41 lines
1.3 KiB
Bash
Executable File
41 lines
1.3 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# start.sh - starts a capsul
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# if it is already started, do nothing
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# if it is stopping, do nothing
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# State Key
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# NOSTATE: 0 - no state
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# RUNNING: 1 - the domain is running
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# BLOCKED: 2 - the domain is blocked on resource
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# PAUSED: 3 - the domain is paused by user
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# SHUTDOWN: 4 - the domain is being shut down
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# SHUTOFF: 5 - the domain is shut off
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# CRASHED: 6 - the domain is crashed
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# PMSUSPENDED: 7 - the domain is suspended by guest power management
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# LAST: 8 NB: this enum value will increase over time as new events are added to the libvirt API. It reflects the last state supported by this version of the libvirt API.
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vmname="$1"
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[ "$vmname" = '' ] && printf 'you must set $vmname\n' && exit 1
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if printf "$vmname" | grep -vqE '^(cvm|capsul)-[a-z0-9]{10}$'; then
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printf 'vmname %s must match ^capsul-[a-z0-9]{10}$\n' "$vmname"
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exit 1
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fi
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state="$(virsh domstats $vmname | grep state.state | cut -d '=' -f 2)"
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[ "$state" = '' ] && printf 'state was not detected. must match ^[0-8]$\n' && exit 1
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if printf "$state" | grep -vqE '^[0-8]$'; then
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printf 'state %s must match ^[0-8]$\n' "$state"
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exit 1
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fi
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case "$state" in
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1) printf '%s is already running\n' "$vmname" ;;
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4) printf '%s cannot be started while it is shutting down\n' "$vmname" ;;
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[235-7]) virsh start "$vmname" > /dev/null ;;
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esac
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