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<%#
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name: kickstart_ifcfg_get_identifier_names
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model: ProvisioningTemplate
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snippet: true
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model: ProvisioningTemplate
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kind: snippet
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description: |
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Generates shell snippet that detects the current identifier of a network interface
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based on the MAC address. This is required in provisioning flows when reboot is involved
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between when the network interfaces has been reported to the database and the actual
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provisioning, e.g. when provisioning using discovery image. Interfaces reported by FDI
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use naming convention used by FDI, e.g. eth0, while when provisioning a newer RHEL, interfaces
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use bios dev names e.g. enp0s31f6.
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This is typically used by other templates and snippets that pass interface
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object to be configured. It is not expected to be used directly.
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-%>
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<%- if @identifier -%>
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<%= "real=\"#{@identifier}\"" %>
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<%- else -%>
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<%- if !@interface.inheriting_mac -%>
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<%= "\nreal=`echo #{@interface.identifier}`" -%>
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<%- else -%>
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<%= "real=`grep -l #{@interface.inheriting_mac} /sys/class/net/*/{bonding_slave/perm_hwaddr,address} 2>/dev/null | awk -F '/' '// {print $5}' | head -1`" -%>
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<%- end -%>
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<%- if @interface.virtual? -%>
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<%= "\nreal=`echo #{@interface.identifier} | sed s/#{@interface.attached_to}/$real/`" -%>
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<%- end -%>
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<%- end -%>
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<%# ifcfg files are ignored by NM if their name contains colons so we convert colons to underscore %>
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sanitized_real=`echo $real | sed s/:/_/`
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