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cmd: Restructure iPXE script code for packet backend

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Break it into multiple instructions. The single line was
super hard to parse.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2017-08-09 11:17:42 +01:00
parent bbf8741002
commit 934d818bf1
1 changed files with 12 additions and 1 deletions
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13
src/cmd/linuxkit/run_packet.go
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@ -88,13 +88,24 @@ func runPacket(args []string) {
name := getStringValue(packetNameVar, *nameFlag, prefix)
osType := "custom_ipxe"
billing := "hourly"
// Build the iPXE script
// TODO(rn): Extract the kernel commandline from the file generated by moby build
userData := fmt.Sprintf("#!ipxe\n\ndhcp\nset base-url %s\nset kernel-params ip=dhcp nomodeset ro serial console=ttyS1,115200\nkernel ${base-url}/%s-kernel ${kernel-params}\ninitrd ${base-url}/%s-initrd.img\nboot", url, name, name)
userData := "#!ipxe\n\n"
userData += "dhcp\n"
userData += fmt.Sprintf("set base-url %s\n", url)
userData += "set kernel-params ip=dhcp nomodeset ro serial console=ttyS1,115200\n"
userData += fmt.Sprintf("kernel ${base-url}/%s-kernel ${kernel-params}\n", name)
userData += fmt.Sprintf("initrd ${base-url}/%s-initrd.img\n", name)
userData += "boot"
log.Debugf("Using userData of:\n%s\n", userData)
// Make sure the URL works
initrdURL := fmt.Sprintf("%s/%s-initrd.img", url, name)
kernelURL := fmt.Sprintf("%s/%s-kernel", url, name)
validateHTTPURL(kernelURL)
validateHTTPURL(initrdURL)
client := packngo.NewClient("", apiKey, nil)
tags := []string{}
req := packngo.DeviceCreateRequest{