Esempio n. 1
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func (s *checkSnapSuite) TestCheckSnapGadgetCannotBeInstalledOnClassic(c *C) {
	reset := release.MockOnClassic(true)
	defer reset()

	st := state.New(nil)
	st.Lock()
	defer st.Unlock()

	const yaml = `name: gadget
type: gadget
version: 1
`

	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	st.Unlock()
	err = snapstate.CheckSnap(st, "snap-path", nil, nil, snapstate.Flags{})
	st.Lock()
	c.Check(err, ErrorMatches, "cannot install a gadget snap on classic")
}
Esempio n. 2
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func (s *checkSnapSuite) TestCheckSnapGadgetNoPrior(c *C) {
	reset := release.MockOnClassic(false)
	defer reset()

	st := state.New(nil)
	st.Lock()
	defer st.Unlock()
	st.Set("seeded", true)

	const yaml = `name: gadget
type: gadget
version: 1
`
	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	st.Unlock()
	err = snapstate.CheckSnap(st, "snap-path", nil, nil, snapstate.Flags{})
	st.Lock()
	c.Check(err, IsNil)
}
Esempio n. 3
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func (s *checkSnapSuite) TestCheckSnapCheckCallbackOK(c *C) {
	const yaml = `name: foo
version: 1.0`

	si := &snap.SideInfo{
		SnapID: "snap-id",
	}

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		info := snaptest.MockInfo(c, yaml, si)
		return info, nil, nil
	}
	r1 := snapstate.MockOpenSnapFile(openSnapFile)
	defer r1()

	checkCbCalled := false
	checkCb := func(st *state.State, s, cur *snap.Info, flags snapstate.Flags) error {
		c.Assert(s.Name(), Equals, "foo")
		c.Assert(s.SnapID, Equals, "snap-id")
		checkCbCalled = true
		return nil
	}
	r2 := snapstate.MockCheckSnapCallbacks([]snapstate.CheckSnapCallback{checkCb})
	defer r2()

	err := snapstate.CheckSnap(s.st, "snap-path", si, nil, snapstate.Flags{})
	c.Check(err, IsNil)

	c.Check(checkCbCalled, Equals, true)
}
Esempio n. 4
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func (s *checkSnapSuite) TestCheckSnapGadgetMissingPrior(c *C) {
	err := os.MkdirAll(filepath.Dir(dirs.SnapFirstBootStamp), 0755)
	c.Assert(err, IsNil)
	err = ioutil.WriteFile(dirs.SnapFirstBootStamp, nil, 0644)
	c.Assert(err, IsNil)

	reset := release.MockOnClassic(false)
	defer reset()

	st := state.New(nil)
	st.Lock()
	defer st.Unlock()

	const yaml = `name: gadget
type: gadget
version: 1
`

	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	st.Unlock()
	err = snapstate.CheckSnap(st, "snap-path", nil, 0)
	st.Lock()
	c.Check(err, ErrorMatches, "cannot find original gadget snap")
}
Esempio n. 5
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func (s *checkSnapSuite) TestCheckSnapInstallProvidedAssumes(c *C) {
	const yaml = `name: foo
version: 1.0
assumes: [common-data-dir]`

	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	err = snapstate.CheckSnap(s.st, "snap-path", nil, nil, snapstate.Flags{})
	c.Check(err, IsNil)
}
Esempio n. 6
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func (s *checkSnapSuite) TestCheckSnapInstallMissingAssumes(c *C) {
	const yaml = `name: foo
version: 1.0
assumes: [f1, f2]`

	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	err = snapstate.CheckSnap(s.st, "snap-path", nil, nil, snapstate.Flags{})
	c.Check(err, ErrorMatches, `snap "foo" assumes unsupported features: f1, f2.*`)
}
Esempio n. 7
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func (s *checkSnapSuite) TestCheckSnapErrorOnDevModeDisallowed(c *C) {
	const yaml = `name: hello
version: 1.10
confinement: devmode
`
	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		c.Check(path, Equals, "snap-path")
		c.Check(si, IsNil)
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	err = snapstate.CheckSnap(s.st, "snap-path", nil, nil, snapstate.Flags{})

	c.Assert(err, ErrorMatches, ".* requires devmode or confinement override")
}
Esempio n. 8
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func (s *checkSnapSuite) TestCheckSnapKernelAdditionProhibitedBySnapID(c *C) {
	reset := release.MockOnClassic(false)
	defer reset()

	st := state.New(nil)
	st.Lock()
	defer st.Unlock()

	si := &snap.SideInfo{RealName: "kernel", Revision: snap.R(2), SnapID: "kernel-id"}
	snaptest.MockSnap(c, `
name: kernel
type: kernel
version: 1
`, si)
	snapstate.Set(st, "kernel", &snapstate.SnapState{
		SnapType: "kernel",
		Active:   true,
		Sequence: []*snap.SideInfo{si},
		Current:  si.Revision,
	})

	const yaml = `name: zkernel
type: kernel
version: 2
`

	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	info.SnapID = "zkernel-id"
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	st.Unlock()
	err = snapstate.CheckSnap(st, "snap-path", nil, nil, snapstate.Flags{})
	st.Lock()
	c.Check(err, ErrorMatches, "cannot replace kernel snap with a different one")
}
Esempio n. 9
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func (s *checkSnapSuite) TestCheckSnapGadgetUpdateLocal(c *C) {
	reset := release.MockOnClassic(false)
	defer reset()

	st := state.New(nil)
	st.Lock()
	defer st.Unlock()

	si := &snap.SideInfo{RealName: "gadget", Revision: snap.R(2)}
	snaptest.MockSnap(c, `
name: gadget
type: gadget
version: 1
`, si)
	snapstate.Set(st, "gadget", &snapstate.SnapState{
		SnapType: "gadget",
		Active:   true,
		Sequence: []*snap.SideInfo{si},
		Current:  si.Revision,
	})

	const yaml = `name: gadget
type: gadget
version: 2
`

	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	// no SnapID => local!
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	st.Unlock()
	err = snapstate.CheckSnap(st, "snap-path", nil, nil, snapstate.Flags{})
	st.Lock()
	c.Check(err, IsNil)
}
Esempio n. 10
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func (s *checkSnapSuite) TestCheckSnapErrorOnUnsupportedArchitecture(c *C) {
	const yaml = `name: hello
version: 1.10
architectures:
    - yadayada
    - blahblah
`
	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		c.Check(path, Equals, "snap-path")
		c.Check(si, IsNil)
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	err = snapstate.CheckSnap(s.st, "snap-path", nil, nil, snapstate.Flags{})

	errorMsg := fmt.Sprintf(`snap "hello" supported architectures (yadayada, blahblah) are incompatible with this system (%s)`, arch.UbuntuArchitecture())
	c.Assert(err.Error(), Equals, errorMsg)
}
Esempio n. 11
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func (s *checkSnapSuite) TestCheckSnapCheckCallbackFail(c *C) {
	const yaml = `name: foo
version: 1.0`

	info, err := snap.InfoFromSnapYaml([]byte(yaml))
	c.Assert(err, IsNil)

	var openSnapFile = func(path string, si *snap.SideInfo) (*snap.Info, snap.Container, error) {
		return info, nil, nil
	}
	restore := snapstate.MockOpenSnapFile(openSnapFile)
	defer restore()

	fail := errors.New("bad snap")
	checkCb := func(st *state.State, s, cur *snap.Info, flags snapstate.Flags) error {
		return fail
	}
	r2 := snapstate.MockCheckSnapCallbacks(nil)
	defer r2()
	snapstate.AddCheckSnapCallback(checkCb)

	err = snapstate.CheckSnap(s.st, "snap-path", nil, nil, snapstate.Flags{})
	c.Check(err, Equals, fail)
}