Struct AllValidators

Source

pub struct AllValidators<'a> { /* private fields */ }

Expand description

A validator composition that requires every contained validator to pass.

Implementations§

Source §

impl<'a> AllValidators<'a>

Source

pub fn new() -> Self

Creates an empty composition.

Examples found in repository ?

examples/one_member.rs (line 44)

25fn main() -> Result<(), Box<dyn std::error::Error>> {
26    let base = temp_root("eggup-one-member");
27    let inputs = base.join("inputs");
28    let root = base.join("install");
29    fs::create_dir_all(inputs.join("bin"))?;
30    fs::create_dir_all(root.join("bin"))?;
31    fs::write(inputs.join("app"), b"new-app")?;
32    let digest = eggup_core::hash_file(&inputs.join("app"))?;
33    let member = ArtifactMember::new(MemberId::new("main")?, inputs.join("app"), "bin/app")?
34        .with_integrity(IntegrityRequirement::Sha256(digest));
35    let plan = InstallPlan::new(
36        ProductId::new("demo")?,
37        ReleaseId::new("1.0.0")?,
38        &root,
39        ArtifactSet::single(member)?,
40    )?;
41    let receipt = plan
42        .prepare()?
43        .verify_integrity()?
44        .validate(&AllValidators::new())?
45        .commit(CommitOwnership::new(
46            &ExistingAsOwnedVerifier,
47            AbsentPolicy::AllowCreate,
48        ))?;
49    assert_eq!(receipt.disposition(), TransactionDisposition::Committed);
50    assert_eq!(fs::read(root.join("bin/app"))?, b"new-app");
51    let _ = fs::remove_dir_all(&base);
52    println!("one-member commit: {:?}", receipt.disposition());
53    Ok(())
54}

More examples

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examples/ownership.rs (line 48)

24fn main() -> Result<(), Box<dyn std::error::Error>> {
25    let base = temp_root("eggup-ownership");
26    let inputs = base.join("inputs");
27    let root = base.join("install");
28    fs::create_dir_all(&inputs)?;
29    fs::create_dir_all(root.join("bin"))?;
30    fs::write(inputs.join("app"), b"new-app")?;
31    fs::write(root.join("bin/app"), b"old-app")?;
32    let new_digest = eggup_core::hash_file(&inputs.join("app"))?;
33    let old_digest = eggup_core::hash_file(&root.join("bin/app"))?;
34    let member = ArtifactMember::new(MemberId::new("main")?, inputs.join("app"), "bin/app")?
35        .with_integrity(IntegrityRequirement::Sha256(new_digest));
36    let plan = InstallPlan::new(
37        ProductId::new("demo")?,
38        ReleaseId::new("4.0.0")?,
39        &root,
40        ArtifactSet::single(member)?,
41    )?;
42    // Prove the live file is the expected old deployment; deny creation of
43    // absent destinations (replacement-only policy).
44    let verifier = ExactDigestVerifier::new(vec![(MemberId::new("main")?, old_digest)]);
45    let receipt = plan
46        .prepare()?
47        .verify_integrity()?
48        .validate(&AllValidators::new())?
49        .commit(CommitOwnership::new(&verifier, AbsentPolicy::DenyCreate))?;
50    assert_eq!(receipt.disposition(), TransactionDisposition::Committed);
51    assert_eq!(fs::read(root.join("bin/app"))?, b"new-app");
52    let _ = fs::remove_dir_all(&base);
53    println!("ownership-verified commit: {:?}", receipt.disposition());
54    Ok(())
55}

examples/multi_member.rs (line 55)

24fn main() -> Result<(), Box<dyn std::error::Error>> {
25    let base = temp_root("eggup-multi-member");
26    let inputs = base.join("inputs");
27    let root = base.join("install");
28    fs::create_dir_all(&inputs)?;
29    fs::create_dir_all(root.join("bin"))?;
30    fs::write(inputs.join("main"), b"new-main")?;
31    fs::write(inputs.join("helper"), b"new-helper")?;
32    fs::write(root.join("bin/main"), b"old-main")?;
33    fs::write(root.join("bin/helper"), b"old-helper")?;
34    let main_digest = eggup_core::hash_file(&inputs.join("main"))?;
35    let helper_digest = eggup_core::hash_file(&inputs.join("helper"))?;
36    let members = ArtifactSet::new(vec![
37        ArtifactMember::new(MemberId::new("main")?, inputs.join("main"), "bin/main")?
38            .with_integrity(IntegrityRequirement::Sha256(main_digest)),
39        ArtifactMember::new(
40            MemberId::new("helper")?,
41            inputs.join("helper"),
42            "bin/helper",
43        )?
44        .with_integrity(IntegrityRequirement::Sha256(helper_digest)),
45    ])?;
46    let plan = InstallPlan::new(
47        ProductId::new("bundle")?,
48        ReleaseId::new("2.0.0")?,
49        &root,
50        members,
51    )?;
52    let receipt = plan
53        .prepare()?
54        .verify_integrity()?
55        .validate(&AllValidators::new())?
56        .commit(CommitOwnership::new(
57            &ExistingAsOwnedVerifier,
58            AbsentPolicy::AllowCreate,
59        ))?;
60    assert_eq!(receipt.disposition(), TransactionDisposition::Committed);
61    assert_eq!(fs::read(root.join("bin/main"))?, b"new-main");
62    assert_eq!(fs::read(root.join("bin/helper"))?, b"new-helper");
63    let _ = fs::remove_dir_all(&base);
64    println!("multi-member commit: {:?}", receipt.disposition());
65    Ok(())
66}

examples/receipts.rs (line 67)

61fn main() -> Result<(), Box<dyn std::error::Error>> {
62    // 1. Committed: success.
63    let (base, plan) = build(b"new", Some(b"old"))?;
64    let receipt = plan
65        .prepare()?
66        .verify_integrity()?
67        .validate(&AllValidators::new())?
68        .commit(CommitOwnership::new(
69            &ExistingAsOwnedVerifier,
70            AbsentPolicy::AllowCreate,
71        ))?;
72    assert_eq!(receipt.disposition(), TransactionDisposition::Committed);
73    assert!(receipt.failure().is_none());
74    println!("committed: {:?}", receipt.disposition());
75    let _ = fs::remove_dir_all(&base);
76
77    // 2. RolledBack: ownership denied, live state unchanged, failure explains why.
78    let (base, plan) = build(b"new", Some(b"old"))?;
79    let root = base.join("install");
80    let receipt = plan
81        .prepare()?
82        .verify_integrity()?
83        .validate(&AllValidators::new())?
84        .commit(CommitOwnership::new(&DenyAll, AbsentPolicy::AllowCreate))?;
85    assert_eq!(receipt.disposition(), TransactionDisposition::RolledBack);
86    assert!(receipt.rollback_verified());
87    let failure = receipt.failure().expect("rolled back carries a cause");
88    println!(
89        "rolled back: phase={} category={} detail={}",
90        failure.phase().as_str(),
91        failure.category().as_str(),
92        failure.detail()
93    );
94    assert_eq!(fs::read(root.join("bin/app"))?, b"old");
95    assert_ne!(
96        receipt.disposition(),
97        TransactionDisposition::Committed,
98        "rollback is not success"
99    );
100    let _ = fs::remove_dir_all(&base);
101
102    // 3. RecoveryRequired is distinct and high severity: it means Eggup cannot
103    // prove either generation is coherent. It is produced by rollback failure
104    // or unclean finalization; operators must inspect `recovery_path` and the
105    // preserved lock. See `docs/transaction.md` for the full contract.
106    println!("recovery-required: inspect recovery_path + lock; do not retry blindly");
107    Ok(())
108}