// EnsureBootstrapTools finds tools, syncing with an external tools source as
// necessary; it then selects the newest tools to bootstrap with, and sets
// agent-version.
func EnsureBootstrapTools(ctx environs.BootstrapContext, env environs.Environ, series string, arch *string) (coretools.List, error) {
possibleTools, err := bootstrap.EnsureToolsAvailability(ctx, env, series, arch)
if err != nil {
return nil, err
}
return bootstrap.SetBootstrapTools(env, possibleTools)
}
func (s *bootstrapSuite) TestSetBootstrapTools(c *gc.C) {
availableVersions := []version.Binary{
version.MustParseBinary("1.18.0-trusty-arm64"),
version.MustParseBinary("1.18.1-trusty-arm64"),
version.MustParseBinary("1.18.1.1-trusty-arm64"),
version.MustParseBinary("1.18.1.2-trusty-arm64"),
version.MustParseBinary("1.18.1.3-trusty-arm64"),
}
availableTools := make(tools.List, len(availableVersions))
for i, v := range availableVersions {
availableTools[i] = &tools.Tools{Version: v}
}
type test struct {
currentVersion version.Number
expectedTools version.Number
expectedAgentVersion version.Number
}
tests := []test{{
currentVersion: version.MustParse("1.18.0"),
expectedTools: version.MustParse("1.18.0"),
expectedAgentVersion: version.MustParse("1.18.1.3"),
}, {
currentVersion: version.MustParse("1.18.1.4"),
expectedTools: version.MustParse("1.18.1.3"),
expectedAgentVersion: version.MustParse("1.18.1.3"),
}, {
// build number is ignored unless major/minor don't
// match the latest.
currentVersion: version.MustParse("1.18.1.2"),
expectedTools: version.MustParse("1.18.1.3"),
expectedAgentVersion: version.MustParse("1.18.1.3"),
}, {
// If the current patch level exceeds whatever's in
// the tools source (e.g. when bootstrapping from trunk)
// then the latest available tools will be chosen.
currentVersion: version.MustParse("1.18.2"),
expectedTools: version.MustParse("1.18.1.3"),
expectedAgentVersion: version.MustParse("1.18.1.3"),
}}
env := newEnviron("foo", useDefaultKeys, nil)
for i, t := range tests {
c.Logf("test %d: %+v", i, t)
cfg, err := env.Config().Remove([]string{"agent-version"})
c.Assert(err, gc.IsNil)
err = env.SetConfig(cfg)
c.Assert(err, gc.IsNil)
s.PatchValue(&version.Current.Number, t.currentVersion)
bootstrapTools, err := bootstrap.SetBootstrapTools(env, availableTools)
c.Assert(err, gc.IsNil)
c.Assert(bootstrapTools, gc.HasLen, 1)
c.Assert(bootstrapTools[0].Version.Number, gc.Equals, t.expectedTools)
agentVersion, _ := env.Config().AgentVersion()
c.Assert(agentVersion, gc.Equals, t.expectedAgentVersion)
}
}