141 lines
4.2 KiB
Go
141 lines
4.2 KiB
Go
package classic
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import (
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"fmt"
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"github.com/hashicorp/packer/helper/communicator"
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packersdk "github.com/hashicorp/packer/packer-plugin-sdk/packer"
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"github.com/hashicorp/packer/packer-plugin-sdk/template/interpolate"
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)
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const imageListDefault = "/oracle/public/OL_7.2_UEKR4_x86_64"
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const imageListEntryDefault = 5
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const usernameDefault = "opc"
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const shapeDefault = "oc3"
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const uploadImageCommandDefault = `
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# https://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/objectstorage/upload_files_gt_5GB_REST_API/upload_files_gt_5GB_REST_API.html
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# Split diskimage in to 100mb chunks
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split -b 100m diskimage.tar.gz segment_
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printf "Split diskimage into %s segments\n" $(ls segment_* | wc -l)
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# Download jq tool
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curl -OLs https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64
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mv jq-linux64 jq
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chmod u+x jq
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# Create manifest file
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(
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for i in segment_*; do
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./jq -n --arg path "{{.SegmentPath}}/$i" \
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--arg etag $(md5sum $i | cut -f1 -d' ') \
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--arg size_bytes $(stat --printf "%s" $i) \
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'{path: $path, etag: $etag, size_bytes: $size_bytes}'
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done
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) | ./jq -s . > manifest.json
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# Authenticate
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curl -D auth-headers -s -X GET \
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-H "X-Storage-User: Storage-{{.AccountID}}:{{.Username}}" \
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-H "X-Storage-Pass: {{.Password}}" \
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https://{{.AccountID}}.storage.oraclecloud.com/auth/v1.0
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export AUTH_TOKEN=$(awk 'BEGIN {FS=": "; RS="\r\n"}/^X-Auth-Token/{print $2}' auth-headers)
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export STORAGE_URL=$(awk 'BEGIN {FS=": "; RS="\r\n"}/^X-Storage-Url/{print $2}' auth-headers)
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# Upload segments
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for i in segment_*; do
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echo "Uploading segment $i"
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curl -s -X PUT -T $i \
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-H "X-Auth-Token: $AUTH_TOKEN" ${STORAGE_URL}/{{.SegmentPath}}/$i;
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done
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# Create machine image from manifest
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curl -s -X PUT \
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-H "X-Auth-Token: $AUTH_TOKEN" \
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"${STORAGE_URL}/compute_images/{{.ImageFile}}?multipart-manifest=put" \
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-T ./manifest.json
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# Get uploaded image description
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echo "Details of ${STORAGE_URL}/compute_images/{{.ImageFile}}:"
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curl -I -X HEAD \
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-H "X-Auth-Token: $AUTH_TOKEN" \
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"${STORAGE_URL}/compute_images/{{.ImageFile}}"
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`
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type PVConfig struct {
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// PersistentVolumeSize lets us control the volume size by using persistent boot storage
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PersistentVolumeSize int `mapstructure:"persistent_volume_size"`
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BuilderUploadImageCommand string `mapstructure:"builder_upload_image_command"`
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// Builder Image
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BuilderShape string `mapstructure:"builder_shape"`
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BuilderImageList string `mapstructure:"builder_image_list"`
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BuilderImageListEntry *int `mapstructure:"builder_image_list_entry"`
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BuilderComm communicator.Config `mapstructure:"builder_communicator"`
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}
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// IsPV tells us if we're using a persistent volume for this build
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func (c *PVConfig) IsPV() bool {
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return c.PersistentVolumeSize > 0
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}
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func (c *PVConfig) Prepare(ctx *interpolate.Context) (errs *packersdk.MultiError) {
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if !c.IsPV() {
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if c.BuilderShape != "" {
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errs = packersdk.MultiErrorAppend(errs,
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fmt.Errorf("`builder_shape` has no meaning when `persistent_volume_size` is not set."))
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}
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if c.BuilderImageList != "" {
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errs = packersdk.MultiErrorAppend(errs,
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fmt.Errorf("`builder_image_list` has no meaning when `persistent_volume_size` is not set."))
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}
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if c.BuilderImageListEntry != nil {
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errs = packersdk.MultiErrorAppend(errs,
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fmt.Errorf("`builder_image_list_entry` has no meaning when `persistent_volume_size` is not set."))
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}
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return errs
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}
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c.BuilderComm.SSHPty = true
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if c.BuilderComm.Type == "winrm" {
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errs = packersdk.MultiErrorAppend(errs,
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fmt.Errorf("`ssh` is the only valid builder communicator type."))
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}
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if c.BuilderShape == "" {
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c.BuilderShape = shapeDefault
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}
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if c.BuilderComm.SSHUsername == "" {
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c.BuilderComm.SSHUsername = usernameDefault
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}
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if c.BuilderImageList == "" {
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c.BuilderImageList = imageListDefault
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}
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// Set to known working default if this is unset and we're using the
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// default image list
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if c.BuilderImageListEntry == nil {
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var entry int
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if c.BuilderImageList == imageListDefault {
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entry = imageListEntryDefault
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}
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c.BuilderImageListEntry = &entry
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}
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if c.BuilderUploadImageCommand == "" {
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c.BuilderUploadImageCommand = uploadImageCommandDefault
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}
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if es := c.BuilderComm.Prepare(ctx); len(es) > 0 {
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errs = packersdk.MultiErrorAppend(errs, es...)
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}
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return
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}
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