Stop scheduling to go from testing straight to production

Published On: 2020-01-20By:

All too often I see the same basic pattern happening.  Software changes are written in dev, those changes to move QA, then the changes move to production.  The problem with this schedule is that if there’s a problem found in the QA process, there’s no time in the schedule for problems to be found in QA, which requires sending the software back to Dev, the problems fixed and then we try QA again.

If we don’t build time into the schedule to address problems that QA finds then we have one of three options.

  1. Release software with known issues to production
  2. Cancel the release and send everything back to development
  3. Do the release late and send the software package back to development, then QA

None of these are particularly good options as they involve either releasing known bad software (that’s not a good option as users will be mad) or missing the release date (that’s not a good option because users and/or management will be mad).

The better option is to plan into the schedule to have to send the package back to development to have problems adjusted.  Developers are human and make mistakes, it happens.  It takes time to fix the problems that are found. This is why we have QA. It isn’t to sign off that software is perfect, its to find problems in software so that they can be fixed.

Say that we are starting a Dev string on Feb 3rd, 2020 (it’s a Monday).  The sprint goes until Feb 14th, 2020 (it’s a Friday).  Testing in QA is scheduled for a week so it starts on Feb 20, 2020, and ends on Feb 24, 2020.  Then the production release is on Feb 27th, 2020 (the last Monday).

Now, what happens if a problem is found on Feb 24th?  Do we push the release date from Feb 27th, or do we release known bad software?  Neither of those options is going to be particularly popular options.

What we should have between testing and the production release is at least a few days, maybe another week for additional dev work and re-testing after QA happens.  If that time isn’t needed great, then the package sits for a week.  If the time is needed, then we have it. In either case, the release can happen on time and we can release known good software, instead of software with known bugs.

This sort of change will require signoff from above, but it won’t really change the process that the developers go through when building the software.  What it will do is slightly reduce the number of releases that can happen each year as each cycle is now a little bit longer then it was before.  But the end result from this will be more stable software, and a better result from each software release; and this is course the prefered end result.

Denny

The post Stop scheduling to go from testing straight to production appeared first on SQL Server with Mr. Denny.

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IT Career Energizer Podcast

Published On: 2020-01-13By:

A couple of weeks ago I was on the IT Career Energizer Podcast. During the course of the episode, we’ll cover some career highlights, where I think IT is doing in the next few years and all other sorts of things IT Career-related.

You can subscribe to the podcast on Apple (the episode is here) or you can get the podcast from Stitcher as well.

There’s a ton of more information available via the show notes.

Hopefully, you’ll find the podcast useful and entertaining.

Denny

The post IT Career Energizer Podcast appeared first on SQL Server with Mr. Denny.

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Our EGPAF Click to Donate Campaign has wrapped up for 2019

Published On: 2020-01-06By:
Over the month of December (from the 1st through the 24th) we had a donation program set up with the Elizabeth Glaser Pediatric AIDS Foundation.  To help us, all you had to do, was to click through to the page that we set up for the donation program.  This simple act would cause a $1 donation to be made. If you wanted to help out more (which several people did, and we thank you) then you could click through and donate more directly to EGPAF, and we’d then match those donations up to $10,000.  While we were out donation program our marketing firm, Mayfield Consulting was doing one as well which followed along with ours. Between the two programs, we had a fantastic fundraiser, and we thank everyone for participating.  Between the two donation programs, I’m thrilled to say that we were able to raise $15,662 for the Elizabeth Glaser Pediatric AIDS Foundation. Thanks again everyone for helping us make this fundraiser a great success.  I’m sure that EGPAF will be able to use these donations in order to help save more lives.  This is a great way to finish up 2019, I hope everyone has a great New Years and we’ll see everyone as we kick off the 20s in just a couple of days’ time. If you haven’t had a chance to watch the video that we made with the team at EGPAF, the video is above. Denny The post Our EGPAF Click to Donate Campaign has wrapped up for 2019 appeared first on SQL Server with Mr. Denny. Contact the Author | Contact DCAC

Dynamically Assigning an Availability Set to a VM in an ARM Template

Published On: 2019-12-23By:

Recently I was creating an ARM template for a client.  The idea for the ARM template was that we were going to create two VMs, and it would also create an Availability Set and assign the VMs to the Availability Set.  So that’s no problem.Cloudflare being the cloud

We then got a request to also create an ARM template for one VM without the Availability Set.  I didn’t want to create (and then have to manage) a second template. I wanted one template.  So I added a parameter to the ARM template called “SingleMachineInstall” which accepted “Yes” no “No” to the parameters section like this.

“SingleMachineInstall”: {
“type”: “string”,
“allowedValues”: [ “Yes”, “No” ],
“defaultValue”: “No”,
“metadata”: {
“description”: “Check this if this should be installed as a single VM. This will prevent the ILB, Availability Set and the second VM from being created.”
}
},

For all the objects that I didn’t want to create when this parameter had a value of “Yes” I simply added a condition statement to each object like this.

“condition”: “[equals(parameters(‘SingleMachineInstall’), ‘No’)]”,

Then came the complex part of this.  When there are two VMs being created, each VM needed to be dependent on the Availability Set. But when there’s only one VM, I’m not creating the Availability Set, so if the dependency is still there, the deployment will fail.  One thing that I found in my testing, is that you can set a resource to be dependant on the same resource multiple times.  So what I did in the dependsOn section of the VM template, I combined this with an IF statement. In the IF statement, I put down that if the Parameter is set to “No” then we pass in the resourceId for the Availability Set. if the Parameter is set for “Yes” then we pass in the NIC again, which makes the dependsOn succeed either way.

“dependsOn”: [
“[concat(parameters(‘VM1_Name’), ‘_nic0’)]”,
“[if(equals(parameters(‘SingleMachineInstall’), ‘No’), resourceId(‘Microsoft.Network/loadBalancers’, parameters(‘AvailabilitySet_Name’)), concat(parameters(‘VM1_Name’), ‘_nic0’))]”
],

The final thing that we needed to figure out was the properties.availabilitySet value within the Virtual Machine configuration.  The problem with this value is that it expects to have a sub-Id called id like this.

“availabilitySet”: {
“id”: “[resourceId(‘Microsoft.Compute/availabilitySets’, parameters(‘AvailabilitySet_Name’))]”
},

Now, this couldn’t be wrapped in a simple IF statement, because then the id that is being passed in, is a blank string, which throws an error message.

There’s another syntax for this parameter which came in really handy for this.  That syntax is to pass in the ID, without specifying that it is an id like is shown here.

“availabilitySet”: “[resourceId(‘Microsoft.Compute/availabilitySets’, parameters(‘AvailabilitySet_Name’))]”,

Now, this syntax is important to us because we can use this to help us not put in an Availability Set if the parameter is set to not create the Availability Set.

We create one additional thing to make this work, first we create a variable within the ARM template.  I called this variable “availabilitySet”.  Because of the way ARM works, no error will be thrown if there’s no Availability Set created.

“availabilitySet”: {
“id”: “[resourceId(‘Microsoft.Compute/availabilitySets’, parameters(‘AvailabilitySet_Name’))]”
}

Back within the VM section of the ARM template, we need to tell the ARM template to use the variable if it needs, and if it isn’t needed we send is a NULL value.  This way if we need an Availability Set, we specify the child value, otherwise, we pass in nothing.

“availabilitySet”: “[if(equals(parameters(‘SingleMachineInstall’), ‘No’), variables(‘availabilitySet’), json(‘null’))]”,

When I was able to do this, I was using “apiVersion”: “2019-03-01” so this may not work in later version of the API, so be warned about that.

When I was searching around on Google I couldn’t find any examples that showed how to do this. They may be out there, but I couldn’t find them.

Hopefully, this technique works for you in the few places that you need this sort of technique.

Denny

The post Dynamically Assigning an Availability Set to a VM in an ARM Template appeared first on SQL Server with Mr. Denny.

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