Yorc panics attempting to print an error handling a script execution stdout

[laurentganne]

An intermittent issue was seen in the premium version where yorc panics attempting to log an error handling a script execution playbook stdout, the error to log being that this handler failed to close a ssh session.

Stack trace:

[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0xdc773a]
goroutine 240 [running]:
github.com/ystia/yorc/v4/prov/ansible.(*executionCommon).executePlaybook(0xc00013ca00, 0x1e009c8, 0xc0003d4900, 0xc00032be01, 0xc000d695c0, 0xbd, 0x1ddacb8, 0xc000524870, 0x0, 0x0)
/var/jenkins_home/workspace/yorc/v4.0.5+premium/2@2/prov/ansible/execution.go:1273 +0x83a
github.com/ystia/yorc/v4/prov/ansible.(*executionScript).runAnsible(0xc0003d42c0, 0x1e009c8, 0xc0003d4900, 0x1, 0x0, 0x0, 0xc000d695c0, 0xbd, 0xc000602f00, 0x300000002)
/var/jenkins_home/workspace/yorc/v4.0.5+premium/2@2/prov/ansible/execution_scripts.go:276 +0xa99
github.com/ystia/yorc/v4/prov/ansible.(*executionCommon).executeWithCurrentInstance(0xc00013ca00, 0x1e00a70, 0xc0003d4900, 0x1, 0x0, 0x0, 0x0, 0x0)
/var/jenkins_home/workspace/yorc/v4.0.5+premium/2@2/prov/ansible/execution.go:1088 +0x2ba7
github.com/ystia/yorc/v4/prov/ansible.(*executionCommon).execute(0xc00013ca00, 0x1e00a70, 0xc0016033e0, 0x1, 0x0, 0x0)
/var/jenkins_home/workspace/yorc/v4.0.5+premium/2@2/prov/ansible/execution.go:785 +0x515

Priority

Medium

• High = We should stop anything we are doing and do this. If you're writing this calmly, you should probably choose another option. If it's really that urgent, please make sure we read this.
• Medium = It's important that we do this within a few days.
• Low = We will consider this on our next sprint planning.

(Please be aware that your priority may not match ours, we'll use this as guidance only).