Trying to create a service that starts at boot

People,
I'm trying to create a service that will start at boot (in single-user mode, actually). I am up and running but I do NOT want to run the service now. I only want to run the service when the machine reboots.
I've been rummaging around all day trying to figure this out but I'm stuck. I can create a service that runs. I can create an XML file in /var/svc/manifest/site/patch-install.xml that will be read when I boot- because after I boot, I can list the service:
svcs -a | grep patch
disabled       18:23:23 svc:/site/patch-install:defaultI have inserted the following in my xml:
<create_default_instance enabled='true' />and also
<create_default_instance enabled='false' />but it makes no difference. Anyone have any idea? What is the purpose of create_default_instance? I don't understand; item 9 on http://www.sun.com/bigadmin/content/selfheal/sdev_intro.html seems rather opaque to me.
Also, what exactly is the purpose of /var/svc/profile/ ? I tried putting some code to enable my xml but it didn't do anything. Just wondering if this might fit into the picture.
BTW, I do not want the login prompt to appear until my method is complete.
Thanks.
-mschwage
Here fyi is my /var/svc/manifest/site/patch-install.xml file:
<?xml version="1.0"?>
<!DOCTYPE service_bundle SYSTEM "/usr/share/lib/xml/dtd/service_bundle.dtd.1">
<service_bundle type='manifest' name='Patches:patch-install'>
<service
        name='site/patch-install'
        type='service'
        version='1'>
        <create_default_instance enabled='false' />
        <single_instance />
        <dependent
                name='patch-install_single-user'
                grouping='require_all'
                restart_on='none'>
                <service_fmri value='svc:/milestone/single-user' />
        </dependent>
        <exec_method
                type='method'
                name='start'
                exec='/var/tmp/S92delay'
                timeout_seconds='86400' />
        <exec_method
                type='method'
                name='stop'
                exec=':true'
                timeout_seconds='0' />
        <property_group name='startd' type='framework'>
                <propval name='duration' type='astring' value='transient' />
        </property_group>
        <stability value='External' />
        <template>
                <common_name>
                        <loctext xml:lang='C'>
                        Install patchset upon boot.
                        </loctext>
                </common_name>
        </template>
</service>
</service_bundle>

Hushpuppy wrote:
People,
I'm trying to create a service that will start at boot (in single-user mode, actually). I am up and running but I do NOT want to run the service now. I only want to run the service when the machine reboots.I'd probably create the service now (by importing the manifest manually rather than waiting for the reboot), then set general/enabled in the default instance to be be true with svcprop. That should tell it to start at boot, but not enable it immediately.
I've been rummaging around all day trying to figure this out but I'm stuck. I can create a service that runs. I can create an XML file in /var/svc/manifest/site/patch-install.xml that will be read when I boot- because after I boot, I can list the service:Yes, that's the default. Or you can load it immediately to create the service now.
# svccfg import patch-install.xml
I have inserted the following in my xml:
<create_default_instance enabled='true' />and also
<create_default_instance enabled='false' />but it makes no difference. Anyone have any idea? What is the purpose of create_default_instance? I don't understand; item 9 on http://www.sun.com/bigadmin/content/selfheal/sdev_intro.html seems rather opaque to me.There's a difference between a "service" like network/smtp or console-login and an "instance" like network/smtp:sendmail or console-login:default. In most cases, you just want a single "default" instance of your service. The above line sets the default instance 'enabled' property to true or false. When I import your manifest as is, the service comes in as 'disabled'. If I set it to true, it comes in as 'maintenance' (almost certainly because it was enabled, tried to start, and couldn't find the start method on my machine).
Also, what exactly is the purpose of /var/svc/profile/ ? I tried putting some code to enable my xml but it didn't do anything. Just wondering if this might fit into the picture.'profiles' are loaded exactly once, and they are mainly used to set certain services to enabled or disabled.
3 of them are loaded if present, platform.xml, generic.xml, and site.xml. The last is not generated by the OS, but left for you to use. But it's usually only useful as a "first boot" type thing. Because if you make changes to it, it will not be reread. This isn't usually a problem because after first boot you're in control of the services. The usual thing is that at first boot the manifests load to create services, then the profiles are loaded to set then enabled or disabled. This isn't possible before that point because there's no service to modify yet.
BTW, I do not want the login prompt to appear until my method is complete.Any login prompt like a network login, or only the console login prompt? If the latter, then you'll want a dependency so that system-console-login depends on your service. But if your service has a problem at boot time, you'd make it difficult to log in.
Darren

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