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Runtime Fabric Basic Troubleshooting

Data pubblicazione: Aug 4, 2025
Operazione

GOAL

To initiate any Runtime Fabric (RTF) troubleshooting, it's necessary to gather some basic information.
This article explains how to get this basic information.
Fasi
Before gathering any information, please make sure that:
  1. Your system meets all the prerequisites: https://docs.mulesoft.com/runtime-fabric/1.4/install-sys-reqs
  2. Your network meets all the prerequisites: https://docs.mulesoft.com/runtime-fabric/1.4/install-port-reqs. How to test connectivity to the control plane: How to test RTF (Runtime Fabric) connectivities to the control plane
  3. You have disabled any antivirus agents, such as McAfee, running on the servers that host your Runtime Fabric
  4. You have installed the Mule Runtime license (this is the license that will be used for Mule Runtime for each application launched). After Runtime Fabric installation, the Mule Runtime license can be reinstalled/renewed as described in: Anypoint Runtime Fabric: Install your organization’s Mule Enterprise license
  5. Verify if the problem is already addressed in the release notes and upgrade Runtime Fabric installation: https://docs.mulesoft.com/release-notes/runtime-fabric/runtime-fabric-release-notes
  6. For problems with inbound traffic to Runtime Fabric (handled by an internal load balancer), verbose logging can be enabled as described here: https://docs.mulesoft.com/runtime-fabric/1.4/enable-inbound-traffic#internal-load-balancer-logs. Release notes for internal load balancer: https://docs.mulesoft.com/release-notes/anypoint-security/anypoint-security-rtf-edge
(NOTE: Even though this article is similar to APCE Troubleshooting first steps, please note that has some minor changes compared to it)
  • Open a shell session to each node, there are two options to do it 
    1. Open "Ops Center" webpage and then from the left panel of Ops Center, select "Servers". You will see each server and the link to connect trough SSH as root.
    2. Directly SSH into your servers as root, as long as you know each server host, port and root password. 
  • For issues during Runtime Fabric installation, the following files should be reviewed or uploaded to a MuleSoft Support case
/var/log/rtf-init.log
/var/log/gravity-install.log
  • As you go running each command you are required to save their output for further troubleshooting. Run the commands on every server. Some commands will yield the same result in any node if the status is healthy, but we require them to be run on every node for confirmation.

  1. Don't enter into gravity, begin by running the following command:

    # df -h
  2. Now access Gravity container by running: 
    # sudo gravity enter

  3. All of the following commands must be run while still inside gravity, please remember to save each output for further study:

    # gravity status   
    # etcdctl cluster-health
    # planet status --pretty
    # docker info | head
    # journalctl -p err -r
    # kubectl get nodes
    # kubectl get pods -o wide --all-namespaces
    # kubectl get events --all-namespaces
  4. If running "kubectl get nodes" you get a node as "Not Ready", run the following for each of the not ready nodes: 
    # kubectl describe node <NODE_NAME>
  5. If running "kubectl get pods -o wide --all-namespaces" you get a pod not in "Running" state, run the following for each of the not running pods 
    # kubectl describe pod <POD_NAME> -n <NAMESPACE_NAME>
  6. Now get out of gravity by running the following: 
    # exit
  7. You may review the outputs on your own or upload them to a MuleSoft Support case to continue helping you. 
Here is an example of the output you should have: 
[root@ip-111-11-18-252 ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        7.4G     0  7.4G   0% /dev
tmpfs           7.4G     0  7.4G   0% /dev/shm
tmpfs           7.4G   25M  7.4G   1% /run
tmpfs           7.4G     0  7.4G   0% /sys/fs/cgroup
/dev/xvda2       80G  5.1G   75G   7% /
/dev/xvdc       100G   16G   85G  16% /var/lib/gravity
/dev/xvdb        60G  473M   60G   1% /var/lib/gravity/planet/etcd
tmpfs           1.5G     0  1.5G   0% /run/user/1000

[root@ip-111-11-27-235 ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        7.4G     0  7.4G   0% /dev
tmpfs           7.4G     0  7.4G   0% /dev/shm
tmpfs           7.4G   25M  7.4G   1% /run
tmpfs           7.4G     0  7.4G   0% /sys/fs/cgroup
/dev/xvda2       80G  2.1G   78G   3% /
/dev/xvdb       100G  6.1G   94G   7% /var/lib/gravity

[root@ip-111-11-27-81 ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        7.4G     0  7.4G   0% /dev
tmpfs           7.4G     0  7.4G   0% /dev/shm
tmpfs           7.4G   25M  7.4G   1% /run
tmpfs           7.4G     0  7.4G   0% /sys/fs/cgroup
/dev/xvda2       80G  2.2G   78G   3% /
/dev/xvdb       100G  4.8G   96G   5% /var/lib/gravity

ip-111-11-18-252:/$ gravity status
Cluster status:         active
Application:            runtime-fabric, version 1.1.1568899909-253f482
Join token:             my-cluster-token
Periodic updates:       Not Configured
Remote support:         Not Configured
Last completed operation:
    * operation_expand (24694ccc-607b-42de-a98c-935309d628b7)
      started:          Mon Oct  7 21:00 UTC (2 days ago)
      completed:        Mon Oct  7 21:04 UTC (2 days ago)
Cluster endpoints:
    * Authentication gateway:
        - 111.11.18.252:32009
    * Cluster management URL:
        - https://111.11.18.252:32009
Cluster nodes:  runtime-fabric
    Masters:
        * ip-111-11-18-252.us-west-2.compute.internal (111.11.18.252, controller_node)
            Status:     healthy
    Nodes:
        * ip-111-11-27-81.us-west-2.compute.internal (111.11.27.81, worker_node)
            Status:     healthy
        * ip-111-11-27-235.us-west-2.compute.internal (111.11.27.235, worker_node)
            Status:     healthy

member 6230b80fbf041027 is healthy: got healthy result from https://111.11.18.252:2379
cluster is healthy

ip-111-11-18-252:/$ planet status --pretty
{
   "status": "running",
   "nodes": [
      {
         "name": "111_11_27_81.runtime-fabric",
         "member_status": {
            "name": "111_11_27_81.runtime-fabric",
            "addr": "111.11.27.81:7496",
            "status": "alive",
            "tags": {
               "publicip": "111.11.27.81",
               "role": "node"
            }
         },
         "status": "running",
         "probes": [
            {
               "checker": "ip-forward",
               "status": "running"
            },
            {
               "checker": "br-netfilter",
               "status": "running"
            },
            {
               "checker": "disk-space",
               "detail": "disk utilization on /var/lib/gravity is below 80 percent (102 GB is available out of 107 GB)",
               "status": "running",
               "checker_data": "eyJoaWdoX3dhdGVybWFyayI6ODAsInBhdGgiOiIvdmFyL2xpYi9ncmF2aXR5IiwidG90YWxfYnl0ZXMiOjEwNzMyMTc1MzYwMCwiYXZhaWxhYmxlX2J5dGVzIjoxMDIyNjc0MDAxOTJ9"
            },
            {
               "checker": "may-detach-mounts",
               "status": "running"
            },
            {
               "checker": "dns",
               "status": "running"
            },
            {
               "checker": "etcd-healthz",
               "status": "running"
            },
            {
               "checker": "nodestatus",
               "status": "running"
            },
            {
               "checker": "docker",
               "status": "running"
            },
            {
               "checker": "kubelet",
               "status": "running"
            },
            {
               "checker": "system-version",
               "detail": "Linux ip-111-11-27-81.us-west-2.compute.internal 3.10.0-1062.1.2.el7.x86_64 #1 SMP Mon Sep 16 14:19:51 EDT 2019 x86_64 GNU/Linux\n",
               "status": "running"
            },
            {
               "checker": "systemd-version",
               "detail": "systemd 241 (241)\n+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid\n",
               "status": "running"
            },
            {
               "checker": "docker-version",
               "detail": "Containers: 10\n Running: 9\n Paused: 0\n Stopped: 1\nImages: 8\nServer Version: 18.06.2-ce\nStorage Driver: overlay2\n Backing Filesystem: xfs\n Supports d_type: true\n Native Overlay Diff: true\nLogging D
river: json-file\nCgroup Driver: cgroupfs\nPlugins:\n Volume: local\n Network: bridge host macvlan null overlay\n Log: awslogs fluentd gcplogs gelf journald json-file logentries splunk syslog\nSwarm: inactive\nRuntimes: runc\nDefaul
t Runtime: runc\nInit Binary: docker-init\ncontainerd version: 468a545b9edcd5932818eb9de8e72413e616e86e\nrunc version: 69663f0bd4b60df09991c08812a60108003fa340\ninit version: fec3683\nSecurity Options:\n seccomp\n  Profile: default\
nKernel Version: 3.10.0-1062.1.2.el7.x86_64\nOperating System: Debian GNU/Linux 9 (stretch) (containerized)\nOSType: linux\nArchitecture: x86_64\nCPUs: 2\nTotal Memory: 14.77GiB\nName: ip-111-11-27-81.us-west-2.compute.internal\nID:
 I6BN:HGY2:4EMR:JBTX:4MJK:7B73:CYNP:YUYR:J5I2:NT32:GZOK:5BRU\nDocker Root Dir: /ext/docker\nDebug Mode (client): false\nDebug Mode (server): false\nNo Proxy: 0.0.0.0/0,.local\nRegistry: https://index.docker.io/v1/\nLabels:\nExperime
ntal: false\nInsecure Registries:\n 127.0.0.0/8\nLive Restore Enabled: false\n\n",
               "status": "running"
            },
            {
               "checker": "etcd-version",
               "detail": "etcd Version: 3.3.11\nGit SHA: 2cf9e51d2\nGo Version: go1.10.7\nGo OS/Arch: linux/amd64\n",
               "status": "running"
            },
            {
               "checker": "kubelet-version",
               "detail": "Kubernetes v1.13.11\n",
               "status": "running"
            },
            {
               "checker": "coredns-version",
               "detail": "CoreDNS-1.3.1\nlinux/amd64, go1.11.4, 6b56a9c\n",
               "status": "running"
            },
            {
               "checker": "dbus-version",
               "detail": "D-Bus Message Bus Daemon 1.10.26\nCopyright (C) 2002, 2003 Red Hat, Inc., CodeFactory AB, and others\nThis is free software; see the source for copying conditions.\nThere is NO warranty; not even for MERCHA
NTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n",
               "status": "running"
            },
            {
               "checker": "serf-version",
               "detail": "Serf v0.8.0\nAgent Protocol: 4 (Understands back to: 2)\n",
               "status": "running"
            },
            {
               "checker": "flanneld-version",
               "detail": "0.5.3+git\n",
               "status": "running"
            },
            {
               "checker": "registry-version",
               "detail": "/usr/bin/registry planet/docker/distribution v2.7.1-gravitational\n",
               "status": "running"
            }
         ]
      },
      {
         "name": "111_11_27_235.runtime-fabric",
         "member_status": {
            "name": "111_11_27_235.runtime-fabric",
            "addr": "111.11.27.235:7496",
            "status": "alive",
            "tags": {
               "publicip": "111.11.27.235",
               "role": "node"
            }
         },
         "status": "running",
         "probes": [
            {
               "checker": "dns",
               "status": "running"
            },
            {
               "checker": "ip-forward",
               "status": "running"
            },
            {
               "checker": "disk-space",
               "detail": "disk utilization on /var/lib/gravity is below 80 percent (101 GB is available out of 107 GB)",
               "status": "running",
               "checker_data": "eyJoaWdoX3dhdGVybWFyayI6ODAsInBhdGgiOiIvdmFyL2xpYi9ncmF2aXR5IiwidG90YWxfYnl0ZXMiOjEwNzMyMTc1MzYwMCwiYXZhaWxhYmxlX2J5dGVzIjoxMDA4NDU2MTcxNTJ9"
            },
            {
               "checker": "br-netfilter",
               "status": "running"
            },
            {
               "checker": "may-detach-mounts",
               "status": "running"
            },
            {
               "checker": "nodestatus",
               "status": "running"
            },
            {
               "checker": "docker",
               "status": "running"
...

ip-111-11-18-252:/$ docker info | head
Containers: 63
 Running: 39
 Paused: 0
 Stopped: 24
Images: 25
Server Version: 18.06.2-ce
Storage Driver: overlay2
 Backing Filesystem: xfs
 Supports d_type: true
 Native Overlay Diff: true

 ip-111-11-18-252:/$ journalctl -p err -r
-- Logs begin at Mon 2019-10-07 20:55:24 UTC, end at Thu 2019-10-10 19:16:12 UTC. --
Oct 07 20:56:01 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Kubelet.
Oct 07 20:56:01 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: kube-kubelet.service: Failed to load environment files: No such file or directory
Oct 07 20:55:56 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Kubelet.
Oct 07 20:55:56 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: kube-kubelet.service: Failed to load environment files: No such file or directory
Oct 07 20:55:50 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Kubelet.
Oct 07 20:55:50 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: kube-kubelet.service: Failed to load environment files: No such file or directory
Oct 07 20:55:45 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Kubelet.
Oct 07 20:55:45 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: kube-kubelet.service: Failed to load environment files: No such file or directory
Oct 07 20:55:40 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Kubelet.
Oct 07 20:55:40 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: kube-kubelet.service: Failed to load environment files: No such file or directory
Oct 07 20:55:35 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Prepackaged Kubernetes container images.
Oct 07 20:55:35 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Kubelet.
Oct 07 20:55:35 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: kube-kubelet.service: Failed to load environment files: No such file or directory
Oct 07 20:55:34 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Scheduler.
Oct 07 20:55:34 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Controller Manager.
Oct 07 20:55:29 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Prepackaged Kubernetes container images.
Oct 07 20:55:29 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Kubelet.
Oct 07 20:55:29 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: kube-kubelet.service: Failed to load environment files: No such file or directory
Oct 07 20:55:25 ip-111-11-18-252.us-west-2.compute.internal exim[473]: exim: could not open panic log - aborting: see message(s) above
Oct 07 20:55:25 ip-111-11-18-252.us-west-2.compute.internal exim[473]: 2019-10-07 20:55:25 Cannot open main log file "/var/log/exim4/mainlog": No such file or directory: euid=0 egid=106
Oct 07 20:55:25 ip-111-11-18-252.us-west-2.compute.internal exim[473]: 2019-10-07 20:55:25 socket bind() to port 25 for address 127.0.0.1 failed: Address already in use: waiting 30s before trying again (9 more tries)
Oct 07 20:55:24 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Prepackaged Kubernetes container images.
Oct 07 20:55:24 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Planet Agent service.
Oct 07 20:55:24 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: Failed to start Kubernetes Kubelet.
Oct 07 20:55:24 ip-111-11-18-252.us-west-2.compute.internal systemd[1]: kube-kubelet.service: Failed to load environment files: No such file or directory

ip-111-11-18-252:/$ kubectl get nodes
NAME            STATUS   ROLES    AGE     VERSION
111.11.18.252   Ready    master   2d22h   v1.13.11
111.11.27.235   Ready    node     2d22h   v1.13.11
111.11.27.81    Ready    node     2d22h   v1.13.11


  ip-111-11-18-252:/$ kubectl get pods -o wide --all-namespaces
NAMESPACE                              NAME                                       READY   STATUS      RESTARTS   AGE     IP              NODE            NOMINATED NODE   READINESS GATES
692903b6-32c2-4297-947e-4d4a8f41a150   gusti-proxy-7c499bbd9f-5cn9r               1/2     Error       9          31m     10.244.91.49    111.11.27.235   <none>           <none>
692903b6-32c2-4297-947e-4d4a8f41a150   test-app-5bfb549747-7ptn6                  2/2     Running     0          2d3h    10.244.86.7     111.11.27.81    <none>           <none>
kube-system                            coredns-vs6fj                              1/1     Running     0          2d22h   10.244.100.3    111.11.18.252   <none>           <none>
kube-system                            coredns-worker-btjbv                       1/1     Running     0          2d22h   10.244.91.2     111.11.27.235   <none>           <none>
kube-system                            coredns-worker-czrlp                       1/1     Running     0          2d22h   10.244.86.2     111.11.27.81    <none>           <none>
kube-system                            dns-app-install-2d8c33-jdbzh               0/1     Completed   0          2d22h   10.244.100.2    111.11.18.252   <none>           <none>
kube-system                            gravity-install-165a32-hvhdp               0/1     Completed   0          2d22h   111.11.18.252   111.11.18.252   <none>           <none>
kube-system                            gravity-site-cbg58                         1/1     Running     0          2d22h   111.11.18.252   111.11.18.252   <none>           <none>
kube-system                            log-collector-6df688db4f-bhp4r             1/1     Running     0          2d22h   10.244.100.23   111.11.18.252   <none>           <none>
kube-system                            log-forwarder-pv6dk                        1/1     Running     0          2d22h   10.244.86.3     111.11.27.81    <none>           <none>
kube-system                            log-forwarder-td9jd                        1/1     Running     0          2d22h   10.244.100.6    111.11.18.252   <none>           <none>
kube-system                            log-forwarder-thmjk                        1/1     Running     0          2d22h   10.244.91.3     111.11.27.235   <none>           <none>
kube-system                            logging-app-bootstrap-2b367b-9dfrv         0/1     Completed   0          2d22h   10.244.100.4    111.11.18.252   <none>           <none>
kube-system                            monitoring-app-install-314896-bmvvl        0/1     Completed   0          2d22h   10.244.100.8    111.11.18.252   <none>           <none>
kube-system                            rtf-install-hook-46ea3e-hv7vw              0/1     Completed   0          2d22h   111.11.18.252   111.11.18.252   <none>           <none>
kube-system                            site-app-post-install-4cdac5-9f7j2         0/1     Completed   2          2d22h   10.244.100.18   111.11.18.252   <none>           <none>
kube-system                            tiller-app-bootstrap-b5a987-q69tq          0/1     Completed   0          2d22h   10.244.100.15   111.11.18.252   <none>           <none>
kube-system                            tiller-deploy-cf96c5bd9-bptwr              1/1     Running     0          2d22h   10.244.100.20   111.11.18.252   <none>           <none>
monitoring                             grafana-85fbf44fc8-5td2v                   2/2     Running     0          2d22h   10.244.100.22   111.11.18.252   <none>           <none>
monitoring                             heapster-784767889f-jk68s                  1/1     Running     0          2d22h   10.244.100.11   111.11.18.252   <none>           <none>
monitoring                             influxdb-7c6849cccf-d522j                  2/2     Running     0          2d22h   10.244.100.19   111.11.18.252   <none>           <none>
monitoring                             kapacitor-8684bb5678-mjwkf                 3/3     Running     0          2d22h   10.244.100.30   111.11.18.252   <none>           <none>
monitoring                             telegraf-89dbf98bd-4nd2r                   1/1     Running     0          2d22h   10.244.100.12   111.11.18.252   <none>           <none>
monitoring                             telegraf-node-jx68w                        1/1     Running     0          2d22h   10.244.91.4     111.11.27.235   <none>           <none>
monitoring                             telegraf-node-kf9fr                        1/1     Running     0          2d22h   10.244.100.14   111.11.18.252   <none>           <none>
monitoring                             telegraf-node-mkj6t                        1/1     Running     0          2d22h   10.244.86.4     111.11.27.81    <none>           <none>
rtf                                    am-connectivity-monitor-1570665600-k6dzg   0/1     Completed   0          19h     10.244.91.43    111.11.27.235   <none>           <none>
rtf                                    deployer-57f6d74859-5j24q                  1/1     Running     0          2d22h   10.244.100.28   111.11.18.252   <none>           <none>
rtf                                    edge-443-6c6d8c666f-b9qdx                  1/1     Running     0          2d21h   111.11.18.252   111.11.18.252   <none>           <none>
rtf                                    monitor-7d5cbd7bc6-6xwf6                   1/1     Running     0          2d22h   10.244.100.26   111.11.18.252   <none>           <none>
rtf                                    mule-clusterip-service-74fbbc98c7-42cfn    1/1     Running     0          2d22h   10.244.100.25   111.11.18.252   <none>           <none>
rtf                                    registry-creds-1570730400-n9f4q            0/1     Completed   0          81m     10.244.100.39   111.11.18.252   <none>           <none>
rtf                                    resource-cache-7c955788-shhsk              2/2     Running     0          2d22h   10.244.100.27   111.11.18.252   <none>           <none>
rtf                                    telegraf-6b8b4874cc-gwbzq                  1/1     Running     0          2d22h   10.244.100.29   111.11.18.252   <none>           <none>

8.  If you find rtf node is in a degraded state and there is a message mentioning that a specific module is not loaded, eg. "br_netfilter module is not loaded on node", make sure all prereqs are met from Required Network Settings

To load a required module work with your Linux administrator or refer to your distribution documentation. Pay special attention that the modules are loaded after a reboot of the node as well.

9. The most helpful troubleshooting for RTF issues is the diagnostic package, which contains Kubernetes logs, app-level logs, and cluster logs all in one bundle. Please upload the logs to the case. Here are instructions on getting the logs: What Logs to Collect for an RTF Case

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