mirror of
https://github.com/ceph/ceph-csi.git
synced 2025-06-13 02:33:34 +00:00
Update to kube v1.17
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
committed by
mergify[bot]
parent
327fcd1b1b
commit
3af1e26d7c
48
vendor/gopkg.in/yaml.v2/decode.go
generated
vendored
48
vendor/gopkg.in/yaml.v2/decode.go
generated
vendored
@ -229,6 +229,10 @@ type decoder struct {
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mapType reflect.Type
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terrors []string
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strict bool
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decodeCount int
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aliasCount int
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aliasDepth int
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}
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var (
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@ -314,7 +318,43 @@ func (d *decoder) prepare(n *node, out reflect.Value) (newout reflect.Value, unm
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return out, false, false
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}
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const (
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// 400,000 decode operations is ~500kb of dense object declarations, or
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// ~5kb of dense object declarations with 10000% alias expansion
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alias_ratio_range_low = 400000
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// 4,000,000 decode operations is ~5MB of dense object declarations, or
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// ~4.5MB of dense object declarations with 10% alias expansion
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alias_ratio_range_high = 4000000
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// alias_ratio_range is the range over which we scale allowed alias ratios
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alias_ratio_range = float64(alias_ratio_range_high - alias_ratio_range_low)
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)
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func allowedAliasRatio(decodeCount int) float64 {
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switch {
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case decodeCount <= alias_ratio_range_low:
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// allow 99% to come from alias expansion for small-to-medium documents
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return 0.99
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case decodeCount >= alias_ratio_range_high:
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// allow 10% to come from alias expansion for very large documents
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return 0.10
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default:
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// scale smoothly from 99% down to 10% over the range.
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// this maps to 396,000 - 400,000 allowed alias-driven decodes over the range.
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// 400,000 decode operations is ~100MB of allocations in worst-case scenarios (single-item maps).
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return 0.99 - 0.89*(float64(decodeCount-alias_ratio_range_low)/alias_ratio_range)
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}
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}
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func (d *decoder) unmarshal(n *node, out reflect.Value) (good bool) {
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d.decodeCount++
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if d.aliasDepth > 0 {
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d.aliasCount++
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}
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if d.aliasCount > 100 && d.decodeCount > 1000 && float64(d.aliasCount)/float64(d.decodeCount) > allowedAliasRatio(d.decodeCount) {
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failf("document contains excessive aliasing")
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}
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switch n.kind {
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case documentNode:
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return d.document(n, out)
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@ -353,7 +393,9 @@ func (d *decoder) alias(n *node, out reflect.Value) (good bool) {
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failf("anchor '%s' value contains itself", n.value)
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}
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d.aliases[n] = true
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d.aliasDepth++
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good = d.unmarshal(n.alias, out)
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d.aliasDepth--
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delete(d.aliases, n)
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return good
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}
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@ -746,8 +788,7 @@ func (d *decoder) merge(n *node, out reflect.Value) {
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case mappingNode:
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d.unmarshal(n, out)
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case aliasNode:
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an, ok := d.doc.anchors[n.value]
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if ok && an.kind != mappingNode {
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if n.alias != nil && n.alias.kind != mappingNode {
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failWantMap()
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}
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d.unmarshal(n, out)
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@ -756,8 +797,7 @@ func (d *decoder) merge(n *node, out reflect.Value) {
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for i := len(n.children) - 1; i >= 0; i-- {
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ni := n.children[i]
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if ni.kind == aliasNode {
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an, ok := d.doc.anchors[ni.value]
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if ok && an.kind != mappingNode {
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if ni.alias != nil && ni.alias.kind != mappingNode {
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failWantMap()
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}
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} else if ni.kind != mappingNode {
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