summaryrefslogtreecommitdiff
path: root/google-startup-scripts/README.md
diff options
context:
space:
mode:
Diffstat (limited to 'google-startup-scripts/README.md')
-rw-r--r--google-startup-scripts/README.md52
1 files changed, 0 insertions, 52 deletions
diff --git a/google-startup-scripts/README.md b/google-startup-scripts/README.md
deleted file mode 100644
index 2602143..0000000
--- a/google-startup-scripts/README.md
+++ /dev/null
@@ -1,52 +0,0 @@
-## Google Startup Scripts
-Google provides a set of startup scripts that interact with the virtual machine environment. On boot, the startup script `/usr/share/google/onboot` queries the instance metadata for a user-provided startup script to run. User-provided startup scripts can be specified in the instance metadata under `startup-script` or, if the metadata is in a small script or a downloadable file, it can be specified `via startup-script-url`. You can use [gcloud compute](https://cloud.google.com/compute/docs/gcloud-compute/) or the [Google Compute Engine API](https://developers.google.com/compute/docs/reference/latest) to specify a startup script.
-
-For more information on how to use startup scripts, read the [Using Start Up Scripts documentation](https://developers.google.com/compute/docs/howtos/startupscript#storescriptremotely).
-
-Below is an example of metadata that indicates a startup script URL and a startup script file was passed to the instance:
-
- { // instance
- metadata: {
- "kind": "compute#metadata",
- "items": [
- {
- "key": "startup-script-url",
- "value": "http://startup-script-url:
- }
- ]
- }
- }
- { // instance
- metadata: {
- "kind": "compute#metadata",
- "items": [
- {
- "key": "startup-script",
- "value": "#! /bin/python\nprint ‘startup’\n"
- }
- ]
- }
- }
-
-
-Google startup scripts also perform the following actions:
-
-+ __Checks the value of the instance id key__
-
- Startup scripts check the value of the instance ID at:
-
- http://169.254.169.254/computeMetadata/v1/instance/id
-
- and compares it to the last instance ID the disk booted on.
-
-+ __Sets the [hostname](https://github.com/GoogleCloudPlatform/compute-image-packages/blob/master/google-startup-scripts/usr/share/google/set-hostname) from the metadata server via DHCP exit hooks.__
-
-+ __Updates gsutil authentication.__
-
- Startup scripts run `/usr/share/google/boto/boot_setup.py` which configures and copies `/usr/share/google/boto/boto_plugins/compute_auth.py` into the boto plugin directory.
-
-+ __Provides udev rules to give friendly names to disks.__
-
- Google Compute Engine provides `/lib/udev/rules.d/65-gce-disk-naming.rules` in our images.
-
-+ __Safely formats persistent disks via `/usr/share/google/safe_format_and_mount`.__