mirror of https://github.com/docker/cli.git
40 lines
958 B
Go
40 lines
958 B
Go
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package poll
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import (
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"net"
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"os"
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)
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// Check is a function which will be used as check for the WaitOn method.
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type Check func(t LogT) Result
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// FileExists looks on filesystem and check that path exists.
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func FileExists(path string) Check {
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return func(t LogT) Result {
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_, err := os.Stat(path)
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if os.IsNotExist(err) {
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t.Logf("waiting on file %s to exist", path)
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return Continue("file %s does not exist", path)
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}
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if err != nil {
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return Error(err)
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}
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return Success()
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}
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}
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// Connection try to open a connection to the address on the
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// named network. See net.Dial for a description of the network and
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// address parameters.
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func Connection(network, address string) Check {
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return func(t LogT) Result {
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_, err := net.Dial(network, address)
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if err != nil {
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t.Logf("waiting on socket %s://%s to be available...", network, address)
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return Continue("socket %s://%s not available", network, address)
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}
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return Success()
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}
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}
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