az vm diagnostics

Configure the Azure Virtual Machine diagnostics extension.

Commands

Name	Description	Type	Status
az vm diagnostics get-default-config	Get the default configuration settings for a VM.	Core	GA
az vm diagnostics set	Configure the Azure VM diagnostics extension.	Core	GA

az vm diagnostics get-default-config

Edit

Get the default configuration settings for a VM.

az vm diagnostics get-default-config [--is-windows-os]

Examples

Get the default diagnostics for a Linux VM and override the storage account name and the VM resource ID.

az vm diagnostics get-default-config \
    | sed "s#__DIAGNOSTIC_STORAGE_ACCOUNT__#MyStorageAccount#g" \
    | sed "s#__VM_OR_VMSS_RESOURCE_ID__#MyVmResourceId#g"

Get the default diagnostics for a Windows VM.

az vm diagnostics get-default-config --is-windows-os

Optional Parameters

The following parameters are optional, but depending on the context, one or more might become required for the command to execute successfully.

--is-windows-os

For Windows VMs.

Property	Value
Default value:	False

Global Parameters

--debug

Increase logging verbosity to show all debug logs.

Property	Value
Default value:	False

--help -h

Show this help message and exit.

--only-show-errors

Only show errors, suppressing warnings.

Property	Value
Default value:	False

--output -o

Output format.

Property	Value
Default value:	json
Accepted values:	json, jsonc, none, table, tsv, yaml, yamlc

--query

JMESPath query string. See http://jmespath.org/ for more information and examples.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

Property	Value
Default value:	False

az vm diagnostics set

Edit

Configure the Azure VM diagnostics extension.

az vm diagnostics set --settings
                      [--ids]
                      [--no-auto-upgrade {false, true}]
                      [--no-auto-upgrade-minor-version {false, true}]
                      [--protected-settings]
                      [--resource-group]
                      [--subscription]
                      [--version]
                      [--vm-name]

Examples

Set up default diagnostics on a Linux VM for Azure Portal VM metrics graphs and syslog collection.

# Set the following 3 parameters first.
my_resource_group={Resource group name containing your Linux VM and the storage account}
my_linux_vm={Your Azure Linux VM name}
my_diagnostic_storage_account={Your Azure storage account for storing VM diagnostic data}

my_vm_resource_id=$(az vm show -g $my_resource_group -n $my_linux_vm --query "id" -o tsv)

default_config=$(az vm diagnostics get-default-config \
    | sed "s#__DIAGNOSTIC_STORAGE_ACCOUNT__#$my_diagnostic_storage_account#g" \
    | sed "s#__VM_OR_VMSS_RESOURCE_ID__#$my_vm_resource_id#g")

storage_sastoken=$(az storage account generate-sas \
    --account-name $my_diagnostic_storage_account --expiry 2037-12-31T23:59:00Z \
    --permissions wlacu --resource-types co --services bt -o tsv)

protected_settings="{'storageAccountName': '$my_diagnostic_storage_account', \
    'storageAccountSasToken': '$storage_sastoken'}"

az vm diagnostics set --settings "$default_config" \
    --protected-settings "$protected_settings" \
    --resource-group $my_resource_group --vm-name $my_linux_vm

Set up default diagnostics on a Windows VM.

# Set the following 3 parameters first.
my_resource_group={Resource group name containing your Windows VM and the storage account}
my_windows_vm={Your Azure Windows VM name}
my_diagnostic_storage_account={Your Azure storage account for storing VM diagnostic data}

my_vm_resource_id=$(az vm show -g $my_resource_group -n $my_windows_vm --query "id" -o tsv)

default_config=$(az vm diagnostics get-default-config  --is-windows-os \
    | sed "s#__DIAGNOSTIC_STORAGE_ACCOUNT__#$my_diagnostic_storage_account#g" \
    | sed "s#__VM_OR_VMSS_RESOURCE_ID__#$my_vm_resource_id#g")

# Please use the same options, the WAD diagnostic extension has strict
# expectations of the sas token's format. Set the expiry as desired.
storage_sastoken=$(az storage account generate-sas \
    --account-name $my_diagnostic_storage_account --expiry 2037-12-31T23:59:00Z \
    --permissions acuw --resource-types co --services bt --https-only --output tsv)

protected_settings="{'storageAccountName': '$my_diagnostic_storage_account', \
    'storageAccountSasToken': '$storage_sastoken'}"

az vm diagnostics set --settings "$default_config" \
    --protected-settings "$protected_settings" \
    --resource-group $my_resource_group --vm-name $my_windows_vm

# # Alternatively, if the WAD extension has issues parsing the sas token,
# # one can use a storage account key instead.
storage_account_key=$(az storage account keys list --account-name {my_storage_account} \
  --query [0].value -o tsv)
protected_settings="{'storageAccountName': '$my_diagnostic_storage_account', \
  'storageAccountKey': '$storage_account_key'}"

Required Parameters

--settings

Json string or a file path, which defines data to be collected.

Optional Parameters

The following parameters are optional, but depending on the context, one or more might become required for the command to execute successfully.

--ids

One or more resource IDs (space-delimited). It should be a complete resource ID containing all information of 'Resource Id' arguments. You should provide either --ids or other 'Resource Id' arguments.

Property	Value
Parameter group:	Resource Id Arguments

--no-auto-upgrade

Deprecated

Option '--no-auto-upgrade' has been deprecated and will be removed in a future release. Use '--no-auto-upgrade-minor-version' instead.

If set, the extension service will not automatically pick or upgrade to the latest minor version, even if the extension is redeployed.

Property	Value
Default value:	False
Accepted values:	false, true

--no-auto-upgrade-minor-version

If set, the extension service will not automatically pick or upgrade to the latest minor version, even if the extension is redeployed.

Property	Value
Default value:	False
Accepted values:	false, true

--protected-settings

Json string or a file path containing private configurations such as storage account keys, etc.

--resource-group -g

Name of resource group. You can configure the default group using az configure --defaults group=<name>.

Property	Value
Parameter group:	Resource Id Arguments

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

Property	Value
Parameter group:	Resource Id Arguments

--version

Version of the diagnostics extension. Will use the latest if not specfied.

--vm-name

The name of the Virtual Machine. You can configure the default using az configure --defaults vm=<name>.

Property	Value
Parameter group:	Resource Id Arguments

Global Parameters

--debug

Increase logging verbosity to show all debug logs.

Property	Value
Default value:	False

--help -h

Show this help message and exit.

--only-show-errors

Only show errors, suppressing warnings.

Property	Value
Default value:	False

--output -o

Output format.

Property	Value
Default value:	json
Accepted values:	json, jsonc, none, table, tsv, yaml, yamlc

--query

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

Property	Value
Default value:	False

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az vm diagnostics

Commands

az vm diagnostics get-default-config

Examples

Optional Parameters

az vm diagnostics set

Examples

Required Parameters

Optional Parameters

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