/
compute.go
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/
compute.go
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//
// Copyright (c) 2017, Cisco Systems
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice, this
// list of conditions and the following disclaimer in the documentation and/or
// other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
package aws
import (
"fmt"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/cisco/arc/pkg/aaa"
"github.com/cisco/arc/pkg/config"
"github.com/cisco/arc/pkg/log"
)
// compute implements the resource.ProviderCompute interface.
type compute struct {
*config.Compute
ec2 *ec2.EC2
volumeCache *volumeCache
instanceCache *instanceCache
}
// newCompute constructs the aws compute.
func newCompute(cfg *config.Compute, e *ec2.EC2) (*compute, error) {
log.Debug("Initializing AWS Compute")
c := &compute{
Compute: cfg,
ec2: e,
}
var err error
c.volumeCache, err = newVolumeCache(c)
if err != nil {
return nil, err
}
c.instanceCache, err = newInstanceCache(c)
if err != nil {
return nil, err
}
return c, nil
}
func (c *compute) AuditVolumes(flags ...string) error {
return c.volumeCache.audit(flags...)
}
func (c *compute) AuditEIP(flags ...string) error {
if len(flags) == 0 || flags[0] == "" {
return fmt.Errorf("No flag set to find audit object")
}
err := aaa.NewAuditWithOptions(flags[0], true, false, false)
if err != nil {
return err
}
a := aaa.AuditBuffer[flags[0]]
if a == nil {
return fmt.Errorf("Audit Object does not exist")
}
params := &ec2.DescribeAddressesInput{}
addr, err := c.ec2.DescribeAddresses(params)
if err != nil {
return err
}
for _, v := range addr.Addresses {
if v.AssociationId == nil {
a.Audit(aaa.Deployed, "Elastic IP %q is not associated with anything", *v.PublicIp)
}
}
return nil
}
func (c *compute) AuditInstances(flags ...string) error {
return c.instanceCache.audit(flags...)
}