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Merge pull request #1839 from hashicorp/f-signal-constraints
Signal creates an auto-constraints
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,33 @@ | ||
package fingerprint | ||
|
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import ( | ||
"log" | ||
"strings" | ||
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"github.com/hashicorp/consul-template/signals" | ||
"github.com/hashicorp/nomad/client/config" | ||
"github.com/hashicorp/nomad/nomad/structs" | ||
) | ||
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// SignalFingerprint is used to fingerprint the available signals | ||
type SignalFingerprint struct { | ||
StaticFingerprinter | ||
logger *log.Logger | ||
} | ||
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// NewSignalFingerprint is used to create a Signal fingerprint | ||
func NewSignalFingerprint(logger *log.Logger) Fingerprint { | ||
f := &SignalFingerprint{logger: logger} | ||
return f | ||
} | ||
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func (f *SignalFingerprint) Fingerprint(cfg *config.Config, node *structs.Node) (bool, error) { | ||
// Build the list of available signals | ||
sigs := make([]string, 0, len(signals.SignalLookup)) | ||
for signal := range signals.SignalLookup { | ||
sigs = append(sigs, signal) | ||
} | ||
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node.Attributes["os.signals"] = strings.Join(sigs, ",") | ||
return true, nil | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,17 @@ | ||
package fingerprint | ||
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import ( | ||
"testing" | ||
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"github.com/hashicorp/nomad/nomad/structs" | ||
) | ||
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func TestSignalFingerprint(t *testing.T) { | ||
fp := NewSignalFingerprint(testLogger()) | ||
node := &structs.Node{ | ||
Attributes: make(map[string]string), | ||
} | ||
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assertFingerprintOK(t, fp, node) | ||
assertNodeAttributeContains(t, node, "os.signals") | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,6 @@ | ||
job "foo" { | ||
constraint { | ||
attribute = "$meta.data" | ||
set_contains = "foo,bar,baz" | ||
} | ||
} |
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