Exemple #1
0
// breakDummyProvider changes the environment config in state in a way
// that causes the given environMethod of the dummy provider to return
// an error, which is also returned as a message to be checked.
func breakDummyProvider(c *C, st *state.State, environMethod string) string {
	oldCfg, err := st.EnvironConfig()
	c.Assert(err, IsNil)
	cfg, err := oldCfg.Apply(map[string]interface{}{"broken": environMethod})
	c.Assert(err, IsNil)
	err = st.SetEnvironConfig(cfg)
	c.Assert(err, IsNil)
	return fmt.Sprintf("dummy.%s is broken", environMethod)
}
Exemple #2
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// SetAgentVersion sets the current agent version in the state's
// environment configuration.
func SetAgentVersion(st *state.State, vers version.Number) error {
	cfg, err := st.EnvironConfig()
	if err != nil {
		return err
	}
	cfg, err = cfg.Apply(map[string]interface{}{"agent-version": vers.String()})
	if err != nil {
		return err
	}
	return st.SetEnvironConfig(cfg)
}
Exemple #3
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// setAgentVersion sets the current agent version in the state's
// environment configuration.
func setAgentVersion(st *state.State, vers version.Number) error {
	cfg, err := st.EnvironConfig()
	if err != nil {
		return err
	}
	attrs := cfg.AllAttrs()
	attrs["agent-version"] = vers.String()
	cfg, err = config.New(attrs)
	if err != nil {
		panic(fmt.Errorf("config refused agent-version: %v", err))
	}
	return st.SetEnvironConfig(cfg)
}
Exemple #4
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// NewConnFromState returns a Conn that uses an Environ
// made by reading the environment configuration.
// The resulting Conn uses the given State - closing
// it will close that State.
func NewConnFromState(st *state.State) (*Conn, error) {
	cfg, err := st.EnvironConfig()
	if err != nil {
		return nil, err
	}
	environ, err := environs.New(cfg)
	if err != nil {
		return nil, err
	}
	return &Conn{
		Environ: environ,
		State:   st,
	}, nil
}