Group 8: a served value may name its consumer (hq ADR 0201), and the store keeps what the records name (hq ADR 0189) #227
@@ -61,7 +61,7 @@ func knownFor(m Manifest, needs []Needed, node string) (map[string]map[string]st
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"as": as,
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"as": as,
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}
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}
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// What the provider derives for this consumer rather than for all of them
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// What the provider derives for this consumer rather than for all of them
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// (novox/hq ADR 0188). Filled here, the one place a provision and the module
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// (novox/hq ADR 0201). Filled here, the one place a provision and the module
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// requiring it are both in hand.
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// requiring it are both in hand.
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served, err := ServedTo(n.Serves, as)
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served, err := ServedTo(n.Serves, as)
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if err != nil {
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if err != nil {
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@@ -8,7 +8,7 @@ import (
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)
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)
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// What a provider derives for one consumer, said once in the provider's definition and delivered
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// What a provider derives for one consumer, said once in the provider's definition and delivered
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// to both ends (novox/hq ADR 0188, issue 124).
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// to both ends (novox/hq ADR 0201, issue 124).
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//
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//
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// A `serves` block is otherwise literal: the same values for every consumer. Where the provider
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// A `serves` block is otherwise literal: the same values for every consumer. Where the provider
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// *names the resource* — a bucket, a database, a vhost — the name is derived from who is asking,
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// *names the resource* — a bucket, a database, a vhost — the name is derived from who is asking,
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@@ -165,7 +165,7 @@ func sortedAnyKeys(values map[string]any) []string {
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}
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}
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// derivedFor is what the provider on this machine derives for one consumer of one provision
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// derivedFor is what the provider on this machine derives for one consumer of one provision
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// (novox/hq ADR 0188).
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// (novox/hq ADR 0201).
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//
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//
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// Settled first, then derived: an operator may set a prefix on what the provider serves and the
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// Settled first, then derived: an operator may set a prefix on what the provider serves and the
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// mesh still fills the consumer's half of it ([ADR 0174]). Only the keys that actually name the
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// mesh still fills the consumer's half of it ([ADR 0174]). Only the keys that actually name the
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@@ -209,7 +209,7 @@ func (r Resolution) derivedFor(provision, as string, settings SettingsBy) (map[s
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}
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}
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// notTranscribed refuses a consumer's file that writes out the value its provider derives for it,
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// notTranscribed refuses a consumer's file that writes out the value its provider derives for it,
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// instead of asking for it (novox/hq ADR 0188, issue 124).
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// instead of asking for it (novox/hq ADR 0201, issue 124).
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//
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//
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// **What would have caught the one wrong instance.** The object store's three consumers each wrote
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// **What would have caught the one wrong instance.** The object store's three consumers each wrote
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// their bucket into their own configuration by hand. One of them named a predecessor's bucket, and
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// their bucket into their own configuration by hand. One of them named a predecessor's bucket, and
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@@ -647,7 +647,7 @@ func (r Resolution) compose(with Rendering, owner map[string]string,
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}
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}
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as := ConsumerIdentity(r.Node, IdentitySource(m.Slug, m.Module))
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as := ConsumerIdentity(r.Node, IdentitySource(m.Slug, m.Module))
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// What the provider derives for THIS consumer, filled here where the consumer is
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// What the provider derives for THIS consumer, filled here where the consumer is
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// known (novox/hq ADR 0188). The same fill knownFor does below, so the binding file
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// known (novox/hq ADR 0201). The same fill knownFor does below, so the binding file
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// and the module's `${bound:…}` substitutions cannot say different things.
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// and the module's `${bound:…}` substitutions cannot say different things.
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told := *found
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told := *found
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told.Serves, err = ServedTo(told.Serves, as)
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told.Serves, err = ServedTo(told.Serves, as)
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@@ -777,7 +777,7 @@ func (r Resolution) compose(with Rendering, owner map[string]string,
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// And the machine underneath, which no binding of its own can tell it.
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// And the machine underneath, which no binding of its own can tell it.
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thisMachine := machineFacts(r, with.Names, with.MeshRange)
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thisMachine := machineFacts(r, with.Names, with.MeshRange)
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// **A definition that already holds the answer transcribed it** (novox/hq ADR 0188).
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// **A definition that already holds the answer transcribed it** (novox/hq ADR 0201).
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// Judged over what the module itself declares, and before anything is substituted: the
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// Judged over what the module itself declares, and before anything is substituted: the
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// mesh's own generated files — the binding, the contributions — legitimately carry the
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// mesh's own generated files — the binding, the contributions — legitimately carry the
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// derived value, and after substitution so does every consumer's file, so this is the one
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// derived value, and after substitution so does every consumer's file, so this is the one
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@@ -1203,7 +1203,7 @@ type Contribution struct {
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// is what makes swapping one for another cost nothing.
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// is what makes swapping one for another cost nothing.
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Values map[string]any `json:"values"`
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Values map[string]any `json:"values"`
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// Derived is what this provider's own definition said it derives for this consumer, already
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// Derived is what this provider's own definition said it derives for this consumer, already
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// derived (novox/hq ADR 0188).
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// derived (novox/hq ADR 0201).
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//
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//
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// **The provider is told, rather than recomputing it.** A served value may name the consumer's
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// **The provider is told, rather than recomputing it.** A served value may name the consumer's
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// identity — a bucket named for who is asking, a database prefixed with it — and before this
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// identity — a bucket named for who is asking, a database prefixed with it — and before this
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@@ -7,7 +7,7 @@ import (
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)
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)
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// What a provider derives for each consumer, said once and delivered to both ends
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// What a provider derives for each consumer, said once and delivered to both ends
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// (novox/hq ADR 0188, issue 124).
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// (novox/hq ADR 0201, issue 124).
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//
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//
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// The failure these are written against: the object store's provisioner derived each consumer's
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// The failure these are written against: the object store's provisioner derived each consumer's
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// bucket from the login the mesh minted, in its own code, and the mesh had no channel to tell the
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// bucket from the login the mesh minted, in its own code, and the mesh had no channel to tell the
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@@ -1428,7 +1428,7 @@ func ParseManifest(raw []byte) (Manifest, error) {
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"%s serves %q to whoever requires it, and does not provide it", m.Module, to))
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"%s serves %q to whoever requires it, and does not provide it", m.Module, to))
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}
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}
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}
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}
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// A served value may be derived for the consumer it is served to (novox/hq ADR 0188). Read
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// A served value may be derived for the consumer it is served to (novox/hq ADR 0201). Read
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// here, where the definition is, rather than when somebody first requires it: a rule that
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// here, where the definition is, rather than when somebody first requires it: a rule that
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// would be refused at the first consumer is wrong from the moment it is written.
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// would be refused at the first consumer is wrong from the moment it is written.
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problems = append(problems, CheckServes(m)...)
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problems = append(problems, CheckServes(m)...)
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