Add reminder configuration to opslevel_campaign resource

[jamescarr]

Summary

• Adds a reminder single-nested attribute to the opslevel_campaign resource for configuring recurring Slack, email, and Microsoft Teams reminders on a schedule.
• Schema validation: channel / frequency_unit / day-of-week enums, frequency >= 1, HH:MM time format, and channels non-empty. ValidateConfig enforces that days_of_week is required for a weekly cadence and rejected otherwise.
• CRUD wiring: omit on create when absent, send an explicit null to clear on update when the block is removed, and normalize the # prefix on default_slack_channel to avoid perpetual diffs.
• Exposes reminder as a computed attribute on the opslevel_campaign and opslevel_campaigns data sources.
• Docs, example, and a changie entry.

Dependency

Depends on OpsLevel/opslevel-go#623. The go.mod replace directive and the submodules/opslevel-go pointer are temporary for development (matching the prior campaign PR workflow) and will be removed in favor of a released opslevel-go version bump before merge.

Test plan

• go build ./..., go vet ./opslevel/
• gofumpt clean, golangci-lint run ./opslevel/ (0 issues)
• task test — terraform mock tests + Go unit tests (107 passed, 0 failed), including new reminder assertions on the opslevel_campaign resource
• Remote acceptance tests (tests/remote/campaign.tftest.hcl) — added create-with-reminder, update-to-daily, and clear-reminder runs; require a live OPSLEVEL_API_TOKEN and valid owner_id

Made with Cursor

[jamescarr]

Usage examples

Weekly Slack + email reminder

resource "opslevel_campaign" "upgrade_rails" {
  name      = "Upgrade to Rails 7"
  owner_id  = data.opslevel_team.platform.id
  filter_id = data.opslevel_filter.tier_1.id

  start_date  = "2026-07-01"
  target_date = "2026-09-30"

  reminder = {
    channels       = ["slack", "email"]
    frequency      = 1
    frequency_unit = "week"
    days_of_week   = ["monday", "thursday"] # required for a weekly cadence
    time_of_day    = "09:30"
    timezone       = "America/Chicago"
    message        = "Friendly reminder to complete your Rails 7 upgrade checks."

    # Fallback channel used when a team has no default Slack contact.
    default_slack_channel = "#platform-eng"
  }
}

Every-2-days reminder (no days_of_week)

reminder = {
  channels       = ["slack"]
  frequency      = 2
  frequency_unit = "day" # daily/monthly cadences must omit days_of_week
  time_of_day    = "14:00"
  timezone       = "America/Chicago"
}

Microsoft Teams reminder

reminder = {
  channels                        = ["microsoft_teams"]
  frequency                       = 1
  frequency_unit                  = "month"
  time_of_day                     = "08:00"
  timezone                        = "Europe/London"
  default_microsoft_teams_channel = "Platform Eng"
}

No reminder / clearing one

Omit the reminder block entirely. Removing it from a campaign that previously had one sends an explicit null to clear it.

Reading it back

data "opslevel_campaign" "upgrade_rails" {
  identifier = opslevel_campaign.upgrade_rails.id
}

output "next_reminder" {
  value = data.opslevel_campaign.upgrade_rails.reminder.next_occurrence
}

Notes

• days_of_week is required for frequency_unit = "week" and rejected for day / month.
• The API prepends # to default_slack_channel; the provider normalizes this so "platform-eng" and "#platform-eng" don't perpetually diff.
• next_occurrence is computed and stays null until the campaign is in_progress or delayed.

[codecov]

Codecov Report

❌ Patch coverage is 51.98020% with 97 lines in your changes missing coverage. Please review.
✅ Project coverage is 2.09%. Comparing base (decd87c) to head (5a3d171).
⚠️ Report is 98 commits behind head on main.

Files with missing lines	Patch %	Lines
opslevel/resource_opslevel_campaign.go	52.60%	88 Missing and 3 partials ⚠️
opslevel/datasource_opslevel_campaign.go	40.00%	3 Missing ⚠️
opslevel/datasource_opslevel_campaigns_all.go	40.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #652      +/-   ##
========================================
+ Coverage   0.22%   2.09%   +1.86%     
========================================
  Files         85     103      +18     
  Lines       9651   12469    +2818     
========================================
+ Hits          22     261     +239     
- Misses      9626   12186    +2560     
- Partials       3      22      +19     

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