] a final success message with start time duration
Apr 28 08:40:03.047 [INFO] [cmd:/bin/app] executing phase 1: get config from environment
Apr 28 08:40:03.049 [ERRO] [acl:config] [cmd:/bin/app] Error reading config file: open /etc/vppagent-firewall/config.yaml: no such file or directory
Apr 28 08:40:03.049 [INFO] [cmd:/bin/app] Config: &main.Config{Name:"nse-passthrough-1-667ffd8b65-7n2t6", ListenOn:"listen.on.sock", ConnectTo:url.URL{Scheme:"unix", Opaque:"", User:(*url.Userinfo)(nil), Host:"", Path:"/var/lib/networkservicemesh/nsm.io.sock", RawPath:"", ForceQuery:false, RawQuery:"", Fragment:"", RawFragment:""}, MaxTokenLifetime:600000000000, ServiceName:"composition", Labels:map[string]string{"app":"passthrough-1"}, ACLConfigPath:"/etc/vppagent-firewall/config.yaml", ACLConfig:[]acl_types.ACLRule(nil), LogLevel:"INFO", OpenTelemetryEndpoint:"otel-collector.observability.svc.cluster.local:4317"}
Apr 28 08:40:03.049 [INFO] [cmd:/bin/app] executing phase 2: retrieving svid, check spire agent logs if this is the last line you see
Apr 28 08:40:04.092 [INFO] [cmd:/bin/app] SVID: "spiffe://example.org/ns/nsm-system/pod/nse-passthrough-1-667ffd8b65-7n2t6/43832ccf-4750-410d-ac00-5d17c7e7fb9c"
Apr 28 08:40:04.092 [INFO] [cmd:/bin/app] executing phase 3: create grpc client options
Apr 28 08:40:04.092 [INFO] [cmd:/bin/app] executing phase 4: create firewall network service endpoint
Apr 28 08:40:04.092 [INFO] Configuration file: "/etc/vpp/helper/vpp.conf" not found, using defaults
Apr 28 08:40:04.094 [INFO] [cmd:/bin/app] executing phase 5: create grpc server and register firewall-server
Apr 28 08:40:04.094 [INFO] [cmd:/bin/app] grpc server started
Apr 28 08:40:04.094 [INFO] [cmd:/bin/app] executing phase 6: register nse with nsm
Apr 28 08:40:04.185 [INFO] nse: name:"nse-passthrough-1-667ffd8b65-7n2t6"  network_service_names:"composition"  network_service_labels:{key:"composition"  value:{labels:{key:"app"  value:"passthrough-1"}  labels:{key:"nodeName"  value:"ip-192-168-128-60.eu-west-1.compute.internal"}}}  url:"unix:///tmp/nse-passthrough-1-667ffd8b65-7n2t6495661147/listen.on.sock"  expiration_time:{seconds:1651135264  nanos:125410322}  initial_registration_time:{seconds:1651135204  nanos:137815802}
Apr 28 08:40:04.185 [INFO] [cmd:/bin/app] startup completed in 1.137792085s
Apr 28 08:40:04.093 [INFO] [cmd:vpp] vpp[15]: buffer: numa[0] falling back to non-hugepage backed buffer pool (vlib_physmem_shared_map_create: pmalloc_map_pages: Unable to lock pages: Cannot allocate memory)
Apr 28 08:40:04.093 [INFO] [cmd:vpp] vpp[15]: vl_api_want_interface_events_t_handler:1635: pid 1: already enabled...