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Prevent simultaneous machine starts

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Running `podman machine start` twice at the same time in different
terminals, for example, will make the second invocation fail and the
first one hang.

[NO NEW TESTS NEEDED]

Signed-off-by: Shane Smith <shane.smith@shopify.com>
This commit is contained in:
Shane Smith
2022-06-02 16:31:21 -04:00
parent 570c2492a3
commit 87b05b6a6f
1 changed files with 4 additions and 0 deletions
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4
pkg/machine/qemu/machine.go
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@ -480,6 +480,10 @@ func (v *MachineVM) Start(name string, _ machine.StartOptions) error {
wait = time.Millisecond * 500
)
if v.Starting {
return fmt.Errorf("machine %q is already in the process of being started", v.Name)
}
v.Starting = true
if err := v.writeConfig(); err != nil {
return fmt.Errorf("writing JSON file: %w", err)