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Diffstat (limited to 'docs/userguide/troubleshooting.rst')
| -rw-r--r-- | docs/userguide/troubleshooting.rst | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/docs/userguide/troubleshooting.rst b/docs/userguide/troubleshooting.rst index ac96bb93..d2145659 100644 --- a/docs/userguide/troubleshooting.rst +++ b/docs/userguide/troubleshooting.rst @@ -7,8 +7,8 @@ Troubleshooting This section gives some guidelines about how to troubleshoot the test cases owned by Functest. -**IMPORTANT**: The steps defined below must be executed inside the Functest Docker -container and after sourcing the OpenStack credentials:: +**IMPORTANT**: As in the previous section, the steps defined below must be +executed inside the Functest Docker container and after sourcing the OpenStack credentials:: . $creds @@ -23,28 +23,30 @@ This section covers the test cases related to the VIM (vPing, Tempest, Rally). vPing common ^^^^^^^^^^^^ -For both vPing test cases (vPing_SSH, and vPing_userdata), the first steps are +For both vPing test cases (**vPing_ssh**, and **vPing_userdata**), the first steps are similar: -* Create Glance image -* Create Network -* Create Security Group -* Create instances -After these actions, the test cases differ and will be explained in their section. + * Create Glance image + * Create Network + * Create Security Group + * Create instances -This test cases can be run inside the container as follows:: +After these actions, the test cases differ and will be explained in their respective section. + +These test cases can be run inside the container as follows:: $repos_dir/functest/docker/run_tests.sh -t vping_ssh $repos_dir/functest/docker/run_tests.sh -t vping_userdata -The *run_tests.sh* script is calling internally the vPing scripts, located in -*$repos_dir/functest/testcases/vPing/CI/libraries/vPing_ssh.py* or +The **run_tests.sh** script is basically calling internally the corresponding +vPing scripts, located in +*$repos_dir/functest/testcases/vPing/CI/libraries/vPing_ssh.py* and *$repos_dir/functest/testcases/vPing/CI/libraries/vPing_userdata.py* with the appropriate flags. After finishing the test execution, the corresponding script will remove all created resources in OpenStack (image, instances, network and security group). -When troubleshooting, it is handy sometimes to keep those resources in case the +When troubleshooting, it is advisable sometimes to keep those resources in case the test fails and a manual testing is needed. This can be achieved by adding the flag *-n*:: $repos_dir/functest/docker/run_tests.sh -n -t vping_ssh @@ -78,8 +80,8 @@ In this case, proceed to create it manually. These are some hints:: neutron security-group-rule-create sg-test --direction egress --ethertype IPv4 --protocol tcp --port-range-min 80 --port-range-max 80 --remote-ip-prefix 0.0.0.0/0 The next step is to create the instances. The image used is located in -*/home/opnfv/functest/data/cirros-0.3.4-x86_64-disk.img* and a glance image is created -with the name *functest-vping*. If booting the instances fails (i.e. the status +*/home/opnfv/functest/data/cirros-0.3.4-x86_64-disk.img* and a Glance image is created +with the name **functest-vping**. If booting the instances fails (i.e. the status is not **ACTIVE**), you can check why it failed by doing:: nova list @@ -87,11 +89,9 @@ is not **ACTIVE**), you can check why it failed by doing:: It might show some messages about the booting failure. To try that manually:: - net_id=$(neutron net-list | grep net-test | awk '{print $2}') - nova boot --flavor 2 --image functest-vping --nic net-id=$net_id nova-test + nova boot --flavor 2 --image functest-vping --nic net-id=<NET_ID> nova-test -This will spawn a VM using the network created previously manually. If you want to use -the existing vPing network, just replace *net-test* by *vping-net*. +This will spawn a VM using the network created previously manually. In all the OPNFV tested scenarios from CI, it never has been a problem with the previous actions. Further possible problems are explained in the following sections. @@ -99,8 +99,8 @@ previous actions. Further possible problems are explained in the following secti vPing_SSH ^^^^^^^^^ This test case creates a floating IP on the external network and assigns it to -the second instance with name *opnfv-vping-2*. The purpose of this is to establish -a SSH connection to that instance to SCP a script that will ping the first insntace. +the second instance **opnfv-vping-2**. The purpose of this is to establish +a SSH connection to that instance and SCP a script that will ping the first instance. This script is located in the repository under *$repos_dir/functest/testcases/vPing/CI/libraries/ping.sh* and takes an IP as a parameter. When the SCP is completed, the test will do an SSH call to that script @@ -109,13 +109,13 @@ inside the second instance. Some problems can happen here:: vPing_ssh- ERROR - Cannot establish connection to IP xxx.xxx.xxx.xxx. Aborting If this is displayed, stop the test or wait for it to finish (if you have used the flag -*-n* in *run_tests.sh* explained previously) so that the test does not clean +*-n* in **run_tests.sh** explained previously) so that the test does not clean the OpenStack resources. It means that the Container can not reach the public -IP assigned to the instance *opnfv-vping-2*. There are many possible reasons, and +IP assigned to the instance **opnfv-vping-2**. There are many possible reasons, and they really depend on the chosen scenario. For most of the ODL-L3 and ONOS scenarios this has been noticed and it is a known limitation. -First, make sure that the instance *opnfv-vping-2* managed to get an IP from +First, make sure that the instance **opnfv-vping-2** succeeded to get an IP from the DHCP agent. It can be checked by doing:: nova console-log opnfv-vping-2 @@ -142,7 +142,8 @@ manually with the steps described above in the vPing common section with the add Further troubleshooting is out of scope of this document, as it might be due to -problems with the SDN controller. Contact the installer team members. +problems with the SDN controller. Contact the installer team members or send an +email to the corresponding OPNFV mailing list for more information. @@ -151,14 +152,14 @@ vPing_userdata This test case does not create any floating IP neither establishes an SSH connection. Instead, it uses nova-metadata service when creating an instance to pass the same script as before (ping.sh) but as 1-line text. This script -will be executed automatically when the second instance *opnfv-vping-2* is booted. +will be executed automatically when the second instance **opnfv-vping-2** is booted. The only known problem here for this test to fail is mainly the lack of support of cloud-init (nova-metadata service). Check the console of the instance:: nova console-log opnfv-vping-2 -If this text or similar is showed:: +If this text or similar is shown:: checking http://169.254.169.254/2009-04-04/instance-id failed 1/20: up 1.13. request failed @@ -184,9 +185,9 @@ If this text or similar is showed:: failed to read iid from metadata. tried 20 it means that the instance failed to read from the metadata service. Contact -the installer team members for more information. +the Functest or installer teams for more information. -Cloud-init in not supported on scenario dealing with ONOS and the tests have been +NOTE: Cloud-init in not supported on scenario dealing with ONOS and the tests have been excluded from CI in those scenarios. @@ -297,7 +298,7 @@ due to wrong return code. ONOS ^^^^ -TODO +Please refer to the ONOS documentation. OpenContrail ^^^^^^^^^^^^ @@ -338,4 +339,4 @@ described in the following table: Promise ^^^^^^^ -TODO +Please refer to the Promise documentation. |