The below is an example of a successful plugin installation as seen by the virgo log.
vCenter starts downloading the plugin from wherever we are trying to install it from (in this case, the array):
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:20.468Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.vim.extension.PluginStatusTaskManager DOWNLOADING: Downloading plugin package com.purestorage.purestoragehtml:4.3.1 from https://ArrayManagementIPAddress/download/purestorage-vsphere-plugin.zip?version=4.3.1 ...
vCenter starts expanding the plugin package after successfully downloading it:
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:23.216Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.vim.extension.PluginStatusTaskManager DOWNLOADED: Downloaded plugin package com.purestorage.purestoragehtml:4.3.1 from https://ArrayManagementIPAddress/download/purestorage-vsphere-plugin.zip?version=4.3.1 successfully.
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:23.216Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.vim.extension.VcExtensionManager Done expanding plugin package to /etc/vmware/vsphere-ui/vc-packages/vsphere-client-serenity/com.purestorage.purestoragehtml-4.3.1
vCenter then deploys the new plugin:
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:23.223Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.vim.extension.PluginStatusTaskManager DEPLOYING: Deploying plugin package com.purestorage.purestoragehtml:4.3.1 ...
And undeploys the old version of the plugin:
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.453Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.vim.extension.PluginStatusTaskManager UNDEPLOYING: Undeploying plugin package com.purestorage.purestoragehtml:4.3.0 ...
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.471Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.extensionfw.impl.DeploymentEventLoggerImpl Event=PACKAGE_UNDEPLOY_BEGIN; Params=com.purestorage.purestoragehtml, 4.3.0
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.472Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.extensionfw.ExtensionManager Undeploying plugin package 'com.purestorage.purestoragehtml:4.3.0'.
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.585Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 c.vmware.vise.extensionfw.impl.plugin.PluginExtensionManagerImpl Plugin data for com.purestorage.purestoragehtml:4.3.0 was not removed fromthe cache as it was not found.
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.586Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 c.vmware.vise.extensionfw.impl.plugin.PluginExtensionManagerImpl Extensions for plugin com.purestorage.purestoragehtml:4.3.0 were not removed from the cache as they were not found.
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.586Z] [WARN ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.extensionfw.impl.plugin.PluginStyleManagerImpl Plugin com.purestorage.purestoragehtml:4.3.0 is not registered!
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.591Z] [WARN ] extensionmanager-pool-101521 70021936 102626 200061 c.v.vise.extensionfw.impl.plugin.PluginLocalizationManagerImpl Plugin 'com.purestorage.purestoragehtml:4.3.0' has been previously removed.
4.3.0 was undeployed successfully:
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.682Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.extensionfw.ExtensionManager Undeployed plugin package 'com.purestorage.purestoragehtml:4.3.0'.
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.754Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.extensionfw.impl.DeploymentEventLoggerImpl Event=PACKAGE_UNDEPLOY_END; Params=com.purestorage.purestoragehtml, 4.3.0
After the undeploy is complete, it starts deploying the new version (4.3.1):
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.755Z] [INFO ] plugin-deploy12 com.vmware.vise.extensionfw.impl.PackagesDeployer Deploying plugin package 'com.purestorage.purestoragehtml:4.3.1'.
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:24.755Z] [INFO ] plugin-deploy12 com.vmware.vise.extensionfw.impl.DeploymentEventLoggerImpl Event=PACKAGE_DEPLOY_BEGIN; Params=com.purestorage.purestoragehtml, 4.3.1
And it deploys successfully:
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:25.409Z] [INFO ] plugin-deploy12 com.vmware.vise.vim.extension.PluginStatusTaskManager BUNDLE_DEPLOYED: Deployed plugin bundle com.purestorage.purestoragehtml.purestoragehtml-ui:4.3.1 successfully.
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:43.585Z] [INFO ] plugin-deploy12 com.vmware.vise.extensionfw.impl.DeploymentEventLoggerImpl Event=PACKAGE_DEPLOY_END; Params=com.purestorage.purestoragehtml, 4.3.1
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:43.585Z] [INFO ] plugin-deploy12 com.vmware.vise.extensionfw.impl.PackagesDeployer Deployed plugin package 'com.purestorage.purestoragehtml:4.3.1'.
vsphere_client_virgo_0.log.zip:[2020-05-21T21:24:43.596Z] [INFO ] extensionmanager-pool-101521 70021936 102626 200061 com.vmware.vise.vim.extension.PluginStatusTaskManager DEPLOYED: Deployed plugin package com.purestorage.purestoragehtml:4.3.1 successfully.