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syntax = "proto3";
package moby.buildkit.v1.sourcepolicy;
// Rule defines the action(s) to take when a source is matched
message Rule {
PolicyAction action = 1;
Selector selector = 2;
Update updates = 3;
}
// Update contains updates to the matched build step after rule is applied
message Update {
string identifier = 1;
map<string, string> attrs = 2;
}
// Selector identifies a source to match a policy to
message Selector {
string identifier = 1;
// MatchType is the type of match to perform on the source identifier
MatchType match_type = 2;
repeated AttrConstraint constraints = 3;
}
// PolicyAction defines the action to take when a source is matched
enum PolicyAction {
ALLOW = 0;
DENY = 1;
CONVERT = 2;
}
// AttrConstraint defines a constraint on a source attribute
message AttrConstraint {
string key = 1;
string value = 2;
AttrMatch condition = 3;
}
// AttrMatch defines the condition to match a source attribute
enum AttrMatch {
EQUAL = 0;
NOTEQUAL = 1;
MATCHES = 2;
}
// Policy is the list of rules the policy engine will perform
message Policy {
int64 version = 1; // Currently 1
repeated Rule rules = 2;
}
// Match type is used to determine how a rule source is matched
enum MatchType {
// WILDCARD is the default matching type.
// It may first attempt to due an exact match but will follow up with a wildcard match
// For something more powerful, use REGEX
WILDCARD = 0;
// EXACT treats the source identifier as a litteral string match
EXACT = 1;
// REGEX treats the source identifier as a regular expression
// With regex matching you can also use match groups to replace values in the destination identifier
REGEX = 2;
}
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